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Radeon R9 M280X vs Radeon R9 M370X

Intro

The Radeon R9 M280X features a GPU core clock speed of 900 MHz, and the 4096 MB of GDDR5 memory is set to run at 1375 MHz through a 128-bit bus. It also features 896 Stream Processors, 56 TAUs, and 16 Raster Operation Units.

Compare those specifications to the Radeon R9 M370X, which uses a 28 nm design. AMD has set the core speed at 800 MHz. The GDDR5 memory works at a speed of 1125 MHz on this card. It features 640 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 M280X should theoretically be quite a bit faster than the Radeon R9 M370X in general. (explain)

Radeon R9 M280X 88000 MB/sec
Radeon R9 M370X 72000 MB/sec
Difference: 16000 (22%)

Texel Rate

The Radeon R9 M280X should be a lot (approximately 58%) faster with regards to anisotropic filtering than the Radeon R9 M370X. (explain)

Radeon R9 M280X 50400 Mtexels/sec
Radeon R9 M370X 32000 Mtexels/sec
Difference: 18400 (58%)

Pixel Rate

The Radeon R9 M280X will be a little bit (about 13%) faster with regards to full screen anti-aliasing than the Radeon R9 M370X, and also capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon R9 M280X 14400 Mpixels/sec
Radeon R9 M370X 12800 Mpixels/sec
Difference: 1600 (13%)

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 M280X

Amazon.com

Check prices at:

Radeon R9 M370X

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 M280X Radeon R9 M370X
Manufacturer AMD AMD
Year Feb 9 2015 2015
Code Name Saturn XT Cape Verde
Memory 4096 MB 2048 MB
Core Speed 900 MHz 800 MHz
Memory Speed 5500 MHz 4500 MHz
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 88000 MB/sec 72000 MB/sec
Texel Rate 50400 Mtexels/sec 32000 Mtexels/sec
Pixel Rate 14400 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 896 640
Texture Mapping Units 56 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 can be applied per second. This number is calculated by multiplying the total number of texture units of the card by the core clock 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 M280X

Amazon.com

Check prices at:

Radeon R9 M370X

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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