Radeon R9 M380 vs Radeon RX 570

Intro

Compare all of that to the Radeon RX 570, which has clock speeds of 1168 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon RX 570 will be 139% faster than the Radeon R9 M380 overall, due to its higher bandwidth. (explain)

Radeon RX 570		229376 MB/sec
Radeon R9 M380		96000 MB/sec
	Difference: 133376 (139%)

Texel Rate

The Radeon RX 570 should be much (more or less 274%) more effective at anisotropic filtering than the Radeon R9 M380. (explain)

Radeon RX 570		149504 Mtexels/sec
Radeon R9 M380		40000 Mtexels/sec
	Difference: 109504 (274%)

Pixel Rate

The Radeon RX 570 should be much (approximately 134%) better at FSAA than the Radeon R9 M380, and also should be able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 570		37376 Mpixels/sec
Radeon R9 M380		16000 Mpixels/sec
	Difference: 21376 (134%)

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 largest amount of data (in units of megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.