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GeForce 9600 GT 1GB vs Radeon HD 6950

Intro

The GeForce 9600 GT 1GB has a core clock speed of 650 MHz and a GDDR3 memory speed of 900 MHz. It also uses a 256-bit bus, and makes use of a 65/55 nm design. It features 64 SPUs, 32 Texture Address Units, and 16 Raster Operation Units.

Compare those specs to the Radeon HD 6950, which has a GPU core clock speed of 800 MHz, and 1024 MB of GDDR5 memory running at 1250 MHz through a 256-bit bus. It also is made up of 1408 SPUs, 88 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GT 1GB 95 Watts
Radeon HD 6950 200 Watts
Difference: 105 Watts (111%)

Memory Bandwidth

The Radeon HD 6950 should theoretically be quite a bit faster than the GeForce 9600 GT 1GB in general. (explain)

Radeon HD 6950 160000 MB/sec
GeForce 9600 GT 1GB 57600 MB/sec
Difference: 102400 (178%)

Texel Rate

The Radeon HD 6950 will be quite a bit (about 238%) more effective at AF than the GeForce 9600 GT 1GB. (explain)

Radeon HD 6950 70400 Mtexels/sec
GeForce 9600 GT 1GB 20800 Mtexels/sec
Difference: 49600 (238%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 6950 is superior to the GeForce 9600 GT 1GB, and very much so. (explain)

Radeon HD 6950 25600 Mpixels/sec
GeForce 9600 GT 1GB 10400 Mpixels/sec
Difference: 15200 (146%)

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

GeForce 9600 GT 1GB

Radeon HD 6950

Specifications

Display Specifications

Hide Specifications

Model GeForce 9600 GT 1GB Radeon HD 6950
Manufacturer nVidia AMD
Year Feb 2008 December 2010
Code Name G94a/b Cayman Pro
Memory 1024 MB 1024 MB
Core Speed 650 MHz 800 MHz
Memory Speed 1800 MHz 5000 MHz
Power (Max TDP) 95 watts 200 watts
Bandwidth 57600 MB/sec 160000 MB/sec
Texel Rate 20800 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 64 1408
Texture Mapping Units 32 88
Render Output Units 16 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit 256-bit
Fab Process 65/55 nm 40 nm
Transistors 505 million 2640 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 max amount of data (in units of MB per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at 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 that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

GeForce 9600 GT 1GB

Radeon HD 6950

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