Iris Graphics 540 vs Quadro K620M

Find out if it is worth upgrading your current GPU setup by comparing Iris Graphics 540 and Quadro K620M. 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 Iris Graphics 540 and Quadro K620M. 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.

Iris Graphics 540 and Quadro K620M are Laptop Graphics Cards

Note: Iris Graphics 540 and Quadro K620M 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 Iris Graphics 540 or Quadro K620M here:

Main Specs

  Iris Graphics 540 Quadro K620M
Power consumption (TDP) 15 Watt 30 Watt
Interface PCIe 3.0 x1 MXM-A (3.0)
Supplementary power connectors None
Memory type eDRAM DDR3
Maximum RAM amount 64 MB 2 GB
Display Connectors No outputs No outputs
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  • Quadro K620M has 100% more power consumption, than Iris Graphics 540.
  • Iris Graphics 540 is connected by PCIe 3.0 x1, and Quadro K620M uses MXM-A (3.0) interface.
  • Iris Graphics 540 has 62 GB more memory, than Quadro K620M.
  • Iris Graphics 540 is used in Laptops, and Quadro K620M - in Mobile workstations.
  • Iris Graphics 540 is build with Gen. 9 Skylake architecture, and Quadro K620M - with Maxwell.
  • Core clock speed of Quadro K620M is 729 MHz higher, than Iris Graphics 540.
  • Iris Graphics 540 is manufactured by 14 nm process technology, and Quadro K620M - by 28 nm process technology.

Game benchmarks

high / 1080p 8−9 3−4
ultra / 1080p 5−6 1−2
QHD / 1440p 0−1 0−1
low / 720p 20−22 14−16
medium / 1080p 10−12 5−6
The average gaming FPS of Iris Graphics 540 in Assassin's Creed Odyssey is 83% more, than Quadro K620M.

Full Specs

  Iris Graphics 540 Quadro K620M
Architecture Gen. 9 Skylake Maxwell
Code name Skylake GT3e GM108
Type Laptop Mobile workstation
Release date 1 September 2015 1 March 2015
Pipelines 48 384
Core clock speed 300 MHz 1029 MHz
Boost Clock 1050 MHz 1124 MHz
Transistor count 189 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 50.40 17.98
Floating-point performance 863.2 gflops
Memory bus width 64 Bit
Memory clock speed 2000 MHz
Memory bandwidth 14.4 GB/s
Shared memory + -
DirectX 12 (12_1) 12
Shader Model 6.4 5
OpenGL 4.6 4.5
OpenCL 2.1 1.2
Vulkan 1.1.97 1.1.126
CUDA +
Bitcoin / BTC (SHA256) 92 Mh/s
Optimus +
Quick Sync +
Display Port 1.2
nView Display Management +
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