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

Intro

The GeForce GT 430 (OEM) features a GPU core speed of 700 MHz, and the 2048 MB of GDDR3 RAM is set to run at 900 MHz through a 128-bit bus. It also features 96 Stream Processors, 16 TAUs, and 4 ROPs.

Compare all that to the Radeon HD 3690/3830, which comes with clock speeds of 668 MHz on the GPU, and 828 MHz on the 256 MB of GDDR3 RAM. It features 320(64x5) SPUs along with 16 Texture Address Units and 16 Rasterization Operator Units.

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

In theory, the GeForce GT 430 (OEM) should perform a little bit faster than the Radeon HD 3690/3830 in general. (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) should be just a bit (more or less 5%) faster with regards to AF 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

The Radeon HD 3690/3830 will be much (more or less 282%) more effective at FSAA than the GeForce GT 430 (OEM), and also will be able to handle higher screen resolutions while still performing well. (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 data (in units of MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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