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GeForce GT 430 (OEM) vs GeForce GTX 850M

Intro

The GeForce GT 430 (OEM) has clock speeds of 700 MHz on the GPU, and 900 MHz on the 2048 MB of GDDR3 RAM. It features 96 SPUs along with 16 TAUs and 4 Rasterization Operator Units.

Compare all of that to the GeForce GTX 850M, which uses a 28 nm design. nVidia has set the core frequency at 876 MHz. The DDR3 RAM runs at a speed of 1000 MHz on this particular model. It features 640 SPUs along with 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M 40 Watts
GeForce GT 430 (OEM) 60 Watts
Difference: 20 Watts (50%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 850M should in theory be a small bit superior to the GeForce GT 430 (OEM) overall. (explain)

GeForce GTX 850M 32000 MB/sec
GeForce GT 430 (OEM) 28800 MB/sec
Difference: 3200 (11%)

Texel Rate

The GeForce GTX 850M will be much (more or less 213%) more effective at AF than the GeForce GT 430 (OEM). (explain)

GeForce GTX 850M 35040 Mtexels/sec
GeForce GT 430 (OEM) 11200 Mtexels/sec
Difference: 23840 (213%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 850M is superior to the GeForce GT 430 (OEM), by far. (explain)

GeForce GTX 850M 14016 Mpixels/sec
GeForce GT 430 (OEM) 2800 Mpixels/sec
Difference: 11216 (401%)

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

Check prices at:

GeForce GTX 850M

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) GeForce GTX 850M
Manufacturer nVidia nVidia
Year October 2010 March 12 2014
Code Name GF108 GM107
Memory 2048 MB 2048 MB
Core Speed 700 MHz 876 MHz
Memory Speed 1800 MHz 2000 MHz
Power (Max TDP) 60 watts 40 watts
Bandwidth 28800 MB/sec 32000 MB/sec
Texel Rate 11200 Mtexels/sec 35040 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 14016 Mpixels/sec
Unified Shaders 96 640
Texture Mapping Units 16 40
Render Output Units 4 16
Bus Type GDDR3 DDR3
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 585 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, 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 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 number of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 430 (OEM)

Amazon.com

Check prices at:

GeForce GTX 850M

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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