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GeForce RTX 2080 vs Radeon RX Vega 56

Intro

The GeForce RTX 2080 has a core clock speed of 1515 MHz and a GDDR6 memory speed of 14 MHz. It also features a 256-bit memory bus, and uses a 12 nm design. It is comprised of 2944 SPUs, 184 Texture Address Units, and 64 Raster Operation Units.

Compare those specifications to the Radeon RX Vega 56, which has GPU clock speed of 1156 MHz, and 8192 MB of HBM2 memory set to run at 1600 MHz through a 2048-bit bus. It also is comprised of 3584 SPUs, 224 Texture Address Units, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX Vega 56 210 Watts
GeForce RTX 2080 215 Watts
Difference: 5 Watts (2%)

Memory Bandwidth

In theory, the GeForce RTX 2080 is 9% faster than the Radeon RX Vega 56 overall, because of its greater bandwidth. (explain)

GeForce RTX 2080 458752 MB/sec
Radeon RX Vega 56 419430 MB/sec
Difference: 39322 (9%)

Texel Rate

The GeForce RTX 2080 is a small bit (about 8%) better at AF than the Radeon RX Vega 56. (explain)

GeForce RTX 2080 278760 Mtexels/sec
Radeon RX Vega 56 258944 Mtexels/sec
Difference: 19816 (8%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce RTX 2080 is superior to the Radeon RX Vega 56, by a large margin. (explain)

GeForce RTX 2080 96960 Mpixels/sec
Radeon RX Vega 56 73984 Mpixels/sec
Difference: 22976 (31%)

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

Display Prices

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GeForce RTX 2080

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 RTX 2080 Radeon RX Vega 56
Manufacturer nVidia AMD
Year September 2018 September 2017
Code Name TU104-400A-A1 Vega 10 XL
Memory 8192 MB 8192 MB
Core Speed 1515 MHz 1156 MHz
Memory Speed 14 GB/s 1600 MHz
Power (Max TDP) 215 watts 210 watts
Bandwidth 458752 MB/sec 419430 MB/sec
Texel Rate 278760 Mtexels/sec 258944 Mtexels/sec
Pixel Rate 96960 Mpixels/sec 73984 Mpixels/sec
Unified Shaders 2944 3584
Texture Mapping Units 184 224
Render Output Units 64 64
Bus Type GDDR6 HBM2
Bus Width 256-bit 2048-bit
Fab Process 12 nm 14 nm
Transistors (Unknown) million 12500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.6 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's 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 number of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at 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 that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce RTX 2080

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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