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Geforce GTX 1080 Ti vs Radeon RX Vega 64

Intro

The Geforce GTX 1080 Ti makes use of a 16 nm design. nVidia has set the core frequency at 1480 MHz. The GDDR5X RAM is set to run at a frequency of 1376 MHz on this particular model. It features 3584 SPUs as well as 224 TAUs and 88 Rasterization Operator Units.

Compare that to the Radeon RX Vega 64, which comes with a core clock frequency of 1247 MHz and a HBM2 memory frequency of 1890 MHz. It also uses a 2048-bit bus, and makes use of a 14 nm design. It is made up of 4096 SPUs, 256 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 64 21932 points
Difference: 5638 (26%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 1080 Ti 250 Watts
Radeon RX Vega 64 295 Watts
Difference: 45 Watts (18%)

Memory Bandwidth

The Geforce GTX 1080 Ti, in theory, should perform just a bit faster than the Radeon RX Vega 64 overall. (explain)

Geforce GTX 1080 Ti 495616 MB/sec
Radeon RX Vega 64 495411 MB/sec
Difference: 205 (0%)

Texel Rate

The Geforce GTX 1080 Ti will be a small bit (more or less 4%) better at anisotropic filtering than the Radeon RX Vega 64. (explain)

Geforce GTX 1080 Ti 331520 Mtexels/sec
Radeon RX Vega 64 319232 Mtexels/sec
Difference: 12288 (4%)

Pixel Rate

If running with high levels of AA is important to you, then the Geforce GTX 1080 Ti is the winner, by far. (explain)

Geforce GTX 1080 Ti 130240 Mpixels/sec
Radeon RX Vega 64 79808 Mpixels/sec
Difference: 50432 (63%)

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 64

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 64
Manufacturer nVidia AMD
Year March 2017 August 2017
Code Name GP102 Vega 10 XT
Memory 11264 MB 8192 MB
Core Speed 1480 MHz 1247 MHz
Memory Speed 11008 MHz 1890 MHz
Power (Max TDP) 250 watts 295 watts
Bandwidth 495616 MB/sec 495411 MB/sec
Texel Rate 331520 Mtexels/sec 319232 Mtexels/sec
Pixel Rate 130240 Mpixels/sec 79808 Mpixels/sec
Unified Shaders 3584 4096
Texture Mapping Units 224 256
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 information (in units of megabytes per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the bus width by the speed of its memory. If it uses DDR RAM, 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 AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Geforce GTX 1080 Ti

Amazon.com

Radeon RX Vega 64

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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