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GeForce 8800 GT 256MB vs GeForce GT 440 1.5GB

Intro

The GeForce 8800 GT 256MB has a core clock speed of 600 MHz and a GDDR3 memory frequency of 700 MHz. It also features a 256-bit memory bus, and uses a 65 nm design. It is made up of 112 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the GeForce GT 440 1.5GB, which comes with a core clock speed of 594 MHz and a GDDR3 memory speed of 900 MHz. It also features a 192-bit bus, and uses a 40 nm design. It is comprised of 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 440 1.5GB 56 Watts
GeForce 8800 GT 256MB 105 Watts
Difference: 49 Watts (88%)

Memory Bandwidth

In theory, the GeForce 8800 GT 256MB will be 4% quicker than the GeForce GT 440 1.5GB in general, because of its greater data rate. (explain)

GeForce 8800 GT 256MB 44800 MB/sec
GeForce GT 440 1.5GB 43200 MB/sec
Difference: 1600 (4%)

Texel Rate

The GeForce 8800 GT 256MB is much (approximately 136%) better at AF than the GeForce GT 440 1.5GB. (explain)

GeForce 8800 GT 256MB 33600 Mtexels/sec
GeForce GT 440 1.5GB 14256 Mtexels/sec
Difference: 19344 (136%)

Pixel Rate

The GeForce GT 440 1.5GB is much (about 49%) more effective at AA than the GeForce 8800 GT 256MB, and also will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GT 440 1.5GB 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 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 8800 GT 256MB GeForce GT 440 1.5GB
Manufacturer nVidia nVidia
Year Dec 2007 October 2010
Code Name G92 GF106
Memory 256 MB 1536 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: Bandwidth is the max amount of data (measured in megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range 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 amount of texture units by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the core 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 rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 256MB

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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