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GeForce GT 440 1.5GB vs Radeon HD 3470 512MB

Intro

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

Compare those specs to the Radeon HD 3470 512MB, which features a clock frequency of 800 MHz and a GDDR3 memory speed of 950 MHz. It also features a 128-bit bus, and makes use of a 55 nm design. It is comprised of 40(8x5) SPUs, 4 TAUs, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GT 440 1.5GB, in theory, should perform a lot faster than the Radeon HD 3470 512MB in general. (explain)

GeForce GT 440 1.5GB 43200 MB/sec
Radeon HD 3470 512MB 30400 MB/sec
Difference: 12800 (42%)

Texel Rate

The GeForce GT 440 1.5GB should be quite a bit (about 346%) faster with regards to AF than the Radeon HD 3470 512MB. (explain)

GeForce GT 440 1.5GB 14256 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 11056 (346%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GT 440 1.5GB is the winner, and very much so. (explain)

GeForce GT 440 1.5GB 14256 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 11056 (346%)

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 3470 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 3470 512MB
Manufacturer nVidia AMD
Year October 2010 2008
Code Name GF106 RV620 PRO
Memory 1536 MB 512 MB
Core Speed 594 MHz 800 MHz
Memory Speed 1800 MHz 1900 MHz
Power (Max TDP) 56 watts (Unknown) watts
Bandwidth 43200 MB/sec 30400 MB/sec
Texel Rate 14256 Mtexels/sec 3200 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 3200 Mpixels/sec
Unified Shaders 144 40(8x5)
Texture Mapping Units 24 4
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
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 moved over the external memory interface within a second. It's calculated by multiplying the interface width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also 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 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 3470 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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