OM System
OM-1 II
Flagship MFT with stacked sensor, 120fps, and pro wildlife features.
$2,399
Launch priceReleased Feb 2024
Sony
RX100 VII
Premium 1-inch pocket camera with 24–200mm zoom and real-time tracking AF.
$1,299
Launch priceReleased Aug 2019
OM-1 II is 4.4 years newer.
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Wins
OM-1 II
Wins
RX100 VII
2 categories tied
Which would you choose?
TL;DR — Key differences
- AOM-1 II has higher IBIS effectiveness (8.5 stops vs 0 stops)
- AOM-1 II has higher ISO max (native) (102,400 vs 12,800)
- AOM-1 II has higher Burst (electronic) (120 fps vs 20 fps)
- AOM-1 II has higher AF points / zones (1053 vs 357)
- AOM-1 II has higher EVF resolution (5,760,000 vs 2,359,296)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareOM-1 II
135 × 92 × 73 mm
599 g (1.32 lb / 21.13 oz)
Credit card
85.6 × 54 mm
for scale
RX100 VII
102 × 58 × 43 mm
302 g (0.67 lb / 10.65 oz)
OM-1 II is 33mm wider, 33mm taller, and 30mm thicker than RX100 VII.
OM-1 II is 297 g heavier than RX100 VII.
Depth (front-to-back): 73mm OM-1 II · 43mm RX100 VII
Back view, to scale
Width × Height — same proportions as the front of the body.
OM-1 II
135 × 92 mm
Credit card
85.6 × 54 mm
RX100 VII
102 × 58 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
OM-1 II
135 × 73 mm
Credit card
85.6 × 54 mm
RX100 VII
102 × 43 mm
Sensor size, to scale
OM-1 II
17.4 × 13 mm · Compact / large-type
226 mm² area
RX100 VII
13.2 × 8.8 mm · 1″
116 mm² area
1.9× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
OM-1 II
✓ more lensesMicro Four Thirds
130+
native lenses available
RX100 VII: mount data unavailable
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-1 II
AF low-light limit
-8 EV vs -4 EV — lower is better
Subject recognition
Adds People, Birds, Animals…
IBIS effectiveness
8.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 134.8, 91.6, 72.7
ISO max (native)
102,400 vs 12,800 — higher is better
Burst (electronic)
120 fps vs 20 fps — higher is better
Codecs
Adds H.265, MOV
AF points / zones
1053 vs 357 — higher is better
Reasons to choose
RX100 VII
Subject recognition
Adds Human, Animal
Dimensions (W×H×D mm)
Adds 101.6, 58.1, 42.8
Codecs
Adds XAVC S, AVCHD
AA filter
Only RX100 VII supports it
Burst (mechanical)
20 fps vs 10 fps — higher is better
Card types
Adds Memory Stick Duo
Weight
302 g vs 599 g — lower is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Max video bit rate — Both 150 Mbps
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
OM-1 II
Pros
- ✓120fps stills
- ✓Stacked MFT
- ✓IP53 weather sealing
- ✓Computational features
Cons
- –MFT sensor size
- –Smaller ecosystem
- –Menu complexity
RX100 VII
Pros
- ✓Pocketable zoom range
- ✓Real-time Eye AF
- ✓Great travel camera
Cons
- –1-inch sensor
- –Expensive
- –Small controls
Decided which one is right for you?
Compare live prices for the OM-1 II and RX100 VII at major authorized retailers.
OM System OM-1 II
Sony RX100 VII
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, OM-1 II or RX100 VII?
OM-1 II scores 10.0/10 versus 5.0/10 for RX100 VII — 120fps burst — pro-level action capture.
What's the resolution difference between the OM-1 II and RX100 VII?
OM-1 II is 20.4 MP and RX100 VII is 20.1 MP, so the OM-1 II captures more detail for cropping and large prints.
Do the OM-1 II and RX100 VII have in-body image stabilization?
OM-1 II has 8.5-stop in-body image stabilization, while RX100 VII does not have IBIS.
Which shoots faster bursts — the OM-1 II or the RX100 VII?
OM-1 II reaches 120 fps electronic. RX100 VII reaches 20 fps electronic.
What's the weight difference between the OM-1 II and RX100 VII?
OM-1 II weighs 599 g and RX100 VII weighs 302 g, so the RX100 VII is 297 g lighter.
Do the OM-1 II and RX100 VII record 4K video?
OM-1 II: 4K up to 60p. RX100 VII: 4K up to 30p.
Are the OM-1 II and RX100 VII weather sealed?
OM-1 II: Yes. RX100 VII: No.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the OM-1 II and 260 shots for the RX100 VII, giving the OM-1 II the edge.
How much does each cost?
OM-1 II launched at $2,399 and RX100 VII at $1,299. The RX100 VII is $1,100 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way OM-1 II vs RX100 VII vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of OM System and Sony press materials.