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GeForce GTX 1070 vs Radeon HD 7790

Intro

The GeForce GTX 1070 comes with a GPU core clock speed of 1506 MHz, and the 8192 MB of GDDR5 RAM runs at 2000 MHz through a 256-bit bus. It also is comprised of 1920 Stream Processors, 120 Texture Address Units, and 64 Raster Operation Units.

Compare that to the Radeon HD 7790, which comes with a GPU core clock speed of 1000 MHz, and 1024 MB of GDDR5 memory running at 1500 MHz through a 128-bit bus. It also is made up of 896 Stream Processors, 56 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 1070 18174 points
Radeon HD 7790 4330 points
Difference: 13844 (320%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7790 85 Watts
GeForce GTX 1070 150 Watts
Difference: 65 Watts (76%)

Memory Bandwidth

In theory, the GeForce GTX 1070 is 173% quicker than the Radeon HD 7790 in general, because of its higher bandwidth. (explain)

GeForce GTX 1070 262144 MB/sec
Radeon HD 7790 96000 MB/sec
Difference: 166144 (173%)

Texel Rate

The GeForce GTX 1070 is much (approximately 223%) faster with regards to texture filtering than the Radeon HD 7790. (explain)

GeForce GTX 1070 180720 Mtexels/sec
Radeon HD 7790 56000 Mtexels/sec
Difference: 124720 (223%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 1070 is a better choice, and very much so. (explain)

GeForce GTX 1070 96384 Mpixels/sec
Radeon HD 7790 16000 Mpixels/sec
Difference: 80384 (502%)

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 1070

Amazon.com

Check prices at:

Radeon HD 7790

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 1070 Radeon HD 7790
Manufacturer nVidia AMD
Year June 2016 March 2013
Code Name GP104-200 Bonaire XT
Memory 8192 MB 1024 MB
Core Speed 1506 MHz 1000 MHz
Memory Speed 8000 MHz 6000 MHz
Power (Max TDP) 150 watts 85 watts
Bandwidth 262144 MB/sec 96000 MB/sec
Texel Rate 180720 Mtexels/sec 56000 Mtexels/sec
Pixel Rate 96384 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 1920 896
Texture Mapping Units 120 56
Render Output Units 64 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 16 nm 28 nm
Transistors 7200 million 2080 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.1
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR 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 worked out by multiplying the total texture units by the core 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially 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 1070

Amazon.com

Check prices at:

Radeon HD 7790

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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