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GeForce GT 440 1.5GB vs Radeon HD 6670 (OEM)


Intro

The GeForce GT 440 1.5GB features a GPU core speed of 594 MHz, and the 1536 MB of GDDR3 RAM is set to run at 900 MHz through a 192-bit bus. It also is comprised of 144 SPUs, 24 Texture Address Units, and 24 Raster Operation Units.

Compare those specifications to the Radeon HD 6670 (OEM), which uses a 40 nm design. AMD has set the core speed at 800 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this card. It features 480 SPUs along with 24 TAUs and 8 Rasterization Operator Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon HD 6670 (OEM) 1120 points
GeForce GT 440 1.5GB 840 points
Difference: 280 (33%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB 56 Watts
Radeon HD 6670 (OEM) 63 Watts
Difference: 7 Watts (13%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6670 (OEM) is 48% faster than the GeForce GT 440 1.5GB in general, due to its higher data rate. (explain)

Radeon HD 6670 (OEM) 64000 MB/sec
GeForce GT 440 1.5GB 43200 MB/sec
Difference: 20800 (48%)

Texel Rate

The Radeon HD 6670 (OEM) will be quite a bit (about 35%) more effective at anisotropic filtering than the GeForce GT 440 1.5GB. (explain)

Radeon HD 6670 (OEM) 19200 Mtexels/sec
GeForce GT 440 1.5GB 14256 Mtexels/sec
Difference: 4944 (35%)

Pixel Rate

The GeForce GT 440 1.5GB will be quite a bit (approximately 123%) more effective at full screen anti-aliasing than the Radeon HD 6670 (OEM), and also able to handle higher screen resolutions better. (explain)

GeForce GT 440 1.5GB 14256 Mpixels/sec
Radeon HD 6670 (OEM) 6400 Mpixels/sec
Difference: 7856 (123%)

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

Radeon HD 6670 (OEM)

Amazon.com

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 6670 (OEM)
Manufacturer nVidia AMD
Year October 2010 February 2011
Code Name GF106 Turks
Memory 1536 MB 512 MB
Core Speed 594 MHz 800 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 56 watts 63 watts
Bandwidth 43200 MB/sec 64000 MB/sec
Texel Rate 14256 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 6400 Mpixels/sec
Unified Shaders 144 480
Texture Mapping Units 24 24
Render Output Units 24 8
Bus Type GDDR3 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 715 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 440 1.5GB

Amazon.com

Radeon HD 6670 (OEM)

Amazon.com

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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