Radeon HD 5570 vs Radeon R9 M270X

Intro

Compare all that to the Radeon R9 M270X, which features GPU clock speed of 725 MHz, and 2048 MB of GDDR5 RAM set to run at 1125 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R9 M270X should theoretically be quite a bit better than the Radeon HD 5570 overall. (explain)

Radeon R9 M270X		72000 MB/sec
Radeon HD 5570		28800 MB/sec
	Difference: 43200 (150%)

Texel Rate

The Radeon R9 M270X should be much (more or less 123%) faster with regards to texture filtering than the Radeon HD 5570. (explain)

Radeon R9 M270X		29000 Mtexels/sec
Radeon HD 5570		13000 Mtexels/sec
	Difference: 16000 (123%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 M270X is superior to the Radeon HD 5570, and very much so. (explain)

Radeon R9 M270X		11600 Mpixels/sec
Radeon HD 5570		5200 Mpixels/sec
	Difference: 6400 (123%)

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 (measured in MB per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If it uses 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the video 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 most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated 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 is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.