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GeForce GT 310 vs GeForce GT 440 3GB

Intro

The GeForce GT 310 comes with core clock speeds of 589 MHz on the GPU, and 1000 MHz on the 512 MB of DDR2 RAM. It features 16 SPUs along with 8 Texture Address Units and 4 Rasterization Operator Units.

Compare that to the GeForce GT 440 3GB, which has GPU core speed of 594 MHz, and 3072 MB of GDDR3 RAM set to run at 900 MHz through a 192-bit bus. It also is made up of 144 Stream Processors, 24 TAUs, and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 310 31 Watts
GeForce GT 440 3GB 56 Watts
Difference: 25 Watts (81%)

Memory Bandwidth

Theoretically, the GeForce GT 440 3GB should perform quite a bit faster than the GeForce GT 310 overall. (explain)

GeForce GT 440 3GB 43200 MB/sec
GeForce GT 310 16000 MB/sec
Difference: 27200 (170%)

Texel Rate

The GeForce GT 440 3GB is a lot (more or less 203%) more effective at AF than the GeForce GT 310. (explain)

GeForce GT 440 3GB 14256 Mtexels/sec
GeForce GT 310 4712 Mtexels/sec
Difference: 9544 (203%)

Pixel Rate

The GeForce GT 440 3GB is much (approximately 505%) more effective at full screen anti-aliasing than the GeForce GT 310, and also able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GT 440 3GB 14256 Mpixels/sec
GeForce GT 310 2356 Mpixels/sec
Difference: 11900 (505%)

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 310

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 310 GeForce GT 440 3GB
Manufacturer nVidia nVidia
Year November 2009 October 2010
Code Name GT218 GF106
Memory 512 MB 3072 MB
Core Speed 589 MHz 594 MHz
Memory Speed 2000 MHz 1800 MHz
Power (Max TDP) 31 watts 56 watts
Bandwidth 16000 MB/sec 43200 MB/sec
Texel Rate 4712 Mtexels/sec 14256 Mtexels/sec
Pixel Rate 2356 Mpixels/sec 14256 Mpixels/sec
Unified Shaders 16 144
Texture Mapping Units 8 24
Render Output Units 4 24
Bus Type DDR2 GDDR3
Bus Width 64-bit 192-bit
Fab Process 40 nm 40 nm
Transistors 260 million 1170 million
Bus PCIe 2.0 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 once 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 anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 310

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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