Radeon HD 5570 vs Radeon R9 M380

Intro

Compare that to the Radeon R9 M380, which features a clock frequency of 1000 MHz and a GDDR5 memory frequency of 1500 MHz. It also uses a 128-bit bus, and makes use of a 28 nm design. It features 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 M380 should in theory be a lot faster than the Radeon HD 5570 overall. (explain)

Radeon R9 M380		96000 MB/sec
Radeon HD 5570		28800 MB/sec
	Difference: 67200 (233%)

Texel Rate

The Radeon R9 M380 is a lot (about 208%) more effective at texture filtering than the Radeon HD 5570. (explain)

Radeon R9 M380		40000 Mtexels/sec
Radeon HD 5570		13000 Mtexels/sec
	Difference: 27000 (208%)

Pixel Rate

The Radeon R9 M380 should be quite a bit (about 208%) faster with regards to full screen anti-aliasing than the Radeon HD 5570, and also will be able to handle higher resolutions without slowing down too much. (explain)

Radeon R9 M380		16000 Mpixels/sec
Radeon HD 5570		5200 Mpixels/sec
	Difference: 10800 (208%)

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 maximum amount of data (counted in MB per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock 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 faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the video 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 most pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.