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Radeon HD 5970 vs Radeon R9 M390X

Intro

The Radeon HD 5970 uses a 40 nm design. AMD has set the core speed at 725 MHz. The GDDR5 RAM runs at a frequency of 1000 MHz on this specific card. It features 1600 SPUs along with 160 Texture Address Units and 64 ROPs.

Compare all of that to the Radeon R9 M390X, which has a GPU core clock speed of 723 MHz, and 4096 MB of GDDR5 RAM set to run at 1250 MHz through a 256-bit bus. It also features 2048 Stream Processors, 128 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M390X 125 Watts
Radeon HD 5970 294 Watts
Difference: 169 Watts (135%)

Memory Bandwidth

Theoretically, the Radeon HD 5970 should perform quite a bit faster than the Radeon R9 M390X overall. (explain)

Radeon HD 5970 256000 MB/sec
Radeon R9 M390X 160000 MB/sec
Difference: 96000 (60%)

Texel Rate

The Radeon HD 5970 should be quite a bit (approximately 151%) more effective at anisotropic filtering than the Radeon R9 M390X. (explain)

Radeon HD 5970 232000 Mtexels/sec
Radeon R9 M390X 92544 Mtexels/sec
Difference: 139456 (151%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 5970 is superior to the Radeon R9 M390X, by a large margin. (explain)

Radeon HD 5970 92800 Mpixels/sec
Radeon R9 M390X 23136 Mpixels/sec
Difference: 69664 (301%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon HD 5970

Amazon.com

Check prices at:

Radeon R9 M390X

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 HD 5970 Radeon R9 M390X
Manufacturer AMD AMD
Year November 2009 2015
Code Name Hemlock XT Tonga
Memory 1024 MB (x2) 4096 MB
Core Speed 725 MHz (x2) 723 MHz
Memory Speed 4000 MHz (x2) 5000 MHz
Power (Max TDP) 294 watts 125 watts
Bandwidth 256000 MB/sec 160000 MB/sec
Texel Rate 232000 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 92800 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 1600 (x2) 2048
Texture Mapping Units 160 (x2) 128
Render Output Units 64 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit (x2) 256-bit
Fab Process 40 nm 28 nm
Transistors 2154 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (measured in MB per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 processed in one second. This figure is calculated by multiplying the total number of texture units of the card by the core clock 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 processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5970

Amazon.com

Check prices at:

Radeon R9 M390X

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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