Radeon R9 390 8G vs Radeon RX Vega 56

Intro

Compare all that to the Radeon RX Vega 56, which has GPU clock speed of 1156 MHz, and 8192 MB of HBM2 RAM running at 1600 MHz through a 2048-bit bus. It also is comprised of 3584 Stream Processors, 224 Texture Address Units, and 64 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX Vega 56		21011 points
Radeon R9 390 8G		12733 points
	Difference: 8278 (65%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX Vega 56		210 Watts
Radeon R9 390 8G		275 Watts
	Difference: 65 Watts (31%)

Memory Bandwidth

The Radeon RX Vega 56 should theoretically be a bit faster than the Radeon R9 390 8G in general. (explain)

Radeon RX Vega 56		419430 MB/sec
Radeon R9 390 8G		384000 MB/sec
	Difference: 35430 (9%)

Texel Rate

The Radeon RX Vega 56 is much (more or less 62%) more effective at AF than the Radeon R9 390 8G. (explain)

Radeon RX Vega 56		258944 Mtexels/sec
Radeon R9 390 8G		160000 Mtexels/sec
	Difference: 98944 (62%)

Pixel Rate

The Radeon RX Vega 56 should be just a bit (about 16%) better at anti-aliasing than the Radeon R9 390 8G, and capable of handling higher resolutions more effectively. (explain)

Radeon RX Vega 56		73984 Mpixels/sec
Radeon R9 390 8G		64000 Mpixels/sec
	Difference: 9984 (16%)

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 card's bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is worked out 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 handling 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 card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.