Quadro K420 vs Qualcomm Adreno 680

In this comparison between Quadro K420 and Qualcomm Adreno 680 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 K420 will be the best choice, for others Qualcomm Adreno 680 will be their preference. Study the comparison tables below and make your choice.

Qualcomm Adreno 680 is a Laptop Graphics Card

Note: Qualcomm Adreno 680 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 Qualcomm Adreno 680 here:

Main Specs

  Quadro K420 Qualcomm Adreno 680
Power consumption (TDP) 41 Watt
Interface PCIe 2.0 x16
Supplementary power connectors None
Memory type 128 Bit
Maximum RAM amount 1 GB/2 GB
Display Connectors 1x DVI, 1x DisplayPort
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  • Quadro K420 is used in Desktops, and Qualcomm Adreno 680 - in Laptops.
  • Quadro K420 is manufactured by 28 nm process technology, and Qualcomm Adreno 680 - by 7 nm process technology.

Game benchmarks

high / 1080p 0−1 0−1
ultra / 1080p 0−1
QHD / 1440p 0−1 0−1
low / 720p 9−10 1−2
medium / 1080p 1−2 0−1
The average gaming FPS of Quadro K420 in Assassin's Creed Odyssey is 800% more, than Qualcomm Adreno 680.

Full Specs

  Quadro K420 Qualcomm Adreno 680
Architecture Kepler
Code name GK107
Type Workstation Laptop
Release date 22 July 2014 6 December 2018
Pipelines 192
Core clock speed 876 MHz
Transistor count 1,270 million
Manufacturing process technology 28 nm 7 nm
Texture fill rate 14.02
Floating-point performance 336.4 gflops
Length 160 mm
Memory bus width 128 Bit
Memory clock speed 1782 MHz
Shared memory +
DirectX 12 DirectX 12
Shader Model 5
OpenGL 4.5
OpenCL 1.2
Vulkan +
CUDA 3.0
Bitcoin / BTC (SHA256) 11 Mh/s
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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