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GeForce GT 440 3GB vs Radeon HD 4750

Intro

The GeForce GT 440 3GB comes with a GPU core speed of 594 MHz, and the 3072 MB of GDDR3 RAM is set to run at 900 MHz through a 192-bit bus. It also is made up of 144 SPUs, 24 Texture Address Units, and 24 Raster Operation Units.

Compare those specs to the Radeon HD 4750, which makes use of a 40 nm design. AMD has set the core speed at 730 MHz. The GDDR5 memory is set to run at a frequency of 800 MHz on this particular card. It features 640(128x5) SPUs as well as 32 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB 56 Watts
Radeon HD 4750 75 Watts
Difference: 19 Watts (34%)

Memory Bandwidth

In theory, the Radeon HD 4750 should be just a bit faster than the GeForce GT 440 3GB overall. (explain)

Radeon HD 4750 51200 MB/sec
GeForce GT 440 3GB 43200 MB/sec
Difference: 8000 (19%)

Texel Rate

The Radeon HD 4750 will be a lot (approximately 64%) faster with regards to AF than the GeForce GT 440 3GB. (explain)

Radeon HD 4750 23360 Mtexels/sec
GeForce GT 440 3GB 14256 Mtexels/sec
Difference: 9104 (64%)

Pixel Rate

The GeForce GT 440 3GB should be a lot (more or less 22%) faster with regards to AA than the Radeon HD 4750, and should be able to handle higher resolutions more effectively. (explain)

GeForce GT 440 3GB 14256 Mpixels/sec
Radeon HD 4750 11680 Mpixels/sec
Difference: 2576 (22%)

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 4750

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 4750
Manufacturer nVidia AMD
Year October 2010
Code Name GF106 RV740
Memory 3072 MB 512 MB
Core Speed 594 MHz 730 MHz
Memory Speed 1800 MHz 3200 MHz
Power (Max TDP) 56 watts 75 watts
Bandwidth 43200 MB/sec 51200 MB/sec
Texel Rate 14256 Mtexels/sec 23360 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 11680 Mpixels/sec
Unified Shaders 144 640(128x5)
Texture Mapping Units 24 32
Render Output Units 24 16
Bus Type GDDR3 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 826 million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be moved across the external memory interface within a second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 can be applied per second. This figure is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes 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, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GT 440 3GB

Amazon.com

Check prices at:

Radeon HD 4750

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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