✦ SIDE-BY-SIDE COMPARE

OM System-OM-1 Mark II vs Sony A7 IV: which is better?

OM System-OM-1 Mark II and Sony A7 IV compared side by side across 123 specs and 13 scored categories — every winner highlighted, so the right pick is obvious.

2 PRODUCTS · 123 SPECS · 13 SCORED CATEGORIES · LIVE RE-RANKING

COMPARING

2 / 4

CAMERAS

Add or remove products — every chart and spec row re-ranks live.

← TOP PICK

OM SYSTEM

OM System-OM-1 Mark II

$2,399

BEST OVERALL

SONY

Sony A7 IV

$2,499

BEST FOR DOXMARK

Add product

2 AVAILABLE

⚡ COMPARZONE VERDICT

The OM System-OM-1 Mark II takes the overall win.

Highest composite at 9.0/10 — 0.5 ahead of the Sony A7 IV. Dead heat on autofocus. Scroll for the category-by-category breakdown.

View best price →

CATEGORY WINS · 13 SCOREDTIES SHOWN GREY

AUTO

BATT

BUIL

DESI

FEAT

IMAG

OPTI

PERF

VIDE

VALU

DOXM

VIDE

OM System-OM-1 Mark II×6

Sony A7 IV×2

OM System OM-1 Mark II Mirrorless CameraBEST OVERALL

Sony A7 IV Full-Frame Mirrorless CameraBEST FOR DOXMARK

01 · SCORE RADAR

Performance profile

CLICK A PRODUCT TO ISOLATE ITS SHAPE

LARGEST GAPVideo — OM System-OM-1 Mark II leads by 9.0

TIGHTESTAutofocus — dead heat between the top two

02 · CATEGORY BREAKDOWN

Category showdown

MARK IIA7 IV

AutofocusiTIED AT 9.5

MARK II9.5

A7 IV9.5

BATTERYiTIED AT 7.5

MARK II7.5

A7 IV7.5

BuildiOM System-OM-1 Mark II · +1.0

MARK II9.5

A7 IV8.5

DESIGNiOM System-OM-1 Mark II · +0.5

MARK II9.0

A7 IV8.5

FEATURESiTIED AT 9.0

MARK II9.0

A7 IV9.0

Image QualityiSony A7 IV · +0.5

MARK II8.5

A7 IV9.0

OPTICSiTIED AT 9.0

MARK II9.0

A7 IV9.0

PERFORMANCEiOM System-OM-1 Mark II · +0.2

MARK II9.0

A7 IV8.8

VIDEOGRAPHYiOM System-OM-1 Mark II · +0.2

MARK II9.0

A7 IV8.8

VideoiOM System-OM-1 Mark II · +9.0

MARK II9.0

A7 IV0.0

ValueiTIED AT 8.0

MARK II8.0

A7 IV8.0

DOXMARKiSony A7 IV · +9.0

MARK II0.0

A7 IV9.0

VideographyiOM System-OM-1 Mark II · +0.2

MARK II9.0

A7 IV8.8

03 · VALUE MAP

Price vs performance

TOP-LEFT IS THE SWEET SPOT

SCORE PER $100 · RANKED

01OM System-OM-1 Mark II0.38BEST DEAL

02Sony A7 IV0.34

Map shows current starting prices · trends show tracked street prices. Check live deals before deciding.

04 · THE FULL SHEET

Full specifications

123 SPECS · ALL SHOWN

SPECS

OM System-OM-1 Mark II$2,3999W9.0

Sony A7 IV$2,49916W8.5

AF Pointsi

1,053← BEST +39%

759

Subject Detectioni

Human, Animal (Dog, Cat, Bird), Car, Motorcycle, Airplane, Helicopter, Train, Truck

Human, Animal, Bird

Burst RateFPSi

50 fps← BEST +400%

10 fps

Battery HealthWHiSAME

16.4 Wh

Removable BatteryiSAME

Yes

Battery Level IndicatoriSAME

Yes

Battery PowerMAHiSAME

2280 mAh

Rechargeable BatteryiSAME

Yes

Full Charge Shotsi

Approx. 520 shots (CIPA)

580 (LCD) / 520 (EVF)

Battery VoltageViSAME

7.2 V

Battery Modeli

BLX-1

NP-FZ100

Card Slotsi

Dual UHS-II SD

Dual (CFexpress Type A/SD, SD)

Weather SealingiSAME

Yes

Battery (CIPA)SHOTSi

520 shots

580 shots← BEST +12%

WeightGi

599 g← 9% lighter

658 g

Weather Sealed ( Splashproof )i

IP53 rated

Yes (Splashproof)

Screen Resolutioni

1.62M dots

1.03m dots

Touch ScreeniSAME

Yes

System Camerai

Mirrorless

Yes (Mirrorless)

EVF ResolutionM DOTSi

5.76 m dots← BEST +57%

3.68 m dots

Screen SizeINCHiSAME

3 inch

Hot ShoeiSAME

Yes

FlashiSAME

Flip Out ScreeniSAME

Yes

VolumeCM³i

890 cm³

1011.5 cm³

Lowest Potential Operating Temperature°Ci

-10 °C

0 °C← BEST +100%

Tilting Viewfinderi

N/A

EVF Refresh Rate ( Max )HZiSAME

120 Hz

WidthMMi

134.8 mm← BEST +3%

131.3 mm

HeightMMi

91.6 mm

96.4 mm← BEST +5%

Maximum Operating Temperature°CiSAME

40 °C

Waterproof Depthi

Splashproof (IP53)

0 m

Thicknessi

72.7 mm

79.8 mm

Dxomark Sensor Scorei

97← BEST

Dxomark Sports Scorei

25.5← BEST

Dxomark Landscape Scorei

14.7← BEST

Dxomark Portrait Scorei

25.4← BEST

Bluetooth Versioni

5.0

4.1

Typei

Premium

Mirrorless Camera

Viewfinderi

Electronic

Electronic (OLED)

Viewfinder CoverageiSAME

100

WeightGi

599 g

658 g← BEST +10%

Processori

TruePic X

BIONZ XR

Release Datei

2024-01-30

2021-10-26

Wi-Fi SupportediSAME

Yes

Bluetooth SupportediSAME

Yes

Dual Card SlotsiSAME

Yes

Pixel Shift Shoti

Yes (Handheld and Tripod High Res Shot)

false

Shoots RawiSAME

Yes

Supports Lossless Compressed RawiSAME

Yes

Wi-Fi VersioniSAME

802.11ac

Supports A RemoteiSAME

Yes

HDMI SupportediSAME

Yes

GPS SupportiSAME

Support Live StreamingiSAME

Yes

Advanced Hot Shoei

Yes (Multi-Interface Shoe)

Yes (Multi Interface Shoe)

Internal StorageiSAME

HDMI Versioni

Micro-HDMI (Type D)

2.1

Internal Storage SizeiSAME

0 GB

NFC Supportedi

Yes← BEST

USB Type-CiSAME

Yes

External Memory SlotiSAME

Yes

Sensori

20.4MP Stacked BSI Live MOS

Full-frame Exmor R CMOS

ResolutionMPi

20.4 MP

33 MP← BEST +62%

ISO Rangei

ISO 200-25600 (expandable to 80-102400)

100-51200

Dynamic RangeSTOPSi

12 stops

14.7 stops← BEST +22%

Stabilizationi

5-axis Sensor-Shift

5-axis In-Body Image Stabilization

Sensor Sizei

Micro Four Thirds (17.3 x 13 mm)

Full Frame (35.9 x 23.9 mm)

Lens MountiSAME

Yes

Megapixelsi

20.4 MP

33 MP

Maximum ISOi

25,600

51,200← BEST +100%

Sensor Shift StabilizationiSAME

Yes

Continuous ShootingiSAME

10 fps

Phase Detection Autofocus For PhotosiSAME

Yes

Fastest Shutter Speedi

1/8000 sec (mechanical)

1/8000 s

Focus Pointsi

1053

759 (Phase-detection)

Maximum Expanded ISOi

102400

204800

AF TrackingiSAME

Yes

Manual FocusiSAME

Yes

Touch AutofocusiSAME

Yes

Manual Shutter SpeediSAME

Yes

BSI SensoriSAME

Yes

Manual ExposureiSAME

Yes

Serial Shot ModeiSAME

Yes

CMOS SensoriSAME

Yes

Built In HDR ModeiSAME

Yes

Two Stage ShutteriSAME

Yes

Manual ISOiSAME

Yes

Flash Sync Speedi

1/250 sec

1/250 s

Manual White BalanceiSAME

Yes

Exposure Timei

30 sec to 1/8000 sec (mechanical)

—

Image Stabilization Ratingi

7.5

9.5← BEST +27%

Maximum Electronic Shutter Speedi

1/32000 sec

1/8000 s

Can Combine Image Stabilizationi

Yes (Sync IS with compatible lenses)

Yes

Can Create Panoramas In Camerai

Yes← BEST

Stacked Cmos Sensori

—

USB SupportediSAME

Yes

USB Versioni

USB 3.0 (Type-C)

3.2 Gen 2

Pixel Size ( Main Camera )i

3.3 µm

5.09 µm

Build Qualityi

9.5← BEST +12%

8.5

ControlsiSAME

Autofocus PointsiSAME

9.5

Image Qualityi

8.5

9← BEST +6%

Video Qualityi

9← BEST +2%

8.8

Battery LifeiSAME

7.5

Low Light Performancei

8.5← BEST +6%

The Verdicti

The OM System OM-1 Mark II is a highly refined professional mirrorless camera, excelling in speed, stabilization, and computational photography, making it ideal for demanding outdoor and action photog

The Sony A7 IV is an exceptional hybrid camera, delivering professional-grade performance for both photography and videography, making it a top choice for serious creators.

Commentsi

—

Users consistently praise the A7 IV for its outstanding image quality, highly reliable autofocus, and advanced video features, though some note the menu system's complexity and the 4K 60p crop.

Overall Ratingi

9← BEST +3%

8.7

Color Combinationi

9.4

9.8← BEST +4%

Video Recording ( Main Camera )i

C4K/4K 60p, Full HD 240p

4K 60p (Super 35) / 4K 30p (Full-frame)

Phase Detection Autofocus For VideosiSAME

Yes

Microphone InputiSAME

Yes

Audio JackiSAME

Yes

Timelapse FunctioniSAME

Yes

Movie Bit Ratei

Up to 202 Mbps (4K)

600 Mbps

24p Cinema ModeiSAME

Yes

Supports Slow Motion Video RecordiSAME

Yes

Continuous Autofocus When Recording MoviesiSAME

Yes

Stereo MicrophoneiSAME

Yes

MicrophoneiSAME

Yes

Max Videoi

C4K 60p

4K 60p

Internal Colori

10-bit 4:2:0 internal

10-bit 4:2:2

ROW WINS

05 · WHICH ONE IS FOR YOU

Pick by persona

RE-RANKS LIVE AS YOU ADD OR REMOVE PRODUCTS

THE ALL-ROUNDER

Best overall

OM System-OM-1 Mark IIOM SYSTEM9.0

ALL GROUPSEQUAL WEIGHT

Best total score across weighted category factors.

RUNNER-UP · Sony A7 IV (8.5)

FOR VALUE SEEKERS

Best bang for buck

OM System-OM-1 Mark IIOM SYSTEM9.0

SCORE ÷ PRICELIVE PRICES

Strongest score-to-price ratio from the available price data.

RUNNER-UP · Sony A7 IV (0.3)

PRIORITY · VIDEO

Best for video

OM System-OM-1 Mark IIOM SYSTEM9.0

VIDEO WEIGHTEDCONF 86%

Best visible score in the video category group.

RUNNER-UP · Sony A7 IV (0.0)

PRIORITY · DOXMARK

Best for doxmark

Sony A7 IVSONY9.0

DOXMARK WEIGHTEDCONF 86%

Best visible score in the doxmark category group.

RUNNER-UP · OM System-OM-1 Mark II (0.0)

06 · BOTTOM LINE

Why pick each

STRENGTHS · AND ONE HONEST TRADE-OFF

#1OM SYSTEM0.0

OM System-OM-1 Mark II

“The OM System OM-1 Mark II is a high-performance mirrorless camera designed for advanced photographers and videographers seeking speed, dura”

Autofocus 9.5

Build 9.5

Wins Overall Rating

Wins AF Points

TRADE-OFFMicro Four Thirds sensor size limitations

BEST OVERALLBest price →

#2SONY0.0

Sony A7 IV

“The Sony A7 IV is a versatile full-frame mirrorless camera, excelling as a hybrid tool for both demanding photographers and videographers.”

Autofocus 9.5

DOXMARK 9.0

Wins Image Quality

Wins Resolution

TRADE-OFF4K 60p video has a Super 35 crop

BEST FOR DOXMARKBest price →

Still deciding? The OM System-OM-1 Mark II is the safest pick.

COMPOSITE 9.0/10 · WINS 6 OF 13 CATEGORIES

Buy the winner →

OM System OM-1 Mark II Mirrorless Camera vs Sony A7 IV Full-Frame Mirrorless Camera: which is better?

The OM System OM-1 Mark II Mirrorless Camera is our overall pick, scoring 9.0/10 against 8.5/10 for the Sony A7 IV Full-Frame Mirrorless Camera — a 6% edge. Current starting prices span $2,399–$2,499. The score weighs category-specific cameras attributes, spec wins, price signals, and data confidence — not sponsorships.

OM System OM-1 Mark II Mirrorless Camera leads overall with a 9.0 total score.
OM System OM-1 Mark II Mirrorless Camera wins 59 comparable specs with a 48% weighted win rate.
Sony A7 IV Full-Frame Mirrorless Camera has the strongest high-impact advantage in Image Quality.
OM System OM-1 Mark II Mirrorless Camera has the best visible score-to-price balance based on available starting price.

OM System OM-1 Mark II Mirrorless CameraWINNER 9.0/10

The OM System OM-1 Mark II is a high-performance mirrorless camera designed for advanced photographers and videographers seeking speed, durability, and exceptional image stabilization.

Pros

+ World-class image stabilization
+ Blazing fast burst shooting
+ Advanced AI autofocus
+ Exceptional weather sealing

Cons

− Micro Four Thirds sensor size limitations
− Premium price point
− Minor upgrades from predecessor

Best for: Wildlife and sports photographers · Outdoor and adventure photography · Computational photography users

“Verdict: The OM System OM-1 Mark II refines an already excellent camera, offering significant computational photography enhancements, a deeper buffer, and improved AI autofocus, making it a compelling choice for demanding outdoor and…”

Sony A7 IV Full-Frame Mirrorless Camera8.5/10

The Sony A7 IV is a versatile full-frame mirrorless camera, excelling as a hybrid tool for both demanding photographers and videographers.

Pros

+ Excellent 33MP full-frame image quality
+ Advanced Real-time Tracking autofocus
+ Robust 4K 10-bit video capabilities
+ Effective 5-axis in-body stabilization

Cons

− 4K 60p video has a Super 35 crop
− Rolling shutter can be noticeable
− Menu system still complex for some

Best for: Hybrid Photo/Video Shooters · Professional Content Creators · Wedding and Event Photographers

“Verdict: The Sony A7 IV is an outstanding hybrid mirrorless camera that strikes an excellent balance between high-resolution stills and advanced video capabilities. It's a highly recommended choice for content creators and professionals…”

Frequently asked questions

Which is better, OM System OM-1 Mark II Mirrorless Camera or Sony A7 IV Full-Frame Mirrorless Camera?

By ComparZone's weighted scoring of category-specific cameras specs, the OM System OM-1 Mark II Mirrorless Camera scores highest overall (9.0/10, 0.5 points ahead of the Sony A7 IV Full-Frame Mirrorless Camera). It is the better all-round pick, but the right choice depends on your priorities — the spec table above shows exactly where each one wins.

What are the main differences between OM System OM-1 Mark II Mirrorless Camera and Sony A7 IV Full-Frame Mirrorless Camera?

The biggest measurable differences are Image Quality, Overall Rating, Sensor — with the Sony A7 IV Full-Frame Mirrorless Camera leading on Image Quality. The grouped spec sheet above marks the winner of every comparable spec.

Is the OM System OM-1 Mark II Mirrorless Camera better value than the Sony A7 IV Full-Frame Mirrorless Camera?

The OM System OM-1 Mark II Mirrorless Camera starts around $2,399 and the Sony A7 IV Full-Frame Mirrorless Camera around $2,499. Weigh the score gap against the price gap: a small score lead rarely justifies a large premium unless it comes from the specs you personally care about.

Can I compare other cameras on ComparZone?

Yes — ComparZone supports dynamic comparison pages for any 2 to 4 cameras from the same category, with verified specs, transparent scores, and live prices. See the related comparisons below or build your own from the category page.

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