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Radeon RX 6800 vs Radeon Vega Frontier Edition

Intro

The Radeon RX 6800 has a clock speed of 1700 MHz and a GDDR6 memory frequency of 2000 MHz. It also uses a 256-bit memory bus, and makes use of a 7 nm design. It is made up of 3840 SPUs, 240 Texture Address Units, and 96 ROPs.

Compare all that to the Radeon Vega Frontier Edition, which features core clock speeds of 1382 MHz on the GPU, and 1890 MHz on the 16384 MB of HBM2 memory. It features 4096 SPUs as well as 256 Texture Address Units and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6800 250 Watts
Radeon Vega Frontier Edition 300 Watts
Difference: 50 Watts (20%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6800 should be 6% faster than the Radeon Vega Frontier Edition in general, because of its greater data rate. (explain)

Radeon RX 6800 524288 MB/sec
Radeon Vega Frontier Edition 495452 MB/sec
Difference: 28836 (6%)

Texel Rate

The Radeon RX 6800 should be a small bit (approximately 15%) faster with regards to anisotropic filtering than the Radeon Vega Frontier Edition. (explain)

Radeon RX 6800 408000 Mtexels/sec
Radeon Vega Frontier Edition 353792 Mtexels/sec
Difference: 54208 (15%)

Pixel Rate

The Radeon RX 6800 is much (about 85%) better at anti-aliasing than the Radeon Vega Frontier Edition, and also should be able to handle higher resolutions without losing too much performance. (explain)

Radeon RX 6800 163200 Mpixels/sec
Radeon Vega Frontier Edition 88448 Mpixels/sec
Difference: 74752 (85%)

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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Radeon RX 6800

Amazon.com

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Radeon Vega Frontier Edition

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 Radeon RX 6800 Radeon Vega Frontier Edition
Manufacturer AMD AMD
Year November 2020 June 2017
Code Name Navi 21 Vega 10 XTX
Memory 16384 MB 16384 MB
Core Speed 1700 MHz 1382 MHz
Memory Speed 2000 GB/s 1890 MHz
Power (Max TDP) 250 watts 300 watts
Bandwidth 524288 MB/sec 495452 MB/sec
Texel Rate 408000 Mtexels/sec 353792 Mtexels/sec
Pixel Rate 163200 Mpixels/sec 88448 Mpixels/sec
Unified Shaders 3840 4096
Texture Mapping Units 240 256
Render Output Units 96 64
Bus Type GDDR6 HBM2
Bus Width 256-bit 2048-bit
Fab Process 7 nm 14 nm
Transistors 26800 million 12500 million
Bus PCIe 4.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.6 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be transported across the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total number of texture units of the card by the core 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 in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon RX 6800

Amazon.com

Check prices at:

Radeon Vega Frontier Edition

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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