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GeForce GT 430 (OEM) vs Radeon HD 3650

Intro

The GeForce GT 430 (OEM) uses a 40 nm design. nVidia has set the core speed at 700 MHz. The GDDR3 memory works at a speed of 900 MHz on this model. It features 96 SPUs as well as 16 TAUs and 4 Rasterization Operator Units.

Compare all of that to the Radeon HD 3650, which uses a 55 nm design. AMD has set the core frequency at 725 MHz. The GDDR4 memory works at a speed of 800 MHz on this specific card. It features 120(24x5) SPUs along with 8 TAUs and 4 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 3650 78 Watts
Difference: 18 Watts (30%)

Memory Bandwidth

The GeForce GT 430 (OEM) should in theory perform a bit faster than the Radeon HD 3650 overall. (explain)

GeForce GT 430 (OEM) 28800 MB/sec
Radeon HD 3650 25600 MB/sec
Difference: 3200 (13%)

Texel Rate

The GeForce GT 430 (OEM) should be quite a bit (about 93%) better at anisotropic filtering than the Radeon HD 3650. (explain)

GeForce GT 430 (OEM) 11200 Mtexels/sec
Radeon HD 3650 5800 Mtexels/sec
Difference: 5400 (93%)

Pixel Rate

The Radeon HD 3650 should be a little bit (about 4%) better at full screen anti-aliasing than the GeForce GT 430 (OEM), and also able to handle higher resolutions while still performing well. (explain)

Radeon HD 3650 2900 Mpixels/sec
GeForce GT 430 (OEM) 2800 Mpixels/sec
Difference: 100 (4%)

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

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Radeon HD 3650

Amazon.com

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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 3650
Manufacturer nVidia AMD
Year October 2010 2008
Code Name GF108 RV635 PRO
Memory 2048 MB 1024 MB
Core Speed 700 MHz 725 MHz
Memory Speed 1800 MHz 1600 MHz
Power (Max TDP) 60 watts 78 watts
Bandwidth 28800 MB/sec 25600 MB/sec
Texel Rate 11200 Mtexels/sec 5800 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 2900 Mpixels/sec
Unified Shaders 96 120(24x5)
Texture Mapping Units 16 8
Render Output Units 4 4
Bus Type GDDR3 GDDR4
Bus Width 128-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 585 million (Unknown) million
Bus PCIe x16 PCIe 2.0 x16/AGP 8x
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the bus width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the video 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 maximum amount of pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GT 430 (OEM)

Amazon.com

Check prices at:

Radeon HD 3650

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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