Radeon HD 6790 vs Radeon R7 M260

Intro

Compare those specs to the Radeon R7 M260, which comes with clock speeds of 715 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 384 SPUs as well as 24 TAUs and 8 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 6790		2150 points
Radeon R7 M260		1120 points
	Difference: 1030 (92%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 6790, in theory, should be quite a bit faster than the Radeon R7 M260 in general. (explain)

Radeon HD 6790		134400 MB/sec
Radeon R7 M260		16000 MB/sec
	Difference: 118400 (740%)

Texel Rate

The Radeon HD 6790 should be a lot (approximately 96%) more effective at anisotropic filtering than the Radeon R7 M260. (explain)

Radeon HD 6790		33600 Mtexels/sec
Radeon R7 M260		17160 Mtexels/sec
	Difference: 16440 (96%)

Pixel Rate

The Radeon HD 6790 should be much (approximately 135%) faster with regards to full screen anti-aliasing than the Radeon R7 M260, and will be able to handle higher resolutions without slowing down too much. (explain)

Radeon HD 6790		13440 Mpixels/sec
Radeon R7 M260		5720 Mpixels/sec
	Difference: 7720 (135%)

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 MB per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 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, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs 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 many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.