GeForce GTX 460 SE vs Radeon R7 240

Intro

Compare those specifications to the Radeon R7 240, which features a core clock frequency of 730 MHz and a DDR3 memory speed of 900 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It is made up of 320 SPUs, 20 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240		30 Watts
GeForce GTX 460 SE		150 Watts
	Difference: 120 Watts (400%)

Memory Bandwidth

The GeForce GTX 460 SE should theoretically be quite a bit faster than the Radeon R7 240 overall. (explain)

GeForce GTX 460 SE		108800 MB/sec
Radeon R7 240		28800 MB/sec
	Difference: 80000 (278%)

Texel Rate

The GeForce GTX 460 SE should be much (about 114%) faster with regards to AF than the Radeon R7 240. (explain)

GeForce GTX 460 SE		31200 Mtexels/sec
Radeon R7 240		14600 Mtexels/sec
	Difference: 16600 (114%)

Pixel Rate

The GeForce GTX 460 SE will be much (approximately 256%) better at anti-aliasing than the Radeon R7 240, and also capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 460 SE		20800 Mpixels/sec
Radeon R7 240		5840 Mpixels/sec
	Difference: 14960 (256%)

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 information (counted in MB per second) that can be moved past the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once 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, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.