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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 RAM. It features 144 SPUs as well as 24 Texture Address Units and 24 Rasterization Operator Units.

Compare those specs to the Radeon HD 6570 (OEM) 1GB, which comes with clock speeds of 650 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 RAM. It features 480 SPUs as well as 24 TAUs and 8 ROPs.

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

In theory, the GeForce GT 440 1.5GB should be 50% quicker than the Radeon HD 6570 (OEM) 1GB in general, because of its higher data rate. (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 (approximately 9%) more effective 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 using 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 900 MHz (1800 MHz effective) 900 MHz (1800 MHz effective)
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 (measured in MB per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core 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 also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

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