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GeForce GT 440 1.5GB vs Radeon HD 4770

Intro

The GeForce GT 440 1.5GB comes with clock speeds of 594 MHz on the GPU, and 900 MHz on the 1536 MB of GDDR3 RAM. It features 144 SPUs as well as 24 TAUs and 24 ROPs.

Compare that to the Radeon HD 4770, which features a clock speed of 750 MHz and a GDDR5 memory frequency of 800 MHz. It also uses a 128-bit bus, and makes use of a 40 nm design. It features 640(128x5) SPUs, 32 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB 56 Watts
Radeon HD 4770 80 Watts
Difference: 24 Watts (43%)

Memory Bandwidth

In theory, the Radeon HD 4770 is 19% quicker than the GeForce GT 440 1.5GB in general, due to its greater bandwidth. (explain)

Radeon HD 4770 51200 MB/sec
GeForce GT 440 1.5GB 43200 MB/sec
Difference: 8000 (19%)

Texel Rate

The Radeon HD 4770 should be a lot (about 68%) faster with regards to texture filtering than the GeForce GT 440 1.5GB. (explain)

Radeon HD 4770 24000 Mtexels/sec
GeForce GT 440 1.5GB 14256 Mtexels/sec
Difference: 9744 (68%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GT 440 1.5GB is superior to the Radeon HD 4770, not by a very large margin though. (explain)

GeForce GT 440 1.5GB 14256 Mpixels/sec
Radeon HD 4770 12000 Mpixels/sec
Difference: 2256 (19%)

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 4770

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 4770
Manufacturer nVidia AMD
Year October 2010 Apr 28, 2009
Code Name GF106 RV740
Memory 1536 MB 512 MB
Core Speed 594 MHz 750 MHz
Memory Speed 1800 MHz 3200 MHz
Power (Max TDP) 56 watts 80 watts
Bandwidth 43200 MB/sec 51200 MB/sec
Texel Rate 14256 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 12000 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: Memory bandwidth is the max amount of data (counted in MB per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 texture map elements (texels) that are processed in one second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 440 1.5GB

Amazon.com

Check prices at:

Radeon HD 4770

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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