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Geforce GTX 1080 Ti vs Radeon RX Vega 64

Intro

The Geforce GTX 1080 Ti comes with a GPU clock speed of 1480 MHz, and the 11264 MB of GDDR5X RAM runs at 1376 MHz through a 352-bit bus. It also is comprised of 3584 SPUs, 224 TAUs, and 88 ROPs.

Compare all of that to the Radeon RX Vega 64, which comes with a clock frequency of 1247 MHz and a HBM2 memory speed of 1890 MHz. It also makes use of a 2048-bit memory bus, and makes use of a 14 nm design. It is comprised of 4096 SPUs, 256 TAUs, and 64 ROPs.

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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 64 21986 points
Difference: 5643 (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

As far as performance goes, the Geforce GTX 1080 Ti should in theory be just a bit better than the Radeon RX Vega 64 in general. (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 should be a little bit (more or less 4%) more effective 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 a high screen resolution is important to you, then the Geforce GTX 1080 Ti is superior to the Radeon RX Vega 64, by a large margin. (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

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Radeon RX Vega 64

Amazon.com

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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: Memory bandwidth is the max amount of data (measured in MB per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the card's 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 fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Geforce GTX 1080 Ti

Amazon.com

Check prices at:

Radeon RX Vega 64

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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