The 206-run defeat is the second largest for Bangladesh in ODIs and their largest margin of defeat in World Cups. The previous highest margin of defeat in World Cups was the 198-run loss to Sri Lanka in 2007.
This is Bangladesh's second score below 100 in World Cups. They now share the record for most team scores below 100 with Canada, Namibia and Ireland.
Bangladesh's 78 is their sixth-lowest score in ODIs and their lowest against against South Africa. Three of their top six lowest scores have come in Dhaka.
Bangladesh scored just seven runs in the bowling Powerplay which is the lowest score by a team in the bowling Powerplay in the tournament. The previous lowest was nine runs by Kenya against Sri Lanka.
The win is South Africa's eighth by a margin of 200 runs or more in ODIs. It is also the third-largest margin of victory for South Africa in World Cups.
Robin Peterson's 4 for 12 is his best bowling performance in ODIs surpassing his 3 for 22 against England in Chennai.
Jacques Kallis became the highest run getter for South Africa in World Cups after going past Herschelle Gibbs' tally of 1067 runs.