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

Intro

The Radeon R9 390 8G features a GPU core speed of 1000 MHz, and the 8192 MB of GDDR5 memory is set to run at 1500 MHz through a 512-bit bus. It also is comprised of 2560 Stream Processors, 160 TAUs, and 64 ROPs.

Compare all that to the Radeon RX 5700 XT 50th Anniversary Edition, which makes use of a 7 nm design. AMD has set the core frequency at 1680 MHz. The GDDR6 memory runs at a frequency of 14000 MHz on this particular card. It features 2560 SPUs along with 160 TAUs 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 390 8G 275 Watts
Difference: 40 Watts (17%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 5700 XT 50th Anniversary Edition should perform a small bit faster than the Radeon R9 390 8G overall. (explain)

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

Texel Rate

The Radeon RX 5700 XT 50th Anniversary Edition is a lot (approximately 68%) faster with regards to texture filtering than the Radeon R9 390 8G. (explain)

Radeon RX 5700 XT 50th Anniversary Edition 268800 Mtexels/sec
Radeon R9 390 8G 160000 Mtexels/sec
Difference: 108800 (68%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 5700 XT 50th Anniversary Edition is a better choice, by a large margin. (explain)

Radeon RX 5700 XT 50th Anniversary Edition 107520 Mpixels/sec
Radeon R9 390 8G 64000 Mpixels/sec
Difference: 43520 (68%)

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 390 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 390 8G Radeon RX 5700 XT 50th Anniversary Edition
Manufacturer AMD AMD
Year June 2015 July 2019
Code Name Grenada PRO Navi 10
Memory 8192 MB 8096 MB
Core Speed 1000 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 160000 Mtexels/sec 268800 Mtexels/sec
Pixel Rate 64000 Mpixels/sec 107520 Mpixels/sec
Unified Shaders 2560 2560
Texture Mapping Units 160 160
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: Bandwidth is the largest amount of data (in units of megabytes per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster 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 processed in one second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. 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 - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 390 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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