GeForce RTX 2080 vs Radeon R9 M380

Intro

Compare all of that to the Radeon R9 M380, which has a clock speed of 1000 MHz and a GDDR5 memory frequency of 1500 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It is comprised of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the GeForce RTX 2080 should perform a lot faster than the Radeon R9 M380 overall. (explain)

GeForce RTX 2080		458752 MB/sec
Radeon R9 M380		96000 MB/sec
	Difference: 362752 (378%)

Texel Rate

The GeForce RTX 2080 is quite a bit (more or less 597%) better at anisotropic filtering than the Radeon R9 M380. (explain)

GeForce RTX 2080		278760 Mtexels/sec
Radeon R9 M380		40000 Mtexels/sec
	Difference: 238760 (597%)

Pixel Rate

The GeForce RTX 2080 should be much (approximately 506%) more effective at AA than the Radeon R9 M380, and capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce RTX 2080		96960 Mpixels/sec
Radeon R9 M380		16000 Mpixels/sec
	Difference: 80960 (506%)

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 data (counted in megabytes per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the 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 chip can possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.