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Radeon R9 M265X vs Radeon R9 M375X

Intro

The Radeon R9 M265X makes use of a 28 nm design. AMD has clocked the core speed at 575 MHz. The GDDR5 RAM runs at a speed of 1125 MHz on this particular card. It features 640 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Compare all that to the Radeon R9 M375X, which comes with core clock speeds of 1015 MHz on the GPU, and 1125 MHz on the 4096 MB of GDDR5 RAM. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have exactly the same bandwidth, so in theory they should perform exactly the same. (explain)

Texel Rate

The Radeon R9 M375X is much (approximately 77%) faster with regards to AF than the Radeon R9 M265X. (explain)

Radeon R9 M375X 40600 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 17600 (77%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 M375X is a better choice, and very much so. (explain)

Radeon R9 M375X 16240 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 7040 (77%)

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 M265X

Amazon.com

Check prices at:

Radeon R9 M375X

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 M265X Radeon R9 M375X
Manufacturer AMD AMD
Year May 1 2014 2015
Code Name Venus Pro Cape Verde
Memory 2048 MB 4096 MB
Core Speed 575 MHz 1015 MHz
Memory Speed 4500 MHz 4500 MHz
Power (Max TDP) (Unknown) watts (Unknown) watts
Bandwidth 72000 MB/sec 72000 MB/sec
Texel Rate 23000 Mtexels/sec 40600 Mtexels/sec
Pixel Rate 9200 Mpixels/sec 16240 Mpixels/sec
Unified Shaders 640 640
Texture Mapping Units 40 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 data (measured in MB per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, 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 amount of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's 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 output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 M265X

Amazon.com

Check prices at:

Radeon R9 M375X

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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