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GeForce GT 240 GDDR5 vs GeForce GT 430

Intro

The GeForce GT 240 GDDR5 features a GPU core speed of 550 MHz, and the 512 MB of GDDR5 RAM runs at 850 MHz through a 128-bit bus. It also features 96 SPUs, 32 Texture Address Units, and 8 Raster Operation Units.

Compare that to the GeForce GT 430, which comes with GPU core speed of 700 MHz, and 512 MB of GDDR3 RAM running at 900 MHz through a 128-bit bus. It also is comprised of 96 Stream Processors, 16 Texture Address Units, and 4 Raster Operation Units.

Display Graphs

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(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 60 Watts
GeForce GT 240 GDDR5 70 Watts
Difference: 10 Watts (17%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 240 GDDR5 should be a lot faster than the GeForce GT 430 in general. (explain)

GeForce GT 240 GDDR5 54400 MB/sec
GeForce GT 430 28800 MB/sec
Difference: 25600 (89%)

Texel Rate

The GeForce GT 240 GDDR5 should be a lot (approximately 57%) faster with regards to texture filtering than the GeForce GT 430. (explain)

GeForce GT 240 GDDR5 17600 Mtexels/sec
GeForce GT 430 11200 Mtexels/sec
Difference: 6400 (57%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GT 240 GDDR5 is superior to the GeForce GT 430, by far. (explain)

GeForce GT 240 GDDR5 4400 Mpixels/sec
GeForce GT 430 2800 Mpixels/sec
Difference: 1600 (57%)

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

Amazon.com

GeForce GT 430

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

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Model GeForce GT 240 GDDR5 GeForce GT 430
Manufacturer nVidia nVidia
Year Novermber 2009 October 2010
Code Name GT215 GF108
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe x16
Memory 512 MB 512 MB
Core Speed 550 MHz 700 MHz
Shader Speed 1360 MHz 1400 MHz
Memory Speed 3400 MHz 1800 MHz
Unified Shaders 96 96
Texture Mapping Units 32 16
Render Output Units 8 4
Bus Type GDDR5 GDDR3
Bus Width 128-bit 128-bit
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1
Power (Max TDP) 70 watts 60 watts
Shader Model 4.1 5.0
Bandwidth 54400 MB/sec 28800 MB/sec
Texel Rate 17600 Mtexels/sec 11200 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 2800 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. 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 is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Comments

One Response to “GeForce GT 240 GDDR5 vs GeForce GT 430”

[...] http://www.hwcompare.com/7039/geforc...eforce-gt-430/ Pixel Rate If using a high resolution is important to you, then the GeForce GT 240 GDDR5 is superior to the GeForce GT 430, and very much so (buna incercare cu acel 1680X1050 dar omul probabil are un 1280X1024 pe care "nu-l schimba: [...]

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