Olympus E-M1 III vs Panasonic GX8
67 Imaging
61 Features
96 Overall
75
74 Imaging
58 Features
84 Overall
68
Olympus E-M1 III vs Panasonic GX8 Key Specs
(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
- Released February 2020
- Older Model is Olympus E-M1 II
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 25600
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Micro Four Thirds Mount
- 487g - 133 x 78 x 63mm
- Announced July 2015
- Succeeded the Panasonic GX7
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Here is a complete analysis of the Olympus E-M1 III versus Panasonic GX8, former being a Pro Mirrorless while the latter is a Advanced Mirrorless by competitors Olympus and Panasonic. The resolution of the E-M1 III (20MP) and the GX8 (20MP) is relatively well matched and they feature the same exact sensor dimensions (Four Thirds).
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe E-M1 III was manufactured 4 years later than the GX8 and that is quite a significant difference as far as technology is concerned. Both the cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Panasonic GX8 being a Rangefinder-style mirrorless camera.
Before going straight into a detailed comparison, below is a concise synopsis of how the E-M1 III grades versus the GX8 with regards to portability, imaging, features and an overall rating.
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Below is a preview of the gallery photos for Olympus OM-D E-M1 Mark III & Panasonic Lumix DMC-GX8. The entire galleries are viewable at Olympus E-M1 III Gallery & Panasonic GX8 Gallery.
Reasons to pick Olympus E-M1 III over the Panasonic GX8
| E-M1 III | GX8 | |||
|---|---|---|---|---|
| Announced | February 2020 | July 2015 | Fresher by 56 months |
Reasons to pick Panasonic GX8 over the Olympus E-M1 III
| GX8 | E-M1 III | |||
|---|---|---|---|---|
| Screen resolution | 1040k | 1037k | Sharper screen (+3k dot) |
Common features in the Olympus E-M1 III and Panasonic GX8
| E-M1 III | GX8 | |||
|---|---|---|---|---|
| Focus manually | More precise focusing | |||
| Screen type | Fully Articulated | Fully Articulated | Fully Articulated screen | |
| Screen sizing | 3" | 3" | Equivalent screen sizing | |
| Selfie screen | Both are selfie friendly | |||
| Touch screen | Quickly navigate |
Olympus E-M1 III vs Panasonic GX8 Physical Comparison
For those who are intending to carry your camera, you are going to need to factor its weight and volume. The Olympus E-M1 III has got external dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) while the Panasonic GX8 has sizing of 133mm x 78mm x 63mm (5.2" x 3.1" x 2.5") and a weight of 487 grams (1.07 lbs).
Check the Olympus E-M1 III versus Panasonic GX8 in our completely new Camera & Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will change depending on the lens you are utilizing during that time. Underneath is the front view sizing comparison of the E-M1 III and the GX8.

Taking into consideration dimensions and weight, the portability score of the E-M1 III and GX8 is 67 and 74 respectively.
Olympus E-M1 III vs Panasonic GX8 Sensor Comparison
Typically, it is difficult to picture the contrast between sensor sizing just by reading through specifications. The photograph here might provide you a far better sense of the sensor sizes in the E-M1 III and GX8.
To sum up, each of the cameras offer the same exact sensor sizing and the identical MP therefore you can expect similar quality of files however you should really consider the launch date of the products into consideration. The fresher E-M1 III should have a benefit when it comes to sensor technology.
Olympus E-M1 III vs Panasonic GX8 Screen and ViewFinder
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Olympus E-M1 III vs Panasonic GX8 Specifications
| Olympus OM-D E-M1 Mark III | Panasonic Lumix DMC-GX8 | |
|---|---|---|
| General Information | ||
| Company | Olympus | Panasonic |
| Model type | Olympus OM-D E-M1 Mark III | Panasonic Lumix DMC-GX8 |
| Category | Pro Mirrorless | Advanced Mirrorless |
| Released | 2020-02-11 | 2015-07-16 |
| Physical type | SLR-style mirrorless | Rangefinder-style mirrorless |
| Sensor Information | ||
| Chip | TruePic IX | Venus Engine |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | Four Thirds |
| Sensor measurements | 17.4 x 13mm | 17.3 x 13mm |
| Sensor area | 226.2mm² | 224.9mm² |
| Sensor resolution | 20 megapixel | 20 megapixel |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 1:1, 4:3, 3:2 and 16:9 |
| Highest Possible resolution | 5184 x 3888 | 5184 x 3888 |
| Maximum native ISO | 25600 | 25600 |
| Minimum native ISO | 200 | 200 |
| RAW support | ||
| Minimum enhanced ISO | 64 | 100 |
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| AF center weighted | ||
| Multi area AF | ||
| AF live view | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Total focus points | 121 | 49 |
| Cross type focus points | 121 | - |
| Lens | ||
| Lens support | Micro Four Thirds | Micro Four Thirds |
| Amount of lenses | 107 | 107 |
| Focal length multiplier | 2.1 | 2.1 |
| Screen | ||
| Screen type | Fully Articulated | Fully Articulated |
| Screen sizing | 3 inches | 3 inches |
| Resolution of screen | 1,037 thousand dots | 1,040 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Electronic |
| Viewfinder resolution | 2,360 thousand dots | 2,360 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.74x | 0.77x |
| Features | ||
| Min shutter speed | 60 seconds | 60 seconds |
| Max shutter speed | 1/8000 seconds | 1/8000 seconds |
| Max silent shutter speed | 1/32000 seconds | 1/16000 seconds |
| Continuous shutter rate | 60.0 frames per second | 12.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | no built-in flash | no built-in flash |
| Flash options | Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual | Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Max flash synchronize | 1/250 seconds | - |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| 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 | 3840 x 2160 (30p, 24p), 1920 x 1080 (60p, 30p), 1280 x 720 (60p, 30p), 1280 x 720 (30p), 640 x 480 (30p) |
| Maximum video resolution | 4096x2160 | 3840x2160 |
| Video file format | MPEG-4, H.264 | MPEG-4, AVCHD |
| Microphone support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 580g (1.28 lb) | 487g (1.07 lb) |
| Dimensions | 134 x 91 x 69mm (5.3" x 3.6" x 2.7") | 133 x 78 x 63mm (5.2" x 3.1" x 2.5") |
| DXO scores | ||
| DXO Overall rating | not tested | 75 |
| DXO Color Depth rating | not tested | 23.5 |
| DXO Dynamic range rating | not tested | 12.6 |
| DXO Low light rating | not tested | 806 |
| Other | ||
| Battery life | 420 photos | 330 photos |
| Style of battery | Battery Pack | Battery Pack |
| Battery ID | BLH-1 | - |
| Self timer | Yes (2 or 12 secs, custom) | Yes |
| Time lapse feature | ||
| Storage type | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | SD/SDHC/SDXC card |
| Card slots | Two | One |
| Launch price | $1,800 | $898 |