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GeForce GTX 1070 vs Radeon HD 7950 3GB

Intro

The GeForce GTX 1070 makes use of a 16 nm design. nVidia has clocked the core speed at 1506 MHz. The GDDR5 memory works at a frequency of 2000 MHz on this card. It features 1920 SPUs as well as 120 TAUs and 64 ROPs.

Compare those specifications to the Radeon HD 7950 3GB, which uses a 28 nm design. AMD has clocked the core frequency at 800 MHz. The GDDR5 RAM runs at a frequency of 1250 MHz on this model. It features 1792 SPUs as well as 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.

Zcash Mining Hash Rate

GeForce GTX 1070 436 Sol/s
Radeon HD 7950 3GB 229 Sol/s
Difference: 207 (90%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1070 150 Watts
Radeon HD 7950 3GB 200 Watts
Difference: 50 Watts (33%)

Memory Bandwidth

In theory, the GeForce GTX 1070 is 9% quicker than the Radeon HD 7950 3GB overall, because of its higher bandwidth. (explain)

GeForce GTX 1070 262144 MB/sec
Radeon HD 7950 3GB 240000 MB/sec
Difference: 22144 (9%)

Texel Rate

The GeForce GTX 1070 should be quite a bit (more or less 102%) more effective at texture filtering than the Radeon HD 7950 3GB. (explain)

GeForce GTX 1070 180720 Mtexels/sec
Radeon HD 7950 3GB 89600 Mtexels/sec
Difference: 91120 (102%)

Pixel Rate

The GeForce GTX 1070 should be much (approximately 277%) more effective at full screen anti-aliasing than the Radeon HD 7950 3GB, and will be capable of handling higher screen resolutions better. (explain)

GeForce GTX 1070 96384 Mpixels/sec
Radeon HD 7950 3GB 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 3GB

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 3GB
Manufacturer nVidia AMD
Year June 2016 January 2012
Code Name GP104-200 Tahiti Pro
Memory 8192 MB 3072 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 largest amount of data (counted in megabytes per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 processed in one second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory 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 3GB

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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