Radeon HD 3850 512MB vs Radeon R5 M230

Intro

Compare those specifications to the Radeon R5 M230, which has a clock frequency of 780 MHz and a DDR3 memory speed of 1000 MHz. It also makes use of a 64-bit bus, and uses a 28 nm design. It features 320 SPUs, 20 Texture Address Units, and 4 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 3850 512MB should theoretically perform much faster than the Radeon R5 M230 overall. (explain)

Radeon HD 3850 512MB		52992 MB/sec
Radeon R5 M230		16000 MB/sec
	Difference: 36992 (231%)

Texel Rate

The Radeon R5 M230 is a lot (about 46%) faster with regards to AF than the Radeon HD 3850 512MB. (explain)

Radeon R5 M230		15600 Mtexels/sec
Radeon HD 3850 512MB		10688 Mtexels/sec
	Difference: 4912 (46%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon HD 3850 512MB is superior to the Radeon R5 M230, by far. (explain)

Radeon HD 3850 512MB		10688 Mpixels/sec
Radeon R5 M230		3120 Mpixels/sec
	Difference: 7568 (243%)

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 information (in units of MB per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, 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 of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. 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, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.