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GeForce GTX 590 vs Radeon HD 6950

Intro

The GeForce GTX 590 uses a 40 nm design. nVidia has clocked the core speed at 607 MHz. The GDDR5 memory works at a speed of 855 MHz on this card. It features 512 SPUs as well as 64 TAUs and 48 ROPs.

Compare all of that to the Radeon HD 6950, which has a clock speed of 800 MHz and a GDDR5 memory speed of 1250 MHz. It also uses a 256-bit bus, and makes use of a 40 nm design. It is made up of 1408 SPUs, 88 TAUs, and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 590 6680 points
Radeon HD 6950 3240 points
Difference: 3440 (106%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6950 200 Watts
GeForce GTX 590 365 Watts
Difference: 165 Watts (83%)

Memory Bandwidth

The GeForce GTX 590 should in theory be much faster than the Radeon HD 6950 in general. (explain)

GeForce GTX 590 328320 MB/sec
Radeon HD 6950 160000 MB/sec
Difference: 168320 (105%)

Texel Rate

The GeForce GTX 590 should be a little bit (about 10%) faster with regards to anisotropic filtering than the Radeon HD 6950. (explain)

GeForce GTX 590 77696 Mtexels/sec
Radeon HD 6950 70400 Mtexels/sec
Difference: 7296 (10%)

Pixel Rate

The GeForce GTX 590 should be quite a bit (about 128%) faster with regards to full screen anti-aliasing than the Radeon HD 6950, and will be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 590 58272 Mpixels/sec
Radeon HD 6950 25600 Mpixels/sec
Difference: 32672 (128%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 590

Amazon.com

Check prices at:

Radeon HD 6950

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 GTX 590 Radeon HD 6950
Manufacturer nVidia AMD
Year March 2011 December 2010
Code Name GF110 Cayman Pro
Memory 1536 MB (x2) 1024 MB
Core Speed 607 MHz (x2) 800 MHz
Memory Speed 3420 MHz (x2) 5000 MHz
Power (Max TDP) 365 watts 200 watts
Bandwidth 328320 MB/sec 160000 MB/sec
Texel Rate 77696 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 58272 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 512 (x2) 1408
Texture Mapping Units 64 (x2) 88
Render Output Units 48 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit (x2) 256-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 2640 million
Bus PCIe 2.0 x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be transported past the external memory interface within a second. It's worked out by multiplying the interface 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 better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This 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 applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 590

Amazon.com

Check prices at:

Radeon HD 6950

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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