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GeForce GTX 1070 vs Radeon HD 7950

Intro

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

Compare all that to the Radeon HD 7950, which makes use of a 28 nm design. AMD has set the core frequency at 800 MHz. The GDDR5 memory is set to run at a frequency of 1250 MHz on this particular card. It features 1792 SPUs along with 112 Texture Address Units 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

GeForce GTX 1070 18174 points
Radeon HD 7950 7731 points
Difference: 10443 (135%)

Zcash Mining Hash Rate

GeForce GTX 1070 436 Sol/s
Radeon HD 7950 235 Sol/s
Difference: 201 (86%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1070 150 Watts
Radeon HD 7950 200 Watts
Difference: 50 Watts (33%)

Memory Bandwidth

The GeForce GTX 1070 should theoretically perform a small bit faster than the Radeon HD 7950 overall. (explain)

GeForce GTX 1070 262144 MB/sec
Radeon HD 7950 240000 MB/sec
Difference: 22144 (9%)

Texel Rate

The GeForce GTX 1070 will be much (about 102%) more effective at AF than the Radeon HD 7950. (explain)

GeForce GTX 1070 180720 Mtexels/sec
Radeon HD 7950 89600 Mtexels/sec
Difference: 91120 (102%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 1070 is a better choice, by a large margin. (explain)

GeForce GTX 1070 96384 Mpixels/sec
Radeon HD 7950 25600 Mpixels/sec
Difference: 70784 (277%)

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

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Radeon HD 7950

Amazon.com

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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 7950
Manufacturer nVidia AMD
Year June 2016 January 2012
Code Name GP104-200 Tahiti Pro
Memory 8192 MB 1536 MB
Core Speed 1506 MHz 800 MHz
Memory Speed 8000 MHz 5000 MHz
Power (Max TDP) 150 watts 200 watts
Bandwidth 262144 MB/sec 240000 MB/sec
Texel Rate 180720 Mtexels/sec 89600 Mtexels/sec
Pixel Rate 96384 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 1920 1792
Texture Mapping Units 120 112
Render Output Units 64 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
Fab Process 16 nm 28 nm
Transistors 7200 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.1
OpenGL Version OpenGL 4.5 OpenGL 4.2

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, 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 number of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. 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 rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 1070

Amazon.com

Check prices at:

Radeon HD 7950

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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