GeForce 945M vs GeForce GTX 680MX

Find out if it is worth upgrading your current GPU setup by comparing GeForce 945M and GeForce GTX 680MX. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 945M and GeForce GTX 680MX. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

GeForce 945M and GeForce GTX 680MX are Laptop Graphics Cards

Note: GeForce 945M and GeForce GTX 680MX are only used in laptop graphics. They have 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 945M or GeForce GTX 680MX here:

Main Specs

  GeForce 945M GeForce GTX 680MX
Power consumption (TDP) 75 Watt 122 Watt
Interface MXM-B (3.0)
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs
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  • GeForce GTX 680MX has 62% more power consumption, than GeForce 945M.
  • GeForce 945M has 2 GB more memory, than GeForce GTX 680MX.
  • Both cards are used in Laptops.
  • GeForce 945M is build with Maxwell architecture, and GeForce GTX 680MX - with Kepler.
  • Core clock speed of GeForce 945M is 208 MHz higher, than GeForce GTX 680MX.
  • GeForce 945M and GeForce GTX 680MX are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GTX 680MX is 500 MHz higher, than GeForce 945M.

Game benchmarks

high / 1080p 10−11 21−24
ultra / 1080p 6−7 12−14
QHD / 1440p 1−2 7−8
4K / 2160p 5−6
low / 720p 24−27 40−45
medium / 1080p 12−14 27−30
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 100% more, than GeForce 945M.

Full Specs

  GeForce 945M GeForce GTX 680MX
Architecture Maxwell Kepler
Code name GM107
Type Laptop Laptop
Release date 12 March 2015 23 October 2012
Pipelines 512 1536
Core clock speed 928 MHz 720 MHz
Boost Clock 1045 MHz
Transistor count 1,870 million 3540 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 40.80 92.2 billion/sec
Floating-point performance 953.9 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 2000 MHz 2500 MHz
Memory bandwidth 28.8 GB/s 160 GB/s
Shared memory - -
DirectX 12 (11_0) 12 API
Shader Model 5.1
OpenGL 4.5 4.5
OpenCL 1.2 1.1
Vulkan 1.1.126
CUDA + +
CUDA cores 1536
Bus support PCI Express 3.0 PCI Express 3.0
SLI options +
3D Vision +
Bitcoin / BTC (SHA256) 107 Mh/s 57 Mh/s
Laptop size medium sized large
Optimus + +
GPU Boost 2.0
GameWorks +
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