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Radeon R7 370 2G vs Radeon R9 M390X

Intro

The Radeon R7 370 2G features a clock speed of 975 MHz and a GDDR5 memory speed of 1400 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It features 1024 SPUs, 64 TAUs, and 32 ROPs.

Compare those specs to the Radeon R9 M390X, which uses a 28 nm design. AMD has clocked the core frequency at 723 MHz. The GDDR5 RAM works at a speed of 1250 MHz on this specific model. It features 2048 SPUs along with 128 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 2G 110 Watts
Radeon R9 M390X 125 Watts
Difference: 15 Watts (14%)

Memory Bandwidth

Performance-wise, the Radeon R7 370 2G should in theory be a small bit better than the Radeon R9 M390X in general. (explain)

Radeon R7 370 2G 179200 MB/sec
Radeon R9 M390X 160000 MB/sec
Difference: 19200 (12%)

Texel Rate

The Radeon R9 M390X is a lot (about 48%) faster with regards to anisotropic filtering than the Radeon R7 370 2G. (explain)

Radeon R9 M390X 92544 Mtexels/sec
Radeon R7 370 2G 62400 Mtexels/sec
Difference: 30144 (48%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R7 370 2G is the winner, by far. (explain)

Radeon R7 370 2G 31200 Mpixels/sec
Radeon R9 M390X 23136 Mpixels/sec
Difference: 8064 (35%)

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 R7 370 2G

Amazon.com

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Radeon R9 M390X

Amazon.com

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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 R7 370 2G Radeon R9 M390X
Manufacturer AMD AMD
Year June 2015 2015
Code Name Trinidad Tonga
Memory 2048 MB 4096 MB
Core Speed 975 MHz 723 MHz
Memory Speed 5600 MHz 5000 MHz
Power (Max TDP) 110 watts 125 watts
Bandwidth 179200 MB/sec 160000 MB/sec
Texel Rate 62400 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 31200 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 1024 2048
Texture Mapping Units 64 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 2080 million (Unknown) million
Bus PCIe 3.0 ×16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 number of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon R7 370 2G

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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