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

Intro

The GeForce GT 440 1.5GB has core clock speeds of 594 MHz on the GPU, and 900 MHz on the 1536 MB of GDDR3 memory. It features 144 SPUs as well as 24 Texture Address Units and 24 Rasterization Operator Units.

Compare all that to the Radeon HD 6570 (OEM) 1GB, which features clock speeds of 650 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 RAM. It features 480 SPUs along with 24 TAUs 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

In theory, the GeForce GT 440 1.5GB is 50% faster than the Radeon HD 6570 (OEM) 1GB in general, because of its greater bandwidth. (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 little bit (approximately 9%) better at 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

If running with lots of anti-aliasing is important to you, then the GeForce GT 440 1.5GB is superior to the Radeon HD 6570 (OEM) 1GB, and very much so. (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

Amazon.com

Radeon HD 6570 (OEM) 1GB

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 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: Bandwidth is the largest amount of information (counted in MB per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 amount of texture map elements (texels) that can be applied per second. This figure is worked out 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 processed per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core clock speed. 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 of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

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