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Radeon R7 250 vs Radeon R9 M370X

Intro

The Radeon R7 250 features a clock frequency of 1000 MHz and a GDDR5 memory frequency of 1150 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It features 384 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

Compare those specifications to the Radeon R9 M370X, which features clock speeds of 800 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 memory. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R7 250 is 2% quicker than the Radeon R9 M370X overall, due to its greater data rate. (explain)

Radeon R7 250 73600 MB/sec
Radeon R9 M370X 72000 MB/sec
Difference: 1600 (2%)

Texel Rate

The Radeon R9 M370X will be quite a bit (about 33%) better at anisotropic filtering than the Radeon R7 250. (explain)

Radeon R9 M370X 32000 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 8000 (33%)

Pixel Rate

The Radeon R9 M370X will be quite a bit (more or less 60%) better at AA than the Radeon R7 250, and will be able to handle higher resolutions while still performing well. (explain)

Radeon R9 M370X 12800 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 4800 (60%)

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 250

Amazon.com

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Radeon R9 M370X

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 250 Radeon R9 M370X
Manufacturer AMD AMD
Year October 2013 2015
Code Name Oland XT Cape Verde
Memory 1024 MB 2048 MB
Core Speed 1000 MHz 800 MHz
Memory Speed 4600 MHz 4500 MHz
Power (Max TDP) 65 watts (Unknown) watts
Bandwidth 73600 MB/sec 72000 MB/sec
Texel Rate 24000 Mtexels/sec 32000 Mtexels/sec
Pixel Rate 8000 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 384 640
Texture Mapping Units 24 40
Render Output Units 8 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1040 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 (in units of MB per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total amount of texture units 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the card's clock speed. 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 quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon R7 250

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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