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GeForce 9600 GT 1GB vs Radeon HD 6950

Intro

The GeForce 9600 GT 1GB uses a 65/55 nm design. nVidia has clocked the core frequency at 650 MHz. The GDDR3 memory works at a speed of 900 MHz on this particular card. It features 64 SPUs as well as 32 Texture Address Units and 16 ROPs.

Compare that to the Radeon HD 6950, which comes with core speeds of 800 MHz on the GPU, and 1250 MHz on the 1024 MB of GDDR5 RAM. It features 1408 SPUs along with 88 TAUs and 32 Rasterization Operator Units.

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

Theoretically speaking, the Radeon HD 6950 will be 178% faster than the GeForce 9600 GT 1GB overall, due to its higher bandwidth. (explain)

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

Texel Rate

The Radeon HD 6950 is quite a bit (about 238%) better 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

The Radeon HD 6950 is a lot (more or less 146%) faster with regards to FSAA than the GeForce 9600 GT 1GB, and also should be capable of handling higher screen resolutions without losing too much performance. (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

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GeForce 9600 GT 1GB

Amazon.com

Radeon HD 6950

Amazon.com

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 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 largest amount of information (counted in megabytes per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. 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 number of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core 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 is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

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