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    Reviews » Hardware » Videocards

    avatar

    Gigabyte GV-N460OC-1GI GTX 460 Review

    Posted 10/07/2010 at 1:13pm | by Loyd Case
    0
    Comments

    Does a paltry 256MB of RAM matter? Apparently, it does, if you’re talking about Nvidia’s GF104-based GTX 460 cards.

    In the October issue, we took a long look at Asus’s sweet GTX 460 768MB card. While that card impressed us for the most part, it did seem a little weak in a few areas, especially when you turned up antialiasing. This 1GB version isn’t just the same chip with another 256MB of GDDR5 memory slapped on.

    The memory bus is actually wider than the 768MB card, at 256 bits wide instead of 192 bits wide. That extra bus width is managed by a fourth memory controller on board the chip (the 768MB card has only three memory controllers.) If you’re thinking that the 1GB version of the GeForce GTX 460 should have had its own model—perhaps GTX 463—you’re not alone. A lot of people have wondered why Nvidia would use the same nomenclature for these two different beasts. The chip itself is the same. The 1GB chip is based on TSMC’s 40nm process technology, and has the same 1.95-billion transistor count as the 768MB version.

    Continue reading after the jump.

    » Read More

    PowerColor Go Green Radeon HD 5750 Review

    Posted 09/01/2010 at 11:13am | by Michael Brown

    AMD’s Radeon HD 5000-series cards are already considerably more power efficient than anything in Nvidia’s Fermi lineup, but PowerColor’s Go Green series of cards are engineered to consume even less electrical power than reference design-cards. This passively cooled Radeon HD 5750 (PowerColor part number AX5750 1GBD5-NS3DH, to be precise) draws all the power it needs from the PCI Express bus, so it doesn’t require a dedicated six-pin power cable. No fan means no noise.

    » Read More on Maximum Tech
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    Asus ENGTV460 TOP Review

    Posted 08/20/2010 at 11:27am | by Loyd Case
    0
    Comments

    It’s been interesting watching the evolution of Nvidia’s Fermi graphics. We’ve seen a range of cards, all built using variations of the original chip—a 3 billion transistor monster that runs hot and consumes power like a vampire sucking blood from a hapless victim.

    Now Nvidia is shipping a new Fermi, previously code-named GF104. Aimed at the hearts and minds of mainstream PC gamers, the GTX 460 is a new chip, ringing in at just under 2 billion transistors and substantially more power-efficient. Two versions of the chip are available, a low-end and a high-end version.

    Continue reading this review after the jump.

    » Read More
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    EVGA GeForce GTX 480 Superclocked+ Review

    Posted 08/19/2010 at 9:45am | by Loyd Case
    8
    Comments

    After a rocky development period and a delayed launch, Nvidia’s GeForce GTX 480 GPU is finally entering that middle stage: Factory overclocked, not-quite-standard products are emerging, offering better performance, improved cooling, and the potential for even higher overclocks.

    This new card doesn’t offer a fully redesigned cooler. EVGA altered the design of the back-plate, enlarging its vents to facilitate more efficient airflow. The back-plate also helps dissipate heat, though there is a small chance that you may encounter thermal issues with some case or motherboard designs.

    The Superclocked+ pushes the core clock to 726MHz versus 700MHz stock, and memory to 950MHz memory as opposed to the reference design’s 926MHz. This translates to a shader clock frequency of 1,451MHz, which is just a bit higher than the standard 1,401MHz. The higher clock speeds give you more robust performance—and a higher price tag: The Superclocked+ can be found for around $520, while EVGA’s stock design costs less than $500.

    Hit the jump to read the rest of this review.

    » Read More
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    Gigabyte GV-N470UD-13I GTX 470 Review

    Posted 08/16/2010 at 10:30am | by Loyd Case
    8
    Comments

    Sharp-eyed Maximum PC readers who care about performance will no doubt notice that Gigabyte’s GV-N470UD-13I GTX 470 runs at stock reference speeds but achieves almost identical benchmark scores to last month’s kick-ass overclocked EVGA GTX 470. Blame it on new drivers versus old.

    To be fair, the N470UD-13I isn’t exactly a stock card. While the card ships at reference clock speeds for core, shader, and memory, Gigabyte builds the board using its Ultra Durable manufacturing methods, which includes two-ounces-of-copper PCB technology, Japanese solid capacitors, high-end Samsung or Hynix GDDR5 memory, and low RDS(on) MOSFETs, which are designed to minimize switching resistance for faster capacitor charging and discharging. The PCB itself is blue, unlike many reference GTX 470 cards.

    Continue reading this review after the jump.

    » Read More
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    PNY XLR8 GTX 465 Review

    Posted 07/22/2010 at 10:40am | by Loyd Case
    2
    Comments

    In the raging battle between AMD and Nvidia over DirectX 11 supremacy, AMD has had a decided edge in price/performance ratios, if not raw performance. Now, Nvidia aims to rectify that with the GTX 465.

    Like the GTX 470 (and even the GTX 480, for that matter), the GTX 465 uses the same Fermi chip, with key functional units disabled. This may be by choice or because of yield issues, given the massive size of Nvidia’s latest progeny. Whatever the case, it allows Nvidia to bring a card to market that’s generally priced just a little less than AMD’s sweet-spot card, the Radeon HD 5850. We’ve seen prices for the PNY card at around $280, as opposed to an average price ranging from $290 to $300 for the HD 5850.

    Continue reading this review after the jump.

    » Read More
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    MSI R5870 Lightning Review

    Posted 07/14/2010 at 8:50am | by Loyd Case
    1
    Comment

    Factory overclocked graphics cards seem too good to be true. You get increased performance plus the manufacturer’s warranty. XFX’s Radeon HD 5870 XXX was the first factory-OC’d version of that GPU we reviewed (May 2010); that card pushed core clocks to 875MHz and memory to 1,300MHz (5,200MHz effective.) Now MSI is jumping into the game, and unlike XFX, builds a custom cooler onto its 1GB R5870 Lightning.

    If you have any doubts about the amount of customization MSI put into the R5870, one look at it tells you it’s not your typical reference card. The custom cooler uses two fans instead of one, and the heatsink is a massive chunk of metal that runs the length of the card and features numerous heat pipes. The PCB is also anything but stock, and extends about 3/4 of an inch taller than other Radeon HD 5870 cards. Stock Radeon HD 5870 cards run off an 8-pin and 6-pin power connector. The R5870 features support for two 8-pin connectors for “extreme overclocking.”

    Continue reading this review after the jump.

    » Read More
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    Asus Matrix 5870 Review

    Posted 07/02/2010 at 1:28pm | by Loyd Case
    4
    Comments

    It’s quite possible that no manufacturer will build a better Radeon HD 5870 card than Asus’ Matrix 5870. In many ways, the Matrix 5870 is an exercise in engineering overachievement: A videocard that’s likely to outperform other Radeon HD 5870 cards, but that's priced so high that it’s really competing against the higher-end GeForce 480 GTX.

    The Matrix ships with a core clock set at 894MHz and the memory clock at the default 1,200MHz. The card is designed from the ground up to be overclocked and over-volted, with premium components used throughout. Asus also added their Super Hybrid Engine control chip, which ensures clean power delivery, plus a new cooler design.

    » Read More
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    HIS iCooler V Turbo Radeon HD 5870 Review

    Posted 06/30/2010 at 9:56am | by Loyd Case
    5
    Comments

    When a new GPU launches, most manufacturers ship videocards that look disturbingly similar. That’s because they’re either based on the GPU manufacturer’s reference design or, in the case of the initial Nvidia 480 GTX release, are actually built by the GPU manufacturer.

    As time goes by, board makers become more comfortable with the GPU’s strengths and weaknesses and gain a better understanding of such issues as how memory clocks match to GPU clocks, which voltages work best for performance and/or product longevity, and so on. While all this is going on, the GPU maker either respins the chip or nails down the manufacturing process. And after a few months, we typically see a spate of custom card designs, often factory overclocked, as vendors seek to distinguish their product from the competition.

    » Read More
    avatar

    EVGA GTX 470 SC Review

    Posted 06/29/2010 at 1:27pm | by Loyd Case
    2
    Comments

    GPUs that cost $500 are all well and good, but the sweet spot for high-end graphics cards is in the $350–$400 range. That’s still a good chunk of change, but it can get you a card with close to 90 percent of the performance of high-end cards.

    That’s certainly true of EVGA’s GTX 470 SC. Built on a cut-down version of Nvidia’s high-end, DirectX 11 GPU, this card posted eyebrow-raising benchmarks, pretty much putting it into a class of its own.

    EVGA’s super-clocked GTX 470 GPU ships with 448 shader processors, running at 625MHz, with a shader clock of 1,280MHz. That’s a 3 percent faster core clock and 2.5 percent faster memory frequencies than the stock GTX 470. (The GTX 480 uses 480 shader processors at 700MHz). The 320-bit-wide memory interface pumps data to 1,280MB of GDDR5 running at 850MHz (3,400MHz effective.) Of course, the card supports the usual set of Nvidia features, including hardware SLI, PhysX acceleration, and 3D Vision Surround video.

    Continue reading this review after the jump.

    » Read More
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