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Radeon R9 295X2 vs Radeon R9 M380

Intro

The Radeon R9 295X2 comes with a GPU core clock speed of 1018 MHz, and the 4096 MB of GDDR5 memory is set to run at 1250 MHz through a 512-bit bus. It also features 2816 SPUs, 176 Texture Address Units, and 64 ROPs.

Compare those specifications to the Radeon R9 M380, which has a GPU core clock speed of 1000 MHz, and 4096 MB of GDDR5 RAM set to run at 1500 MHz through a 128-bit bus. It also is made up of 640 Stream Processors, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 295X2 should be 567% quicker than the Radeon R9 M380 in general, because of its greater data rate. (explain)

Radeon R9 295X2 640000 MB/sec
Radeon R9 M380 96000 MB/sec
Difference: 544000 (567%)

Texel Rate

The Radeon R9 295X2 should be a lot (more or less 796%) faster with regards to texture filtering than the Radeon R9 M380. (explain)

Radeon R9 295X2 358336 Mtexels/sec
Radeon R9 M380 40000 Mtexels/sec
Difference: 318336 (796%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 295X2 is a better choice, by far. (explain)

Radeon R9 295X2 130304 Mpixels/sec
Radeon R9 M380 16000 Mpixels/sec
Difference: 114304 (714%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon R9 295X2

Amazon.com

Check prices at:

Radeon R9 M380

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 295X2 Radeon R9 M380
Manufacturer AMD AMD
Year April 2014 2015
Code Name Vesuvius Cape Verde
Memory 4096 MB (x2) 4096 MB
Core Speed 1018 MHz (x2) 1000 MHz
Memory Speed 5000 MHz (x2) 6000 MHz
Power (Max TDP) 500 watts (Unknown) watts
Bandwidth 640000 MB/sec 96000 MB/sec
Texel Rate 358336 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 130304 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 2816 (x2) 640
Texture Mapping Units 176 (x2) 40
Render Output Units 64 (x2) 16
Bus Type GDDR5 GDDR5
Bus Width 512-bit (x2) 128-bit
Fab Process 28 nm 28 nm
Transistors 6200 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 max amount of data (counted in MB per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the 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 per second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

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

Display Prices

Hide Prices

Radeon R9 295X2

Amazon.com

Check prices at:

Radeon R9 M380

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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