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GeForce 8500 GT vs GeForce GT 440 3GB

Intro

The GeForce 8500 GT uses a 80 nm design. nVidia has set the core frequency at 450 MHz. The DDR2 memory is set to run at a speed of 400 MHz on this specific card. It features 16 SPUs as well as 8 Texture Address Units and 4 Rasterization Operator Units.

Compare that to the GeForce GT 440 3GB, which has a core clock speed of 594 MHz and a GDDR3 memory frequency of 900 MHz. It also features a 192-bit bus, and uses a 40 nm design. It is made up 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 8500 GT 45 Watts
GeForce GT 440 3GB 56 Watts
Difference: 11 Watts (24%)

Memory Bandwidth

Theoretically, the GeForce GT 440 3GB should be much faster than the GeForce 8500 GT overall. (explain)

GeForce GT 440 3GB 43200 MB/sec
GeForce 8500 GT 12800 MB/sec
Difference: 30400 (238%)

Texel Rate

The GeForce GT 440 3GB should be quite a bit (more or less 296%) faster with regards to anisotropic filtering than the GeForce 8500 GT. (explain)

GeForce GT 440 3GB 14256 Mtexels/sec
GeForce 8500 GT 3600 Mtexels/sec
Difference: 10656 (296%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GT 440 3GB is superior to the GeForce 8500 GT, by a large margin. (explain)

GeForce GT 440 3GB 14256 Mpixels/sec
GeForce 8500 GT 1800 Mpixels/sec
Difference: 12456 (692%)

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 8500 GT

Amazon.com

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GeForce GT 440 3GB

Amazon.com

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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 8500 GT GeForce GT 440 3GB
Manufacturer nVidia nVidia
Year April 2007 October 2010
Code Name G86 GF106
Memory 512 MB 3072 MB
Core Speed 450 MHz 594 MHz
Memory Speed 800 MHz 1800 MHz
Power (Max TDP) 45 watts 56 watts
Bandwidth 12800 MB/sec 43200 MB/sec
Texel Rate 3600 Mtexels/sec 14256 Mtexels/sec
Pixel Rate 1800 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 128-bit 192-bit
Fab Process 80 nm 40 nm
Transistors 210 million 1170 million
Bus PCIe x16, PCI, 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 (counted in MB per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 8500 GT

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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