Radeon HD 4770 vs Radeon R7 M360

Intro

Compare all of that to the Radeon R7 M360, which features a clock frequency of 1125 MHz and a DDR3 memory frequency of 1000 MHz. It also uses a 64-bit bus, and uses a 28 nm design. It features 384 SPUs, 24 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 4770, in theory, should be much faster than the Radeon R7 M360 overall. (explain)

Radeon HD 4770		51200 MB/sec
Radeon R7 M360		16000 MB/sec
	Difference: 35200 (220%)

Texel Rate

The Radeon R7 M360 should be a little bit (about 13%) faster with regards to anisotropic filtering than the Radeon HD 4770. (explain)

Radeon R7 M360		27000 Mtexels/sec
Radeon HD 4770		24000 Mtexels/sec
	Difference: 3000 (13%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 4770 is superior to the Radeon R7 M360, by a large margin. (explain)

Radeon HD 4770		12000 Mpixels/sec
Radeon R7 M360		9000 Mpixels/sec
	Difference: 3000 (33%)

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 maximum amount of information (counted in megabytes per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better 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 texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.