GeForce GTX 460 1GB vs Radeon R7 240

Intro

Compare those specifications to the Radeon R7 240, which comes with core speeds of 730 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 memory. It features 320 SPUs along with 20 TAUs and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240		30 Watts
GeForce GTX 460 1GB		160 Watts
	Difference: 130 Watts (433%)

Memory Bandwidth

In theory, the GeForce GTX 460 1GB is 300% quicker than the Radeon R7 240 overall, due to its higher bandwidth. (explain)

GeForce GTX 460 1GB		115200 MB/sec
Radeon R7 240		28800 MB/sec
	Difference: 86400 (300%)

Texel Rate

The GeForce GTX 460 1GB will be quite a bit (more or less 159%) more effective at texture filtering than the Radeon R7 240. (explain)

GeForce GTX 460 1GB		37800 Mtexels/sec
Radeon R7 240		14600 Mtexels/sec
	Difference: 23200 (159%)

Pixel Rate

The GeForce GTX 460 1GB is quite a bit (more or less 270%) more effective at FSAA than the Radeon R7 240, and also should be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 460 1GB		21600 Mpixels/sec
Radeon R7 240		5840 Mpixels/sec
	Difference: 15760 (270%)

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 data (counted in megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total texture units by the core 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 one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.