Entered CNET Catalog: 03/04/2006
SKU: CNETNvidiaGeForce7600GT256MB
Manufacturer: Nvidia
Product summary
The good: Brings playable 3D gaming to the masses; easy and cost effective to double up to an SLI configuration.
The bad: ATI's Radeon cards offer more robust support for modern 3D features.
The bottom line: The GeForce 7600 GT is a powerful, affordable 3D card. If you're looking for a stopgap graphics card to hold you over until Vista and Direct X 10, you won't be disappointed.
Editors' review
- Editors' Choice: No
- Reviewed on: 05/05/2006
Unlike higher-end 3D cards, the GeForce 7600 GT doesn't require a separate connector from your power supply; it draws power directly from the PCI Express slot. This means that you should be able to run two 7600 GTs in SLI mode without upgrading your power supply, provided it's in the 450-watt range. Be sure to consult your motherboard manual before adding a second card; some motherboards, such as the Asus A8N32-SLI Deluxe we tested on, require that you plug an additional 5-volt power connector into the motherboard from your power supply when you run SLI cards that don't have a direct connection to the power supply.
The fan and heat sink assembly on the 7600 GT is smaller than that found on earlier 7000-series cards. The heat sink covers only the GPU, not the memory chips, which, due to heat concerns, may hurt your ability to overclock the card. The card's small fan is capable of generating a fair amount of noise when the GPU is hard at work rendering 3D images, but the fan spins more slowly--and quietly--when the GPU is idle. This quiet operation also makes the 7600 GT a decent choice for use in a Media Center PC, since by the time the fan kicks in, you're likely playing music, movies, or games that will drown out the noise anyway.
On the technical front, the 7600 GT uses the same chip architecture as the GeForce 7800 series, but scaled down to a smaller 90-nanometer manufacturing process, which reduces costs, power demands, and heat generation. Besides differences in clock speeds, the primary distinction between the 7600 GT and its more expensive siblings is its use of 5 vertex shading units and 12 pixel shader pipelines, compared with 8 vertex shaders and 24 pipelines for the 7900 GTX. Also, the 7600 GT has a 128-bit memory interface, compared to a 256-bit memory interface on the more expensive cards.
It all adds up to solid mainstream performance, especially for a sub-$200 3D card. The GeForce 7600 GT bested ATI's pricier competition, the Radeon X1800 GTO, on every Half-Life 2: Lost Coast and Doom 3 test resolution. That's impressive considering that ATI's card costs $50 more. On F.E.A.R., the most demanding game in our benchmark suite, the Radeon X1800 GTO came out ahead, at least in single-card mode. When you drop in a second GeForce 7600 GT, though, Nvidia's cards shine. They outpace ATI's Radeon X1800 GTO in CrossFire mode at every resolution on nearly every game test (the two lower-resolution Half-Life 2: Lost Coast tests excepted). That makes two GeForce 7600 GTs a formidable pairing for sheer frame rates, and at less than $400 for two of them, it's also very cost effective.
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Although Nvidia's GeForce cards include support for advanced graphics features such as antialiasing and high-dynamic-range (HDR) lighting, ATI's Radeon X1000 series has an advantage in that it can perform these modern features simultaneously. In The Elder Scrolls IV: Oblivion, for example, you can enable both antialiasing and HDR lighting at the same time for better-looking gameplay than with Nvidia cards that can enable only one feature or the other. But with lower-end cards, this is less of an issue, since you're more likely struggling just to get the game to play smoothly, let alone with all of the high-end effects turned on. Still, if you're hoping for the best in speed and image quality, the GeForce 7600 GT is not the card for you.
If you're interested in a 3D card to aid your digital video needs, the 7600 GT supports the full suite of Nvidia's PureVideo features, such as hardware-assisted decoding of MPEG2, WMV9, and H.264 video; and inverse telecine, to improve the quality of DVD movies originally filmed at 24 frames per second. Both DVD and HD video on a PC running Windows Media Center Edition at 720P on a Samsung DLP HDTV looked great and played back smoothly. Note that current 7600 GT models don't support the HDCP digital rights management technology that will be needed to play back some HD-DVD and Blu-ray movies at full resolution. You'll need to wait for separate models from Nvidia's board partners that have the enabling extra chip added to the card.
ATI test bed:
Asus A8R32-SLI Deluxe motherboard; ATI Xpress 3200 chipset; Crucial 1,024MB DDR SDRAM 400MHz; Western Digital 74GB 10,000rpm Serial ATA; Windows XP Professional SP2; PC Power & Cooling TurboCool 1KW power supply; Catalyst 6.223 beta driver
Nvidia test bed:
Asus A8N32-SLI Deluxe motherboard; Nvidia Nforce4 SLI chipset; Crucial 1,024MB DDR SDRAM 400MHz; 256MB Nvidia GeForce 7800 GTX (PCIe); Western Digital 74GB 10,000rpm Serial ATA; Windows XP Professional SP2; PC Power and Cooling TurboCool 1KW PSU; Nvidia Forceware 84.21 WHQL driver
User opinions
Select a User Opinion to view: 1 2 3 4 5 6 7out of 7 user reviews
Outstanding
Pros: SLI, works with most games
Cons: Only that it will need to be upgraded eventually, as all cards will
I just bought a second card to run in SLI, and I expect it to be even better than before.
out of 7 user reviews
Great addon
Pros: Value/Performance
Cons: no real directx10
out of 7 user reviews
GT xxx Version
Pros: PRICE U cant Beat
Cons: U will be upgrading in the future
out of 7 user reviews
Disappointed
Pros: Runs old games well
Cons: New games suck on the 7600 GT. I've heard that games look better with ATI cards.
out of 7 user reviews
Excelent Mid-Range Card Period
Pros: Runs todays games perfectly
Cons: heats-up a bit when overclocked
out of 7 user reviews
Strong step up from 6600GT
Pros: Excellent performance for the money
Cons: Fan can be loud during game play
out of 7 user reviews
Great card for the money
Pros: Real upgrade from 6600GT
Cons: None so far
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