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GeForce GT 440 3GB vs Radeon HD 5570

Intro

The GeForce GT 440 3GB comes with a GPU core speed of 594 MHz, and the 3072 MB of GDDR3 RAM is set to run at 900 MHz through a 192-bit bus. It also features 144 Stream Processors, 24 TAUs, and 24 Raster Operation Units.

Compare those specifications to the Radeon HD 5570, which features core 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

In theory, 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 is a small bit (more or less 10%) better 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 a lot (approximately 174%) faster with regards to full screen anti-aliasing than the Radeon HD 5570, and also able to handle higher screen resolutions without losing too much performance. (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 largest amount of data (counted in megabytes per second) that can be transported across the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher 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 applied in one second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the 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 maximum number of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

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