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GeForce GT 440 1.5GB vs Radeon HD 3850 1GB

Intro

The GeForce GT 440 1.5GB uses a 40 nm design. nVidia has clocked the core frequency at 594 MHz. The GDDR3 memory runs at a frequency of 900 MHz on this specific card. It features 144 SPUs along with 24 TAUs and 24 Rasterization Operator Units.

Compare all that to the Radeon HD 3850 1GB, which uses a 55 nm design. AMD has set the core frequency at 668 MHz. The GDDR3 memory is set to run at a frequency of 828 MHz on this particular model. It features 320(64x5) SPUs as well as 16 TAUs and 16 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 3850 1GB 75 Watts
Difference: 19 Watts (34%)

Memory Bandwidth

In theory, the Radeon HD 3850 1GB will be 23% faster than the GeForce GT 440 1.5GB in general, because of its greater data rate. (explain)

Radeon HD 3850 1GB 52992 MB/sec
GeForce GT 440 1.5GB 43200 MB/sec
Difference: 9792 (23%)

Texel Rate

The GeForce GT 440 1.5GB is a lot (more or less 33%) better at texture filtering than the Radeon HD 3850 1GB. (explain)

GeForce GT 440 1.5GB 14256 Mtexels/sec
Radeon HD 3850 1GB 10688 Mtexels/sec
Difference: 3568 (33%)

Pixel Rate

The GeForce GT 440 1.5GB is quite a bit (more or less 33%) more effective at anti-aliasing than the Radeon HD 3850 1GB, and also should be capable of handling higher resolutions while still performing well. (explain)

GeForce GT 440 1.5GB 14256 Mpixels/sec
Radeon HD 3850 1GB 10688 Mpixels/sec
Difference: 3568 (33%)

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 3850 1GB

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 3850 1GB
Manufacturer nVidia AMD
Year October 2010 Nov 19, 2007
Code Name GF106 RV670 PRO
Memory 1536 MB 1024 MB
Core Speed 594 MHz 668 MHz
Memory Speed 1800 MHz 1656 MHz
Power (Max TDP) 56 watts 75 watts
Bandwidth 43200 MB/sec 52992 MB/sec
Texel Rate 14256 Mtexels/sec 10688 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 10688 Mpixels/sec
Unified Shaders 144 320(64x5)
Texture Mapping Units 24 16
Render Output Units 24 16
Bus Type GDDR3 GDDR3
Bus Width 192-bit 256-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: Memory bandwidth is the max amount of information (counted in MB per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher 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 in one second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GT 440 1.5GB

Amazon.com

Check prices at:

Radeon HD 3850 1GB

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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