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GeForce GT 440 3GB vs Radeon HD 5570

Intro

The GeForce GT 440 3GB has a GPU core speed of 594 MHz, and the 3072 MB of GDDR3 RAM runs at 900 MHz through a 192-bit bus. It also is made up of 144 Stream Processors, 24 Texture Address Units, and 24 Raster Operation Units.

Compare all that to the Radeon HD 5570, which comes with clock speeds of 650 MHz on the GPU, and 900 MHz on the 512 MB of DDR3 memory. It features 400(80x5) SPUs along with 20 Texture Address Units and 8 Rasterization Operator Units.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5570 43 Watts
GeForce GT 440 3GB 56 Watts
Difference: 13 Watts (30%)

Memory Bandwidth

Theoretically, the GeForce GT 440 3GB should be a lot faster than the Radeon HD 5570 in general. (explain)

GeForce GT 440 3GB 43200 MB/sec
Radeon HD 5570 28800 MB/sec
Difference: 14400 (50%)

Texel Rate

The GeForce GT 440 3GB will be just a bit (about 10%) faster with regards to anisotropic filtering than the Radeon HD 5570. (explain)

GeForce GT 440 3GB 14256 Mtexels/sec
Radeon HD 5570 13000 Mtexels/sec
Difference: 1256 (10%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GT 440 3GB is the winner, and very much so. (explain)

GeForce GT 440 3GB 14256 Mpixels/sec
Radeon HD 5570 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

GeForce GT 440 3GB

Amazon.com

Radeon HD 5570

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

Model GeForce GT 440 3GB Radeon HD 5570
Manufacturer nVidia AMD
Year October 2010 February 9, 2010
Code Name GF106 Redwood PRO
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe 2.1 x16
Memory 3072 MB 512 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 144 400(80x5)
Texture Mapping Units 24 20
Render Output Units 24 8
Bus Type GDDR3 DDR3
Bus Width 192-bit 128-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2
Power (Max TDP) 56 watts 43 watts
Shader Model 5.0 5.0
Bandwidth 43200 MB/sec 28800 MB/sec
Texel Rate 14256 Mtexels/sec 13000 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 5200 Mpixels/sec

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the 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 texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total amount of texture units 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

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