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GeForce GT 430 1GB vs Radeon HD 3650 512MB

Intro

The GeForce GT 430 1GB comes with a GPU core speed of 700 MHz, and the 1024 MB of GDDR3 RAM runs at 900 MHz through a 128-bit bus. It also is made up of 96 Stream Processors, 16 TAUs, and 4 ROPs.

Compare those specs to the Radeon HD 3650 512MB, which uses a 55 nm design. AMD has set the core frequency at 725 MHz. The GDDR3 memory is set to run at a speed of 800 MHz on this card. It features 120(24x5) SPUs as well as 8 Texture Address Units and 4 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB 60 Watts
Radeon HD 3650 512MB 78 Watts
Difference: 18 Watts (30%)

Memory Bandwidth

In theory, the GeForce GT 430 1GB will be 13% quicker than the Radeon HD 3650 512MB in general, because of its greater bandwidth. (explain)

GeForce GT 430 1GB 28800 MB/sec
Radeon HD 3650 512MB 25600 MB/sec
Difference: 3200 (13%)

Texel Rate

The GeForce GT 430 1GB is a lot (approximately 93%) more effective at texture filtering than the Radeon HD 3650 512MB. (explain)

GeForce GT 430 1GB 11200 Mtexels/sec
Radeon HD 3650 512MB 5800 Mtexels/sec
Difference: 5400 (93%)

Pixel Rate

The Radeon HD 3650 512MB should be just a bit (more or less 4%) faster with regards to FSAA than the GeForce GT 430 1GB, and also capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon HD 3650 512MB 2900 Mpixels/sec
GeForce GT 430 1GB 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 1GB

Amazon.com

Check prices at:

Radeon HD 3650 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 3650 512MB
Manufacturer nVidia AMD
Year October 2010 2008
Code Name GF108 RV635 PRO
Memory 1024 MB 512 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 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/AGP 8x
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 MB per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better 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 texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total amount of 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 430 1GB

Amazon.com

Check prices at:

Radeon HD 3650 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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