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GeForce GT 440 1.5GB vs Radeon HD 3650 512MB

Intro

The GeForce GT 440 1.5GB features a clock frequency of 594 MHz and a GDDR3 memory frequency of 900 MHz. It also features a 192-bit memory bus, and makes use of a 40 nm design. It is comprised of 144 SPUs, 24 Texture Address Units, and 24 Raster Operation Units.

Compare that to the Radeon HD 3650 512MB, which uses a 55 nm design. AMD has set the core speed at 725 MHz. The GDDR3 memory works at a frequency of 800 MHz on this specific card. It features 120(24x5) SPUs along with 8 TAUs and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB 56 Watts
Radeon HD 3650 512MB 78 Watts
Difference: 22 Watts (39%)

Memory Bandwidth

The GeForce GT 440 1.5GB should in theory perform quite a bit faster than the Radeon HD 3650 512MB in general. (explain)

GeForce GT 440 1.5GB 43200 MB/sec
Radeon HD 3650 512MB 25600 MB/sec
Difference: 17600 (69%)

Texel Rate

The GeForce GT 440 1.5GB will be much (about 146%) faster with regards to AF than the Radeon HD 3650 512MB. (explain)

GeForce GT 440 1.5GB 14256 Mtexels/sec
Radeon HD 3650 512MB 5800 Mtexels/sec
Difference: 8456 (146%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GT 440 1.5GB is superior to the Radeon HD 3650 512MB, and very much so. (explain)

GeForce GT 440 1.5GB 14256 Mpixels/sec
Radeon HD 3650 512MB 2900 Mpixels/sec
Difference: 11356 (392%)

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 3650 512MB

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 3650 512MB
Manufacturer nVidia AMD
Year October 2010 2008
Code Name GF106 RV635 PRO
Memory 1536 MB 512 MB
Core Speed 594 MHz 725 MHz
Memory Speed 1800 MHz 1600 MHz
Power (Max TDP) 56 watts 78 watts
Bandwidth 43200 MB/sec 25600 MB/sec
Texel Rate 14256 Mtexels/sec 5800 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 2900 Mpixels/sec
Unified Shaders 144 120(24x5)
Texture Mapping Units 24 8
Render Output Units 24 4
Bus Type GDDR3 GDDR3
Bus Width 192-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 1170 million (Unknown) million
Bus PCIe x16 PCIe 2.0 x16/AGP 8x
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. 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 number of texture units by the core clock speed of the chip. The higher the texel rate, the better the video 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 maximum amount of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core clock speed. 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 quite a few other factors, especially the memory bandwidth of the card - 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 3650 512MB

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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