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Geforce GTX 1080 Ti vs Radeon RX Vega 56

Intro

The Geforce GTX 1080 Ti has a GPU clock speed of 1480 MHz, and the 11264 MB of GDDR5X memory runs at 1376 MHz through a 352-bit bus. It also features 3584 SPUs, 224 Texture Address Units, and 88 Raster Operation Units.

Compare all of that to the Radeon RX Vega 56, which has a GPU core clock speed of 1156 MHz, and 8192 MB of HBM2 RAM set to run at 1600 MHz through a 2048-bit bus. It also is made up of 3584 SPUs, 224 Texture Address Units, and 64 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 Ti 27629 points
Radeon RX Vega 56 21011 points
Difference: 6618 (31%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX Vega 56 210 Watts
Geforce GTX 1080 Ti 250 Watts
Difference: 40 Watts (19%)

Memory Bandwidth

The Geforce GTX 1080 Ti should theoretically be just a bit faster than the Radeon RX Vega 56 in general. (explain)

Geforce GTX 1080 Ti 495616 MB/sec
Radeon RX Vega 56 419430 MB/sec
Difference: 76186 (18%)

Texel Rate

The Geforce GTX 1080 Ti is much (more or less 28%) better at AF than the Radeon RX Vega 56. (explain)

Geforce GTX 1080 Ti 331520 Mtexels/sec
Radeon RX Vega 56 258944 Mtexels/sec
Difference: 72576 (28%)

Pixel Rate

If running with a high screen resolution is important to you, then the Geforce GTX 1080 Ti is the winner, by a large margin. (explain)

Geforce GTX 1080 Ti 130240 Mpixels/sec
Radeon RX Vega 56 73984 Mpixels/sec
Difference: 56256 (76%)

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 Ti

Amazon.com

Check prices at:

Radeon RX Vega 56

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.

Specifications

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Model Geforce GTX 1080 Ti Radeon RX Vega 56
Manufacturer nVidia AMD
Year March 2017 September 2017
Code Name GP102 Vega 10 XL
Memory 11264 MB 8192 MB
Core Speed 1480 MHz 1156 MHz
Memory Speed 11008 MHz 1600 MHz
Power (Max TDP) 250 watts 210 watts
Bandwidth 495616 MB/sec 419430 MB/sec
Texel Rate 331520 Mtexels/sec 258944 Mtexels/sec
Pixel Rate 130240 Mpixels/sec 73984 Mpixels/sec
Unified Shaders 3584 3584
Texture Mapping Units 224 224
Render Output Units 88 64
Bus Type GDDR5X HBM2
Bus Width 352-bit 2048-bit
Fab Process 16 nm 14 nm
Transistors 12000 million 12500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be transferred past the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Geforce GTX 1080 Ti

Amazon.com

Check prices at:

Radeon RX Vega 56

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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