Radeon HD 6750 vs Radeon R7 M260

Intro

Compare those specifications to the Radeon R7 M260, which comes with a core clock speed of 715 MHz and a DDR3 memory frequency of 1000 MHz. It also uses a 64-bit bus, and makes use of 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

Performance-wise, the Radeon HD 6750 should theoretically be quite a bit better than the Radeon R7 M260 overall. (explain)

Radeon HD 6750		64000 MB/sec
Radeon R7 M260		16000 MB/sec
	Difference: 48000 (300%)

Texel Rate

The Radeon HD 6750 will be quite a bit (about 52%) more effective at anisotropic filtering than the Radeon R7 M260. (explain)

Radeon HD 6750		26100 Mtexels/sec
Radeon R7 M260		17160 Mtexels/sec
	Difference: 8940 (52%)

Pixel Rate

The Radeon HD 6750 is a lot (about 103%) better at anti-aliasing than the Radeon R7 M260, and should be able to handle higher resolutions more effectively. (explain)

Radeon HD 6750		11600 Mpixels/sec
Radeon R7 M260		5720 Mpixels/sec
	Difference: 5880 (103%)

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 information (in units of MB per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.