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GeForce GT 430 1GB vs Radeon HD 6750 1GB

Intro

The GeForce GT 430 1GB features 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 SPUs, 16 Texture Address Units, and 4 ROPs.

Compare those specs to the Radeon HD 6750 1GB, which has core speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 720 SPUs along with 36 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB 60 Watts
Radeon HD 6750 1GB 86 Watts
Difference: 26 Watts (43%)

Memory Bandwidth

Theoretically, the Radeon HD 6750 1GB should be a lot faster than the GeForce GT 430 1GB in general. (explain)

Radeon HD 6750 1GB 64000 MB/sec
GeForce GT 430 1GB 28800 MB/sec
Difference: 35200 (122%)

Texel Rate

The Radeon HD 6750 1GB will be a lot (approximately 133%) better at AF than the GeForce GT 430 1GB. (explain)

Radeon HD 6750 1GB 26100 Mtexels/sec
GeForce GT 430 1GB 11200 Mtexels/sec
Difference: 14900 (133%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 6750 1GB is a better choice, and very much so. (explain)

Radeon HD 6750 1GB 11600 Mpixels/sec
GeForce GT 430 1GB 2800 Mpixels/sec
Difference: 8800 (314%)

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 6750 1GB

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 6750 1GB
Manufacturer nVidia AMD
Year October 2010 January 2011
Code Name GF108 Juniper Pro
Memory 1024 MB 1024 MB
Core Speed 700 MHz 725 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 60 watts 86 watts
Bandwidth 28800 MB/sec 64000 MB/sec
Texel Rate 11200 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 96 720
Texture Mapping Units 16 36
Render Output Units 4 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 585 million 1040 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 amount of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock 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 quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 430 1GB

Amazon.com

Check prices at:

Radeon HD 6750 1GB

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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