GeForce GTX 680M vs Radeon 550X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 680M and Radeon 550X. 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 680M and Radeon 550X. 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 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 Radeon 550X
Power consumption (TDP) 100 Watt 50 Watt
Interface MXM-B (3.0) PCIe 3.0 x8
Supplementary power connectors None None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • GeForce GTX 680M has 100% more power consumption, than Radeon 550X.
  • GeForce GTX 680M is connected by MXM-B (3.0), and Radeon 550X uses PCIe 3.0 x8 interface.
  • GeForce GTX 680M has 2 GB more memory, than Radeon 550X.
  • GeForce GTX 680M is used in Laptops, and Radeon 550X - in Desktops.
  • GeForce GTX 680M is build with Kepler architecture, and Radeon 550X - with GCN 4.0.
  • Core clock speed of Radeon 550X is 362 MHz higher, than GeForce GTX 680M.
  • GeForce GTX 680M is manufactured by 28 nm process technology, and Radeon 550X - by 14 nm process technology.
  • Memory clock speed of Radeon 550X is 5200 MHz higher, than GeForce GTX 680M.

Game benchmarks

high / 1080p 16−18 7−8
ultra / 1080p 9−10 4−5
QHD / 1440p 4−5 0−1
4K / 2160p 4−5
low / 720p 30−35 16−18
medium / 1080p 20−22 9−10
The average gaming FPS of GeForce GTX 680M in Assassin's Creed Odyssey is 122% more, than Radeon 550X.

Full Specs

  GeForce GTX 680M Radeon 550X
Architecture Kepler GCN 4.0
Code name N13E-GTX Lexa
Type Laptop Desktop
Release date 4 June 2012 27 March 2019
Pipelines 1344 512
Core clock speed 720 MHz 1082 MHz
Boost Clock 758 MHz 1218 MHz
Transistor count 3,540 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 80.6 billion/sec 38.98
Floating-point performance 2,038 gflops
Length 145 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 1800 MHz 7000 MHz
Memory bandwidth 115.2 GB/s 112.0 GB/s
Shared memory -
DirectX 12 API 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.0
Vulkan 1.1.126 1.2.131
CUDA +
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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