Quadro K620M vs Radeon HD 6970

Find out if it is worth upgrading your current GPU setup by comparing Quadro K620M and Radeon HD 6970. 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 HD 6970. 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 HD 6970
Power consumption (TDP) 30 Watt 550 Watt
Interface MXM-A (3.0) PCIe 2.0 x16
Supplementary power connectors None 1x 6-pin + 1x 8-pin
Memory type DDR3 DDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6970 has 1733% more power consumption, than Quadro K620M.
  • Quadro K620M is connected by MXM-A (3.0), and Radeon HD 6970 uses PCIe 2.0 x16 interface.
  • Quadro K620M and Radeon HD 6970 have maximum RAM of 2 GB.
  • Quadro K620M is used in Mobile workstations, and Radeon HD 6970 - in Desktops.
  • Quadro K620M is build with Maxwell architecture, and Radeon HD 6970 - with Terascale 2.
  • Quadro K620M is manufactured by 28 nm process technology, and Radeon HD 6970 - by 40 nm process technology.
  • Memory clock speed of Quadro K620M is 625 MHz higher, than Radeon HD 6970.

Game benchmarks

high / 1080p 3−4 14−16
ultra / 1080p 1−2 9−10
QHD / 1440p 0−1 3−4
low / 720p 14−16 30−35
medium / 1080p 5−6 18−20
The average gaming FPS of Radeon HD 6970 in Assassin's Creed Odyssey is 216% more, than Quadro K620M.

Full Specs

  Quadro K620M Radeon HD 6970
Architecture Maxwell Terascale 2
Code name GM108 Cayman
Type Mobile workstation Desktop
Release date 1 March 2015 14 December 2010
Pipelines 384 1536
Core clock speed 1029 MHz
Boost Clock 1124 MHz 880 MHz
Transistor count 2,640 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 17.98 84.48
Floating-point performance 863.2 gflops 2,703.4 gflops
Length 267 mm
Memory bus width 64 Bit 256 Bit
Memory clock speed 2000 MHz 1375 MHz
Memory bandwidth 14.4 GB/s
Shared memory -
DirectX 12
Shader Model 5 5.0
OpenGL 4.5 4.4
OpenCL 1.2 1.2
Vulkan 1.1.126
CUDA +
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 92 Mh/s 273 Mh/s
Optimus +
Eyefinity +
Design reference
CrossFire +
Display Port 1.2
nView Display Management +
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