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GeForce GT 240 GDDR5 1GB vs Radeon HD 4730

Intro

The GeForce GT 240 GDDR5 1GB uses a 40 nm design. nVidia has clocked the core frequency at 550 MHz. The GDDR5 memory is set to run at a frequency of 850 MHz on this specific model. It features 96 SPUs along with 32 Texture Address Units and 8 Rasterization Operator Units.

Compare that to the Radeon HD 4730, which comes with a clock frequency of 700 MHz and a GDDR5 memory speed of 900 MHz. It also uses a 128-bit bus, and makes use of a 55 nm design. It is comprised of 640(128x5) SPUs, 32 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5 1GB 70 Watts
Radeon HD 4730 140 Watts
Difference: 70 Watts (100%)

Memory Bandwidth

As far as performance goes, the Radeon HD 4730 should in theory be a small bit superior to the GeForce GT 240 GDDR5 1GB in general. (explain)

Radeon HD 4730 57600 MB/sec
GeForce GT 240 GDDR5 1GB 54400 MB/sec
Difference: 3200 (6%)

Texel Rate

The Radeon HD 4730 will be quite a bit (about 27%) more effective at anisotropic filtering than the GeForce GT 240 GDDR5 1GB. (explain)

Radeon HD 4730 22400 Mtexels/sec
GeForce GT 240 GDDR5 1GB 17600 Mtexels/sec
Difference: 4800 (27%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 4730 is the winner, by a large margin. (explain)

Radeon HD 4730 5600 Mpixels/sec
GeForce GT 240 GDDR5 1GB 4400 Mpixels/sec
Difference: 1200 (27%)

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 4730

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 4730
Manufacturer nVidia AMD
Year November 2009 Jun 8, 2009
Code Name GT215 RV770/CE
Memory 1024 MB 512 MB
Core Speed 550 MHz 700 MHz
Memory Speed 3400 MHz 3600 MHz
Power (Max TDP) 70 watts 140 watts
Bandwidth 54400 MB/sec 57600 MB/sec
Texel Rate 17600 Mtexels/sec 22400 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 5600 Mpixels/sec
Unified Shaders 96 640(128x5)
Texture Mapping Units 32 32
Render Output Units 8 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 289 million 956 million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 10.1 DirectX 10.1
OpenGL Version OpenGL 3.2 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported past the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GT 240 GDDR5 1GB

Amazon.com

Check prices at:

Radeon HD 4730

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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