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Radeon R9 M265X vs Radeon R9 M375X

Intro

The Radeon R9 M265X features clock speeds of 575 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 memory. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the Radeon R9 M375X, which features a clock frequency of 1015 MHz and a GDDR5 memory speed of 1125 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should perform the same. (explain)

Texel Rate

The Radeon R9 M375X will be much (more or less 77%) faster with regards to texture filtering than the Radeon R9 M265X. (explain)

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

Pixel Rate

The Radeon R9 M375X is quite a bit (more or less 77%) better at FSAA than the Radeon R9 M265X, and should be capable of handling higher resolutions more effectively. (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

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Radeon R9 M375X

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 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: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better 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 texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, 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 most pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs 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 fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max 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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