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GeForce GT 440 3GB vs Radeon HD 6950 2GB

Intro

The GeForce GT 440 3GB makes use of a 40 nm design. nVidia has set the core frequency at 594 MHz. The GDDR3 memory runs at a speed of 900 MHz on this model. It features 144 SPUs as well as 24 TAUs and 24 ROPs.

Compare all of that to the Radeon HD 6950 2GB, which uses a 40 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM runs at a frequency of 1250 MHz on this specific card. It features 1408 SPUs along with 88 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB 56 Watts
Radeon HD 6950 2GB 200 Watts
Difference: 144 Watts (257%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6950 2GB should perform much faster than the GeForce GT 440 3GB in general. (explain)

Radeon HD 6950 2GB 160000 MB/sec
GeForce GT 440 3GB 43200 MB/sec
Difference: 116800 (270%)

Texel Rate

The Radeon HD 6950 2GB should be quite a bit (more or less 394%) more effective at anisotropic filtering than the GeForce GT 440 3GB. (explain)

Radeon HD 6950 2GB 70400 Mtexels/sec
GeForce GT 440 3GB 14256 Mtexels/sec
Difference: 56144 (394%)

Pixel Rate

The Radeon HD 6950 2GB should be much (more or less 80%) better at anti-aliasing than the GeForce GT 440 3GB, and also should be able to handle higher screen resolutions while still performing well. (explain)

Radeon HD 6950 2GB 25600 Mpixels/sec
GeForce GT 440 3GB 14256 Mpixels/sec
Difference: 11344 (80%)

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 6950 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.

Specifications

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Model GeForce GT 440 3GB Radeon HD 6950 2GB
Manufacturer nVidia AMD
Year October 2010 December 2010
Code Name GF106 Cayman Pro
Memory 3072 MB 2048 MB
Core Speed 594 MHz 800 MHz
Memory Speed 1800 MHz 5000 MHz
Power (Max TDP) 56 watts 200 watts
Bandwidth 43200 MB/sec 160000 MB/sec
Texel Rate 14256 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 144 1408
Texture Mapping Units 24 88
Render Output Units 24 32
Bus Type GDDR3 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 2640 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of data (in units of MB per second) that can be moved over the external memory interface within a second. It's calculated by multiplying the bus width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units by the core clock 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 processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 440 3GB

Amazon.com

Check prices at:

Radeon HD 6950 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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