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Radeon R9 M380 vs Radeon RX Vega 64

Intro

The Radeon R9 M380 has core speeds of 1000 MHz on the GPU, and 1500 MHz on the 4096 MB of GDDR5 RAM. It features 640 SPUs along with 40 Texture Address Units and 16 ROPs.

Compare all that to the Radeon RX Vega 64, which features a core clock frequency of 1247 MHz and a HBM2 memory speed of 1890 MHz. It also makes use of a 2048-bit memory bus, and makes use of a 14 nm design. It features 4096 SPUs, 256 TAUs, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon RX Vega 64, in theory, should be much faster than the Radeon R9 M380 overall. (explain)

Radeon RX Vega 64 495411 MB/sec
Radeon R9 M380 96000 MB/sec
Difference: 399411 (416%)

Texel Rate

The Radeon RX Vega 64 should be a lot (approximately 698%) faster with regards to texture filtering than the Radeon R9 M380. (explain)

Radeon RX Vega 64 319232 Mtexels/sec
Radeon R9 M380 40000 Mtexels/sec
Difference: 279232 (698%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX Vega 64 is a better choice, by far. (explain)

Radeon RX Vega 64 79808 Mpixels/sec
Radeon R9 M380 16000 Mpixels/sec
Difference: 63808 (399%)

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 M380

Amazon.com

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Radeon RX Vega 64

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 M380 Radeon RX Vega 64
Manufacturer AMD AMD
Year 2015 August 2017
Code Name Cape Verde Vega 10 XT
Memory 4096 MB 8192 MB
Core Speed 1000 MHz 1247 MHz
Memory Speed 6000 MHz 1890 MHz
Power (Max TDP) (Unknown) watts 295 watts
Bandwidth 96000 MB/sec 495411 MB/sec
Texel Rate 40000 Mtexels/sec 319232 Mtexels/sec
Pixel Rate 16000 Mpixels/sec 79808 Mpixels/sec
Unified Shaders 640 4096
Texture Mapping Units 40 256
Render Output Units 16 64
Bus Type GDDR5 HBM2
Bus Width 128-bit 2048-bit
Fab Process 28 nm 14 nm
Transistors (Unknown) million 12500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (in units of megabytes per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called 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 - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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Radeon R9 M380

Amazon.com

Check prices at:

Radeon RX Vega 64

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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