Radeon HD 6750 1GB vs Radeon R9 M380

Intro

Compare all that to the Radeon R9 M380, which features a core clock speed of 1000 MHz and a GDDR5 memory speed of 1500 MHz. It also features a 128-bit bus, and uses a 28 nm design. It is comprised of 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R9 M380 should in theory be quite a bit better than the Radeon HD 6750 1GB in general. (explain)

Radeon R9 M380		96000 MB/sec
Radeon HD 6750 1GB		64000 MB/sec
	Difference: 32000 (50%)

Texel Rate

The Radeon R9 M380 is a lot (about 53%) more effective at anisotropic filtering than the Radeon HD 6750 1GB. (explain)

Radeon R9 M380		40000 Mtexels/sec
Radeon HD 6750 1GB		26100 Mtexels/sec
	Difference: 13900 (53%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon R9 M380 is the winner, by far. (explain)

Radeon R9 M380		16000 Mpixels/sec
Radeon HD 6750 1GB		11600 Mpixels/sec
	Difference: 4400 (38%)

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 (counted in MB per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 worked out by multiplying the total texture units of the card by the core speed of the chip. The higher 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 a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.