OM System
OM-D E-M1 Mark III
Previous Olympus flagship still capable for wildlife.
$1,799
Launch priceReleased Feb 2020
OM System
OM-D E-M5 Mark III
Compact pro MFT with IBIS and weather sealing.
$1,199
Launch priceReleased Oct 2019
OM-D E-M1 Mark III is 4 months newer.
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Wins
OM-D E-M1 Mark III
Wins
OM-D E-M5 Mark III
13 categories tied
Which would you choose?
TL;DR — Key differences
- AOM-D E-M1 Mark III has higher RAW buffer depth (120 frames vs 60 frames)
- AOM-D E-M1 Mark III has higher EVF resolution (3,690,000 vs 2,360,000)
- AOM-D E-M1 Mark III has higher Burst (mechanical) (8 fps vs 6 fps)
- AOM-D E-M1 Mark III has higher Burst (electronic) (20 fps vs 15 fps)
- AOM-D E-M1 Mark III has higher IBIS effectiveness (7 stops vs 6 stops)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareOM-D E-M1 Mark III
134 × 91 × 72 mm
580 g (1.28 lb / 20.46 oz)
Credit card
85.6 × 54 mm
for scale
OM-D E-M5 Mark III
134 × 91 × 72 mm
580 g (1.28 lb / 20.46 oz)
OM-D E-M1 Mark III and OM-D E-M5 Mark III share virtually identical body dimensions.
OM-D E-M1 Mark III and OM-D E-M5 Mark III weigh the same.
Depth (front-to-back): 72mm OM-D E-M1 Mark III · 72mm OM-D E-M5 Mark III
Sensor size, to scale
OM-D E-M1 Mark III
17.3 × 13 mm · Micro Four Thirds
225 mm² area
OM-D E-M5 Mark III
17.3 × 13 mm · Micro Four Thirds
225 mm² area
Lens ecosystem
Native lens selection
OM-D E-M1 Mark III
✓ more lensesMicro Four Thirds
130+
native lenses available
OM-D E-M5 Mark III
✓ more lensesMicro Four Thirds
130+
native lenses available
Counts include current first-party and major third-party native autofocus lenses.
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose
OM-D E-M1 Mark III
RAW buffer depth
120 frames vs 60 frames — higher is better
EVF resolution
3,690,000 vs 2,360,000 — higher is better
Burst (mechanical)
8 fps vs 6 fps — higher is better
Burst (electronic)
20 fps vs 15 fps — higher is better
IBIS effectiveness
7 stops vs 6 stops — higher is better
Reasons to choose
OM-D E-M5 Mark III
No major advantages on measured specs.
Both cameras share
- ✓Resolution — Both 20.4 MP
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 25,600
- ✓AF points / zones — Both 1053
- ✓AF frame coverage — Both 100 %
Pros & cons at a glance
Editorially curated highlights and trade-offs.
OM-D E-M1 Mark III
Pros
- ✓Pro build
- ✓60fps mode
- ✓Great IBIS
Cons
- –Superseded
- –MFT
- –Older AF
OM-D E-M5 Mark III
Pros
- ✓Compact pro
- ✓Weather sealed
- ✓IBIS
Cons
- –Older
- –MFT
- –Superseded
Decided which one is right for you?
Compare live prices for the OM-D E-M1 Mark III and OM-D E-M5 Mark III at major authorized retailers.
OM System OM-D E-M1 Mark III
OM System OM-D E-M5 Mark III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, OM-D E-M1 Mark III or OM-D E-M5 Mark III?
OM-D E-M1 Mark III scores 9.0/10 versus 8.0/10 for OM-D E-M5 Mark III — 20fps burst captures fleeting moments.
What's the resolution difference between the OM-D E-M1 Mark III and OM-D E-M5 Mark III?
Both cameras share the same 20.4 MP resolution.
Do the OM-D E-M1 Mark III and OM-D E-M5 Mark III have in-body image stabilization?
OM-D E-M1 Mark III has 7-stop in-body image stabilization, while OM-D E-M5 Mark III has 6-stop in-body image stabilization.
Which shoots faster bursts — the OM-D E-M1 Mark III or the OM-D E-M5 Mark III?
OM-D E-M1 Mark III reaches 20 fps electronic. OM-D E-M5 Mark III reaches 15 fps electronic.
What's the weight difference between the OM-D E-M1 Mark III and OM-D E-M5 Mark III?
Both bodies weigh roughly 580 g.
Do the OM-D E-M1 Mark III and OM-D E-M5 Mark III record 4K video?
OM-D E-M1 Mark III: 4K up to 60p. OM-D E-M5 Mark III: 4K up to 60p.
Are the OM-D E-M1 Mark III and OM-D E-M5 Mark III weather sealed?
OM-D E-M1 Mark III: Yes. OM-D E-M5 Mark III: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the OM-D E-M1 Mark III and 640 shots for the OM-D E-M5 Mark III, giving the OM-D E-M5 Mark III the edge.
How much does each cost?
OM-D E-M1 Mark III launched at $1,799 and OM-D E-M5 Mark III at $1,199. The OM-D E-M5 Mark III is $600 less.
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Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.