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GeForce GT 310 vs GeForce GT 440 1.5GB

Intro

The GeForce GT 310 features a clock frequency of 589 MHz and a DDR2 memory frequency of 1000 MHz. It also features a 64-bit bus, and makes use of a 40 nm design. It features 16 SPUs, 8 TAUs, and 4 ROPs.

Compare all that to the GeForce GT 440 1.5GB, which comes with GPU clock speed of 594 MHz, and 1536 MB of GDDR3 RAM running at 900 MHz through a 192-bit bus. It also features 144 SPUs, 24 Texture Address Units, and 24 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 310 31 Watts
GeForce GT 440 1.5GB 56 Watts
Difference: 25 Watts (81%)

Memory Bandwidth

The GeForce GT 440 1.5GB should theoretically perform quite a bit faster than the GeForce GT 310 in general. (explain)

GeForce GT 440 1.5GB 43200 MB/sec
GeForce GT 310 16000 MB/sec
Difference: 27200 (170%)

Texel Rate

The GeForce GT 440 1.5GB is a lot (more or less 203%) better at anisotropic filtering than the GeForce GT 310. (explain)

GeForce GT 440 1.5GB 14256 Mtexels/sec
GeForce GT 310 4712 Mtexels/sec
Difference: 9544 (203%)

Pixel Rate

The GeForce GT 440 1.5GB is a lot (about 505%) faster with regards to anti-aliasing than the GeForce GT 310, and also will be able to handle higher screen resolutions better. (explain)

GeForce GT 440 1.5GB 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 1.5GB

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 1.5GB
Manufacturer nVidia nVidia
Year November 2009 October 2010
Code Name GT218 GF106
Memory 512 MB 1536 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: Bandwidth is the max amount of data (measured in MB per second) that can be transported across the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the 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 most pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GT 310

Amazon.com

Check prices at:

GeForce GT 440 1.5GB

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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