Radeon RX 5700 vs Radeon RX Vega 64

Intro

Compare all that to the Radeon RX Vega 64, which features a core clock speed of 1247 MHz and a HBM2 memory speed of 1890 MHz. It also uses a 2048-bit bus, and makes use of a 14 nm design. It is made up of 4096 SPUs, 256 Texture Address Units, and 64 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5700		180 Watts
Radeon RX Vega 64		295 Watts
	Difference: 115 Watts (64%)

Memory Bandwidth

In theory, the Radeon RX Vega 64 will be 8% quicker than the Radeon RX 5700 in general, due to its greater bandwidth. (explain)

Radeon RX Vega 64		495411 MB/sec
Radeon RX 5700		458752 MB/sec
	Difference: 36659 (8%)

Texel Rate

The Radeon RX Vega 64 will be a lot (approximately 51%) more effective at AF than the Radeon RX 5700. (explain)

Radeon RX Vega 64		319232 Mtexels/sec
Radeon RX 5700		210960 Mtexels/sec
	Difference: 108272 (51%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 5700 is superior to the Radeon RX Vega 64, but not by far. (explain)

Radeon RX 5700		93760 Mpixels/sec
Radeon RX Vega 64		79808 Mpixels/sec
	Difference: 13952 (17%)

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 moved over the external memory interface within a second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 are applied per second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines 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 rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.