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

Intro

The GeForce 8800 GTS (G80) 640MB comes with a core clock frequency of 513 MHz and a GDDR3 memory speed of 792 MHz. It also uses a 320-bit bus, and makes use of a 90 nm design. It is made up of 96 SPUs, 48 TAUs, and 20 ROPs.

Compare those specs to the GeForce 9600 GT 1GB, which features core clock speeds of 650 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 RAM. It features 64 SPUs as well as 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

The GeForce 8800 GTS (G80) 640MB should theoretically perform a small bit faster than the GeForce 9600 GT 1GB in general. (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 will be a small bit (more or less 18%) better at AF 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 will be just a bit (approximately 1%) better at AA than the GeForce 8800 GTS (G80) 640MB, and also able to handle higher resolutions more effectively. (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 largest amount of information (counted in MB per second) that can be moved across the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach 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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