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GeForce GT 430 1GB vs Radeon HD 3690/3830

Intro

The GeForce GT 430 1GB uses a 40 nm design. nVidia has clocked the core frequency at 700 MHz. The GDDR3 RAM runs at a speed of 900 MHz on this specific card. It features 96 SPUs as well as 16 TAUs and 4 Rasterization Operator Units.

Compare those specs to the Radeon HD 3690/3830, which comes with a clock speed of 668 MHz and a GDDR3 memory frequency of 828 MHz. It also makes use of a 128-bit bus, and makes use of a 55 nm design. It features 320(64x5) SPUs, 16 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB 60 Watts
Radeon HD 3690/3830 75 Watts
Difference: 15 Watts (25%)

Memory Bandwidth

The GeForce GT 430 1GB should theoretically perform a bit faster than the Radeon HD 3690/3830 in general. (explain)

GeForce GT 430 1GB 28800 MB/sec
Radeon HD 3690/3830 26496 MB/sec
Difference: 2304 (9%)

Texel Rate

The GeForce GT 430 1GB will be just a bit (approximately 5%) more effective at anisotropic filtering than the Radeon HD 3690/3830. (explain)

GeForce GT 430 1GB 11200 Mtexels/sec
Radeon HD 3690/3830 10688 Mtexels/sec
Difference: 512 (5%)

Pixel Rate

The Radeon HD 3690/3830 will be quite a bit (about 282%) better at anti-aliasing than the GeForce GT 430 1GB, and capable of handling higher resolutions without losing too much performance. (explain)

Radeon HD 3690/3830 10688 Mpixels/sec
GeForce GT 430 1GB 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 1GB

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 1GB Radeon HD 3690/3830
Manufacturer nVidia AMD
Year October 2010 2008
Code Name GF108 RV670 PRO
Memory 1024 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 (in units of megabytes per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 again. If 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 high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip 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 ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GT 430 1GB

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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