GeForce GT 240 GDDR5 vs GeForce GTX 960

Intro

Compare those specifications to the GeForce GTX 960, which has a clock speed of 1127 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 128-bit bus, and makes use of a 28 nm design. It features 1024 SPUs, 64 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5		70 Watts
GeForce GTX 960		120 Watts
	Difference: 50 Watts (71%)

Memory Bandwidth

The GeForce GTX 960, in theory, should perform quite a bit faster than the GeForce GT 240 GDDR5 in general. (explain)

GeForce GTX 960		112000 MB/sec
GeForce GT 240 GDDR5		54400 MB/sec
	Difference: 57600 (106%)

Texel Rate

The GeForce GTX 960 should be much (about 310%) faster with regards to AF than the GeForce GT 240 GDDR5. (explain)

GeForce GTX 960		72128 Mtexels/sec
GeForce GT 240 GDDR5		17600 Mtexels/sec
	Difference: 54528 (310%)

Pixel Rate

The GeForce GTX 960 is a lot (approximately 720%) more effective at AA than the GeForce GT 240 GDDR5, and also will be capable of handling higher resolutions better. (explain)

GeForce GTX 960		36064 Mpixels/sec
GeForce GT 240 GDDR5		4400 Mpixels/sec
	Difference: 31664 (720%)

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 maximum amount of data (in units of MB per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.