OM System OM-D E-M10 Mark IV vs Panasonic LUMIX G9 Mark II Mirrorless Camera (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

OM System OM-D E-M10 Mark IV

8.9/10 Great

4.5★ (2,800 owners)

20MP Micro 4/3, 5-axis IBIS, 4K video, flip screen, compact. Best travel mirrorless under £700.

Full Review

Panasonic LUMIX G9 Mark II Mirrorless Camera

9.1/10 Excellent

4.7★ (1,800 owners)

25MP M4/3, Phase Detect AF, 75fps burst, 7.5-stop IBIS, IP53, 4K/120fps. Micro 4/3 flagship.

Full Review

At a Glance

	OM System OM-D E-M10 Mark IV	Panasonic LUMIX G9 Mark II Mirrorless Camera
247Verdict Score	8.9/10	9.1/10
Owner Rating	4.5★ (2,800)	4.7★ (1,800)
Verdict	Great	Excellent
IBIS	5-axis (Olympus heritage)	7.5-stop (strongest reviewed)
Video	4K	4K/120fps

Quick Verdict

Both are strong choices, but the Panasonic LUMIX G9 Mark II Mirrorless Camera edges ahead with a 9.1/10 vs 8.9/10. 25MP M4/3, Phase Detect AF, 75fps burst, 7.5-stop IBIS, IP53, 4K/120fps. Micro 4/3 flagship. That said, the OM System OM-D E-M10 Mark IV is worth considering if 20MP Micro 4/3, 5-axis IBIS, 4K video, flip screen, compact. Best travel mirrorless under £700. Check the current price on Amazon →

Pros & Cons Side by Side

OM System OM-D E-M10 Mark IV

5-axis in-body stabilisation at this price is exceptional — Olympus IBIS engineering heritage
Most compact interchangeable lens camera with IBIS available
Micro 4/3 system: smaller lenses enable genuinely pocketable total kit weight
4K video with 5-axis stabilisation for smooth handheld footage
Extensive Micro 4/3 lens ecosystem from OM System, Panasonic and Sigma

Micro 4/3 sensor smaller than APS-C — lower light performance than Sony or Fujifilm at equivalent ISO
Smaller sensor limits shallow depth of field for portrait work
OM System brand less recognised than Canon or Sony for those coming from phones

Panasonic LUMIX G9 Mark II Mirrorless Camera

7.5-stop IBIS — the strongest image stabilisation in any mirrorless camera reviewed
75fps mechanical burst for wildlife and action sequences requiring the highest capture rate
Phase Detect AF resolves Panasonic's historical AF weakness — comparable to Sony and Canon
IP53 weather sealing handles dust and rain for outdoor professional work
4K/120fps slow-motion with Panasonic's DCI cinema colour science

M4/3 sensor — full-frame alternatives have physics advantages in extreme low light
75fps burst requires high-speed memory cards — additional cost for optimal performance
Panasonic L-mount pricing was the professional tier — G9 II is the M4/3 alternative

FAQ

Which is better, OM System OM-D E-M10 Mark IV or Panasonic LUMIX G9 Mark II?

Is the OM System OM-D E-M10 Mark IV worth the extra cost?

The Panasonic LUMIX G9 Mark II Mirrorless Camera matches or exceeds it at a potentially lower price point.

Who is the OM System OM-D E-M10 Mark IV best suited to?

20MP Micro 4/3, 5-axis IBIS, 4K video, flip screen, compact. Best travel mirrorless under £700.

Who is the Panasonic LUMIX G9 Mark II best suited to?

25MP M4/3, Phase Detect AF, 75fps burst, 7.5-stop IBIS, IP53, 4K/120fps. Micro 4/3 flagship.

What are the main downsides of each?

OM System OM-D E-M10 Mark IV: Micro 4/3 sensor smaller than APS-C — lower light performance than Sony or Fujifilm at equivalent ISO; Smaller sensor limits shallow depth of field for portrait work. Panasonic LUMIX G9 Mark II Mirrorless Camera: M4/3 sensor — full-frame alternatives have physics advantages in extreme low light; 75fps burst requires high-speed memory cards — additional cost for optimal performance.

Do owner ratings agree with our verdict?

Largely, yes — OM System OM-D E-M10 Mark IV sits at 4.5★ from 2,800 verified Amazon owners, and Panasonic LUMIX G9 Mark II Mirrorless Camera at 4.7★ from 1,800.

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