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GeForce GT 430 (OEM) vs GeForce GTX 850M

Intro

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

Compare those specs to the GeForce GTX 850M, which has GPU clock speed of 876 MHz, and 2048 MB of DDR3 RAM set to run at 1000 MHz through a 128-bit bus. It also is made up of 640 Stream Processors, 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

In theory, the GeForce GTX 850M should be a bit faster than 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 is a lot (more or less 213%) more effective 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

If running with lots of anti-aliasing is important to you, then the GeForce GTX 850M is a better choice, by a large margin. (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 largest amount of data (measured in MB per second) that can be transported over the external memory interface in a 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 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the video 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 most pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max 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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