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GeForce GTX 1080 vs Geforce GTX 770

Intro

The GeForce GTX 1080 features a GPU clock speed of 1607 MHz, and the 8192 MB of GDDR5X RAM runs at 1251 MHz through a 256-bit bus. It also is made up of 2560 Stream Processors, 160 Texture Address Units, and 64 Raster Operation Units.

Compare all that to the Geforce GTX 770, which makes use of a 28 nm design. nVidia has clocked the core frequency at 1046 MHz. The GDDR5 memory works at a speed of 1753 MHz on this model. It features 1536 SPUs along with 128 TAUs and 32 Rasterization Operator 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 1080 21919 points
Geforce GTX 770 7854 points
Difference: 14065 (179%)

Zcash Mining Hash Rate

GeForce GTX 1080 553 Sol/s
Geforce GTX 770 70 Sol/s
Difference: 483 (690%)

Ethereum Mining Hash Rate

GeForce GTX 1080 20 Mh/s
Geforce GTX 770 14 Mh/s
Difference: 6 (43%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1080 180 Watts
Geforce GTX 770 230 Watts
Difference: 50 Watts (28%)

Memory Bandwidth

In theory, the GeForce GTX 1080 should be a lot faster than the Geforce GTX 770 overall. (explain)

GeForce GTX 1080 327680 MB/sec
Geforce GTX 770 224384 MB/sec
Difference: 103296 (46%)

Texel Rate

The GeForce GTX 1080 is quite a bit (more or less 92%) more effective at anisotropic filtering than the Geforce GTX 770. (explain)

GeForce GTX 1080 257120 Mtexels/sec
Geforce GTX 770 133888 Mtexels/sec
Difference: 123232 (92%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 1080 is a better choice, and very much so. (explain)

GeForce GTX 1080 102848 Mpixels/sec
Geforce GTX 770 33472 Mpixels/sec
Difference: 69376 (207%)

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 770

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 770
Manufacturer nVidia nVidia
Year May 2016 May 2013
Code Name GP104-400 GK104
Memory 8192 MB 2048 MB
Core Speed 1607 MHz 1046 MHz
Memory Speed 10008 MHz 7012 MHz
Power (Max TDP) 180 watts 230 watts
Bandwidth 327680 MB/sec 224384 MB/sec
Texel Rate 257120 Mtexels/sec 133888 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 33472 Mpixels/sec
Unified Shaders 2560 1536
Texture Mapping Units 160 128
Render Output Units 64 32
Bus Type GDDR5X GDDR5
Bus Width 256-bit 256-bit
Fab Process 16 nm 28 nm
Transistors 7200 million 3540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.0
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the graphics 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 that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few 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 770

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.

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