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GeForce GT 440 3GB vs Radeon HD 5770

Intro

The GeForce GT 440 3GB features a clock frequency of 594 MHz and a GDDR3 memory frequency of 900 MHz. It also uses a 192-bit memory bus, and uses a 40 nm design. It is made up of 144 SPUs, 24 TAUs, and 24 Raster Operation Units.

Compare all of that to the Radeon HD 5770, which has a clock frequency of 850 MHz and a GDDR5 memory speed of 1200 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It is comprised of 800(160x5) SPUs, 40 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB 56 Watts
Radeon HD 5770 108 Watts
Difference: 52 Watts (93%)

Memory Bandwidth

The Radeon HD 5770 should in theory perform much faster than the GeForce GT 440 3GB overall. (explain)

Radeon HD 5770 76800 MB/sec
GeForce GT 440 3GB 43200 MB/sec
Difference: 33600 (78%)

Texel Rate

The Radeon HD 5770 is a lot (more or less 138%) faster with regards to AF than the GeForce GT 440 3GB. (explain)

Radeon HD 5770 34000 Mtexels/sec
GeForce GT 440 3GB 14256 Mtexels/sec
Difference: 19744 (138%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GT 440 3GB is a better choice, though not by far. (explain)

GeForce GT 440 3GB 14256 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 656 (5%)

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

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Radeon HD 5770

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 5770
Manufacturer nVidia AMD
Year October 2010 October 13, 2009
Code Name GF106 Juniper XT
Memory 3072 MB 1024 MB
Core Speed 594 MHz 850 MHz
Memory Speed 1800 MHz 4800 MHz
Power (Max TDP) 56 watts 108 watts
Bandwidth 43200 MB/sec 76800 MB/sec
Texel Rate 14256 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 144 800(160x5)
Texture Mapping Units 24 40
Render Output Units 24 16
Bus Type GDDR3 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 1040 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be moved over the external memory interface within a second. It's calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's 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 amount of texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - 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 5770

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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