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GeForce 830M vs GeForce GTX 960

Intro

The GeForce 830M comes with a clock speed of 1029 MHz and a DDR3 memory speed of 900 MHz. It also features a 64-bit bus, and makes use of a 28 nm design. It features 256 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare all of that to the GeForce GTX 960, which has a clock speed of 1127 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 128-bit bus, and makes use of a 28 nm design. It is comprised of 1024 SPUs, 64 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 830M 25 Watts
GeForce GTX 960 120 Watts
Difference: 95 Watts (380%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 960 should perform a lot faster than the GeForce 830M in general. (explain)

GeForce GTX 960 112000 MB/sec
GeForce 830M 14400 MB/sec
Difference: 97600 (678%)

Texel Rate

The GeForce GTX 960 will be a lot (about 338%) more effective at anisotropic filtering than the GeForce 830M. (explain)

GeForce GTX 960 72128 Mtexels/sec
GeForce 830M 16464 Mtexels/sec
Difference: 55664 (338%)

Pixel Rate

The GeForce GTX 960 will be a lot (approximately 338%) better at AA than the GeForce 830M, and capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 960 36064 Mpixels/sec
GeForce 830M 8232 Mpixels/sec
Difference: 27832 (338%)

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 830M

Amazon.com

Check prices at:

GeForce GTX 960

Amazon.com

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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 830M GeForce GTX 960
Manufacturer nVidia nVidia
Year March 12 2014 January 2015
Code Name GM108 GM206
Memory 2048 MB 2048 MB
Core Speed 1029 MHz 1127 MHz
Memory Speed 1800 MHz 7000 MHz
Power (Max TDP) 25 watts 120 watts
Bandwidth 14400 MB/sec 112000 MB/sec
Texel Rate 16464 Mtexels/sec 72128 Mtexels/sec
Pixel Rate 8232 Mpixels/sec 36064 Mpixels/sec
Unified Shaders 256 1024
Texture Mapping Units 16 64
Render Output Units 8 32
Bus Type DDR3 GDDR5
Bus Width 64-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 2940 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of MB per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the 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 applied per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 830M

Amazon.com

Check prices at:

GeForce GTX 960

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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