Radeon HD 5850 vs Radeon R5 M230

Intro

Compare those specs to the Radeon R5 M230, which makes use of a 28 nm design. AMD has set the core frequency at 780 MHz. The DDR3 memory runs at a frequency of 1000 MHz on this particular card. It features 320 SPUs along with 20 Texture Address Units and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 5850 is 700% quicker than the Radeon R5 M230 overall, due to its higher bandwidth. (explain)

Radeon HD 5850		128000 MB/sec
Radeon R5 M230		16000 MB/sec
	Difference: 112000 (700%)

Texel Rate

The Radeon HD 5850 is quite a bit (approximately 235%) better at texture filtering than the Radeon R5 M230. (explain)

Radeon HD 5850		52200 Mtexels/sec
Radeon R5 M230		15600 Mtexels/sec
	Difference: 36600 (235%)

Pixel Rate

The Radeon HD 5850 is much (more or less 644%) better at FSAA than the Radeon R5 M230, and also will be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon HD 5850		23200 Mpixels/sec
Radeon R5 M230		3120 Mpixels/sec
	Difference: 20080 (644%)

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 (measured in MB per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR memory, it should 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.