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GeForce GT 430 (OEM) vs Radeon HD 4850 X2 1GB

Intro

The GeForce GT 430 (OEM) comes with a GPU core clock 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 is made up of 96 SPUs, 16 Texture Address Units, and 4 ROPs.

Compare all of that to the Radeon HD 4850 X2 1GB, which comes with core speeds of 625 MHz on the GPU, and 993 MHz on the 1024 MB of GDDR3 memory. It features 800(160x5) SPUs along with 40 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 (OEM) 60 Watts
Radeon HD 4850 X2 1GB 250 Watts
Difference: 190 Watts (317%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 4850 X2 1GB should be quite a bit faster than the GeForce GT 430 (OEM) overall. (explain)

Radeon HD 4850 X2 1GB 127104 MB/sec
GeForce GT 430 (OEM) 28800 MB/sec
Difference: 98304 (341%)

Texel Rate

The Radeon HD 4850 X2 1GB will be much (approximately 346%) better at AF than the GeForce GT 430 (OEM). (explain)

Radeon HD 4850 X2 1GB 50000 Mtexels/sec
GeForce GT 430 (OEM) 11200 Mtexels/sec
Difference: 38800 (346%)

Pixel Rate

The Radeon HD 4850 X2 1GB will be quite a bit (more or less 614%) faster with regards to full screen anti-aliasing than the GeForce GT 430 (OEM), and should be able to handle higher screen resolutions more effectively. (explain)

Radeon HD 4850 X2 1GB 20000 Mpixels/sec
GeForce GT 430 (OEM) 2800 Mpixels/sec
Difference: 17200 (614%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GT 430 (OEM)

Amazon.com

Check prices at:

Radeon HD 4850 X2 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 (OEM) Radeon HD 4850 X2 1GB
Manufacturer nVidia AMD
Year October 2010 Nov 7, 2008
Code Name GF108 R700
Memory 2048 MB 1024 MB (x2)
Core Speed 700 MHz 625 MHz (x2)
Memory Speed 1800 MHz 1986 MHz (x2)
Power (Max TDP) 60 watts 250 watts
Bandwidth 28800 MB/sec 127104 MB/sec
Texel Rate 11200 Mtexels/sec 50000 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 20000 Mpixels/sec
Unified Shaders 96 800(160x5) (x2)
Texture Mapping Units 16 40 (x2)
Render Output Units 4 16 (x2)
Bus Type GDDR3 GDDR3
Bus Width 128-bit 256-bit (x2)
Fab Process 40 nm 55 nm
Transistors 585 million 956 million
Bus PCIe x16 PCIe 2.0 x16 (PCIe bridge)
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR type RAM, the result should 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core speed of the card. 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 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 (OEM)

Amazon.com

Check prices at:

Radeon HD 4850 X2 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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