Radeon R9 M375X vs Radeon RX Vega 64

Intro

Compare all of that to the Radeon RX Vega 64, which comes with core clock speeds of 1247 MHz on the GPU, and 1890 MHz on the 8192 MB of HBM2 RAM. It features 4096 SPUs along with 256 TAUs and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon RX Vega 64 should theoretically be a lot faster than the Radeon R9 M375X in general. (explain)

Radeon RX Vega 64		495411 MB/sec
Radeon R9 M375X		72000 MB/sec
	Difference: 423411 (588%)

Texel Rate

The Radeon RX Vega 64 will be quite a bit (about 686%) faster with regards to anisotropic filtering than the Radeon R9 M375X. (explain)

Radeon RX Vega 64		319232 Mtexels/sec
Radeon R9 M375X		40600 Mtexels/sec
	Difference: 278632 (686%)

Pixel Rate

The Radeon RX Vega 64 should be a lot (about 391%) better at full screen anti-aliasing than the Radeon R9 M375X, and also able to handle higher resolutions without losing too much performance. (explain)

Radeon RX Vega 64		79808 Mpixels/sec
Radeon R9 M375X		16240 Mpixels/sec
	Difference: 63568 (391%)

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

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.