Radeon RX 470 4GB vs Radeon VII

Intro

Compare all that to the Radeon VII, which comes with a clock speed of 1400 MHz and a HBM2 memory speed of 1000 MHz. It also features a 4096-bit memory bus, and uses a 7 nm design. It is made up of 3840 SPUs, 240 TAUs, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB		120 Watts
Radeon VII		295 Watts
	Difference: 175 Watts (146%)

Memory Bandwidth

In theory, the Radeon VII is 396% quicker than the Radeon RX 470 4GB in general, because of its greater data rate. (explain)

Radeon VII		1048576 MB/sec
Radeon RX 470 4GB		211200 MB/sec
	Difference: 837376 (396%)

Texel Rate

The Radeon VII should be a lot (approximately 183%) faster with regards to AF than the Radeon RX 470 4GB. (explain)

Radeon VII		336000 Mtexels/sec
Radeon RX 470 4GB		118528 Mtexels/sec
	Difference: 217472 (183%)

Pixel Rate

The Radeon VII will be a lot (approximately 202%) faster with regards to full screen anti-aliasing than the Radeon RX 470 4GB, and should be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon VII		89600 Mpixels/sec
Radeon RX 470 4GB		29632 Mpixels/sec
	Difference: 59968 (202%)

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 max amount of data (measured in megabytes per second) that can be moved past the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, it should 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better 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 maximum amount of pixels 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 Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.