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GeForce 8800 GT 256MB vs GeForce GT 440 3GB

Intro

The GeForce 8800 GT 256MB makes use of a 65 nm design. nVidia has set the core speed at 600 MHz. The GDDR3 RAM works at a speed of 700 MHz on this particular model. It features 112 SPUs along with 56 TAUs and 16 ROPs.

Compare those specs to the GeForce GT 440 3GB, which features clock speeds of 594 MHz on the GPU, and 900 MHz on the 3072 MB of GDDR3 memory. It features 144 SPUs along with 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 8800 GT 256MB 105 Watts
Difference: 49 Watts (88%)

Memory Bandwidth

The GeForce 8800 GT 256MB should theoretically be a bit faster than the GeForce GT 440 3GB in general. (explain)

GeForce 8800 GT 256MB 44800 MB/sec
GeForce GT 440 3GB 43200 MB/sec
Difference: 1600 (4%)

Texel Rate

The GeForce 8800 GT 256MB is much (about 136%) faster with regards to anisotropic filtering than the GeForce GT 440 3GB. (explain)

GeForce 8800 GT 256MB 33600 Mtexels/sec
GeForce GT 440 3GB 14256 Mtexels/sec
Difference: 19344 (136%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GT 440 3GB is a better choice, and very much so. (explain)

GeForce GT 440 3GB 14256 Mpixels/sec
GeForce 8800 GT 256MB 9600 Mpixels/sec
Difference: 4656 (49%)

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 8800 GT 256MB

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 8800 GT 256MB GeForce GT 440 3GB
Manufacturer nVidia nVidia
Year Dec 2007 October 2010
Code Name G92 GF106
Memory 256 MB 3072 MB
Core Speed 600 MHz 594 MHz
Memory Speed 1400 MHz 1800 MHz
Power (Max TDP) 105 watts 56 watts
Bandwidth 44800 MB/sec 43200 MB/sec
Texel Rate 33600 Mtexels/sec 14256 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 14256 Mpixels/sec
Unified Shaders 112 144
Texture Mapping Units 56 24
Render Output Units 16 24
Bus Type GDDR3 GDDR3
Bus Width 256-bit 192-bit
Fab Process 65 nm 40 nm
Transistors 754 million 1170 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the clock 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 output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 8800 GT 256MB

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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