Reports quote officials as saying a group of young people, including at least one who had a knife, are believed to have attacked the Africans yesterday evening near a dormitory.
The Cameroonian victim is reported to have died of his wounds immediately while the second victim was taken to hospital.
Police are investigating whether the attack may have been motivated by the race of the victims.
Racist attacks have been on the rise in Russia, including in St. Petersburg, where a Congolese student was murdered in September. A Peruvian student was killed in the city of Voronezh in October.
(ITAR-TASS, RFE/RL's Russian Service)