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GeForce GT 440 1.5GB vs Radeon HD 4750

Intro

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

Compare all that to the Radeon HD 4750, which comes with a GPU core clock speed of 730 MHz, and 512 MB of GDDR5 RAM running at 800 MHz through a 128-bit bus. It also is comprised of 640(128x5) Stream Processors, 32 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB 56 Watts
Radeon HD 4750 75 Watts
Difference: 19 Watts (34%)

Memory Bandwidth

The Radeon HD 4750 should theoretically be a small bit faster than the GeForce GT 440 1.5GB in general. (explain)

Radeon HD 4750 51200 MB/sec
GeForce GT 440 1.5GB 43200 MB/sec
Difference: 8000 (19%)

Texel Rate

The Radeon HD 4750 will be a lot (more or less 64%) faster with regards to texture filtering than the GeForce GT 440 1.5GB. (explain)

Radeon HD 4750 23360 Mtexels/sec
GeForce GT 440 1.5GB 14256 Mtexels/sec
Difference: 9104 (64%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GT 440 1.5GB is the winner, and very much so. (explain)

GeForce GT 440 1.5GB 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 1.5GB

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 1.5GB Radeon HD 4750
Manufacturer nVidia AMD
Year October 2010
Code Name GF106 RV740
Memory 1536 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 max amount of information (in units of MB per second) that can be transported over the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, 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 number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better 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 that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably 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:

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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