Radeon R7 250 vs Radeon RX Vega 56

Intro

Compare all that to the Radeon RX Vega 56, which comes with a clock frequency of 1156 MHz and a HBM2 memory speed of 1600 MHz. It also features a 2048-bit memory bus, and makes use of a 14 nm design. It is comprised of 3584 SPUs, 224 Texture Address Units, and 64 Raster Operation Units.

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 R7 250		1836 points
	Difference: 19175 (1044%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250		65 Watts
Radeon RX Vega 56		210 Watts
	Difference: 145 Watts (223%)

Memory Bandwidth

Theoretically speaking, the Radeon RX Vega 56 is 470% faster than the Radeon R7 250 overall, due to its higher bandwidth. (explain)

Radeon RX Vega 56		419430 MB/sec
Radeon R7 250		73600 MB/sec
	Difference: 345830 (470%)

Texel Rate

The Radeon RX Vega 56 should be a lot (more or less 979%) faster with regards to anisotropic filtering than the Radeon R7 250. (explain)

Radeon RX Vega 56		258944 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 234944 (979%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX Vega 56 is superior to the Radeon R7 250, and very much so. (explain)

Radeon RX Vega 56		73984 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 65984 (825%)

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 max amount of information (counted in MB per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the 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 chip could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.