GeForce GTX 870M vs Radeon R7 M260

Intro

Compare that to the Radeon R7 M260, which uses a 28 nm design. AMD has set the core speed at 715 MHz. The DDR3 RAM is set to run at a frequency of 1000 MHz on this card. It features 384 SPUs along with 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

GeForce GTX 870M		4770 points
Radeon R7 M260		1120 points
	Difference: 3650 (326%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GTX 870M should be a lot faster than the Radeon R7 M260 overall. (explain)

GeForce GTX 870M		96000 MB/sec
Radeon R7 M260		16000 MB/sec
	Difference: 80000 (500%)

Texel Rate

The GeForce GTX 870M will be a lot (about 514%) more effective at AF than the Radeon R7 M260. (explain)

GeForce GTX 870M		105392 Mtexels/sec
Radeon R7 M260		17160 Mtexels/sec
	Difference: 88232 (514%)

Pixel Rate

The GeForce GTX 870M will be quite a bit (approximately 295%) more effective at anti-aliasing than the Radeon R7 M260, and also able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 870M		22584 Mpixels/sec
Radeon R7 M260		5720 Mpixels/sec
	Difference: 16864 (295%)

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 max amount of information (in units of MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better 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 amount of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total number of texture units by the core clock 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 processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour 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 fill rate also depends on lots of 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.