Quadro K620M vs Radeon R9 M270X

Find out if it is worth upgrading your current GPU setup by comparing Quadro K620M and Radeon R9 M270X. 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 Quadro K620M and Radeon R9 M270X. 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.

Quadro K620M is a Laptop Graphics Card

Note: Quadro K620M 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 Quadro K620M here:

Main Specs

  Quadro K620M Radeon R9 M270X
Power consumption (TDP) 30 Watt
Interface MXM-A (3.0) PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
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  • Quadro K620M is connected by MXM-A (3.0), and Radeon R9 M270X uses PCIe 3.0 x16 interface.
  • Radeon R9 M270X has 2 GB more memory, than Quadro K620M.
  • Quadro K620M is used in Mobile workstations, and Radeon R9 M270X - in Desktops.
  • Quadro K620M is build with Maxwell architecture, and Radeon R9 M270X - with GCN 1.0.
  • Core clock speed of Quadro K620M is 304 MHz higher, than Radeon R9 M270X.
  • Quadro K620M and Radeon R9 M270X are manufactured by 28 nm process technology.
  • Memory clock speed of Quadro K620M is 875 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 3−4 6−7
ultra / 1080p 1−2 4−5
QHD / 1440p 0−1 0−1
low / 720p 14−16 16−18
medium / 1080p 5−6 8−9
The average gaming FPS of Radeon R9 M270X in Assassin's Creed Odyssey is 50% more, than Quadro K620M.

Full Specs

  Quadro K620M Radeon R9 M270X
Architecture Maxwell GCN 1.0
Code name GM108 Venus
Type Mobile workstation Desktop
Release date 1 March 2015 21 March 2014
Pipelines 384 640
Core clock speed 1029 MHz 725 MHz
Boost Clock 1124 MHz 775 MHz
Transistor count 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 17.98 31.00
Floating-point performance 863.2 gflops 1,536 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 2000 MHz 1125 MHz
Memory bandwidth 14.4 GB/s 72 GB/s
Shared memory -
DirectX 12
Shader Model 5 5.1
OpenGL 4.5 4.4
OpenCL 1.2 Not Listed
Vulkan 1.1.126
CUDA +
FreeSync +
Bus support PCIe 3.0 x16
Bitcoin / BTC (SHA256) 92 Mh/s
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
Display Port 1.2
nView Display Management +
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