GeForce GTX 680MX vs GeForce GTX 780M

In this comparison between GeForce GTX 680MX and GeForce GTX 780M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GTX 680MX will be the best choice, for others GeForce GTX 780M will be their preference. Study the comparison tables below and make your choice.

GeForce GTX 680MX and GeForce GTX 780M are Laptop Graphics Cards

Note: GeForce GTX 680MX and GeForce GTX 780M 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 GTX 680MX or GeForce GTX 780M here:

Main Specs

  GeForce GTX 680MX GeForce GTX 780M
Power consumption (TDP) 122 Watt 122 Watt
Interface MXM-B (3.0)
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs
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  • Both graphics cards have the same power consumption of 122 Watt.
  • GeForce GTX 780M has 2 GB more memory, than GeForce GTX 680MX.
  • Both cards are used in Laptops.
  • GeForce GTX 680MX and GeForce GTX 780M are build with Kepler architecture.
  • Core clock speed of GeForce GTX 780M is 103 MHz higher, than GeForce GTX 680MX.
  • GeForce GTX 680MX and GeForce GTX 780M are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GTX 680MX and GeForce GTX 780M is 2500 MHz.

Game benchmarks

high / 1080p 21−24 20−22
ultra / 1080p 12−14 12−14
QHD / 1440p 7−8 6−7
4K / 2160p 5−6 5−6
low / 720p 40−45 40−45
medium / 1080p 27−30 24−27
GeForce GTX 680MX and GeForce GTX 780M have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  GeForce GTX 680MX GeForce GTX 780M
Architecture Kepler Kepler
Code name N14E-GTX
Type Laptop Laptop
Release date 23 October 2012 30 May 2013
Pipelines 1536 1536
Core clock speed 720 MHz 823 MHz
Boost Clock 797 MHz
Transistor count 3540 Million 3,540 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 92.2 billion/sec 102.0
Floating-point performance 2,448 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 2500 MHz 2500 MHz
Memory bandwidth 160 GB/s 160.0 GB/s
Shared memory - -
DirectX 12 API 12 API
Shader Model 5.1
OpenGL 4.5 4.5
OpenCL 1.1 1.1
Vulkan 1.1.126
CUDA + +
CUDA cores 1536 1536
Bus support PCI Express 3.0 PCI Express 3.0, PCI Express 2.0
SLI options + +
HDMI +
3D Vision +
Bitcoin / BTC (SHA256) 57 Mh/s 82 Mh/s
Laptop size large large
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus + +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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