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Radeon RX 480 vs Radeon RX 6800

Intro

The Radeon RX 480 uses a 14 nm design. AMD has clocked the core speed at 1120 MHz. The GDDR5 memory runs at a frequency of 2000 MHz on this particular card. It features 2304 SPUs along with 144 Texture Address Units and 32 ROPs.

Compare those specs to the Radeon RX 6800, which makes use of a 7 nm design. AMD has clocked the core speed at 1700 MHz. The GDDR6 RAM works at a speed of 2000 MHz on this particular card. It features 3840 SPUs along with 240 TAUs and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 150 Watts
Radeon RX 6800 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

As far as performance goes, the Radeon RX 6800 should in theory be a lot superior to the Radeon RX 480 overall. (explain)

Radeon RX 6800 524288 MB/sec
Radeon RX 480 262144 MB/sec
Difference: 262144 (100%)

Texel Rate

The Radeon RX 6800 should be a lot (about 153%) faster with regards to anisotropic filtering than the Radeon RX 480. (explain)

Radeon RX 6800 408000 Mtexels/sec
Radeon RX 480 161280 Mtexels/sec
Difference: 246720 (153%)

Pixel Rate

The Radeon RX 6800 is much (about 355%) better at anti-aliasing than the Radeon RX 480, and also capable of handling higher resolutions without losing too much performance. (explain)

Radeon RX 6800 163200 Mpixels/sec
Radeon RX 480 35840 Mpixels/sec
Difference: 127360 (355%)

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 480

Amazon.com

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Radeon RX 6800

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 480 Radeon RX 6800
Manufacturer AMD AMD
Year June 2016 November 2020
Code Name Polaris 10 Navi 21
Memory 8192 MB 16384 MB
Core Speed 1120 MHz 1700 MHz
Memory Speed 8000 MHz 4000 GB/s
Power (Max TDP) 150 watts 250 watts
Bandwidth 262144 MB/sec 524288 MB/sec
Texel Rate 161280 Mtexels/sec 408000 Mtexels/sec
Pixel Rate 35840 Mpixels/sec 163200 Mpixels/sec
Unified Shaders 2304 3840
Texture Mapping Units 144 240
Render Output Units 32 96
Bus Type GDDR5 GDDR6
Bus Width 256-bit 256-bit
Fab Process 14 nm 7 nm
Transistors 5700 million 26800 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of MB per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This number is calculated by multiplying the total amount of 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 one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the card's 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 also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon RX 480

Amazon.com

Check prices at:

Radeon RX 6800

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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