GeForce GT 240 GDDR5 vs GeForce GTX 560 Ti 448

Intro

Compare those specifications to the GeForce GTX 560 Ti 448, which makes use of a 40 nm design. nVidia has set the core frequency at 732 MHz. The GDDR5 RAM is set to run at a speed of 900 MHz on this specific model. It features 448 SPUs along with 56 Texture Address Units and 40 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5		70 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 140 Watts (200%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 Ti 448 should be a lot faster than the GeForce GT 240 GDDR5 in general. (explain)

GeForce GTX 560 Ti 448		144000 MB/sec
GeForce GT 240 GDDR5		54400 MB/sec
	Difference: 89600 (165%)

Texel Rate

The GeForce GTX 560 Ti 448 should be quite a bit (approximately 133%) faster with regards to anisotropic filtering than the GeForce GT 240 GDDR5. (explain)

GeForce GTX 560 Ti 448		40992 Mtexels/sec
GeForce GT 240 GDDR5		17600 Mtexels/sec
	Difference: 23392 (133%)

Pixel Rate

The GeForce GTX 560 Ti 448 should be quite a bit (more or less 565%) faster with regards to full screen anti-aliasing than the GeForce GT 240 GDDR5, and also should be able to handle higher screen resolutions better. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
GeForce GT 240 GDDR5		4400 Mpixels/sec
	Difference: 24880 (565%)

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 data (counted in MB per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the bus width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 number of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

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