Radeon R9 M365X vs Radeon RX Vega 64

Intro

Compare those specifications to the Radeon RX Vega 64, which has a GPU core clock speed of 1247 MHz, and 8192 MB of HBM2 memory set to run at 1890 MHz through a 2048-bit bus. It also is comprised of 4096 Stream Processors, 256 TAUs, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon RX Vega 64 should perform quite a bit faster than the Radeon R9 M365X in general. (explain)

Radeon RX Vega 64		495411 MB/sec
Radeon R9 M365X		72000 MB/sec
	Difference: 423411 (588%)

Texel Rate

The Radeon RX Vega 64 should be quite a bit (about 763%) more effective at anisotropic filtering than the Radeon R9 M365X. (explain)

Radeon RX Vega 64		319232 Mtexels/sec
Radeon R9 M365X		37000 Mtexels/sec
	Difference: 282232 (763%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX Vega 64 is a better choice, by a large margin. (explain)

Radeon RX Vega 64		79808 Mpixels/sec
Radeon R9 M365X		14800 Mpixels/sec
	Difference: 65008 (439%)

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 maximum amount of data (measured in MB per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's 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 can be applied in one second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.