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GeForce GT 440 1.5GB vs GeForce GTX 285 2GB

Intro

The GeForce GT 440 1.5GB uses a 40 nm design. nVidia has set the core frequency at 594 MHz. The GDDR3 RAM runs at a speed of 900 MHz on this specific card. It features 144 SPUs as well as 24 TAUs and 24 Rasterization Operator Units.

Compare that to the GeForce GTX 285 2GB, which features core clock speeds of 648 MHz on the GPU, and 1242 MHz on the 2048 MB of GDDR3 RAM. It features 240 SPUs along with 80 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB 56 Watts
GeForce GTX 285 2GB 204 Watts
Difference: 148 Watts (264%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 285 2GB should be 268% faster than the GeForce GT 440 1.5GB in general, due to its greater bandwidth. (explain)

GeForce GTX 285 2GB 158976 MB/sec
GeForce GT 440 1.5GB 43200 MB/sec
Difference: 115776 (268%)

Texel Rate

The GeForce GTX 285 2GB should be a lot (about 264%) faster with regards to texture filtering than the GeForce GT 440 1.5GB. (explain)

GeForce GTX 285 2GB 51840 Mtexels/sec
GeForce GT 440 1.5GB 14256 Mtexels/sec
Difference: 37584 (264%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 285 2GB is the winner, and very much so. (explain)

GeForce GTX 285 2GB 20736 Mpixels/sec
GeForce GT 440 1.5GB 14256 Mpixels/sec
Difference: 6480 (45%)

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 440 1.5GB

Amazon.com

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GeForce GTX 285 2GB

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 GT 440 1.5GB GeForce GTX 285 2GB
Manufacturer nVidia nVidia
Year October 2010 January 15, 2009
Code Name GF106 G200b
Memory 1536 MB 2048 MB
Core Speed 594 MHz 648 MHz
Memory Speed 1800 MHz 2484 MHz
Power (Max TDP) 56 watts 204 watts
Bandwidth 43200 MB/sec 158976 MB/sec
Texel Rate 14256 Mtexels/sec 51840 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 20736 Mpixels/sec
Unified Shaders 144 240
Texture Mapping Units 24 80
Render Output Units 24 32
Bus Type GDDR3 GDDR3
Bus Width 192-bit 512-bit
Fab Process 40 nm 55 nm
Transistors 1170 million 1400 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 11 DirectX 10
OpenGL Version OpenGL 4.1 OpenGL 3.1

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher 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 number of texture map elements (texels) that are applied per second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 amount of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 440 1.5GB

Amazon.com

Check prices at:

GeForce GTX 285 2GB

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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