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GeForce GT 440 1.5GB vs Radeon HD 6570 (OEM) 1GB


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

Compare that to the Radeon HD 6570 (OEM) 1GB, which uses a 40 nm design. AMD has clocked the core speed at 650 MHz. The GDDR3 RAM is set to run at a frequency of 900 MHz on this card. It features 480 SPUs along with 24 Texture Address Units and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 1GB 50 Watts
GeForce GT 440 1.5GB 56 Watts
Difference: 6 Watts (12%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 440 1.5GB should be quite a bit faster than the Radeon HD 6570 (OEM) 1GB in general. (explain)

GeForce GT 440 1.5GB 43200 MB/sec
Radeon HD 6570 (OEM) 1GB 28800 MB/sec
Difference: 14400 (50%)

Texel Rate

The Radeon HD 6570 (OEM) 1GB is a small bit (more or less 9%) faster with regards to texture filtering than the GeForce GT 440 1.5GB. (explain)

Radeon HD 6570 (OEM) 1GB 15600 Mtexels/sec
GeForce GT 440 1.5GB 14256 Mtexels/sec
Difference: 1344 (9%)

Pixel Rate

The GeForce GT 440 1.5GB should be much (more or less 174%) faster with regards to FSAA than the Radeon HD 6570 (OEM) 1GB, and capable of handling higher resolutions more effectively. (explain)

GeForce GT 440 1.5GB 14256 Mpixels/sec
Radeon HD 6570 (OEM) 1GB 5200 Mpixels/sec
Difference: 9056 (174%)

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

Radeon HD 6570 (OEM) 1GB

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.


Display Specifications

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Model GeForce GT 440 1.5GB Radeon HD 6570 (OEM) 1GB
Manufacturer nVidia AMD
Year October 2010 February 2011
Code Name GF106 Turks
Memory 1536 MB 1024 MB
Core Speed 594 MHz 650 MHz
Memory Speed 1800 MHz 1800 MHz
Power (Max TDP) 56 watts 50 watts
Bandwidth 43200 MB/sec 28800 MB/sec
Texel Rate 14256 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 144 480
Texture Mapping Units 24 24
Render Output Units 24 8
Bus Type GDDR3 GDDR3
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 max amount of data (in units of MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, 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 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 higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

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


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