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GeForce GTX 960 vs Radeon HD 6790

Intro

The GeForce GTX 960 has a clock frequency of 1127 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is comprised of 1024 SPUs, 64 Texture Address Units, and 32 ROPs.

Compare all that to the Radeon HD 6790, which has a core clock frequency of 840 MHz and a GDDR5 memory speed of 1050 MHz. It also features a 256-bit bus, and uses a 40 nm design. It is comprised of 800 SPUs, 40 TAUs, and 16 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 960 7627 points
Radeon HD 6790 2150 points
Difference: 5477 (255%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960 120 Watts
Radeon HD 6790 150 Watts
Difference: 30 Watts (25%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6790 should in theory be a little bit superior to the GeForce GTX 960 overall. (explain)

Radeon HD 6790 134400 MB/sec
GeForce GTX 960 112000 MB/sec
Difference: 22400 (20%)

Texel Rate

The GeForce GTX 960 will be much (about 115%) more effective at texture filtering than the Radeon HD 6790. (explain)

GeForce GTX 960 72128 Mtexels/sec
Radeon HD 6790 33600 Mtexels/sec
Difference: 38528 (115%)

Pixel Rate

The GeForce GTX 960 is much (approximately 168%) better at FSAA than the Radeon HD 6790, and also should be capable of handling higher resolutions better. (explain)

GeForce GTX 960 36064 Mpixels/sec
Radeon HD 6790 13440 Mpixels/sec
Difference: 22624 (168%)

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 GTX 960

Amazon.com

Check prices at:

Radeon HD 6790

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 960 Radeon HD 6790
Manufacturer nVidia AMD
Year January 2015 April 2011
Code Name GM206 Barts LE
Memory 2048 MB 1024 MB
Core Speed 1127 MHz 840 MHz
Memory Speed 7000 MHz 4200 MHz
Power (Max TDP) 120 watts 150 watts
Bandwidth 112000 MB/sec 134400 MB/sec
Texel Rate 72128 Mtexels/sec 33600 Mtexels/sec
Pixel Rate 36064 Mpixels/sec 13440 Mpixels/sec
Unified Shaders 1024 800
Texture Mapping Units 64 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 40 nm
Transistors 2940 million 1700 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12.0 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the bus width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses 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, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video 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 the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 960

Amazon.com

Check prices at:

Radeon HD 6790

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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