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GeForce GTX 560 Ti vs Radeon HD 6990

Intro

The GeForce GTX 560 Ti makes use of a 40 nm design. nVidia has clocked the core speed at 822 MHz. The GDDR5 memory runs at a frequency of 1002 MHz on this specific card. It features 384 SPUs along with 64 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the Radeon HD 6990, which uses a 40 nm design. AMD has set the core speed at 830 MHz. The GDDR5 RAM is set to run at a speed of 1250 MHz on this particular card. It features 1536 SPUs along with 96 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

Radeon HD 6990 5820 points
GeForce GTX 560 Ti 3466 points
Difference: 2354 (68%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 Ti 170 Watts
Radeon HD 6990 375 Watts
Difference: 205 Watts (121%)

Memory Bandwidth

In theory, the Radeon HD 6990 is 150% faster than the GeForce GTX 560 Ti in general, due to its higher data rate. (explain)

Radeon HD 6990 320000 MB/sec
GeForce GTX 560 Ti 128256 MB/sec
Difference: 191744 (150%)

Texel Rate

The Radeon HD 6990 is much (about 203%) more effective at AF than the GeForce GTX 560 Ti. (explain)

Radeon HD 6990 159360 Mtexels/sec
GeForce GTX 560 Ti 52608 Mtexels/sec
Difference: 106752 (203%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon HD 6990 is superior to the GeForce GTX 560 Ti, by far. (explain)

Radeon HD 6990 53120 Mpixels/sec
GeForce GTX 560 Ti 26304 Mpixels/sec
Difference: 26816 (102%)

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 560 Ti

Amazon.com

Check prices at:

Radeon HD 6990

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 560 Ti Radeon HD 6990
Manufacturer nVidia AMD
Year January 2011 March 2011
Code Name GF114 Antilles
Memory 1024 MB 2048 MB (x2)
Core Speed 822 MHz 830 MHz (x2)
Memory Speed 4008 MHz 5000 MHz (x2)
Power (Max TDP) 170 watts 375 watts
Bandwidth 128256 MB/sec 320000 MB/sec
Texel Rate 52608 Mtexels/sec 159360 Mtexels/sec
Pixel Rate 26304 Mpixels/sec 53120 Mpixels/sec
Unified Shaders 384 1536 (x2)
Texture Mapping Units 64 96 (x2)
Render Output Units 32 32 (x2)
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit (x2)
Fab Process 40 nm 40 nm
Transistors 1950 million 2640 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

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

Display Prices

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GeForce GTX 560 Ti

Amazon.com

Check prices at:

Radeon HD 6990

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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