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GeForce GTX 1080 vs GeForce GTX 970


Intro

The GeForce GTX 1080 features core clock speeds of 1607 MHz on the GPU, and 1251 MHz on the 8192 MB of GDDR5X memory. It features 2560 SPUs as well as 160 TAUs and 64 ROPs.

Compare those specs to the GeForce GTX 970, which comes with a GPU core clock speed of 1050 MHz, and 4096 MB of GDDR5 memory set to run at 1750 MHz through a 256-bit bus. It also is comprised of 1664 Stream Processors, 104 Texture Address Units, and 64 Raster Operation Units.

Display Graphs

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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 1080 22050 points
GeForce GTX 970 10869 points
Difference: 11181 (103%)

Zcash Mining Hash Rate

GeForce GTX 1080 553 Sol/s
GeForce GTX 970 262 Sol/s
Difference: 291 (111%)

Ethereum Mining Hash Rate

GeForce GTX 1080 20 Mh/s
GeForce GTX 970 19 Mh/s
Difference: 1 (5%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970 145 Watts
GeForce GTX 1080 180 Watts
Difference: 35 Watts (24%)

Memory Bandwidth

In theory, the GeForce GTX 1080 will be 46% quicker than the GeForce GTX 970 overall, because of its greater bandwidth. (explain)

GeForce GTX 1080 327680 MB/sec
GeForce GTX 970 224000 MB/sec
Difference: 103680 (46%)

Texel Rate

The GeForce GTX 1080 should be quite a bit (approximately 135%) more effective at texture filtering than the GeForce GTX 970. (explain)

GeForce GTX 1080 257120 Mtexels/sec
GeForce GTX 970 109200 Mtexels/sec
Difference: 147920 (135%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 1080 is superior to the GeForce GTX 970, by a large margin. (explain)

GeForce GTX 1080 102848 Mpixels/sec
GeForce GTX 970 67200 Mpixels/sec
Difference: 35648 (53%)

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 1080

Amazon.com

GeForce GTX 970

Amazon.com

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 1080 GeForce GTX 970
Manufacturer nVidia nVidia
Year May 2016 September 2014
Code Name GP104-400 GM204-200
Memory 8192 MB 4096 MB
Core Speed 1607 MHz 1050 MHz
Memory Speed 10008 MHz 7000 MHz
Power (Max TDP) 180 watts 145 watts
Bandwidth 327680 MB/sec 224000 MB/sec
Texel Rate 257120 Mtexels/sec 109200 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 2560 1664
Texture Mapping Units 160 104
Render Output Units 64 64
Bus Type GDDR5X GDDR5
Bus Width 256-bit 256-bit
Fab Process 16 nm 28 nm
Transistors 7200 million 5200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total texture units 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 applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 1080

Amazon.com

GeForce GTX 970

Amazon.com

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.

Comments

3 Responses to “GeForce GTX 1080 vs GeForce GTX 970”
Pee says:

Good good good and so good very good

Gennady says:

GeForce GTX 970 = DirectX 12

Gennady says:

GeForce GTX 970
Render Output Units = 56

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