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GeForce GTX 1070 vs Radeon HD 7950

Intro

The GeForce GTX 1070 comes with a GPU core clock speed of 1506 MHz, and the 8192 MB of GDDR5 memory runs at 2000 MHz through a 256-bit bus. It also is comprised of 1920 SPUs, 120 TAUs, and 64 ROPs.

Compare that to the Radeon HD 7950, which has a core clock speed of 800 MHz and a GDDR5 memory speed of 1250 MHz. It also makes use of a 384-bit bus, and uses a 28 nm design. It features 1792 SPUs, 112 TAUs, and 32 Raster Operation 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 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

Performance-wise, the GeForce GTX 1070 should in theory be a bit superior to 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 is a lot (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 running with high levels of AA is important to you, then the GeForce GTX 1070 is superior to the Radeon HD 7950, by far. (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

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.

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: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred over the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach 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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