Olympus E-M1 III vs Sony RX100
Portability
67 Imaging
62 Features
96 Overall
75
67 Imaging
62 Features
96 Overall
75
Portability
91 Imaging
50 Features
68 Overall
57
91 Imaging
50 Features
68 Overall
57
Olympus E-M1 III vs Sony RX100 Key Specs
Olympus E-M1 III
(Full Review)
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 580g - 134 x 91 x 69mm
- Launched February 2020
- Succeeded the Olympus E-M1 II
Sony RX100
(Full Review)
(Full Review)
- 20MP - 1" Sensor
- 3" Fixed Display
- ISO 100 - 25600
- Optical Image Stabilization
- 1920 x 1080 video
- 28-100mm (F1.8-4.9) lens
- 240g - 102 x 58 x 36mm
- Released August 2012
- Refreshed by Sony RX100 II
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On this page, we are reviewing the Olympus E-M1 III versus Sony RX100, former being a Pro Mirrorless while the other is a Large Sensor Compact by companies Olympus and Sony. The resolution of the E-M1 III (20MP) and the RX100 (20MP) is very close but the E-M1 III (Four Thirds) and RX100 (1") provide totally different sensor measurements.
Photography GlossaryThe E-M1 III was revealed 7 years later than the RX100 and that is a fairly big difference as far as camera technology is concerned. Both cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony RX100 being a Large Sensor Compact camera.
Before delving into a comprehensive comparison, here is a simple summary of how the E-M1 III scores vs the RX100 with regards to portability, imaging, features and an overall rating.
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This is a sample of the gallery pics for Olympus OM-D E-M1 Mark III & Sony Cyber-shot DSC-RX100. The full galleries are available at Olympus E-M1 III Gallery & Sony RX100 Gallery.
Reasons to pick Olympus E-M1 III over the Sony RX100
| E-M1 III | RX100 | |||
|---|---|---|---|---|
| Released | February 2020 |  | August 2012 | Fresher by 91 months |
| Display type | Fully Articulated |  | Fixed | Fully Articulating display |
| Selfie screen |  | Take selfies | ||
| Touch friendly display |  | Easily navigate |
Reasons to pick Sony RX100 over the Olympus E-M1 III
| RX100 | E-M1 III | |||
|---|---|---|---|---|
| Display resolution | 1229k |  | 1037k | Sharper display (+192k dot) |
Common features in the Olympus E-M1 III and Sony RX100
| E-M1 III | RX100 | |||
|---|---|---|---|---|
| Manually focus |  | Very accurate focus | ||
| Display dimensions | 3" |  | 3" | Equal display measurements |
Olympus E-M1 III vs Sony RX100 Physical Comparison
For anybody who is going to carry your camera, you're going to have to think about its weight and size. The Olympus E-M1 III offers exterior measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) whilst the Sony RX100 has specifications of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") having a weight of 240 grams (0.53 lbs).
Check the Olympus E-M1 III versus Sony RX100 in our completely new Camera & Lens Size Comparison Tool.
Take into consideration, the weight of an ILC will change depending on the lens you are employing during that time. Following is a front view proportions comparison of the E-M1 III and the RX100.
Taking into consideration dimensions and weight, the portability score of the E-M1 III and RX100 is 67 and 91 respectively.
Olympus E-M1 III vs Sony RX100 Sensor Comparison
Typically, it's hard to visualise the difference in sensor sizing just by viewing specs. The photograph below will help offer you a greater sense of the sensor measurements in the E-M1 III and RX100.
All in all, each of the cameras have the same megapixel count but not the same sensor sizing. The E-M1 III includes the larger sensor which will make achieving shallower DOF simpler. The fresher E-M1 III will have an edge with regard to sensor innovation.
Olympus E-M1 III vs Sony RX100 Screen and ViewFinder
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Portrait Comparison
Olympus E-M1 III Portrait photography factors
Sony RX100 Portrait photography factors
has manual focus
megapixel count good (20MP)
sensor size is nice (Four Thirds)
features face detection focusing
exports RAW files
has manual focus
great flash sync speed (1/2,000s)
decent MP (20MP)
sensor size is nice (1")
provides face detect autofocus
saves RAW files
no external flash support
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Olympus E-M1 III Street photography features
Sony RX100 Street photography features
screen can move to multiple angles
has image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
exports RAW files
boasts focus by touch
weather proofing
great ISO range (25,600)
has image stabilization (Optical)
sensor size is nice (1")
saves RAW files
lighter than competition in class (240 grams)
very good ISO range (25,600)
fixed screen
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Olympus E-M1 III as a Sports photography camera
Sony RX100 as a Sports photography camera
great max shutter speed (1/8,000s)
quiet shooting (1/32,000s)
fast shooting (60.0 frames per second)
has image stabilization (Sensor based 5-axis)
megapixel count good (20 megapixels)
sensor size is nice (Four Thirds)
features tracking autofocus
weather proofing
sensor has phase detect AF
has image stabilization (Optical)
decent MP (20MP)
sensor size is nice (1")
provides tracking focus
doesn't have phase detect autofocus
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Olympus E-M1 III as a Travel photography camera
Sony RX100 as a Travel photography camera
weather proofing
connects via bluetooth
boasts focus by touch
megapixel count good (20MP)
selfie friendly screen
lighter than competition in class (240 grams)
decent MP (20 megapixels)
built-in flash
pretty wide (28mm)
very good maximum aperture (f1.8)
screen isn't selfie friendly
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Landscape photography with Olympus E-M1 III
Landscape photography with Sony RX100
has manual focus
switch lenses (Micro Four Thirds mount)
good sized screen (3")
has image stabilization (Sensor based 5-axis)
megapixel count good (20MP)
sensor size is nice (Four Thirds)
doesnt have low pass filter
great ISO range (25,600)
exports RAW files
weather proofing
2 card slots
has manual focus
pretty wide (28mm)
very good maximum aperture (f1.8)
screen size is decent (3")
has image stabilization (Optical)
decent MP (20 megapixels)
sensor size is nice (1")
very good ISO range (25,600)
saves RAW files
lens is fixed (fixed lens mount)
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Olympus E-M1 III as a Vlogging camera
Sony RX100 as a Vlogging camera
selfie friendly screen
touchscreen
has image stabilization (Sensor based 5-axis)
features face detection focusing
high res video (4096 x 2160 pxls)
includes external mic support
pretty wide (28mm)
very good maximum aperture (f1.8)
has image stabilization (Optical)
provides face detect autofocus
video resolution high (1920 x 1080 resolution)
lighter than competition in class (240g)
screen isn't selfie friendly
doesn't have mic port
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Olympus E-M1 III vs Sony RX100 Specifications
| Olympus OM-D E-M1 Mark III | Sony Cyber-shot DSC-RX100 | |
|---|---|---|
| General Information | ||
| Company | Olympus | Sony |
| Model | Olympus OM-D E-M1 Mark III | Sony Cyber-shot DSC-RX100 |
| Class | Pro Mirrorless | Large Sensor Compact |
| Launched | 2020-02-11 | 2012-08-28 |
| Body design | SLR-style mirrorless | Large Sensor Compact |
| Sensor Information | ||
| Processor Chip | TruePic IX | - |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | 1" |
| Sensor dimensions | 17.4 x 13mm | 13.2 x 8.8mm |
| Sensor surface area | 226.2mm² | 116.2mm² |
| Sensor resolution | 20 megapixel | 20 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 1:1, 4:3, 3:2 and 16:9 |
| Full resolution | 5184 x 3888 | 5472 x 3648 |
| Max native ISO | 25600 | 25600 |
| Minimum native ISO | 200 | 100 |
| RAW photos | ||
| Minimum boosted ISO | 64 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous AF | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| AF multi area | ||
| Live view AF | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Number of focus points | 121 | 25 |
| Cross focus points | 121 | - |
| Lens | ||
| Lens mounting type | Micro Four Thirds | fixed lens |
| Lens focal range | - | 28-100mm (3.6x) |
| Max aperture | - | f/1.8-4.9 |
| Macro focus distance | - | 5cm |
| Total lenses | 107 | - |
| Crop factor | 2.1 | 2.7 |
| Screen | ||
| Range of screen | Fully Articulated | Fixed Type |
| Screen sizing | 3 inch | 3 inch |
| Resolution of screen | 1,037 thousand dot | 1,229 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Screen technology | - | WhiteMagic TFT LCD |
| Viewfinder Information | ||
| Viewfinder type | Electronic | None |
| Viewfinder resolution | 2,360 thousand dot | - |
| Viewfinder coverage | 100% | - |
| Viewfinder magnification | 0.74x | - |
| Features | ||
| Slowest shutter speed | 60 seconds | 30 seconds |
| Maximum shutter speed | 1/8000 seconds | 1/2000 seconds |
| Maximum silent shutter speed | 1/32000 seconds | - |
| Continuous shooting speed | 60.0 frames per second | 10.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 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 | Auto, On, Off, Slow Sync |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Maximum flash sync | 1/250 seconds | 1/2000 seconds |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 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 | 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps) |
| Max video resolution | 4096x2160 | 1920x1080 |
| Video format | MPEG-4, H.264 | MPEG-4, AVCHD |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 580g (1.28 lb) | 240g (0.53 lb) |
| Physical dimensions | 134 x 91 x 69mm (5.3" x 3.6" x 2.7") | 102 x 58 x 36mm (4.0" x 2.3" x 1.4") |
| DXO scores | ||
| DXO All around score | not tested | 66 |
| DXO Color Depth score | not tested | 22.6 |
| DXO Dynamic range score | not tested | 12.4 |
| DXO Low light score | not tested | 390 |
| Other | ||
| Battery life | 420 photos | 330 photos |
| Form of battery | Battery Pack | Battery Pack |
| Battery model | BLH-1 | NP-BX1 |
| Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 10 sec, Portrait 1/2) |
| Time lapse recording | With downloadable app | |
| Storage media | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
| Storage slots | Dual | 1 |
| Launch pricing | $1,800 | $448 |