Olympus OM-D E-M1 Mark III Vs Sony Alpha A7S III: complete comparison

Olympus
OM-D E-M1 Mark III change

Vs

Sony
Alpha A7S III change
Olympus OM-D E-M1 Mark III medal sport medal street medal everyday

Sony Alpha A7S III trophy medal portrait medal landscape
64

Overall Score

70

Olympus

OM-D E-M1 Mark III
Announced: 11 Feb 2020
Sensor Resolution: 20Mp
Sensor Type: 4/3 CMOS
ISO: 200-25600
Weight: 580g
Physical Dimensions: 134 x 91 x 69 mm
Viewfinder: Electronic
Screen Type: 3" Fully articulated
Video Resolutions: 4096x2160

the best offer

£936.00

buy on
43
Image Quality
63
78
Speed Performance
62
88
Versatility
94
69
Comfort
66

Sony

Alpha A7S III
Announced: 21 Jul 2020
Sensor Resolution: 12Mp
Sensor Type: Full frame BSI-CMOS
ISO: 80-102400
Weight: 699g
Physical Dimensions: 129 x 97 x 81 mm
Viewfinder: Electronic
Screen Type: 3" Fully articulated
Video Resolutions: 3840x2160
buy on
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The best camera for different types of photography

Olympus
OM-D E-M1 Mark III

vs

Sony
Alpha A7S III

47
Portrait Portrait Portrait
64
45
Landscape Landscape Landscape
65
70
SportSport Sport
69
71
Street Street Street
71
74
Everyday Everyday Everyday
73

Best alternative for types of photography

Portrait
Portrait		 Canon EOS-1D X Mark III Canon
EOS-1D X Mark III		 68 buy on
Landscape
Landscape		 Nikon D6 Nikon
D6		 68 buy on
Sport
Sport		 SonyAlpha A9 II Sony
Alpha A9 II		 74 buy on
Street
Street		 SonyAlpha A7c Sony
Alpha A7c		 75 buy on
Everyday
Everyday		 SonyCyber-shot DSC-RX100 VII Sony
Cyber-shot DSC-RX100 VII		 77 buy on

Olympus OM-D E-M1 Mark III
pros and cons

Olympus OM-D E-M1 Mark III

Olympus

OM-D E-M1 Mark III
Announced: 11 Feb 2020
Sensor Resolution: 20Mp
Sensor Type: 4/3 CMOS
ISO: 200-25600
Weight: 580g
Physical Dimensions: 134 x 91 x 69 mm
Viewfinder: Electronic
Screen Type: 3" Fully articulated
Video Resolutions: 4096x2160

the best offer

£936.00

buy on

prospros

  • This camera autofocus is able to follow moving subjects
  • The Olympus OM-D E-M1 Mark III is tropicalized - this means you can use it also in adverse atmospheric and environmental conditions without ruining it
  • The integrated stabilizer allows you to shoot firmly even in low light conditions
  • The LCD display is a convenient and almost indispensable feature
  • The microphone input can be very useful if you shoot videos
  • Thanks to burst mode, it's ideal for action photos
  • It has fast shutter speed, ideal for action photos
  • The fully articulated display allows you to manage the framing even in hard conditions
  • The second memory slot makes the camera more reliable, also for professional use
  • Thanks to the wireless connection, Olympus OM-D E-M1 Mark III allows immediate picture sharing

conscons

  • Warning - Olympus OM-D E-M1 Mark III battery has only 420.0 shoots autonomy. This might be a limiting factor if you think you'll have to do long photo sessions without having the chance to recharge it.

Amazon best deals on Olympus OM-D E-M1 Mark III

OLYMPUS OM SYSTEM OM-D E-M1 Mark III Black Camera Body

OLYMPUS OM SYSTEM OM-D E-M1 Mark III Black Camera Body

£936.00

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Olympus OM-D E-M1 Mark III and its rivals

Review compare Olympus OM-D E-M1 Mark III with overall score Portrait
Portrait		 Landscape
Landscape		 Sport
Sport		 Street
Street		 Everyday
Everyday
OlympusOM-D E-M1 Mark III Olympus
OM-D E-M1 Mark III		 64 47 45 70 71 74 £936.00
SonyAlpha a1 Sony
Alpha a1		 75 70 70 75 74 76 buy on
SonyAlpha A9 II Sony
Alpha A9 II		 73 67 67 74 74 76 buy on
SonyAlpha A7c Sony
Alpha A7c		 72 65 66 69 75 76 buy on
SonyAlpha A7 IV Sony
Alpha A7 IV		 70 67 67 70 71 72 buy on
SonyAlpha a6600 Sony
Alpha a6600		 65 51 50 67 72 74 buy on
PanasonicLumix DC-GH6 Panasonic
Lumix DC-GH6		 62 47 46 70 64 67 buy on

Sony Alpha A7S III
pros and cons

Sony Alpha A7S III

Sony

Alpha A7S III
Announced: 21 Jul 2020
Sensor Resolution: 12Mp
Sensor Type: Full frame BSI-CMOS
ISO: 80-102400
Weight: 699g
Physical Dimensions: 129 x 97 x 81 mm
Viewfinder: Electronic
Screen Type: 3" Fully articulated
Video Resolutions: 3840x2160
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pros pros

  • Its extraordinary color depth makes it perfect for portrait photography
  • Its wide dynamic range makes it ideal for landscape photography
  • It performs very well at high ISO, making it ideal for action and sports photography
  • The excellent sensor of this camera makes it perform very well in every shooting range
  • This camera autofocus is able to follow moving subjects
  • The Sony Alpha A7S III is tropicalized - this means you can use it also in adverse atmospheric and environmental conditions without ruining it
  • The integrated stabilizer allows you to shoot firmly even in low light conditions
  • The LCD display is a convenient and almost indispensable feature
  • The microphone input can be very useful if you shoot videos
  • Precise and fast autofocus, ideal for action photos, it performs well even in low light conditions
  • The fully articulated display allows you to manage the framing even in hard conditions
  • The second memory slot makes the camera more reliable, also for professional use
  • Thanks to the wireless connection, Sony Alpha A7S III allows immediate picture sharing

Sony Alpha A7S III and its rivals

Review compare Sony Alpha A7S III with overall score Portrait
Portrait		 Landscape
Landscape		 Sport
Sport		 Street
Street		 Everyday
Everyday
SonyAlpha A7S III Sony
Alpha A7S III		 70 64 65 69 71 73 buy on
SonyAlpha a1 Sony
Alpha a1		 75 70 70 75 74 76 buy on
SonyAlpha A9 II Sony
Alpha A9 II		 73 67 67 74 74 76 buy on
SonyAlpha A7c Sony
Alpha A7c		 72 65 66 69 75 76 buy on
SonyAlpha A7 IV Sony
Alpha A7 IV		 70 67 67 70 71 72 buy on
OlympusOM-D E-M1 Mark III Olympus
OM-D E-M1 Mark III		 64 47 45 70 71 74 buy on
PanasonicLumix DC-GH6 Panasonic
Lumix DC-GH6		 62 47 46 70 64 67 buy on

Olympus OM-D E-M1 Mark III vs Sony Alpha A7S III, which is better?

In case you are wondering which of these cameras you should buy, then this is the right place to find an answer. Here you will find listed all the main differences among Olympus OM-D E-M1 Mark III and Sony Alpha A7S III, calculated by the CameraRace iCamRank algorithm.

  • Technically speaking, Sony Alpha A7S III is superior to Olympus OM-D E-M1 Mark III, with an overall iCamRank score of 70 and 64, respectively.
  • The image quality of Sony Alpha A7S III (63) is superior to that of Olympus OM-D E-M1 Mark III (43).
  • Olympus OM-D E-M1 Mark III (78) performs better than Sony Alpha A7S III (62) in terms of speed.
  • Sony Alpha A7S III is more versatile than Olympus OM-D E-M1 Mark III (94 a 88).
  • Olympus OM-D E-M1 Mark III (69) and Sony Alpha A7S III (66) provide a similar handling experience.

But, as you may know, the technical performance is meaningless if applied to the wrong context. This is the reason why the iCamRank "weights" differently the camera technical features for each type of photography. Thus, below you'll find our suggestions, based on your preferred photography genre:

Sony Alpha A7S III is better for portrait or landscape photography; Olympus OM-D E-M1 Mark III is instead your choice if you shoot sport photography or for everyday use.

Need further details? Below you will find a full comparison of all the technical specifications.

Olympus
OM-D E-M1 Mark III

Sensor
comparison

Sony
Alpha A7S III

CMOS

Sensor Type

BSI-CMOS

4/3 down

Sensor Size

up Full frame

17.4 x 13.0 mm down

Sensor Dimensions

up 35.6 x 23.8 mm

226.2 mm2 down

Sensor Area

up 847.28 mm2

20 Mp up

Sensor Resolution

down 12 Mp

5184 x 3888 up

Max Image Resolution

down 4240 x 2832

25600 down

Max Native ISO

up 102400

200 down

Min Native ISO

up 80

yes

RAW Support

yes

Olympus
OM-D E-M1 Mark III

Lens
comparison

Sony
Alpha A7S III

Micro Four Thirds

Lens Mount

Sony E (NEX)

103 down

Number of Lenses

up 122

2

Focal Length Multiplier

1

Olympus
OM-D E-M1 Mark III

Screen Type
comparison

Sony
Alpha A7S III

Fully articulated

Screen Type

Fully articulated

3.0"

Screen Size

3.0"

1037Kdot down

Screen Resolution

up 1440Kdot

yes

Live View

yes

yes

Touch Screen

yes

Olympus
OM-D E-M1 Mark III

Viewfinder
comparison

Sony
Alpha A7S III

Electronic

Viewfinder

Electronic

2360000.0

Viewfinder Resolution

9440000.0

100

Viewfinder Coverage

100

0.74

Viewfinder Magnification

0.91x

Olympus
OM-D E-M1 Mark III

Features
comparison

Sony
Alpha A7S III

60s

Min Shutter Speed

30s

1/8000s

Max Shutter Speed

-

60fps up

Continuous Shooting

down 10fps

yes

Shutter Priority

yes

yes

Aperture Priority

yes

yes

Manual Exposure Mode

yes

yes

Exposure Compensation

yes

yes

Custom White Balance

yes

yes

Image Stabilization

yes

no

Built-in Flash

no

None

Flash Range

None

1/250s

Max Flash Sync

-

Redeye
Fill-in
Flash Off
Red-eye Slow sync.(1st curtain)
Slow sync.(1st curtain)
Slow sync.(2nd curtain)
Manual

Flash Modes

no built-in flash

yes

External Flash

yes

yes

AE Bracketing

yes

yes

WB Bracketing

yes

Olympus
OM-D E-M1 Mark III

Exposure Modes
comparison

Sony
Alpha A7S III

yes

Multi-Segment

yes

yes

Average

yes

yes

Spot

yes

no

Partial

no

no

AF-Area

no

no

Center Weighted

no

Olympus
OM-D E-M1 Mark III

Dxo Sensor Scores
comparison

Sony
Alpha A7S III

dato non disponibile

DxO Overall Score

up 85

dato non disponibile

DxO Color Depth

up 24.2

dato non disponibile

DxO Dynamic Range

up 13.4

dato non disponibile

DxO Low Light ISO

up 3900

Olympus
OM-D E-M1 Mark III

Autofocus
comparison

Sony
Alpha A7S III

yes

AF Touch

yes

yes

AF Continuous

yes

yes

AF Single

yes

yes

AF Tracking

yes

yes

AF Selective

yes

yes

AF Center

yes

yes

AF MultiArea

yes

yes

AF Live View

yes

yes

AF Face Detection

yes

yes

AF Contrast Detection

yes

yes

AF Phase Detection

yes

121 down

Number of Focus Points

up 759

121 up

Number of Cross Focus Points

down 0

Olympus
OM-D E-M1 Mark III

Video Features
comparison

Sony
Alpha A7S III

4096 x 2160 @ 24p / 237 Mbps MOV H.264 Linear PCM3840 x 2160 @ 30p / 102 Mbps MOV H.264 Linear PCM3840 x 2160 @ 25p / 102 Mbps MOV H.264 Linear PCM3840 x 2160 @ 23.98p / 102 Mbps MOV H.264 Linear PCM1920 x 1080 @ 60p MOV H.264 Linear PCM1920 x 1080 @ 50p MOV H.264 Linear PCM1920 x 1080 @ 30p MOV H.264 Linear PCM1920 x 1080 @ 25p MOV H.264 Linear PCM1920 x 1080 @ 23.98p MOV H.264 Linear PCM

Video Resolutions

3840 x 2160 @ 120p / 280 Mbps XAVC S MP4 H.265 Linear PCM 3840 x 2160 @ 100p / 280 Mbps XAVC S MP4 H.265 Linear PCM 3840 x 2160 @ 60p / 200 Mbps XAVC S MP4 H.265 Linear PCM 3840 x 2160 @ 50p / 200 Mbps XAVC S MP4 H.265 Linear PCM 3840 x 2160 @ 30p / 140 Mbps XAVC S MP4 H.265 Linear PCM 3840 x 2160 @ 25p / 140 Mbps XAVC S MP4 H.265 Linear PCM 3840 x 2160 @ 24p / 100 Mbps XAVC S MP4 H.265 Linear PCM 1920 x 1080 @ 120p / 100 Mbps XAVC S MP4 H.264 Linear PCM 1920 x 1080 @ 100p / 100 Mbps XAVC S MP4 H.264 Linear PCM 1920 x 1080 @ 60p / 50 Mbps XAVC S MP4 H.264 Linear PCM 1920 x 1080 @ 50p / 50 Mbps XAVC S MP4 H.264 Linear PCM 1920 x 1080 @ 25p / 50 Mbps XAVC S MP4 H.264 Linear PCM 1920 x 1080 @ 24p / 50 Mbps XAVC S MP4 H.264 Linear PCM

4096x2160

Max Video Resolution

3840x2160

MPEG-4 H.264

Video Formats

MPEG-4 XAVC S XAVC HS XAVC S-1 H.264 H.265

yes

Microphone Port

yes

yes

Headphone Port

yes

Olympus
OM-D E-M1 Mark III

Connectivity
comparison

Sony
Alpha A7S III

Built-in

Wireless Connectivity

Built-in

yes

HDMI

yes

USB 3.1 Gen 1 (5 GBit/sec)

USB

USB 3.2 Gen 1 (5 GBit/sec)

Olympus
OM-D E-M1 Mark III

Physical
comparison

Sony
Alpha A7S III

yes

Environmental Sealing

yes

no

Water Proof

no

no

Dust Proof

no

no

Shock Proof

no

no

Crush Proof

no

no

Freeze Proof

no

580g

Weight

699g

134 x 91 x 69 mm

Physical Dimensions

129 x 97 x 81 mm

420 down

Battery Life

up 600

Battery Pack

Battery Type

Battery Pack

BLH-1

Battery Model

NP-FZ100

Olympus
OM-D E-M1 Mark III

Other Features
comparison

Sony
Alpha A7S III

Yes (2 or 12 secs, custom)

Self Timer

Yes (2 or 10 sec; continuous (3 or 5 exposures))

yes

Timelapse Recording

yes

no

GPS

no

Dual SD SDHC SDXC slots (UHS-II on first slot)

Storage Type

Dual SD CFexpress Type A slots

2

Storage Slots

2

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