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GeForce GT 240 GDDR5 1GB vs Radeon HD 5570

Intro

The GeForce GT 240 GDDR5 1GB has clock speeds of 550 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 memory. It features 96 SPUs as well as 32 Texture Address Units and 8 Rasterization Operator Units.

Compare those specifications to the Radeon HD 5570, which comes with GPU core speed of 650 MHz, and 512 MB of DDR3 memory set to run at 900 MHz through a 128-bit bus. It also features 400(80x5) Stream Processors, 20 TAUs, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5570 43 Watts
GeForce GT 240 GDDR5 1GB 70 Watts
Difference: 27 Watts (63%)

Memory Bandwidth

In theory, the GeForce GT 240 GDDR5 1GB should be a lot faster than the Radeon HD 5570 overall. (explain)

GeForce GT 240 GDDR5 1GB 54400 MB/sec
Radeon HD 5570 28800 MB/sec
Difference: 25600 (89%)

Texel Rate

The GeForce GT 240 GDDR5 1GB is a lot (about 35%) faster with regards to texture filtering than the Radeon HD 5570. (explain)

GeForce GT 240 GDDR5 1GB 17600 Mtexels/sec
Radeon HD 5570 13000 Mtexels/sec
Difference: 4600 (35%)

Pixel Rate

The Radeon HD 5570 is a little bit (more or less 18%) more effective at full screen anti-aliasing than the GeForce GT 240 GDDR5 1GB, and also should be able to handle higher resolutions without slowing down too much. (explain)

Radeon HD 5570 5200 Mpixels/sec
GeForce GT 240 GDDR5 1GB 4400 Mpixels/sec
Difference: 800 (18%)

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 240 GDDR5 1GB

Amazon.com

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Radeon HD 5570

Amazon.com

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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 240 GDDR5 1GB Radeon HD 5570
Manufacturer nVidia AMD
Year November 2009 February 9, 2010
Code Name GT215 Redwood PRO
Memory 1024 MB 512 MB
Core Speed 550 MHz 650 MHz
Memory Speed 3400 MHz 1800 MHz
Power (Max TDP) 70 watts 43 watts
Bandwidth 54400 MB/sec 28800 MB/sec
Texel Rate 17600 Mtexels/sec 13000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 96 400(80x5)
Texture Mapping Units 32 20
Render Output Units 8 8
Bus Type GDDR5 DDR3
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 289 million 627 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 3.2

Memory Bandwidth: Bandwidth is the max amount of data (measured in MB per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster 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 applied per second. This figure is worked out 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GT 240 GDDR5 1GB

Amazon.com

Check prices at:

Radeon HD 5570

Amazon.com

Check prices at:

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.

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