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GeForce GT 430 1GB vs Radeon HD 3470 512MB

Intro

The GeForce GT 430 1GB has a clock speed of 700 MHz and a GDDR3 memory frequency of 900 MHz. It also makes use of a 128-bit memory bus, and uses a 40 nm design. It is made up of 96 SPUs, 16 TAUs, and 4 Raster Operation Units.

Compare those specs to the Radeon HD 3470 512MB, which features a GPU core clock speed of 800 MHz, and 512 MB of GDDR3 memory set to run at 950 MHz through a 128-bit bus. It also features 40(8x5) SPUs, 4 TAUs, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon HD 3470 512MB should in theory be a little bit superior to the GeForce GT 430 1GB in general. (explain)

Radeon HD 3470 512MB 30400 MB/sec
GeForce GT 430 1GB 28800 MB/sec
Difference: 1600 (6%)

Texel Rate

The GeForce GT 430 1GB will be much (more or less 250%) more effective at anisotropic filtering than the Radeon HD 3470 512MB. (explain)

GeForce GT 430 1GB 11200 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 8000 (250%)

Pixel Rate

The Radeon HD 3470 512MB should be a little bit (approximately 14%) more effective at FSAA than the GeForce GT 430 1GB, and also should be able to handle higher resolutions more effectively. (explain)

Radeon HD 3470 512MB 3200 Mpixels/sec
GeForce GT 430 1GB 2800 Mpixels/sec
Difference: 400 (14%)

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

Check prices at:

Radeon HD 3470 512MB

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 430 1GB Radeon HD 3470 512MB
Manufacturer nVidia AMD
Year October 2010 2008
Code Name GF108 RV620 PRO
Memory 1024 MB 512 MB
Core Speed 700 MHz 800 MHz
Memory Speed 1800 MHz 1900 MHz
Power (Max TDP) 60 watts (Unknown) watts
Bandwidth 28800 MB/sec 30400 MB/sec
Texel Rate 11200 Mtexels/sec 3200 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 3200 Mpixels/sec
Unified Shaders 96 40(8x5)
Texture Mapping Units 16 4
Render Output Units 4 4
Bus Type GDDR3 GDDR3
Bus Width 128-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 585 million (Unknown) million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total texture units by the core 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 per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units 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 fill rate is also dependant on lots of other factors, most notably 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:

Radeon HD 3470 512MB

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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