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GeForce GT 240 GDDR5 vs GeForce GTX 660 Ti

Intro

The GeForce GT 240 GDDR5 makes use of a 40 nm design. nVidia has set the core frequency at 550 MHz. The GDDR5 memory is set to run at a frequency of 850 MHz on this card. It features 96 SPUs along with 32 TAUs and 8 ROPs.

Compare all of that to the GeForce GTX 660 Ti, which makes use of a 28 nm design. nVidia has clocked the core speed at 915 MHz. The GDDR5 RAM works at a frequency of 1500 MHz on this model. It features 1344 SPUs along with 112 Texture Address Units and 24 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5 70 Watts
GeForce GTX 660 Ti 150 Watts
Difference: 80 Watts (114%)

Memory Bandwidth

Performance-wise, the GeForce GTX 660 Ti should theoretically be much better than the GeForce GT 240 GDDR5 in general. (explain)

GeForce GTX 660 Ti 144000 MB/sec
GeForce GT 240 GDDR5 54400 MB/sec
Difference: 89600 (165%)

Texel Rate

The GeForce GTX 660 Ti is a lot (approximately 482%) more effective at AF than the GeForce GT 240 GDDR5. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GT 240 GDDR5 17600 Mtexels/sec
Difference: 84880 (482%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 660 Ti is a better choice, by a large margin. (explain)

GeForce GTX 660 Ti 21960 Mpixels/sec
GeForce GT 240 GDDR5 4400 Mpixels/sec
Difference: 17560 (399%)

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

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GeForce GT 240 GDDR5

Amazon.com

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GeForce GTX 660 Ti

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GT 240 GDDR5 GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year Novermber 2009 August 2012
Code Name GT215 GK104
Memory 512 MB 2048 MB
Core Speed 550 MHz 915 MHz
Memory Speed 3400 MHz 6000 MHz
Power (Max TDP) 70 watts 150 watts
Bandwidth 54400 MB/sec 144000 MB/sec
Texel Rate 17600 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 21960 Mpixels/sec
Unified Shaders 96 1344
Texture Mapping Units 32 112
Render Output Units 8 24
Bus Type GDDR5 GDDR5
Bus Width 128-bit 192-bit
Fab Process 40 nm 28 nm
Transistors 289 million 3540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.0
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 amount of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total texture units of the card by the core clock 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 processed in one second.

Pixel Rate: Pixel rate is the most 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 Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GT 240 GDDR5

Amazon.com

Check prices at:

GeForce GTX 660 Ti

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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