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GeForce GT 430 (OEM) vs Radeon HD 3690/3830

Intro

The GeForce GT 430 (OEM) features a clock speed of 700 MHz and a GDDR3 memory speed of 900 MHz. It also features a 128-bit bus, and uses a 40 nm design. It is made up of 96 SPUs, 16 Texture Address Units, and 4 ROPs.

Compare those specs to the Radeon HD 3690/3830, which uses a 55 nm design. AMD has set the core frequency at 668 MHz. The GDDR3 memory is set to run at a frequency of 828 MHz on this model. It features 320(64x5) SPUs along with 16 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 (OEM) 60 Watts
Radeon HD 3690/3830 75 Watts
Difference: 15 Watts (25%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 430 (OEM) is 9% faster than the Radeon HD 3690/3830 in general, because of its higher data rate. (explain)

GeForce GT 430 (OEM) 28800 MB/sec
Radeon HD 3690/3830 26496 MB/sec
Difference: 2304 (9%)

Texel Rate

The GeForce GT 430 (OEM) is just a bit (more or less 5%) better at texture filtering than the Radeon HD 3690/3830. (explain)

GeForce GT 430 (OEM) 11200 Mtexels/sec
Radeon HD 3690/3830 10688 Mtexels/sec
Difference: 512 (5%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon HD 3690/3830 is superior to the GeForce GT 430 (OEM), by a large margin. (explain)

Radeon HD 3690/3830 10688 Mpixels/sec
GeForce GT 430 (OEM) 2800 Mpixels/sec
Difference: 7888 (282%)

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 (OEM)

Amazon.com

Check prices at:

Radeon HD 3690/3830

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 (OEM) Radeon HD 3690/3830
Manufacturer nVidia AMD
Year October 2010 2008
Code Name GF108 RV670 PRO
Memory 2048 MB 256 MB
Core Speed 700 MHz 668 MHz
Memory Speed 1800 MHz 1656 MHz
Power (Max TDP) 60 watts 75 watts
Bandwidth 28800 MB/sec 26496 MB/sec
Texel Rate 11200 Mtexels/sec 10688 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 10688 Mpixels/sec
Unified Shaders 96 320(64x5)
Texture Mapping Units 16 16
Render Output Units 4 16
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 largest amount of information (counted in MB per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 430 (OEM)

Amazon.com

Check prices at:

Radeon HD 3690/3830

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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