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

Intro

The GeForce GT 440 1.5GB features a clock frequency of 594 MHz and a GDDR3 memory frequency of 900 MHz. It also makes use of a 192-bit memory bus, and makes use of a 40 nm design. It features 144 SPUs, 24 Texture Address Units, and 24 ROPs.

Compare that to the Radeon HD 6570 (OEM) 1GB, which comes with GPU core speed of 650 MHz, and 1024 MB of GDDR3 RAM running at 900 MHz through a 128-bit bus. It also is comprised of 480 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

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(No game benchmarks for this combination yet.)

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

The GeForce GT 440 1.5GB, in theory, 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 will be a bit (approximately 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

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, by far. (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
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe 2.1 x16
Memory 1536 MB 1024 MB
Core Speed 594 MHz 650 MHz
Shader Speed 1189 MHz (N/A) MHz
Memory Speed 1800 MHz 1800 MHz
Unified Shaders 144 480
Texture Mapping Units 24 24
Render Output Units 24 8
Bus Type GDDR3 GDDR3
Bus Width 192-bit 128-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1
Power (Max TDP) 56 watts 50 watts
Shader Model 5.0 5.0
Bandwidth 43200 MB/sec 28800 MB/sec
Texel Rate 14256 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 5200 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transported across the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 texture map elements (texels) that are processed per second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

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