GeForce GT 240 GDDR5 1GB vs GeForce GTX 980 Ti

Intro

Compare those specifications to the GeForce GTX 980 Ti, which has a clock speed of 1000 MHz and a GDDR5 memory speed of 1750 MHz. It also features a 384-bit bus, and makes use of a 28 nm design. It features 2816 SPUs, 176 Texture Address Units, and 96 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5 1GB		70 Watts
GeForce GTX 980 Ti		250 Watts
	Difference: 180 Watts (257%)

Memory Bandwidth

The GeForce GTX 980 Ti should theoretically perform much faster than the GeForce GT 240 GDDR5 1GB in general. (explain)

GeForce GTX 980 Ti		336000 MB/sec
GeForce GT 240 GDDR5 1GB		54400 MB/sec
	Difference: 281600 (518%)

Texel Rate

The GeForce GTX 980 Ti should be much (more or less 900%) more effective at anisotropic filtering than the GeForce GT 240 GDDR5 1GB. (explain)

GeForce GTX 980 Ti		176000 Mtexels/sec
GeForce GT 240 GDDR5 1GB		17600 Mtexels/sec
	Difference: 158400 (900%)

Pixel Rate

The GeForce GTX 980 Ti should be a lot (more or less 2082%) more effective at anti-aliasing than the GeForce GT 240 GDDR5 1GB, and will be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 980 Ti		96000 Mpixels/sec
GeForce GT 240 GDDR5 1GB		4400 Mpixels/sec
	Difference: 91600 (2082%)

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 over the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the 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 that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.