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Radeon RX 6800 vs Radeon Vega Frontier Edition

Intro

The Radeon RX 6800 comes with a core clock frequency of 1700 MHz and a GDDR6 memory frequency of 2000 MHz. It also uses a 256-bit memory bus, and uses a 7 nm design. It features 3840 SPUs, 240 Texture Address Units, and 96 Raster Operation Units.

Compare those specs to the Radeon Vega Frontier Edition, which has GPU clock speed of 1382 MHz, and 16384 MB of HBM2 memory running at 1890 MHz through a 2048-bit bus. It also is made up of 4096 SPUs, 256 TAUs, and 64 Raster Operation Units.

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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

The Radeon RX 6800 should theoretically be a bit faster than the Radeon Vega Frontier Edition in general. (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 just a 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

If running with a high resolution is important to you, then the Radeon RX 6800 is a better choice, and very much so. (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

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.

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 (counted in megabytes per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the graphics 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 most pixels the video card could possibly record to its local memory in a 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 - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability 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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