Radeon R9 380 4G vs Radeon RX 5700

Intro

Compare all of that to the Radeon RX 5700, which uses a 7 nm design. AMD has clocked the core speed at 1465 MHz. The GDDR6 RAM runs at a frequency of 1750 MHz on this particular card. It features 2304 SPUs as well as 144 TAUs and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5700		180 Watts
Radeon R9 380 4G		190 Watts
	Difference: 10 Watts (6%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 5700 should be 152% quicker than the Radeon R9 380 4G overall, because of its higher data rate. (explain)

Radeon RX 5700		458752 MB/sec
Radeon R9 380 4G		182400 MB/sec
	Difference: 276352 (152%)

Texel Rate

The Radeon RX 5700 should be a lot (approximately 94%) better at AF than the Radeon R9 380 4G. (explain)

Radeon RX 5700		210960 Mtexels/sec
Radeon R9 380 4G		108640 Mtexels/sec
	Difference: 102320 (94%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 5700 is superior to the Radeon R9 380 4G, by far. (explain)

Radeon RX 5700		93760 Mpixels/sec
Radeon R9 380 4G		31040 Mpixels/sec
	Difference: 62720 (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 largest amount of information (measured in megabytes per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total amount of texture units 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.