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Radeon R9 380 2G vs Radeon R9 M295X

Intro

The Radeon R9 380 2G comes with a GPU core clock speed of 970 MHz, and the 2048 MB of GDDR5 memory is set to run at 1425 MHz through a 256-bit bus. It also is made up of 1792 SPUs, 112 TAUs, and 32 ROPs.

Compare that to the Radeon R9 M295X, which has core clock speeds of 750 MHz on the GPU, and 1375 MHz on the 4096 MB of GDDR5 memory. It features 2048 SPUs along with 128 TAUs and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M295X 125 Watts
Radeon R9 380 2G 190 Watts
Difference: 65 Watts (52%)

Memory Bandwidth

In theory, the Radeon R9 380 2G is 4% quicker than the Radeon R9 M295X overall, due to its greater data rate. (explain)

Radeon R9 380 2G 182400 MB/sec
Radeon R9 M295X 176000 MB/sec
Difference: 6400 (4%)

Texel Rate

The Radeon R9 380 2G is a small bit (approximately 13%) better at AF than the Radeon R9 M295X. (explain)

Radeon R9 380 2G 108640 Mtexels/sec
Radeon R9 M295X 96000 Mtexels/sec
Difference: 12640 (13%)

Pixel Rate

The Radeon R9 380 2G is a lot (approximately 29%) faster with regards to full screen anti-aliasing than the Radeon R9 M295X, and also will be capable of handling higher resolutions without slowing down too much. (explain)

Radeon R9 380 2G 31040 Mpixels/sec
Radeon R9 M295X 24000 Mpixels/sec
Difference: 7040 (29%)

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 2G

Amazon.com

Check prices at:

Radeon R9 M295X

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 2G Radeon R9 M295X
Manufacturer AMD AMD
Year June 2015 2014
Code Name Antigua PRO Unknown
Memory 2048 MB 4096 MB
Core Speed 970 MHz 750 MHz
Memory Speed 5700 MHz 5500 MHz
Power (Max TDP) 190 watts 125 watts
Bandwidth 182400 MB/sec 176000 MB/sec
Texel Rate 108640 Mtexels/sec 96000 Mtexels/sec
Pixel Rate 31040 Mpixels/sec 24000 Mpixels/sec
Unified Shaders 1792 2048
Texture Mapping Units 112 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-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 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory speed. In the case of DDR type 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 high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 380 2G

Amazon.com

Check prices at:

Radeon R9 M295X

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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