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GeForce 8800 GT 256MB vs GeForce 9600 GSO 768MB

Intro

The GeForce 8800 GT 256MB uses a 65 nm design. nVidia has set the core speed at 600 MHz. The GDDR3 memory runs at a speed of 700 MHz on this particular card. It features 112 SPUs as well as 56 Texture Address Units and 16 ROPs.

Compare those specs to the GeForce 9600 GSO 768MB, which features a clock speed of 550 MHz and a GDDR3 memory speed of 800 MHz. It also uses a 192-bit memory bus, and makes use of a 65 nm design. It is made up of 96 SPUs, 48 Texture Address Units, and 12 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GSO 768MB 84 Watts
GeForce 8800 GT 256MB 105 Watts
Difference: 21 Watts (25%)

Memory Bandwidth

Performance-wise, the GeForce 8800 GT 256MB should in theory be a little bit better than the GeForce 9600 GSO 768MB in general. (explain)

GeForce 8800 GT 256MB 44800 MB/sec
GeForce 9600 GSO 768MB 38400 MB/sec
Difference: 6400 (17%)

Texel Rate

The GeForce 8800 GT 256MB should be much (about 27%) faster with regards to AF than the GeForce 9600 GSO 768MB. (explain)

GeForce 8800 GT 256MB 33600 Mtexels/sec
GeForce 9600 GSO 768MB 26400 Mtexels/sec
Difference: 7200 (27%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce 8800 GT 256MB is superior to the GeForce 9600 GSO 768MB, and very much so. (explain)

GeForce 8800 GT 256MB 9600 Mpixels/sec
GeForce 9600 GSO 768MB 6600 Mpixels/sec
Difference: 3000 (45%)

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 GT 256MB

Amazon.com

Check prices at:

GeForce 9600 GSO 768MB

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 GT 256MB GeForce 9600 GSO 768MB
Manufacturer nVidia nVidia
Year Dec 2007 May 2008
Code Name G92 G92
Memory 256 MB 768 MB
Core Speed 600 MHz 550 MHz
Memory Speed 1400 MHz 1600 MHz
Power (Max TDP) 105 watts 84 watts
Bandwidth 44800 MB/sec 38400 MB/sec
Texel Rate 33600 Mtexels/sec 26400 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 112 96
Texture Mapping Units 56 48
Render Output Units 16 12
Bus Type GDDR3 GDDR3
Bus Width 256-bit 192-bit
Fab Process 65 nm 65 nm
Transistors 754 million 754 million
Bus PCIe x16 2.0 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 megabytes per second) that can be moved across the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

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

Display Prices

Hide Prices

GeForce 8800 GT 256MB

Amazon.com

Check prices at:

GeForce 9600 GSO 768MB

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.

Comments

One Response to “GeForce 8800 GT 256MB vs GeForce 9600 GSO 768MB”
Bob says:

Super .. Point is ?

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