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GeForce GT 440 3GB vs Radeon HD 3850 1GB

Intro

The GeForce GT 440 3GB uses a 40 nm design. nVidia has clocked the core speed at 594 MHz. The GDDR3 memory is set to run at a speed of 900 MHz on this model. It features 144 SPUs along with 24 Texture Address Units and 24 Rasterization Operator Units.

Compare all that to the Radeon HD 3850 1GB, which uses a 55 nm design. AMD has set the core frequency at 668 MHz. The GDDR3 RAM is set to run at a frequency of 828 MHz on this model. It features 320(64x5) SPUs as well as 16 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB 56 Watts
Radeon HD 3850 1GB 75 Watts
Difference: 19 Watts (34%)

Memory Bandwidth

The Radeon HD 3850 1GB should in theory be a lot faster than the GeForce GT 440 3GB overall. (explain)

Radeon HD 3850 1GB 52992 MB/sec
GeForce GT 440 3GB 43200 MB/sec
Difference: 9792 (23%)

Texel Rate

The GeForce GT 440 3GB will be quite a bit (more or less 33%) better at AF than the Radeon HD 3850 1GB. (explain)

GeForce GT 440 3GB 14256 Mtexels/sec
Radeon HD 3850 1GB 10688 Mtexels/sec
Difference: 3568 (33%)

Pixel Rate

The GeForce GT 440 3GB should be quite a bit (more or less 33%) better at full screen anti-aliasing than the Radeon HD 3850 1GB, and also capable of handling higher screen resolutions more effectively. (explain)

GeForce GT 440 3GB 14256 Mpixels/sec
Radeon HD 3850 1GB 10688 Mpixels/sec
Difference: 3568 (33%)

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 3GB

Amazon.com

Check prices at:

Radeon HD 3850 1GB

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 440 3GB Radeon HD 3850 1GB
Manufacturer nVidia AMD
Year October 2010 Nov 19, 2007
Code Name GF106 RV670 PRO
Memory 3072 MB 1024 MB
Core Speed 594 MHz 668 MHz
Memory Speed 1800 MHz 1656 MHz
Power (Max TDP) 56 watts 75 watts
Bandwidth 43200 MB/sec 52992 MB/sec
Texel Rate 14256 Mtexels/sec 10688 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 10688 Mpixels/sec
Unified Shaders 144 320(64x5)
Texture Mapping Units 24 16
Render Output Units 24 16
Bus Type GDDR3 GDDR3
Bus Width 192-bit 256-bit
Fab Process 40 nm 55 nm
Transistors 1170 million (Unknown) million
Bus PCIe x16 PCIe 2.0 x16/AGP 8x
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be moved across the external memory interface in a second. It is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the graphics 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 the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 440 3GB

Amazon.com

Check prices at:

Radeon HD 3850 1GB

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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