Vikings are privateers. Their fundamental aptitude was cruising on a longship to plunder waterfront towns and afterward move away before any military power appeared. They were likewise daintily protected, worked for speed and considering they were privateers, they needed to convey the plunder back which can be more troublesome with full chainmail and your stuff.
This is generally likely what a real Viking would have worn and the cushioned material he has was exceptionally normal in the early archaic ages as thick fabric was less expensive than calfskin and dissimilar to cowhide, it very well may be fixed simpler, and lighter than any metal defensive layer.
Regardless of what films depict, cushioned material or a Gambeson as they were known, could secure the wearer against specific shots and cutting of a blade. Making it extraordinary for portable centered infantry.
Likewise Vikings had a whole lot lower populace than Muslims during the Middle Ages, they were a calling in overwhelmingly Nordic Kingdoms or Tribes not at all like Muslims which is a whole strict gathering (Islam).
Nordic Armies were comprised of workers, bowmen, and a little first class stun power intended to infiltrate and abuse holes in the development of the restricting fight line.
Here is a Huskarl or Housecarl, they were those tip top guardians of the King or Jarl. Note the essential weapon: a lance and shield. They needed to fight vigorously heavily clad rivals at times and blade in some cases couldn't completely infiltrate chainmail however a speedy push of a pinpoint lance could dependably enter most types of defensive layer.
In any case, the majority of a Nordic Army was made up these folks:
Typically a Nordic Army could field 10,000 - 30,000 men while a Caliphates armed force could be around 40,000 - 60,000.
Muslim armed forces additionally had more weighty rangers than their Nordic rivals.
So with everything taken into account I'd state the Islamic Army has the bit of leeway yet the territory is the most significant. European Armies needed to battle in mountains and forested landscape which implied they place more significance on defensive layer and having the option to moor on a characteristic territory development. Islamic armed forces regularly battled in the desert which implied fast developments and speed was more significant yet they likewise profited by being rich than their European enemies as the Caliphates has command over the most Islamic world versus a separated Europe.