Radeon HD 6850 vs Radeon R5 M230

Intro

Compare all that to the Radeon R5 M230, which comes with a clock frequency of 780 MHz and a DDR3 memory frequency of 1000 MHz. It also uses a 64-bit memory bus, and uses a 28 nm design. It is comprised of 320 SPUs, 20 TAUs, and 4 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon HD 6850		2395 points
Radeon R5 M230		1281 points
	Difference: 1114 (87%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 6850, in theory, should perform much faster than the Radeon R5 M230 in general. (explain)

Radeon HD 6850		128000 MB/sec
Radeon R5 M230		16000 MB/sec
	Difference: 112000 (700%)

Texel Rate

The Radeon HD 6850 is a lot (approximately 138%) faster with regards to texture filtering than the Radeon R5 M230. (explain)

Radeon HD 6850		37200 Mtexels/sec
Radeon R5 M230		15600 Mtexels/sec
	Difference: 21600 (138%)

Pixel Rate

The Radeon HD 6850 should be a lot (approximately 695%) better at FSAA than the Radeon R5 M230, and also will be able to handle higher resolutions more effectively. (explain)

Radeon HD 6850		24800 Mpixels/sec
Radeon R5 M230		3120 Mpixels/sec
	Difference: 21680 (695%)

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 largest amount of data (counted in megabytes per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.