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GeForce 9600 GSO 768MB vs Radeon HD 6870

Intro

The GeForce 9600 GSO 768MB makes use of a 65 nm design. nVidia has set the core speed at 550 MHz. The GDDR3 memory runs at a frequency of 800 MHz on this model. It features 96 SPUs as well as 48 Texture Address Units and 12 Rasterization Operator Units.

Compare all of that to the Radeon HD 6870, which makes use of a 40 nm design. AMD has clocked the core speed at 900 MHz. The GDDR5 memory works at a speed of 1050 MHz on this particular model. It features 1120 SPUs along with 56 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GSO 768MB 84 Watts
Radeon HD 6870 151 Watts
Difference: 67 Watts (80%)

Memory Bandwidth

The Radeon HD 6870, in theory, should be quite a bit faster than the GeForce 9600 GSO 768MB overall. (explain)

Radeon HD 6870 134400 MB/sec
GeForce 9600 GSO 768MB 38400 MB/sec
Difference: 96000 (250%)

Texel Rate

The Radeon HD 6870 is much (more or less 91%) better at AF than the GeForce 9600 GSO 768MB. (explain)

Radeon HD 6870 50400 Mtexels/sec
GeForce 9600 GSO 768MB 26400 Mtexels/sec
Difference: 24000 (91%)

Pixel Rate

The Radeon HD 6870 is quite a bit (more or less 336%) more effective at AA than the GeForce 9600 GSO 768MB, and will be capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon HD 6870 28800 Mpixels/sec
GeForce 9600 GSO 768MB 6600 Mpixels/sec
Difference: 22200 (336%)

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 9600 GSO 768MB

Amazon.com

Check prices at:

Radeon HD 6870

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 9600 GSO 768MB Radeon HD 6870
Manufacturer nVidia AMD
Year May 2008 October 2010
Code Name G92 Barts XT
Memory 768 MB 1024 MB
Core Speed 550 MHz 900 MHz
Memory Speed 1600 MHz 4200 MHz
Power (Max TDP) 84 watts 151 watts
Bandwidth 38400 MB/sec 134400 MB/sec
Texel Rate 26400 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 28800 Mpixels/sec
Unified Shaders 96 1120
Texture Mapping Units 48 56
Render Output Units 12 32
Bus Type GDDR3 GDDR5
Bus Width 192-bit 256-bit
Fab Process 65 nm 40 nm
Transistors 754 million 1700 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in MB per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 9600 GSO 768MB

Amazon.com

Check prices at:

Radeon HD 6870

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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