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GeForce GT 430 1GB vs GeForce GTX 550 Ti

Intro

The GeForce GT 430 1GB makes use of a 40 nm design. nVidia has set the core speed at 700 MHz. The GDDR3 memory works at a speed of 900 MHz on this particular model. It features 96 SPUs along with 16 Texture Address Units and 4 Rasterization Operator Units.

Compare those specs to the GeForce GTX 550 Ti, which features core clock speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 RAM. It features 192 SPUs as well as 32 TAUs and 24 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB 60 Watts
GeForce GTX 550 Ti 116 Watts
Difference: 56 Watts (93%)

Memory Bandwidth

The GeForce GTX 550 Ti, in theory, should perform much faster than the GeForce GT 430 1GB overall. (explain)

GeForce GTX 550 Ti 98496 MB/sec
GeForce GT 430 1GB 28800 MB/sec
Difference: 69696 (242%)

Texel Rate

The GeForce GTX 550 Ti is quite a bit (about 157%) faster with regards to AF than the GeForce GT 430 1GB. (explain)

GeForce GTX 550 Ti 28800 Mtexels/sec
GeForce GT 430 1GB 11200 Mtexels/sec
Difference: 17600 (157%)

Pixel Rate

The GeForce GTX 550 Ti will be much (approximately 671%) better at FSAA than the GeForce GT 430 1GB, and also should be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
GeForce GT 430 1GB 2800 Mpixels/sec
Difference: 18800 (671%)

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 430 1GB

Amazon.com

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GeForce GTX 550 Ti

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 430 1GB GeForce GTX 550 Ti
Manufacturer nVidia nVidia
Year October 2010 March 2011
Code Name GF108 GF116
Memory 1024 MB 1024 MB
Core Speed 700 MHz 900 MHz
Memory Speed 1800 MHz 4104 MHz
Power (Max TDP) 60 watts 116 watts
Bandwidth 28800 MB/sec 98496 MB/sec
Texel Rate 11200 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 96 192
Texture Mapping Units 16 32
Render Output Units 4 24
Bus Type GDDR3 GDDR5
Bus Width 128-bit 192-bit
Fab Process 40 nm 40 nm
Transistors 585 million 1170 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen 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 speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GT 430 1GB

Amazon.com

Check prices at:

GeForce GTX 550 Ti

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.

Comments

One Response to “GeForce GT 430 1GB vs GeForce GTX 550 Ti”
rafael says:

possuo uma gtx 550 ti,placa muito boa roda quase tudo no maximo execelente custoxbeneficio

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