GeForce GTX 860M vs Radeon R7 250

Intro

Compare those specs to the Radeon R7 250, which comes with GPU clock speed of 1000 MHz, and 1024 MB of GDDR5 RAM running at 1150 MHz through a 128-bit bus. It also features 384 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

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 860M		4340 points
Radeon R7 250		1836 points
	Difference: 2504 (136%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M		45 Watts
Radeon R7 250		65 Watts
	Difference: 20 Watts (44%)

Memory Bandwidth

Theoretically speaking, the Radeon R7 250 should be a little bit faster than the GeForce GTX 860M overall. (explain)

Radeon R7 250		73600 MB/sec
GeForce GTX 860M		64000 MB/sec
	Difference: 9600 (15%)

Texel Rate

The GeForce GTX 860M will be a lot (approximately 219%) better at texture filtering than the Radeon R7 250. (explain)

GeForce GTX 860M		76512 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 52512 (219%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 860M is the winner, and very much so. (explain)

GeForce GTX 860M		12752 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 4752 (59%)

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 maximum amount of information (measured in MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total number of texture units by the core clock 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 could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.