Radeon RX 560 vs Radeon RX Vega 64

Intro

Compare all of that to the Radeon RX Vega 64, which has core clock speeds of 1247 MHz on the GPU, and 1890 MHz on the 8192 MB of HBM2 RAM. It features 4096 SPUs as well as 256 TAUs and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 560		80 Watts
Radeon RX Vega 64		295 Watts
	Difference: 215 Watts (269%)

Memory Bandwidth

The Radeon RX Vega 64 should in theory perform a lot faster than the Radeon RX 560 overall. (explain)

Radeon RX Vega 64		495411 MB/sec
Radeon RX 560		114688 MB/sec
	Difference: 380723 (332%)

Texel Rate

The Radeon RX Vega 64 is a lot (about 325%) more effective at texture filtering than the Radeon RX 560. (explain)

Radeon RX Vega 64		319232 Mtexels/sec
Radeon RX 560		75200 Mtexels/sec
	Difference: 244032 (325%)

Pixel Rate

The Radeon RX Vega 64 will be a lot (approximately 325%) faster with regards to FSAA than the Radeon RX 560, and also should be able to handle higher resolutions without slowing down too much. (explain)

Radeon RX Vega 64		79808 Mpixels/sec
Radeon RX 560		18800 Mpixels/sec
	Difference: 61008 (325%)

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 data (counted in MB per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once 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 high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total number of texture units by the core clock 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 in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output 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 ability to get to the max fill rate.