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Radeon R9 390X 8G vs Radeon RX 5700 XT 50th Anniversary Edition

Intro

The Radeon R9 390X 8G makes use of a 28 nm design. AMD has clocked the core speed at 1050 MHz. The GDDR5 memory runs at a speed of 1500 MHz on this specific model. It features 2816 SPUs along with 176 TAUs and 64 Rasterization Operator Units.

Compare all that to the Radeon RX 5700 XT 50th Anniversary Edition, which comes with core clock speeds of 1680 MHz on the GPU, and 14000 MHz on the 8096 MB of GDDR6 memory. It features 2560 SPUs along with 160 Texture Address Units and 64 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5700 XT 50th Anniversary Edition 235 Watts
Radeon R9 390X 8G 275 Watts
Difference: 40 Watts (17%)

Memory Bandwidth

In theory, the Radeon RX 5700 XT 50th Anniversary Edition should be a bit faster than the Radeon R9 390X 8G overall. (explain)

Radeon RX 5700 XT 50th Anniversary Edition 458752 MB/sec
Radeon R9 390X 8G 384000 MB/sec
Difference: 74752 (19%)

Texel Rate

The Radeon RX 5700 XT 50th Anniversary Edition should be quite a bit (about 45%) faster with regards to texture filtering than the Radeon R9 390X 8G. (explain)

Radeon RX 5700 XT 50th Anniversary Edition 268800 Mtexels/sec
Radeon R9 390X 8G 184800 Mtexels/sec
Difference: 84000 (45%)

Pixel Rate

The Radeon RX 5700 XT 50th Anniversary Edition is a lot (approximately 60%) better at full screen anti-aliasing than the Radeon R9 390X 8G, and should be capable of handling higher resolutions without slowing down too much. (explain)

Radeon RX 5700 XT 50th Anniversary Edition 107520 Mpixels/sec
Radeon R9 390X 8G 67200 Mpixels/sec
Difference: 40320 (60%)

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 R9 390X 8G

Amazon.com

Check prices at:

Radeon RX 5700 XT 50th Anniversary 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 R9 390X 8G Radeon RX 5700 XT 50th Anniversary Edition
Manufacturer AMD AMD
Year June 2015 July 2019
Code Name Grenada XT Navi 10
Memory 8192 MB 8096 MB
Core Speed 1050 MHz 1680 MHz
Memory Speed 6000 MHz 28000 GB/s
Power (Max TDP) 275 watts 235 watts
Bandwidth 384000 MB/sec 458752 MB/sec
Texel Rate 184800 Mtexels/sec 268800 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 107520 Mpixels/sec
Unified Shaders 2816 2560
Texture Mapping Units 176 160
Render Output Units 64 64
Bus Type GDDR5 GDDR6
Bus Width 512-bit 256-bit
Fab Process 28 nm 7 nm
Transistors 6200 million 10300 million
Bus PCIe 3.0 ×16 PCIe 4.0 ×16
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 (measured in megabytes per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the card will be at handling 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 record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units 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 output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon R9 390X 8G

Amazon.com

Check prices at:

Radeon RX 5700 XT 50th Anniversary 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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