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GeForce GTX 1080 vs Geforce GTX 770


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 along with 160 TAUs and 64 Rasterization Operator Units.

Compare that to the Geforce GTX 770, which has a GPU core clock speed of 1046 MHz, and 2048 MB of GDDR5 RAM running at 1753 MHz through a 256-bit bus. It also is comprised of 1536 SPUs, 128 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 1080 22050 points
Geforce GTX 770 7837 points
Difference: 14213 (181%)

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

Theoretically speaking, the GeForce GTX 1080 should be 46% faster than the Geforce GTX 770 overall, due to its higher data rate. (explain)

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

Texel Rate

The GeForce GTX 1080 will be quite a bit (about 92%) faster with regards to texture filtering than the Geforce GTX 770. (explain)

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

Pixel Rate

The GeForce GTX 1080 should be much (approximately 207%) more effective at anti-aliasing than the Geforce GTX 770, and will be able to handle higher screen resolutions better. (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 maximum amount of information (measured in megabytes per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster 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 applied in one second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher 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 the graphics card can possibly write to the 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 clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max 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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