Showing posts with label Hardware Review. Show all posts
Showing posts with label Hardware Review. Show all posts

Monday, 2 April 2012

AMD A8 3870K APU Gaming Media Centre

AMD A8 3870K APU

AMD A8 3870K APUNot to be outdone by new graphics releases AMD is going back to the APU Processor drawing board with its new AMD A8 3870K.

While its flagship Bulldozer FX processors are failing to shine, AMD has a chip that at the other end of the market really ought be cleaning up. Its LIano Fusion APUs, which combine a multi-core CPU and a Radeon graphics chipset all into one die, are actually rather good low-cost gaming chips.

They may be based on older processor architecture, but quad-core examples such as this AMD A8 3870K hold their own against Intel's similarly priced dual-core Core i3 processors in CPU benchmarks.

When it comes to 3D tasks such as gaming, the on-board AMD Radeon HD 6550D is simply in a different league to Intel's laggardly HD Graphics 3000 cores. The on-board graphics in the AMD offerings are capable of gaming with decent settings at decent resolutions.

Trinity: Dodge this

And if you've ever tried working with Intel's onboard graphics to get any of your contemporary games running adequately, you will know that's not something that you could ever pin on its pixel-pumping silicon. How could they get better? We'd like chunky price drop, but that's not going to happen.

There are plans afoot for the Trinity APUs to hit the shelves sometime in the summer. These will combine the latest Bulldozer FX technology (itself a refresh codenamed Piledriver) as well as Radeon HD 7000 series graphics technology on die.

AMD Radeon HD 6550DNot to be outdone by new graphics releases AMD is going back to the APU Processor drawing board with its new AMD A8 3870K.These APUs could potentially sit happily at the  heart of a serious gaming rig, but they are not ready yet and so, what have we got to tide us over?

AMD has refreshed its LIano lineup and introduced 'Black Editions' of the chips, recognizable by their 'K' suffix. Just like Intel chips with a 'K' monitor, they come with an unlcoked multiplier, which makes them more suitable for overclocking enthusiasts.

Now, you might think that anyone who wants to overclock a chip will be looking at something a little more high-end than these very basic processors, but the entire raison d'etre for overclocking is to turn something cheap into an unexpected powerhouse. An unlocked, gaming-capable hybrid chip for just over Euro 100 sounds like the stuff hardware hackers' dreams are made of. But does it deliver on that promise?

OC ready?


A stock AMD A8 3870K APU ships with its CPU set at 3GHz and the graphics core clocked at 800MHz. Attempt to increase these weren't exactly stellar - it ramped straight up to 3.4GHz/800MHz, but any attemps to go further were frustratingly unstable.

Wit more fine-tuning and a really good CPU cooler, have seen reports of much higher clockspeeds, but are not overly convinced that it's ultimately worth it for the performance.

Perky APU


It's shame really considering that we managed to get the original 2.9GHz A8 3850 up to 3.7GHz with mimial fuss. The difference between motherboard technology seems to be vital to getting anywhere near the top speeds from AMD A8 3870K APUs.

Additionally, it's unlikely that motherboard manufacturers are going to get behind this particular platform with any high-end boards that are full of good, stable overclocking features, because potential purchasers just aren't going to spend the extra they will cost to make.

Still, since the AMD A8 3870K APU is already available for less than its non-tweakable predecessor, the A8 3850, the unlocked multiplier is more of a pleasant extra to have. And if you do your research you should be able to find a motherboard, such as the Asus F1A75-V Pro, that will make use of the unlocked multiplier.

But even if our dream of overclocking one of these  APUs to outperform an Intel Core i7 isn't going to happen the AMD A8 3870K APU is still a great little chip.

The CPU part of Liano however, was never in much doubt. Based on the same architecture as Athlon II and Phenom II with a die shrink, it's old but still capable.

Because it has four native cores it outperforms and Intel Core i3 in tasks such as media rendering, although Intel's computational engine is still superior in games - even if its graphics lags far behind.

For a workplace system, then, the AMD A8 3870K APU is an exceptional choice, and it'ss beat a similarly priced Core i3 system at everything. It gets a bit more complicated if you're after a budget system that game at 1080p - to use as a media centre, for example.

Mix 'n' match


Even overclocked, the AMD A8 3870K APU alone isn't an alternative to discrete graphics - although it does come very close if you're willing to sacrifice graphics quality, Battle Field 3, for example, is close to being playable at 1,920 x 1,080 with low image quality settings. Which are still bloody good looking. The Elder Scrolls V: Skyrim at similar settings runs like dream.

If you're thinking of adding in a mid-range graphics card, such as the Radeon HD 6870 or even something as powerful as Nvidia's GeForce GTX 560 Ti, though, Intel just wins though - although it's a draw in games that are CPU limited, such as Total War: Shogun 2 and Skyrim.

AMD's architecture does have the curious disadvantage of performing slower in CPU benchmarks when discrete graphics are attached too.

But that leaves one feature that we haven't discussed yet which brings us down in favor of AMD. That feature is Asymmetrical CrossFire, which is the ability to use both the AMD A8 3870K APU graphics and a low-power GPU, such as an AMD HD 6670, for a gaming experience that's capable of playing most games at 1080p with medium settings. That's a hell of a thing in AMD's favor.

Enough that while it's not going to be our chip of choice for a workstation or enthusiast games rig, if you want a small, low-cost PC which is capable of playing occasional games at console quality, it's a steal.

The potential to overclock is a bonus, but really not enough by itself to make us favor this chip over any other quad core LIano. Where it comes into its own is as either a flexible platform for a quad core office machine or as a capable gamer PC with Asymmetric CrossFire.
Vital Statistics
Price AMD A8 3870K $193 approx.
Manufacturer AMD
Core speed 3GHz
Cores 4
L2 cache 4MB
Graphics AMD Radeon HD 6550D
GPU speed 600MHz
GPU cores 400
Socket FMI

Sunday, 1 April 2012

Sandy Bridge E Core i7 3960X fastest consumer CPU ever released

Sandy Bridge E Core i7 3960xIntel has had its own way in the high-end desktop CPU market for a couple of years but, since the six-core i7-980X and i7-990X, it hasn't released any Extreme Edition chips to tempt tweakers. That's all changed with the arrival of the second generation Core i7 chips, it X79 chipset and LGA201 socket.

The three-chip range, also known as Sandy Bridge E, is topped of by the Core i7 3960X - a 3.3GHz monster that delivers six cores (servicing twelve threads) of processing grunt. One step down is the i7-3930K, which has six cores running 100MHz slower, and those on tighter budgets will have to settle for the i7-3820, which is slated for release in Autumn. It will be cheaper still and, despite a higher stock speed of 3.6GHz, it will "only" have four cores.

So, what makes Intel's new chips worthy of the Second Generation name? There's nothing revolutionary here - the underlying 32nm architecture is unchanged over the previous generation - but a range of improvements to key features promises to boost performance in a variety of ways.

Turbo Boost 2 has been, well, boosted. Whereas the last generation of Sandy Bridge chips saw the high-end Core i7-2600K gaining up to 400MHz across a single active core, the new Core i7 3960X can add 600MHz. If all six cores are active, you'll get an extra 300MHz of juice per core - an improvement over the additional 100MHz the i7-2600K provided.

There's more L3 cache on offer, too: the older Sandy Bridge chips have a maximum of 8MB, but that's almost doubled to 15MB on the top-end i7-3960X, with 12MB and 10MB available on the two lesser processors.

Intel Sandy Bridge E Chipset Changes

The new processors are also around twice the size of older Sandy Bridge chips, and Intel has developed a new socket - dubbed LGA 2011 - to house them. The new motherboards built around this socket have a new high-end chipset, too: x79.

One of the big changes introduced with the X79 chipset can be found either side of the socket: two banks of four DIMMs. They're indicative that the X79 chipset can handle a massive 64GB of quad-channel RAM - so that's more gigabytes and more bandwidth than we've ever seen on a consumer systems, with Intel's own calculations claiming a maximum bandwidth of 51.2GH/sec.

A couple of other chipset features are designed to entice enthusiasts. PCI Express 3 support is unofficially included, even if graphics card haven't yet arrived that will take advantage of the increased bandwidth on offer (Intel informed than PCI-E 3 isn't validated because of the lack of expansion cards to test with). There are 40 PCI Express lanes, so you can run two high-end graphics cards at full x16 speed - a boon, as older chipsets restricted two PCI Express x16 slots to half their normal speed, bottlenecking the most expensive GPUs.

It's worth bearing in mind that other areas haven't been improved with such gusto, although with support for only two SATA 6Gbps sockets included. Motherboard manufacturer's, it seems, will still have to rely on proprietary controllers if more are required. There is also still no USB 3 support, so third party controllers continue to be important for connectivity as well.

Intel Sandy Bridge E Performance

That's the theory, then, and we can confirm the i7 3960X - in test rig consisting of 8GB of quad-channel G.Skill Ripjaws-Z RAM, an AMD Radeon HD 5550, and a Samsung Spinpoint F3 hard disk - is very swift indeed. Its score of 1.12 in application benchmarks is an improvement on the 1 scored by the i7 2600K and, when the six cores flex their muscles, it's faster still, with the i7 3960X delivering a superb result of 1.23. For power, test rig idled at a reasonable 97W. Running the Prime 95 stress test on the chip saw a peak power consumption rise to 234W.

Sandy Bridge E Core i7 3960x Pricing

So how much is all of this raw horsepower going to cost? The answer is: a lot. You'll have to hand over $1,250 for the Core i7 3960Xon its own, with between $260 and $540 set aside for an LGA 2011 motherboard. That's an incredibly expensive upgrade. The i7-3930K is a marginally more tempting buy at $659, but even then you'll still need to fork out for a new motherboard.

Given how fast the original K-edition i7 CPUs are, can't see anyone but the most enthusiastic of tweakers and high end workstation builders stumping up the cash, at least while prices remain this high. But there's no denying the world-beating power on offer, and that Intel has extended its lead at the top of the heap yet again AMD must be sweating.

Key Specs 
Price Core i7 3960X - $1,249 approx
Cores/threads 6/12
Clockspeed 3.30GHz  Memory Quad Channel
PCI-E 3 Support
Cache 15MB L3
130W TDP
Multiplier Unlocked
Socket 2011

Core
i7 3960X
Core
i7-3930K
Core
i7-3820
Frequency 3.3 3.2 3.6
Cores 6 5 4
Threads 12 12 8
Smart Cache 15MB 12MB 10MB
Memory Frequency 1.600MHz 1,600MHz 1,600MHz
Turbo Mode 2.0 2.0 2.0
Unlocked? Yes Yes Yes
Socket LGA 2011 LGA 2011 LGA 2011

Thursday, 29 March 2012

AMD Phenom II X6 1090T Black Edition High Performance Processor

AMD's shiny new Bolldozer FX processors have been released into the wild for some time now, so you might be wondering what this crusty old Phenom II processor is doing sullying this showcase of white-hot, high performance computing platforms.

Well, it all depends on pricing and product availability. We're not sure if AMD is still cranking out the Thuban processor dies that form the basis of the Phenom II X6 1090T Black Edition, though we believe that to be the case, if only or manufacturing server processors.

The Anti-Doze

Although it will take a while for the 1090T to be completely flushed from all those retail channels, supply is now somewhat sporadic. There's still a decent choice of retailers, but prices vary wildly. The best price we could find was around $176, while others are charging over $319.

At the lower price point, the 1090T looks very attractive. On a per-core basis, it easily has the measure of the new AMD FX chips. It's not even that far behind the top FX 8150 eight-core model in several of multi-threaded tests, like the Cinebench professional rendering benchmark. It would have been faster than the FX in nearly scenario.

Intriguingly, however, database query benchmark does demonstrate that the theoretical benefits of AMD's exotic new Bulldozer architecture can sometimes translate into real-world gains. The 1090T gets left trailing-and horribly.

Vital Statistics
Price $319 approx
Clockspeed 3.2GHz (3.6GHz Turbo)
Cores and threads 6 and 6
Cache 9MB
Process technology 45nm
TDP 125W
Socket AM3+

Wednesday, 28 March 2012

ViewSonic VP2365-LED affordable IPS panels becoming more common but this is special

ViewSonic VP2365-LED affordable IPS panels becoming more common but this is specialThis IPS screen from ViewSonic shows what's possible when a technology is pushed hard enough. With a 24-inch screen diagonal and 1,920 x 1,080p box as cheap TN panels, but look closer and you'll spot the differences.

The viewing angles are quoted at 178 degrees for both horizontal and vertical. That may not sound like a dramatic increase over the 170 and 160 degrees typically claimed for TN screens, but it makes a huge difference. The 1,000:1 static contrast ratio also hints at a quality panel.

Slightly less impressive is the 6ms claimed for grey-to-grey pixel response. It's the one metric by which IPS panels can't compete with TN technology. The VP2365-LED's 250c/m2 brightness isn't exactly stellar either, especially considering that it packs an LED backlight rather than old school CCFL tech.

The screen's stand and chassis are bland to the point of anonymity, but it's sturdy and stable. They also offer full adjustability, including rotate, swivel, tilt and VESA wall-mount compatibility.

No frills

What you don't get is much peripheral technology. Unlike many cheaper screens, teh ViewSonic VP2365-LED's on-screen menu isn't stuffed with fancy image-processing options, but offers full color, gamma and temperature configurability. There's a dynamic contrast function too, but switchable pixel response modes and fancy adaptive color processing are absent.

Frankly, that's no great loss. Nor is the superficially limited connectivity (DVI and VGA is your lot) much of a downside. Instead, ViewSonic has cooked up a no-nonsense package that majors on the things that matter - panel, backlight and chassis quality. If ViewSonic can excel there, it will have a winner on its hands.

The VP2365-LED puts in a strong showing in the lagom suite of test images. Both black and white scales offer oodles of detail. The color scales aren't shabby either, and the viewing angles do the usual IPS thing, which means the're wide enough to be a non-issue. That often annoying effect of IPS screens, IPS glow, isn't evident either.

It's not entirely flawless though - the 250cd/m2 backlight rating translates into less than retica searing brightness. This isn't an issue for a slightly less flexible monitor.

The only other hitches involve the pixel response and refresh rate. Both, frankly, are relative. In absolute terms, the VP2365-LED is more than quick enough for games, movies, you name it. But it's not as lightning quick as an overdriven TN panel.

Overall, this is an incredibly impressive panel. It's not quite the holy grail of PC paneldom - a screen that marries the best attributes off all available monitors, ditches the bad bits and does it all at price you can afford. That the ViewSonic VP2365-LED doesn't quite pull that off is no surprise. But it comes awfully, awfully close - much closer than any other screen that's in the same price bracket.

Vital Statistics
Price $326 approx
Manufacturer ViewSonic
Size 23-inch
Panel type e-IPS
Native resolution 1,920 x 1,080
Pixel response 6ms (GTG)
Viewing angle 178/178 H/V
Inputs VGA, DVI
VESA mounting 100 x 100mm

Tuesday, 27 March 2012

One Giant Step Ahead of the Nintendo 3DS

Sony made its replacement to the PlayStation Portable worth the long wait. The PlayStation Vita takes the PSP's signature design and adds more processing power, optional 3G, dual analog sticks, and an amazingly bright, colorful OLED screen. The result: a handheld gaming device that eclipses the PlayStation 2 in power, and comes very close to the capabilities of the PlayStation 3. Sony made some strange decisions with the Vita's media playback abilities and Web browser, but for gaming it's incredible, making it Choice for handheld game systems, and a significant step ahead of the Nintendo 3DS ($169.99)

Design

Out of the box, the PC Vita looks like the PlayStation Portable at first glance, but the overall build quality of the PS Vita is much better, right down to the small details. Without a pop-out door for UMDs or a sliding design, the PS Vita feels much more solid than the PSP, and despite their small size the analog sticks have just enough give for responsive control without feeling loose. Besides the proprietary USB port and headphone jack on the bottom, every port and slot on the PS Vita is covered by a door. The top edge holds the game-card slot and an accessory port, the bottom edge holds the memory-card slot, and the left edge holds the SIM card slot. The handheld weight a solid 9.8 ounces, and at 3.3 by 7.2 by 0.7 inches (HWD) it's almost the same as the PSP in shape.

The layout is pure PlayStation, with a direction pad, four face buttons, Start and Select buttons, a PlayStation button, two shoulder buttons, and two analog sticks.

Hardware

The 5-inch OLED touch screen is gorgeous. It's bright, colorful, and extremely sharp. Its 960-by-544-pixel resolution makes it almost exactly equivalent to many current-generation large-screen Android phones, and not quite as high-resolution as the iPhone 4S or several 720p Android phones on the market. But at five inches, the PS Vita's display is more than sharp enough to lend a satisfying impression of high-definition video to a move or game. The screen is also multitouch, so you can pinch to zoom in the Web browser, the map software, and in games.

The front and back-facing cameras seem identical, and are only slightly sharper than the cameras on the 3DS. As a nice touch, the PS Vita supports Bluetooth devices just like the PS3, including stereo headsets.

Interface

Sony moved away from the XrossMediaBar (XMB) menu design of the PlayStation 3, PlayStation Portable, and Bravia HDTVs and Blu-ray players and gave the PS Vita a complete touch-screen interface overhaul. The new system looks less like a gaming device's menu and more like smartphone's menu system, with everything controlled through the touch screen.

The Gameplay

With dual analog sticks and two touch areas, the PS Vita offers some of the best-feeling portable gaming seen yet. While the analog sticks and face buttons are roughly half the size of the controls found on a PlayStation 3 gamepad. The analog sticks have just enough range and tension to feel comfortable for shooters like Uncharted: Golden Abyss, and the face buttons sick out far enough to be easily accessible for combos in games like Ultimate Marvel Vs. Capcom 3.

Thanks to the quad-core ARM Cortex A9 CPU, tha PS Vita's processing power is roughly comparable to the PlayStaion 3, but scaled to handheld size. Lighting effects, crisp rendering, and smooth animation are all impressive to see on a 5-inch OLED screen you hold in your hand.

Media Playback

As great as the Vita is as a video game system, it's horribly clunky as a media player. The Vita includes music and video players, and the OLED screen is fantastic for watching movies, but Sony cracked down so hard on managing media that the features might as well not be there. To get media on your Vita, you can't drag and drop files from your computer to the device, or to the memory card. Not only is the memory card proprietary, but the USB connection requires loading Sony's Content Manager Assistant on your computer before you can only choose which folders o make visible to the Vita. From there, you need to use the Vita to transfer files, using the touch screen.

Network

The 3G/Wi-Fi Vita can use AT&T's data network or local Wi-Fi networks to connect to the Internet. AT&T's data plans for the Vita are $15 for 250MB of data monthly or $30 for 3GB of data monthly. Either way, if you plan on downloading games on your Vita, make sure it's connected to a Wi-Fi network. Less bandwidth intensive activities like Web browsing and multiplayer gaming make the 3G a useful feature. Network speeds were solid in PC Labs.

As a handheld-gaming device (emphasis on the word "gaming"), the Sony PlayStation Vita excels. It's powerful, has a beautiful screen, and offers two analog sticks so you can actually play shooters on the go without compromising. The relatively short battery life is the only thing that holds it back as a gaming system, but several irritating things crop up when using the Vita for other tasks. Its Web browser doesn't support Flash yet, its memory card is proprietary, and its content manager is a clunky joke.

Monday, 26 March 2012

Intel Xeon 2687W High Performance Processor

Say hello to the real Sandy Bridge E, for it is this Xeon processor that truly reveals what Intel's ultimate 32nm technology is capable of. Up to a point, anyway.

Yes, the Core i7 3960X is an impostor - a cut-down shyster of a chip. Back when Intel launched the six-core 3960X, the decision to switch off two cores in the shiny new eight-core Sandy Bridge E die was all part of a balancing act. Intel had weighed up the conflict between clockspeed and cores, and decided that the best overall compromise was six cores at 3.3GHz with a little Turbo action on top.

Running eight cores would have meant a significant drop in clock speed and therefore compromising per-core performance. Even if opening out all eight cores would mean a big drop in the clocks with all cores heavily loaded, surely the whole point of Intel's Turbo technology is that the chip could still clock up when only a handful of cores were doing the heavy lifting?

Well, now the fastest eight-core Xeon iteration of precisely the same Sandy Bridge E processor die has arrived and the truth is out. The Xeon 2687W is rated at 3.1GHz, just 200MHz slower than the six-core Core i7 3960X. Thus, the 3960X runs just six percent faster while the Xeon 2687W has 33 percent more cores.

Core, Blimey

In fact, testing suggests the 2687W will run at 3.4GHz in pretty much any scenario save idling. At standard clockspeeds, it absolutely tears the 3960X a new one and fully delivers on the promise of an eight-core Sandy Bridge-based processor.

For the record, the 2687W doesn't just bring those extra cores to the table, it also ups the cache memory ante to fully 20MB. We can just about remember when 20MB was a healthy amount for system memory, much less on-chip CPU cache memory. Oh, and if you were wondering, the 2687W dropped straight into X79 test motherboard, in this case the Gigabyte X79-UD3, without so much as a BIOS update. Nice.

That's the good news, but the bad news comes in three flavors. First, the 2687W proves what we already suspected: Intel is sandbagging with Sandy Bridge E in Core i7 trim. The only reason there isn't an eight-core version is because Intel isn't under any pressure from AMD to deliver one.

Second, there's the minor matter of price. If you thought the 3960X was bad at around $1,270, it's hard to argue that the 2687W offers value at roughly double the price. Finally, there's the question of overclocking potential. Put simply, the 2687W doesn't overclock. The multipliers are locked and it falls over if you mess around with the base clock.

That's a problem, because the 3960X running at 4.5GHz matches the 2687W's performance in most (but not all) of the benchmarks. Of course, oveclocking isn't for everyone, but if it happens to be your bag, it turns out there's little point in paying more for those extras cores.

There's really very little point spending $2,382 for the 2687W's extra cores.

Vital Statistics
Price $2,382 approx
Clockspeed 3.1GHz (3.3GHz Turbo)
Cores and threads 8 and 16
Cache 20MB
Process technology 32nm
TDP 150W
Socket LGA 2011