GeForce GT 240 GDDR5 1GB vs Radeon R9 M375

Intro

Compare all that to the Radeon R9 M375, which has a clock speed of 1015 MHz and a DDR3 memory frequency of 1100 MHz. It also uses a 128-bit bus, and makes use of a 28 nm design. It features 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GT 240 GDDR5 1GB will be 55% quicker than the Radeon R9 M375 in general, due to its higher data rate. (explain)

GeForce GT 240 GDDR5 1GB		54400 MB/sec
Radeon R9 M375		35200 MB/sec
	Difference: 19200 (55%)

Texel Rate

The Radeon R9 M375 should be a lot (about 131%) faster with regards to AF than the GeForce GT 240 GDDR5 1GB. (explain)

Radeon R9 M375		40600 Mtexels/sec
GeForce GT 240 GDDR5 1GB		17600 Mtexels/sec
	Difference: 23000 (131%)

Pixel Rate

The Radeon R9 M375 will be much (approximately 269%) more effective at FSAA than the GeForce GT 240 GDDR5 1GB, and also capable of handling higher resolutions more effectively. (explain)

Radeon R9 M375		16240 Mpixels/sec
GeForce GT 240 GDDR5 1GB		4400 Mpixels/sec
	Difference: 11840 (269%)

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: Bandwidth is the max amount of information (counted in megabytes per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

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