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GeForce GT 440 3GB vs Radeon HD 5570

Intro

The GeForce GT 440 3GB uses a 40 nm design. nVidia has set the core speed at 594 MHz. The GDDR3 memory works at a speed of 900 MHz on this specific card. It features 144 SPUs as well as 24 Texture Address Units and 24 ROPs.

Compare those specifications 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 RAM. It features 400(80x5) SPUs along with 20 Texture Address Units and 8 Rasterization Operator 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 5570 43 Watts
GeForce GT 440 3GB 56 Watts
Difference: 13 Watts (30%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 440 3GB should be much 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 should be just a bit (approximately 10%) more effective at 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

The GeForce GT 440 3GB will be quite a bit (approximately 174%) more effective at full screen anti-aliasing than the Radeon HD 5570, and will be capable of handling higher resolutions without slowing down too much. (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

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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

Display Specifications

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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 1800 MHz 1800 MHz
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: Memory bandwidth is the max amount of data (counted in MB per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

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