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Radeon R9 380 4G vs Radeon R9 M375

Intro

The Radeon R9 380 4G features core clock speeds of 970 MHz on the GPU, and 1425 MHz on the 4096 MB of GDDR5 memory. It features 1792 SPUs as well as 112 TAUs and 32 ROPs.

Compare all of that to the Radeon R9 M375, which has a clock frequency of 1015 MHz and a DDR3 memory speed of 1100 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 380 4G should perform much faster than the Radeon R9 M375 overall. (explain)

Radeon R9 380 4G 182400 MB/sec
Radeon R9 M375 35200 MB/sec
Difference: 147200 (418%)

Texel Rate

The Radeon R9 380 4G will be a lot (approximately 168%) better at anisotropic filtering than the Radeon R9 M375. (explain)

Radeon R9 380 4G 108640 Mtexels/sec
Radeon R9 M375 40600 Mtexels/sec
Difference: 68040 (168%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 380 4G is a better choice, and very much so. (explain)

Radeon R9 380 4G 31040 Mpixels/sec
Radeon R9 M375 16240 Mpixels/sec
Difference: 14800 (91%)

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 380 4G

Amazon.com

Check prices at:

Radeon R9 M375

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 380 4G Radeon R9 M375
Manufacturer AMD AMD
Year June 2015 2015
Code Name Antigua PRO Cape Verde
Memory 4096 MB 4096 MB
Core Speed 970 MHz 1015 MHz
Memory Speed 5700 MHz 2200 MHz
Power (Max TDP) 190 watts (Unknown) watts
Bandwidth 182400 MB/sec 35200 MB/sec
Texel Rate 108640 Mtexels/sec 40600 Mtexels/sec
Pixel Rate 31040 Mpixels/sec 16240 Mpixels/sec
Unified Shaders 1792 640
Texture Mapping Units 112 40
Render Output Units 32 16
Bus Type GDDR5 DDR3
Bus Width 256-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 5000 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 max amount of information (in units of megabytes per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 can be applied in one second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends 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 380 4G

Amazon.com

Check prices at:

Radeon R9 M375

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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