The best replacement for msi afterburner is fraps.

The best alternatives to msi afterburner are rated as following:
★★★★★  fraps
★★★★  evga precision
★★★★  evga precision x
★★★  trixx
★★★  amd overdrive
★★★  catalyst control center
★★  precision x
★★  shadowplay
★★  asus gpu tweak
★★  rivatuner
★★  gigabyte oc guru
★★  nvidia inspector
★  sapphire trixx
★  dxtory
★  amd catalyst
★  ati overdrive
★  bandicam
  oc guru
  radeonpro
  asus smartdoctor

Your alternative for msi afterburner is not listed? Suggest!
Speaking about msi afterburner, one probably shouldn't forget about enb.

Other search terms related to msi afterburner and their ratings are:
★★★★★ enb
★ voltage control
You have in mind a companion for msi afterburner and it is not yet here? Propose!



Google Trends

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msi afterburner
fraps
evga precision