Radeon R9 M375 vs Radeon RX Vega 64

Intro

Compare all that to the Radeon RX Vega 64, which uses a 14 nm design. AMD has set the core speed at 1247 MHz. The HBM2 memory works at a speed of 1890 MHz on this specific model. It features 4096 SPUs along with 256 TAUs and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon RX Vega 64 should be 1307% quicker than the Radeon R9 M375 in general, due to its greater data rate. (explain)

Radeon RX Vega 64		495411 MB/sec
Radeon R9 M375		35200 MB/sec
	Difference: 460211 (1307%)

Texel Rate

The Radeon RX Vega 64 should be much (more or less 686%) better at AF than the Radeon R9 M375. (explain)

Radeon RX Vega 64		319232 Mtexels/sec
Radeon R9 M375		40600 Mtexels/sec
	Difference: 278632 (686%)

Pixel Rate

The Radeon RX Vega 64 should be quite a bit (about 391%) better at FSAA than the Radeon R9 M375, and also capable of handling higher screen resolutions more effectively. (explain)

Radeon RX Vega 64		79808 Mpixels/sec
Radeon R9 M375		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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR memory, the result 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 AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units 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 rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.