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Radeon R9 390 8G vs Radeon R9 Fury X

Intro

The Radeon R9 390 8G has a GPU core clock speed of 1000 MHz, and the 8192 MB of GDDR5 RAM runs at 1500 MHz through a 512-bit bus. It also is comprised of 2560 SPUs, 160 TAUs, and 64 Raster Operation Units.

Compare all of that to the Radeon R9 Fury X, which uses a 28 nm design. AMD has set the core speed at 1050 MHz. The HBM RAM works at a speed of 500 MHz on this card. It features 4096 SPUs as well as 256 Texture Address Units and 64 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 Fury X 14793 points
Radeon R9 390 8G 12733 points
Difference: 2060 (16%)

Zcash Mining Hash Rate

Radeon R9 Fury X 450 Sol/s
Radeon R9 390 8G 326 Sol/s
Difference: 124 (38%)

Ethereum Mining Hash Rate

Radeon R9 Fury X 30 Mh/s
Radeon R9 390 8G 28 Mh/s
Difference: 2 (7%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The Radeon R9 Fury X should theoretically perform much faster than the Radeon R9 390 8G overall. (explain)

Radeon R9 Fury X 512000 MB/sec
Radeon R9 390 8G 384000 MB/sec
Difference: 128000 (33%)

Texel Rate

The Radeon R9 Fury X should be quite a bit (about 68%) better at AF than the Radeon R9 390 8G. (explain)

Radeon R9 Fury X 268800 Mtexels/sec
Radeon R9 390 8G 160000 Mtexels/sec
Difference: 108800 (68%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon R9 Fury X is the winner, though not by far. (explain)

Radeon R9 Fury X 67200 Mpixels/sec
Radeon R9 390 8G 64000 Mpixels/sec
Difference: 3200 (5%)

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

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Radeon R9 Fury X

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 R9 Fury X
Manufacturer AMD AMD
Year June 2015 June 2015
Code Name Grenada PRO Fiji XT
Memory 8192 MB 4096 MB
Core Speed 1000 MHz 1050 MHz
Memory Speed 6000 MHz 500 MHz
Power (Max TDP) 275 watts 275 watts
Bandwidth 384000 MB/sec 512000 MB/sec
Texel Rate 160000 Mtexels/sec 268800 Mtexels/sec
Pixel Rate 64000 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 2560 4096
Texture Mapping Units 160 256
Render Output Units 64 64
Bus Type GDDR5 HBM
Bus Width 512-bit 4096-bit
Fab Process 28 nm 28 nm
Transistors 6200 million 8900 million
Bus PCIe 3.0 ×16 PCIe 3.0
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its 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 clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 390 8G

Amazon.com

Check prices at:

Radeon R9 Fury X

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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