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GeForce GT 340 1GB vs GeForce GT 430 1GB

Intro

The GeForce GT 340 1GB comes with clock speeds of 550 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 RAM. It features 96 SPUs along with 32 TAUs and 8 ROPs.

Compare that to the GeForce GT 430 1GB, which comes with a core clock speed of 700 MHz and a GDDR3 memory frequency of 900 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It features 96 SPUs, 16 Texture Address Units, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB 60 Watts
GeForce GT 340 1GB 69 Watts
Difference: 9 Watts (15%)

Memory Bandwidth

The GeForce GT 340 1GB, in theory, should be a lot faster than the GeForce GT 430 1GB in general. (explain)

GeForce GT 340 1GB 54400 MB/sec
GeForce GT 430 1GB 28800 MB/sec
Difference: 25600 (89%)

Texel Rate

The GeForce GT 340 1GB is a lot (approximately 57%) better at AF than the GeForce GT 430 1GB. (explain)

GeForce GT 340 1GB 17600 Mtexels/sec
GeForce GT 430 1GB 11200 Mtexels/sec
Difference: 6400 (57%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GT 340 1GB is the winner, and very much so. (explain)

GeForce GT 340 1GB 4400 Mpixels/sec
GeForce GT 430 1GB 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 340 1GB

Amazon.com

Check prices at:

GeForce GT 430 1GB

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 340 1GB GeForce GT 430 1GB
Manufacturer nVidia nVidia
Year February 2010 October 2010
Code Name GT215 GF108
Memory 1024 MB 1024 MB
Core Speed 550 MHz 700 MHz
Memory Speed 3400 MHz 1800 MHz
Power (Max TDP) 69 watts 60 watts
Bandwidth 54400 MB/sec 28800 MB/sec
Texel Rate 17600 Mtexels/sec 11200 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 2800 Mpixels/sec
Unified Shaders 96 96
Texture Mapping Units 32 16
Render Output Units 8 4
Bus Type GDDR5 GDDR3
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 727 million 585 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.3 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported across the external memory interface within a second. It is worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses 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, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the video 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 amount of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 340 1GB

Amazon.com

Check prices at:

GeForce GT 430 1GB

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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