Quadro K620M vs Radeon HD 6770

In this comparison between Quadro K620M and Radeon HD 6770 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Quadro K620M will be the best choice, for others Radeon HD 6770 will be their preference. Study the comparison tables below and make your choice.

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 6770
Power consumption (TDP) 30 Watt 108 Watt
Interface MXM-A (3.0) PCIe 2.0 x16
Supplementary power connectors None 1x 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6770 has 260% more power consumption, than Quadro K620M.
  • Quadro K620M is connected by MXM-A (3.0), and Radeon HD 6770 uses PCIe 2.0 x16 interface.
  • Quadro K620M has 1 GB more memory, than Radeon HD 6770.
  • Quadro K620M is used in Mobile workstations, and Radeon HD 6770 - in Desktops.
  • Quadro K620M is build with Maxwell architecture, and Radeon HD 6770 - with TeraScale 2.
  • Quadro K620M is manufactured by 28 nm process technology, and Radeon HD 6770 - by 40 nm process technology.
  • Memory clock speed of Quadro K620M is 950 MHz higher, than Radeon HD 6770.

Game benchmarks

high / 1080p 3−4 3−4
ultra / 1080p 1−2 1−2
QHD / 1440p 0−1 0−1
low / 720p 14−16 14−16
medium / 1080p 5−6 5−6
Quadro K620M and Radeon HD 6770 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Quadro K620M Radeon HD 6770
Architecture Maxwell TeraScale 2
Code name GM108 Juniper
Type Mobile workstation Desktop
Release date 1 March 2015 21 January 2011
Pipelines 384 800
Core clock speed 1029 MHz
Boost Clock 1124 MHz 900 MHz
Transistor count 1,040 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 17.98 34.00
Floating-point performance 863.2 gflops 1,360.0 gflops
Length 198 mm
Memory bus width 64 Bit 128 Bit
Memory clock speed 2000 MHz 1050 MHz
Memory bandwidth 14.4 GB/s 76.8 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 118 Mh/s
Optimus +
Eyefinity +
Design reference
CrossFire +
Display Port 1.2
nView Display Management +
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