GeForce GTX 880M vs Radeon R7 240

Intro

Compare that to the Radeon R7 240, which comes with a GPU core clock speed of 730 MHz, and 2048 MB of DDR3 RAM set to run at 900 MHz through a 128-bit bus. It also features 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 880M		6360 points
Radeon R7 240		1218 points
	Difference: 5142 (422%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240		30 Watts
GeForce GTX 880M		130 Watts
	Difference: 100 Watts (333%)

Memory Bandwidth

In theory, the GeForce GTX 880M will be 344% faster than the Radeon R7 240 in general, due to its greater data rate. (explain)

GeForce GTX 880M		128000 MB/sec
Radeon R7 240		28800 MB/sec
	Difference: 99200 (344%)

Texel Rate

The GeForce GTX 880M should be a lot (approximately 736%) more effective at texture filtering than the Radeon R7 240. (explain)

GeForce GTX 880M		122112 Mtexels/sec
Radeon R7 240		14600 Mtexels/sec
	Difference: 107512 (736%)

Pixel Rate

The GeForce GTX 880M should be a lot (more or less 423%) faster with regards to anti-aliasing than the Radeon R7 240, and also should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 880M		30528 Mpixels/sec
Radeon R7 240		5840 Mpixels/sec
	Difference: 24688 (423%)

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 (counted in megabytes per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the 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 can be processed per second. This 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.