Jordan Matthews has been sentenced to life in prison, minimum term 18 years, for the murder of his girlfriend.
Jordan Matthews, 24, had been found guilty of murder after beating his girlfriend to death.
Matthews, of Llandaff, Cardiff, attacked XiXi Bi last August.
Cardiff Crown Court had heard how student Xixi Bi, who was just over five feet tall and weighed seven stone, suffered multiple injuries.
Matthews, a pub chef, beat his girlfriend to death because he was paranoid she was cheating on him.
Matthews struck Miss Bi with dozens of blows after seeing what he believed to be a message from the dating app Tinder on her phone.
Miss Bi, also 24, suffered 41 injuries including massive bruising and multiple fractures in the prolonged assault that started at 1.30am on August 19 last year at their flat in Llandaff, Cardiff, South Wales.
At 8.30am she collapsed due to complications from her injuries, which included a broken jaw and ribs, and Matthews called 999.
Matthews, who told police he was a black belt in karate but later admitted that was not true, pleaded guilty to manslaughter but denied murder.
A jury rejected his claim he had not intended to hurt Miss Bi and found him guilty of murder after a 10-day trial.
Sentencing him at Cardiff Crown Court on Tuesday Mrs Justice Nicola Davies said the assault was the "tragic culmination" of a course of physical and verbal abuse over a number of months.
You lied and lied again in order to attempt to exculpate yourself from the overwhelming evidence which was that during the early hours of August 19 2016 your relentlessly and remorselessly inflicted physical injury upon a defenceless young woman.
Xixi Bi's brother Zexun told the court Matthews had "ripped the heart" of his family.
Xixi was needlessly and selfishly killed by Jordan Matthews, a person which she trusted.
In August last year a young woman lost her life at the hands of someone she trusted. Matthews carried out a brutal sustained attack, causing extensive injuries which proved fatal.
Our thoughts are with the family and friends of Xixi Bi. Unfortunately we are all too aware of the severity that domestic abuse can take. On average, 2 women a week are killed in England and Wales by a partner or ex-partner. Coercive controlling behaviour is the most dangerous form of abuse. We must work together to prevent domestic abuse happening in the first place and to enable women and children to access the support and safety they need at an earlier stage.
Xi Xi Bi was enjoying her life living and studying in Cardiff, but that tragically changed when she met Jordan Matthews.