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Geforce GTX 690 vs Radeon HD 6970

Intro

The Geforce GTX 690 has core speeds of 915 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs along with 128 Texture Address Units and 32 ROPs.

Compare those specifications to the Radeon HD 6970, which makes use of a 40 nm design. AMD has set the core speed at 880 MHz. The GDDR5 RAM runs at a frequency of 1375 MHz on this particular model. It features 1536 SPUs as well as 96 Texture Address Units and 32 Rasterization Operator Units.

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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 690 13111 points
Radeon HD 6970 3470 points
Difference: 9641 (278%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6970 250 Watts
Geforce GTX 690 300 Watts
Difference: 50 Watts (20%)

Memory Bandwidth

In theory, the Geforce GTX 690 will be 118% quicker than the Radeon HD 6970 overall, because of its greater data rate. (explain)

Geforce GTX 690 384512 MB/sec
Radeon HD 6970 176000 MB/sec
Difference: 208512 (118%)

Texel Rate

The Geforce GTX 690 should be much (more or less 177%) better at anisotropic filtering than the Radeon HD 6970. (explain)

Geforce GTX 690 234240 Mtexels/sec
Radeon HD 6970 84480 Mtexels/sec
Difference: 149760 (177%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Geforce GTX 690 is a better choice, by far. (explain)

Geforce GTX 690 58560 Mpixels/sec
Radeon HD 6970 28160 Mpixels/sec
Difference: 30400 (108%)

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 690

Amazon.com

Check prices at:

Radeon HD 6970

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 690 Radeon HD 6970
Manufacturer nVidia AMD
Year April 2012 December 2010
Code Name GK104 Cayman XT
Memory 2048 MB (x2) 2048 MB
Core Speed 915 MHz (x2) 880 MHz
Memory Speed 6008 MHz (x2) 5500 MHz
Power (Max TDP) 300 watts 250 watts
Bandwidth 384512 MB/sec 176000 MB/sec
Texel Rate 234240 Mtexels/sec 84480 Mtexels/sec
Pixel Rate 58560 Mpixels/sec 28160 Mpixels/sec
Unified Shaders 1536 (x2) 1536
Texture Mapping Units 128 (x2) 96
Render Output Units 32 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit (x2) 256-bit
Fab Process 28 nm 40 nm
Transistors 3540 million 2640 million
Bus PCIe 3.0 x16 PCIe x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.2 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 are applied in one second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs 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 rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Geforce GTX 690

Amazon.com

Check prices at:

Radeon HD 6970

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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