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Geforce GTX 760 vs Radeon HD 6990

Intro

The Geforce GTX 760 has core speeds of 980 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 RAM. It features 1152 SPUs as well as 96 Texture Address Units and 32 ROPs.

Compare those specs to the Radeon HD 6990, which makes use of a 40 nm design. AMD has set the core speed at 830 MHz. The GDDR5 memory works at a frequency of 1250 MHz on this model. It features 1536 SPUs as well as 96 TAUs 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 760 5923 points
Radeon HD 6990 5820 points
Difference: 103 (2%)

Ethereum Mining Hash Rate

Radeon HD 6990 24 Mh/s
Geforce GTX 760 13 Mh/s
Difference: 11 (85%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 760 170 Watts
Radeon HD 6990 375 Watts
Difference: 205 Watts (121%)

Memory Bandwidth

In theory, the Radeon HD 6990 is 66% faster than the Geforce GTX 760 overall, because of its higher data rate. (explain)

Radeon HD 6990 320000 MB/sec
Geforce GTX 760 192256 MB/sec
Difference: 127744 (66%)

Texel Rate

The Radeon HD 6990 will be a lot (about 69%) better at AF than the Geforce GTX 760. (explain)

Radeon HD 6990 159360 Mtexels/sec
Geforce GTX 760 94080 Mtexels/sec
Difference: 65280 (69%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 6990 is the winner, by far. (explain)

Radeon HD 6990 53120 Mpixels/sec
Geforce GTX 760 31360 Mpixels/sec
Difference: 21760 (69%)

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 760

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 760 Radeon HD 6990
Manufacturer nVidia AMD
Year June 2013 March 2011
Code Name GK104 Antilles
Memory 2048 MB 2048 MB (x2)
Core Speed 980 MHz 830 MHz (x2)
Memory Speed 6008 MHz 5000 MHz (x2)
Power (Max TDP) 170 watts 375 watts
Bandwidth 192256 MB/sec 320000 MB/sec
Texel Rate 94080 Mtexels/sec 159360 Mtexels/sec
Pixel Rate 31360 Mpixels/sec 53120 Mpixels/sec
Unified Shaders 1152 1536 (x2)
Texture Mapping Units 96 96 (x2)
Render Output Units 32 32 (x2)
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit (x2)
Fab Process 28 nm 40 nm
Transistors 3540 million 2640 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.3 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported over the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output 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 maximum fill rate.

Display Prices

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Geforce GTX 760

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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