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Geforce GTX 1080 Ti vs Radeon RX Vega 56

Intro

The Geforce GTX 1080 Ti has core clock speeds of 1480 MHz on the GPU, and 1376 MHz on the 11264 MB of GDDR5X RAM. It features 3584 SPUs along with 224 Texture Address Units and 88 ROPs.

Compare all that to the Radeon RX Vega 56, which features GPU clock speed of 1156 MHz, and 8192 MB of HBM2 RAM running at 1600 MHz through a 2048-bit bus. It also is comprised of 3584 Stream Processors, 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 27570 points
Radeon RX Vega 56 21011 points
Difference: 6559 (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 in theory be a bit faster than the Radeon RX Vega 56 overall. (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 should be much (approximately 28%) faster with regards to anisotropic filtering 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 using lots of anti-aliasing is important to you, then the Geforce GTX 1080 Ti is a better choice, and very much so. (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

Radeon RX Vega 56

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 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 maximum amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 processed in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant 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.

Display Prices

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Geforce GTX 1080 Ti

Amazon.com

Radeon RX Vega 56

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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