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GeForce GTX 1080 vs GeForce GTX 970


Intro

The GeForce GTX 1080 features a core clock frequency of 1607 MHz and a GDDR5X memory speed of 1251 MHz. It also uses a 256-bit bus, and makes use of a 16 nm design. It features 2560 SPUs, 160 Texture Address Units, and 64 ROPs.

Compare that to the GeForce GTX 970, which features clock speeds of 1050 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 1664 SPUs along with 104 TAUs and 64 Rasterization Operator 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

Theoretically speaking, the GeForce GTX 1080 is 46% faster than the GeForce GTX 970 in general, because of its greater data rate. (explain)

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

Texel Rate

The GeForce GTX 1080 will be a lot (approximately 135%) better 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 running with a high resolution is important to you, then the GeForce GTX 1080 is superior to the GeForce GTX 970, by far. (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

GeForce GTX 1080

GeForce GTX 970

Specifications

Display 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: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If 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 amount of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount 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, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

GeForce GTX 1080

GeForce GTX 970

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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