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Olympus OM-D E-M1 III — Micro Four Thirds · 2020
Olympus

Olympus OM-D E-M1 III

Micro Four Thirds · 2020

78
/ 100
From $1,799
VS
Canon EOS R5 Mark II wins by 17
Canon EOS R5 Mark II — full-frame · 2024
Canon

Canon EOS R5 Mark II

full-frame · 2024

95
/ 100
From $4,299
Specdex verdict

Canon EOS R5 Mark II takes it — here’s why.

In our weighted Specdex score, Olympus OM-D E-M1 III lands at 78 and Canon EOS R5 Mark II at 95. That puts Canon EOS R5 Mark II ahead by 17 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Olympus OM-D E-M1 III if…

  • Mature system, great used market
  • Proven lens lineup
  • Often on sale

Pick Canon EOS R5 Mark II if…

  • Current-gen AF system
  • Proven lens ecosystem
  • Strong video + stills balance
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Photo

Canon EOS R5 Mark II

Compared on the photo sub-score

Canon EOS R5 Mark II leads on photo (95 vs 78).

Ergonomics

Tie

Compared on the ergonomics sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Autofocus

Canon EOS R5 Mark II

Compared on the autofocus sub-score

Canon EOS R5 Mark II leads on autofocus (93 vs 74).

Value for money

Olympus OM-D E-M1 III

Specdex score per dollar at MSRP

Olympus OM-D E-M1 III more score per dollar ($1,799 vs $4,299).

Olympus OM-D E-M1 III 78
vs
95 Canon EOS R5 Mark II

Score breakdown

Olympus OM-D E-M1 III
78
photo 78
video 70
autofocus 74
ergonomics 86
Canon EOS R5 Mark II
95
photo 95
video 91
autofocus 93
ergonomics 86

Specs side-by-side

Olympus OM-D E-M1 III versus Canon EOS R5 Mark II — full spec comparison
Spec Olympus OM-D E-M1 III Canon EOS R5 Mark II
Format
Micro Four Thirds
full-frame
Release year
2020
2024

Olympus OM-D E-M1 III

Pros
  • +Mature system, great used market
  • +Proven lens lineup
  • +Often on sale
Cons
  • Older AF system
  • Heavier than modern mirrorless
  • Firmware updates trailed off

Canon EOS R5 Mark II

Pros
  • +Current-gen AF system
  • +Proven lens ecosystem
  • +Strong video + stills balance
Cons
  • Body price excludes lens
  • Heavy for travel (flagship)
  • Learning curve on menus

FAQ: Olympus OM-D E-M1 III vs Canon EOS R5 Mark II

Which is better, Olympus OM-D E-M1 III or Canon EOS R5 Mark II? +

Canon EOS R5 Mark II scores 95 on our weighted rubric — ahead by 17. Your best pick depends on the sub-scores above.

Is Olympus OM-D E-M1 III worth the price? +

At $1,799, Olympus OM-D E-M1 III delivers a Specdex score of 78 — strongest in ergonomics.

Is Canon EOS R5 Mark II worth the price? +

At $4,299, Canon EOS R5 Mark II delivers a Specdex score of 95 — strongest in photo.

Does Olympus OM-D E-M1 III or Canon EOS R5 Mark II last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for photo, Olympus OM-D E-M1 III or Canon EOS R5 Mark II? +

Canon EOS R5 Mark II — leads on photo (95 vs 78). Compared on the photo sub-score.

Which is better for autofocus, Olympus OM-D E-M1 III or Canon EOS R5 Mark II? +

Canon EOS R5 Mark II — leads on autofocus (93 vs 74). Compared on the autofocus sub-score.