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GeForce GT 420 vs GeForce GTX 960M

Intro

The GeForce GT 420 comes with a GPU core speed of 700 MHz, and the 2048 MB of GDDR3 RAM runs at 900 MHz through a 128-bit bus. It also is comprised of 48 Stream Processors, 8 TAUs, and 4 ROPs.

Compare those specifications to the GeForce GTX 960M, which has core clock speeds of 1096 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 RAM. It features 640 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 420 50 Watts
GeForce GTX 960M 65 Watts
Difference: 15 Watts (30%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 960M should perform quite a bit faster than the GeForce GT 420 in general. (explain)

GeForce GTX 960M 64000 MB/sec
GeForce GT 420 28800 MB/sec
Difference: 35200 (122%)

Texel Rate

The GeForce GTX 960M will be a lot (more or less 683%) better at AF than the GeForce GT 420. (explain)

GeForce GTX 960M 43840 Mtexels/sec
GeForce GT 420 5600 Mtexels/sec
Difference: 38240 (683%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 960M is superior to the GeForce GT 420, and very much so. (explain)

GeForce GTX 960M 17536 Mpixels/sec
GeForce GT 420 2800 Mpixels/sec
Difference: 14736 (526%)

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

Display Prices

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GeForce GT 420

Amazon.com

Check prices at:

GeForce GTX 960M

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 420 GeForce GTX 960M
Manufacturer nVidia nVidia
Year September 2010 March 12 2015
Code Name GF108 GM107
Memory 2048 MB 2048 MB
Core Speed 700 MHz 1096 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 50 watts 65 watts
Bandwidth 28800 MB/sec 64000 MB/sec
Texel Rate 5600 Mtexels/sec 43840 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 17536 Mpixels/sec
Unified Shaders 48 640
Texture Mapping Units 8 40
Render Output Units 4 16
Bus Type GDDR3 GDDR5
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: Bandwidth is the max amount of data (counted in MB per second) that can be moved past the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. 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 texture map elements (texels) that can be 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels 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 number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 420

Amazon.com

Check prices at:

GeForce GTX 960M

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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