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GeForce GT 240 GDDR5 1GB vs Radeon HD 5670

Intro

The GeForce GT 240 GDDR5 1GB has a core clock frequency of 550 MHz and a GDDR5 memory speed of 850 MHz. It also uses a 128-bit memory bus, and uses a 40 nm design. It is comprised of 96 SPUs, 32 TAUs, and 8 Raster Operation Units.

Compare that to the Radeon HD 5670, which comes with a GPU core clock speed of 775 MHz, and 1024 MB of GDDR5 RAM running at 1000 MHz through a 128-bit bus. It also is comprised of 400(80x5) SPUs, 20 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce GT 240 GDDR5 1GB 70 Watts
Difference: 9 Watts (15%)

Memory Bandwidth

Performance-wise, the Radeon HD 5670 should in theory be a bit superior to the GeForce GT 240 GDDR5 1GB in general. (explain)

Radeon HD 5670 64000 MB/sec
GeForce GT 240 GDDR5 1GB 54400 MB/sec
Difference: 9600 (18%)

Texel Rate

The GeForce GT 240 GDDR5 1GB will be a small bit (approximately 14%) better at AF than the Radeon HD 5670. (explain)

GeForce GT 240 GDDR5 1GB 17600 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 2100 (14%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon HD 5670 is the winner, by far. (explain)

Radeon HD 5670 6200 Mpixels/sec
GeForce GT 240 GDDR5 1GB 4400 Mpixels/sec
Difference: 1800 (41%)

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

Check prices at:

Radeon HD 5670

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.

Specifications

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Model GeForce GT 240 GDDR5 1GB Radeon HD 5670
Manufacturer nVidia AMD
Year November 2009 January 14, 2010
Code Name GT215 Redwood XT
Memory 1024 MB 1024 MB
Core Speed 550 MHz 775 MHz
Memory Speed 3400 MHz 4000 MHz
Power (Max TDP) 70 watts 61 watts
Bandwidth 54400 MB/sec 64000 MB/sec
Texel Rate 17600 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 96 400(80x5)
Texture Mapping Units 32 20
Render Output Units 8 8
Bus Type GDDR5 GDDR5
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 information (measured in megabytes per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 once 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 AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core clock 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number 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 fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 240 GDDR5 1GB

Amazon.com

Check prices at:

Radeon HD 5670

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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