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GeForce GT 440 1.5GB vs Radeon HD 4550 256MB

Intro

The GeForce GT 440 1.5GB features a GPU clock speed of 594 MHz, and the 1536 MB of GDDR3 memory is set to run at 900 MHz through a 192-bit bus. It also features 144 SPUs, 24 TAUs, and 24 ROPs.

Compare all of that to the Radeon HD 4550 256MB, which comes with core clock speeds of 600 MHz on the GPU, and 800 MHz on the 256 MB of DDR3 memory. It features 80(16x5) SPUs along with 8 Texture Address Units and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 256MB 25 Watts
GeForce GT 440 1.5GB 56 Watts
Difference: 31 Watts (124%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 440 1.5GB is 238% quicker than the Radeon HD 4550 256MB overall, because of its greater data rate. (explain)

GeForce GT 440 1.5GB 43200 MB/sec
Radeon HD 4550 256MB 12800 MB/sec
Difference: 30400 (238%)

Texel Rate

The GeForce GT 440 1.5GB should be much (more or less 197%) more effective at AF than the Radeon HD 4550 256MB. (explain)

GeForce GT 440 1.5GB 14256 Mtexels/sec
Radeon HD 4550 256MB 4800 Mtexels/sec
Difference: 9456 (197%)

Pixel Rate

The GeForce GT 440 1.5GB should be a lot (approximately 494%) faster with regards to full screen anti-aliasing than the Radeon HD 4550 256MB, and also will be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GT 440 1.5GB 14256 Mpixels/sec
Radeon HD 4550 256MB 2400 Mpixels/sec
Difference: 11856 (494%)

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 4550 256MB

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 4550 256MB
Manufacturer nVidia AMD
Year October 2010 Sep 30, 2008
Code Name GF106 RV710
Memory 1536 MB 256 MB
Core Speed 594 MHz 600 MHz
Memory Speed 1800 MHz 1600 MHz
Power (Max TDP) 56 watts 25 watts
Bandwidth 43200 MB/sec 12800 MB/sec
Texel Rate 14256 Mtexels/sec 4800 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 2400 Mpixels/sec
Unified Shaders 144 80(16x5)
Texture Mapping Units 24 8
Render Output Units 24 4
Bus Type GDDR3 DDR3
Bus Width 192-bit 64-bit
Fab Process 40 nm 55 nm
Transistors 1170 million 242 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 information (counted in megabytes per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, 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 of the card by the core speed of the chip. The better the texel rate, 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 amount of pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core 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 fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory 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 4550 256MB

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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