Olympus E-M1X vs Sony A7S III
Portability
54 Imaging
61 Features
93 Overall
73
54 Imaging
61 Features
93 Overall
73
Portability
61 Imaging
65 Features
92 Overall
75
61 Imaging
65 Features
92 Overall
75
Olympus E-M1X vs Sony A7S III Key Specs
Olympus E-M1X
(Full Review)
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 997g - 144 x 147 x 75mm
- Revealed January 2019
- Earlier Model is Olympus E-M1 II
Sony A7S III
(Full Review)
(Full Review)
- 12MP - Full frame Sensor
- 3" Fully Articulated Screen
- ISO 80 - 102400 (Boost to 409600)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 699g - 129 x 97 x 81mm
- Introduced July 2020
- Older Model is Sony A7S II
Photography Glossary Olympus E-M1X vs Sony A7S III Overview
Below, we will be reviewing the Olympus E-M1X versus Sony A7S III, both Pro Mirrorless digital cameras by companies Olympus and Sony. There exists a large gap between the sensor resolutions of the E-M1X (20MP) and A7S III (12MP) and the E-M1X (Four Thirds) and A7S III (Full frame) come with totally different sensor sizes.
President Biden pushes bill mandating TikTok sale or banThe E-M1X was announced 18 months before the A7S III which makes the cameras a generation apart from one another. Both the cameras come with the identical body type (SLR-style mirrorless).
Before delving in to a complete comparison, below is a short introduction of how the E-M1X grades versus the A7S III in the way of portability, imaging, features and an overall rating.
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Here is a preview of the gallery photos for Olympus OM-D E-M1X & Sony Alpha A7S III. The whole galleries are provided at Olympus E-M1X Gallery & Sony A7S III Gallery.
Reasons to pick Olympus E-M1X over the Sony A7S III
| E-M1X | A7S III |
|---|
Reasons to pick Sony A7S III over the Olympus E-M1X
| A7S III | E-M1X | |||
|---|---|---|---|---|
| Introduced | July 2020 |  | January 2019 | Fresher by 18 months |
| Screen resolution | 1440k |  | 1037k | Sharper screen (+403k dot) |
Common features in the Olympus E-M1X and Sony A7S III
| E-M1X | A7S III | |||
|---|---|---|---|---|
| Manual focus |  | Dial accurate focus | ||
| Screen type | Fully Articulated |  | Fully articulated | Fully Articulated screen |
| Screen dimension | 3" |  | 3" | Identical screen dimensions |
| Selfie screen |  | Both good for selfies | ||
| Touch screen |  | Quickly navigate |
Olympus E-M1X vs Sony A7S III Physical Comparison
For anybody who is looking to carry your camera frequently, you'll have to think about its weight and measurements. The Olympus E-M1X offers exterior dimensions of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") along with a weight of 997 grams (2.20 lbs) whilst the Sony A7S III has proportions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") having a weight of 699 grams (1.54 lbs).
Take a look at the Olympus E-M1X versus Sony A7S III in our newest Camera & Lens Size Comparison Tool.
Take into consideration, the weight of an ILC will vary dependant on the lens you use at that moment. Underneath is the front view measurements comparison of the E-M1X and the A7S III.
Using dimensions and weight, the portability score of the E-M1X and A7S III is 54 and 61 respectively.
Olympus E-M1X vs Sony A7S III Sensor Comparison
More often than not, it is tough to see the gap between sensor sizing merely by reading technical specs. The graphic here might offer you a much better sense of the sensor sizes in the E-M1X and A7S III.
As you have seen, the two cameras posses different resolutions and different sensor sizing. The E-M1X with its tinier sensor will make achieving shallower depth of field trickier and the Olympus E-M1X will offer you more detail with its extra 8MP. Higher resolution will allow you to crop pictures somewhat more aggressively. The older E-M1X is going to be behind when it comes to sensor tech.
Olympus E-M1X vs Sony A7S III Screen and ViewFinder
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Portrait Comparison
Portrait photography with Olympus E-M1X
Portrait photography with Sony A7S III
focusing manually
decent sensor resolution (20MP)
decent sensor size (Four Thirds)
features face detect focusing
delivers RAW files
focusing manually
great sensor size (Full frame)
comes with face detection autofocus
exports RAW formats
low megapixels (12 megapixels)
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Olympus E-M1X Street photography info
Sony A7S III Street photography info
fully articulated screen
has image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
delivers RAW files
features touch to focus
weather sealing
above average ISO range (25,600)
more heavy than competitors in class (997g)
image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
exports RAW formats
features touch focus
weather proof
good ISO range (102,400)
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Olympus E-M1X Sports photography advice
Sony A7S III Sports photography advice
great max shutter speed (1/8,000 seconds)
silent shooting (1/32,000 seconds)
fast shooting (60.0 fps)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (20 megapixels)
decent sensor size (Four Thirds)
features tracking focus
weather sealing
great battery life (870 CIPA)
supports phase detect AF
maximum shutter speed is high (1/8,000s)
image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
comes with tracking autofocus
weather proof
great battery power (600 CIPA)
supports phase detect autofocus
low megapixels (12 megapixels)
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Travel photography with Olympus E-M1X
Travel photography with Sony A7S III
great battery life (870 per charge)
weather sealing
supports bluetooth
features touch to focus
decent sensor resolution (20MP)
selfie friendly display
more heavy than competitors in class (997g)
great battery power (600 CIPA)
weather proof
connects via bluetooth
features touch focus
display is selfie friendly
low megapixels (12 megapixels)
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Olympus E-M1X Landscape photography features
Sony A7S III Landscape photography features
focusing manually
change lenses (Micro Four Thirds mount)
decent sized screen (3 inches)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (20MP)
decent sensor size (Four Thirds)
above average ISO range (25,600)
delivers RAW files
weather sealing
great battery life (870 per charge)
two card slots
focusing manually
interchangeable lenses (Sony E mount)
pretty good screen size (3")
image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
good ISO range (102,400)
exports RAW formats
weather proof
great battery power (600 per charge)
has dual storage slots
low megapixels (12 megapixels)
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Vlogging with Olympus E-M1X
Vlogging with Sony A7S III
selfie friendly display
has touchscreen
has image stabilization (Sensor based 5-axis)
features face detect focusing
good video quality (4096 x 2160 pxls)
comes with microphone socket
more heavy than competitors in class (997 grams)
display is selfie friendly
touchscreen functionality
image stabilization (Sensor based 5-axis)
comes with face detection autofocus
high res video (3840 x 2160 pixels)
comes with external microphone jack
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Olympus E-M1X vs Sony A7S III Specifications
| Olympus OM-D E-M1X | Sony Alpha A7S III | |
|---|---|---|
| General Information | ||
| Manufacturer | Olympus | Sony |
| Model type | Olympus OM-D E-M1X | Sony Alpha A7S III |
| Category | Pro Mirrorless | Pro Mirrorless |
| Revealed | 2019-01-24 | 2020-07-21 |
| Body design | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Chip | Dual TruePic VIII | Bionz XR |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor measurements | 17.4 x 13mm | 35.6 x 23.8mm |
| Sensor area | 226.2mm² | 847.3mm² |
| Sensor resolution | 20 megapixels | 12 megapixels |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 3:2 and 16:9 |
| Highest resolution | 5184 x 3888 | 4240 x 2832 |
| Highest native ISO | 25600 | 102400 |
| Highest boosted ISO | - | 409600 |
| Lowest native ISO | 200 | 80 |
| RAW support | ||
| Lowest boosted ISO | 64 | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | 121 | 759 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Sony E |
| Amount of lenses | 107 | 121 |
| Crop factor | 2.1 | 1 |
| Screen | ||
| Range of display | Fully Articulated | Fully articulated |
| Display size | 3 inch | 3 inch |
| Resolution of display | 1,037 thousand dot | 1,440 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Electronic |
| Viewfinder resolution | 2,360 thousand dot | 9,440 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.74x | 0.91x |
| Features | ||
| Lowest shutter speed | 60 secs | 30 secs |
| Highest shutter speed | 1/8000 secs | 1/8000 secs |
| Highest quiet shutter speed | 1/32000 secs | - |
| Continuous shooting speed | 60.0 frames/s | 10.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | no built-in flash | no built-in flash |
| Flash modes | Redeye, Fill-in, Flash Off, Red-eye Slow sync (1st curtain), Slow sync.(1st curtain), Slow sync (2nd curtain), manual | no built-in flash |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM | 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 |
| Highest video resolution | 4096x2160 | 3840x2160 |
| Video format | MPEG-4, H.264 | MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | Yes (USB-PD allows charging by laptop or external power bank) | USB 3.2 Gen 1 (5 GBit/sec) |
| GPS | Built-in | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 997g (2.20 lbs) | 699g (1.54 lbs) |
| Dimensions | 144 x 147 x 75mm (5.7" x 5.8" x 3.0") | 129 x 97 x 81mm (5.1" x 3.8" x 3.2") |
| DXO scores | ||
| DXO All around rating | not tested | 85 |
| DXO Color Depth rating | not tested | 23.6 |
| DXO Dynamic range rating | not tested | 13.3 |
| DXO Low light rating | not tested | 2993 |
| Other | ||
| Battery life | 870 photographs | 600 photographs |
| Battery format | Built-in | Battery Pack |
| Battery ID | - | NP-FZ100 |
| Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
| Time lapse feature | With downloadable app | |
| Type of storage | - | Dual SD/CFexpress Type A slots |
| Storage slots | Two | Two |
| Retail price | $2,999 | $3,499 |