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GeForce 8800 GTS (G80) 640MB vs GeForce 9600 GT 1GB

Intro

The GeForce 8800 GTS (G80) 640MB features a core clock speed of 513 MHz and a GDDR3 memory speed of 792 MHz. It also features a 320-bit bus, and makes use of a 90 nm design. It is comprised of 96 SPUs, 48 Texture Address Units, and 20 ROPs.

Compare those specs to the GeForce 9600 GT 1GB, which has GPU core speed of 650 MHz, and 1024 MB of GDDR3 memory set to run at 900 MHz through a 256-bit bus. It also is comprised of 64 SPUs, 32 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GT 1GB 95 Watts
GeForce 8800 GTS (G80) 640MB 143 Watts
Difference: 48 Watts (51%)

Memory Bandwidth

Performance-wise, the GeForce 8800 GTS (G80) 640MB should in theory be a bit superior to the GeForce 9600 GT 1GB overall. (explain)

GeForce 8800 GTS (G80) 640MB 63360 MB/sec
GeForce 9600 GT 1GB 57600 MB/sec
Difference: 5760 (10%)

Texel Rate

The GeForce 8800 GTS (G80) 640MB should be a little bit (about 18%) faster with regards to anisotropic filtering than the GeForce 9600 GT 1GB. (explain)

GeForce 8800 GTS (G80) 640MB 24624 Mtexels/sec
GeForce 9600 GT 1GB 20800 Mtexels/sec
Difference: 3824 (18%)

Pixel Rate

The GeForce 9600 GT 1GB is a small bit (more or less 1%) more effective at full screen anti-aliasing than the GeForce 8800 GTS (G80) 640MB, and will be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce 9600 GT 1GB 10400 Mpixels/sec
GeForce 8800 GTS (G80) 640MB 10260 Mpixels/sec
Difference: 140 (1%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce 8800 GTS (G80) 640MB

Amazon.com

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GeForce 9600 GT 1GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce 8800 GTS (G80) 640MB GeForce 9600 GT 1GB
Manufacturer nVidia nVidia
Year Nov 2006 (640) Feb 2008
Code Name G80 G94a/b
Memory 640 MB 1024 MB
Core Speed 513 MHz 650 MHz
Memory Speed 1584 MHz 1800 MHz
Power (Max TDP) 143 watts 95 watts
Bandwidth 63360 MB/sec 57600 MB/sec
Texel Rate 24624 Mtexels/sec 20800 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 10400 Mpixels/sec
Unified Shaders 96 64
Texture Mapping Units 48 32
Render Output Units 20 16
Bus Type GDDR3 GDDR3
Bus Width 320-bit 256-bit
Fab Process 90 nm 65/55 nm
Transistors 681 million 505 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved across the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G80) 640MB

Amazon.com

Check prices at:

GeForce 9600 GT 1GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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