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GeForce GT 430 (OEM) vs GeForce GTX 850M

Intro

The GeForce GT 430 (OEM) features a GPU core 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 comprised of 96 SPUs, 16 Texture Address Units, and 4 Raster Operation Units.

Compare all that to the GeForce GTX 850M, which comes with GPU core speed of 876 MHz, and 2048 MB of DDR3 RAM running at 1000 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 TAUs, and 16 Raster Operation Units.

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

In theory, the GeForce GTX 850M should perform a bit faster than the GeForce GT 430 (OEM) in general. (explain)

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

Texel Rate

The GeForce GTX 850M should be much (approximately 213%) better at texture filtering 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

The GeForce GTX 850M will be a lot (more or less 401%) better at AA than the GeForce GT 430 (OEM), and should be capable of handling higher screen resolutions more effectively. (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

Display 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 max amount of data (in units of megabytes per second) that can be transported across the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach 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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