GeForce GTX 850M vs Radeon R7 240

Intro

Compare those specs to the Radeon R7 240, which features a clock frequency of 730 MHz and a DDR3 memory frequency of 900 MHz. It also uses a 128-bit bus, and makes use of a 28 nm design. It is made up of 320 SPUs, 20 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 850M		3340 points
Radeon R7 240		1218 points
	Difference: 2122 (174%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240		30 Watts
GeForce GTX 850M		40 Watts
	Difference: 10 Watts (33%)

Memory Bandwidth

The GeForce GTX 850M should in theory be a bit faster than the Radeon R7 240 in general. (explain)

GeForce GTX 850M		32000 MB/sec
Radeon R7 240		28800 MB/sec
	Difference: 3200 (11%)

Texel Rate

The GeForce GTX 850M will be much (more or less 140%) better at AF than the Radeon R7 240. (explain)

GeForce GTX 850M		35040 Mtexels/sec
Radeon R7 240		14600 Mtexels/sec
	Difference: 20440 (140%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 850M is the winner, and very much so. (explain)

GeForce GTX 850M		14016 Mpixels/sec
Radeon R7 240		5840 Mpixels/sec
	Difference: 8176 (140%)

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 (in units of megabytes per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.