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GeForce GT 240 GDDR5 vs GeForce GT 440 3GB

Intro

The GeForce GT 240 GDDR5 comes with a GPU core speed of 550 MHz, and the 512 MB of GDDR5 RAM runs at 850 MHz through a 128-bit bus. It also is made up of 96 SPUs, 32 Texture Address Units, and 8 Raster Operation Units.

Compare all of that to the GeForce GT 440 3GB, which has GPU clock speed of 594 MHz, and 3072 MB of GDDR3 memory set to run at 900 MHz through a 192-bit bus. It also is made up of 144 SPUs, 24 Texture Address Units, and 24 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB 56 Watts
GeForce GT 240 GDDR5 70 Watts
Difference: 14 Watts (25%)

Memory Bandwidth

Performance-wise, the GeForce GT 240 GDDR5 should in theory be much superior to the GeForce GT 440 3GB in general. (explain)

GeForce GT 240 GDDR5 54400 MB/sec
GeForce GT 440 3GB 43200 MB/sec
Difference: 11200 (26%)

Texel Rate

The GeForce GT 240 GDDR5 is quite a bit (more or less 23%) faster with regards to AF than the GeForce GT 440 3GB. (explain)

GeForce GT 240 GDDR5 17600 Mtexels/sec
GeForce GT 440 3GB 14256 Mtexels/sec
Difference: 3344 (23%)

Pixel Rate

The GeForce GT 440 3GB will be a lot (approximately 224%) faster with regards to full screen anti-aliasing than the GeForce GT 240 GDDR5, and should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GT 440 3GB 14256 Mpixels/sec
GeForce GT 240 GDDR5 4400 Mpixels/sec
Difference: 9856 (224%)

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

Check prices at:

GeForce GT 440 3GB

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.

Specifications

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Model GeForce GT 240 GDDR5 GeForce GT 440 3GB
Manufacturer nVidia nVidia
Year Novermber 2009 October 2010
Code Name GT215 GF106
Memory 512 MB 3072 MB
Core Speed 550 MHz 594 MHz
Memory Speed 3400 MHz 1800 MHz
Power (Max TDP) 70 watts 56 watts
Bandwidth 54400 MB/sec 43200 MB/sec
Texel Rate 17600 Mtexels/sec 14256 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 14256 Mpixels/sec
Unified Shaders 96 144
Texture Mapping Units 32 24
Render Output Units 8 24
Bus Type GDDR5 GDDR3
Bus Width 128-bit 192-bit
Fab Process 40 nm 40 nm
Transistors 289 million 1170 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, 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 number of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 240 GDDR5

Amazon.com

Check prices at:

GeForce GT 440 3GB

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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