GeForce GTX 680M vs GeForce GTX 850A

When choosing between GeForce GTX 680M and GeForce GTX 850A, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 680M and GeForce GTX 850A.

GeForce GTX 680M is a Laptop Graphics Card

Note: GeForce GTX 680M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GTX 680M here:

Main Specs

  GeForce GTX 680M GeForce GTX 850A
Power consumption (TDP) 100 Watt 45 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 DDR3
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 680M has 122% more power consumption, than GeForce GTX 850A.
  • GeForce GTX 680M is connected by MXM-B (3.0), and GeForce GTX 850A uses PCIe 3.0 x16 interface.
  • GeForce GTX 680M has 2 GB more memory, than GeForce GTX 850A.
  • GeForce GTX 680M is used in Laptops, and GeForce GTX 850A - in Desktops.
  • GeForce GTX 680M is build with Kepler architecture, and GeForce GTX 850A - with Maxwell.
  • Core clock speed of GeForce GTX 850A is 182 MHz higher, than GeForce GTX 680M.
  • GeForce GTX 680M and GeForce GTX 850A are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GTX 680M and GeForce GTX 850A is 1800 MHz.

Game benchmarks

high / 1080p 16−18 1−2
ultra / 1080p 9−10 0−1
QHD / 1440p 4−5 0−1
4K / 2160p 4−5
low / 720p 30−35 12−14
medium / 1080p 20−22 3−4
The average gaming FPS of GeForce GTX 680M in Assassin's Creed Odyssey is 283% more, than GeForce GTX 850A.

Full Specs

  GeForce GTX 680M GeForce GTX 850A
Architecture Kepler Maxwell
Code name N13E-GTX GM107
Type Laptop Desktop
Release date 4 June 2012 17 March 2014
Pipelines 1344 640
Core clock speed 720 MHz 902 MHz
Boost Clock 758 MHz 936 MHz
Transistor count 3,540 million 1,870 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 80.6 billion/sec 37.44
Floating-point performance 2,038 gflops 1,198 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1800 MHz 1800 MHz
Memory bandwidth 115.2 GB/s 28.8 GB/s
Shared memory -
DirectX 12 API 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan 1.1.126 1.1.126
CUDA + 5.0
CUDA cores 1344
Bus support PCI Express 3.0
SLI options +
Bitcoin / BTC (SHA256) 100 Mh/s
Laptop size large
Optimus +
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