Korn
* Formed in Bakersfield, California, in 1993.
* Known for their heavy, aggressive sound and distinctive visual style.
* Has sold over 40 million albums worldwide.
* Has won two Grammy Awards and been nominated for seven.
* Has toured extensively and has a loyal fan base.
Pantera
* Formed in Arlington, Texas, in 1981.
* Initially played glam metal but transitioned to a heavier, more aggressive sound in the late 1980s.
* Has sold over 20 million albums worldwide.
* Has won two Grammy Awards and been nominated for four.
* Has toured extensively and has a dedicated fan base.
In terms of overall popularity, Korn may have a slight edge due to their longer career and broader mainstream success. However, Pantera has a strong following among metal fans and is considered one of the pioneers of the groove metal genre. Both bands have made significant contributions to the metal scene and continue to have dedicated fan bases.