GeForce GTX 680MX vs HD Graphics 630

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 680MX and HD Graphics 630. 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 GTX 680MX and HD Graphics 630. 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 GTX 680MX is a Laptop Graphics Card

Note: GeForce GTX 680MX 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 680MX here:

Main Specs

  GeForce GTX 680MX HD Graphics 630
Power consumption (TDP) 122 Watt 15 Watt
Interface PCIe 3.0 x1
Memory type GDDR5 DDR3L/LPDDR3/LPDDR4
Maximum RAM amount 2 GB 64 GB
Display Connectors No outputs
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  • GeForce GTX 680MX has 713% more power consumption, than HD Graphics 630.
  • HD Graphics 630 has 62 GB more memory, than GeForce GTX 680MX.
  • GeForce GTX 680MX is used in Laptops, and HD Graphics 630 - in Desktops.
  • GeForce GTX 680MX is build with Kepler architecture, and HD Graphics 630 - with Gen. 9.5 Kaby Lake.
  • Core clock speed of GeForce GTX 680MX is 420 MHz higher, than HD Graphics 630.
  • GeForce GTX 680MX is manufactured by 28 nm process technology, and HD Graphics 630 - by 14 nm process technology.

Game benchmarks

high / 1080p 21−24 3−4
ultra / 1080p 12−14 1−2
QHD / 1440p 7−8 0−1
4K / 2160p 5−6
low / 720p 40−45 14−16
medium / 1080p 27−30 5−6
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 333% more, than HD Graphics 630.

Full Specs

  GeForce GTX 680MX HD Graphics 630
Architecture Kepler Gen. 9.5 Kaby Lake
Code name Kaby-Lake-H-GT2
Type Laptop Desktop
Release date 23 October 2012 1 January 2017
Pipelines 1536 24
Core clock speed 720 MHz 300 MHz
Boost Clock 1150 MHz
Transistor count 3540 Million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 92.2 billion/sec 26.40
Floating-point performance 441.6 gflops
Memory bus width 256 Bit 64/128 Bit
Memory clock speed 2500 MHz
Memory bandwidth 160 GB/s
Shared memory - +
DirectX 12 API 12 (12_1)
Shader Model 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.1
Vulkan 1.1.103
CUDA +
CUDA cores 1536
Bus support PCI Express 3.0
SLI options +
3D Vision +
Bitcoin / BTC (SHA256) 57 Mh/s
Laptop size large
Optimus +
Quick Sync +
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