Olympus E-M5 III vs Panasonic GX85
80 Imaging
61 Features
88 Overall
71
83 Imaging
54 Features
76 Overall
62
Olympus E-M5 III vs Panasonic GX85 Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 414g - 125 x 85 x 50mm
- Revealed October 2019
- Replaced the Olympus E-M5 II
- Refreshed by OM System OM-5
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 3840 x 2160 video
- Micro Four Thirds Mount
- 426g - 122 x 71 x 44mm
- Announced April 2016
- Also Known as Lumix DMC-GX80 / Lumix DMC-GX7 Mark II
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Lets take a deeper look at the Olympus E-M5 III vs Panasonic GX85, both Advanced Mirrorless cameras by competitors Olympus and Panasonic. There exists a noticeable gap among the sensor resolutions of the E-M5 III (20MP) and GX85 (16MP) but both cameras posses the same sensor sizes (Four Thirds).
Samsung Releases Faster Versions of EVO MicroSD CardsThe E-M5 III was introduced 3 years later than the GX85 and that is a fairly sizable difference as far as camera technology is concerned. Both the cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Panasonic GX85 being a Rangefinder-style mirrorless camera.
Before delving straight to a full comparison, here is a simple view of how the E-M5 III scores versus the GX85 with regards to portability, imaging, features and an overall grade.
Photography Glossary Olympus E-M5 III vs Panasonic GX85 Gallery
Here is a sample of the gallery pictures for Olympus OM-D E-M5 III & Panasonic Lumix DMC-GX85. The whole galleries are provided at Olympus E-M5 III Gallery & Panasonic GX85 Gallery.
Reasons to pick Olympus E-M5 III over the Panasonic GX85
| E-M5 III | GX85 | |||
|---|---|---|---|---|
| Announced | October 2019 | April 2016 | More recent by 43 months | |
| Display type | Fully Articulated | Tilting | Fully Articulating display | |
| Selfie screen | Take selfies |
Reasons to pick Panasonic GX85 over the Olympus E-M5 III
| GX85 | E-M5 III |
|---|
Common features in the Olympus E-M5 III and Panasonic GX85
| E-M5 III | GX85 | |||
|---|---|---|---|---|
| Manually focus | Dial accurate focus | |||
| Display dimensions | 3" | 3" | Equal display dimensions | |
| Display resolution | 1040k | 1040k | The same display resolution | |
| Touch friendly display | Easily navigate |
Olympus E-M5 III vs Panasonic GX85 Physical Comparison
For those who are looking to lug around your camera regularly, you need to factor in its weight and measurements. The Olympus E-M5 III comes with exterior measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") and a weight of 414 grams (0.91 lbs) while the Panasonic GX85 has proportions of 122mm x 71mm x 44mm (4.8" x 2.8" x 1.7") along with a weight of 426 grams (0.94 lbs).
See the Olympus E-M5 III vs Panasonic GX85 in our newest Camera & Lens Size Comparison Tool.
Take into account, the weight of an ILC will differ dependant on the lens you are working with during that time. Here is a front view physical size comparison of the E-M5 III and the GX85.

Taking into consideration dimensions and weight, the portability rating of the E-M5 III and GX85 is 80 and 83 respectively.
Olympus E-M5 III vs Panasonic GX85 Sensor Comparison
Typically, it is very difficult to visualize the gap in sensor measurements simply by viewing a spec sheet. The graphic here may give you a far better sense of the sensor sizing in the E-M5 III and GX85.
As you can see, each of these cameras have the same sensor dimensions but different resolution. You can anticipate the Olympus E-M5 III to provide you with extra detail using its extra 4MP. Greater resolution can also enable you to crop pics a bit more aggressively. The fresher E-M5 III should have an advantage in sensor innovation.
Olympus E-M5 III vs Panasonic GX85 Screen and ViewFinder
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Olympus E-M5 III vs Panasonic GX85 Specifications
| Olympus OM-D E-M5 III | Panasonic Lumix DMC-GX85 | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Panasonic |
| Model type | Olympus OM-D E-M5 III | Panasonic Lumix DMC-GX85 |
| Also called as | - | Lumix DMC-GX80 / Lumix DMC-GX7 Mark II |
| Class | Advanced Mirrorless | Advanced Mirrorless |
| Revealed | 2019-10-17 | 2016-04-05 |
| Physical type | SLR-style mirrorless | Rangefinder-style mirrorless |
| Sensor Information | ||
| Processor Chip | TruePic VIII | Venus Engine |
| Sensor type | MOS | CMOS |
| Sensor size | Four Thirds | Four Thirds |
| Sensor dimensions | 17.4 x 13mm | 17.3 x 13mm |
| Sensor surface area | 226.2mm² | 224.9mm² |
| Sensor resolution | 20MP | 16MP |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3, 3:2 and 16:9 |
| Maximum resolution | 5184 x 3888 | 4592 x 3448 |
| Maximum native ISO | 25600 | 25600 |
| Min native ISO | 200 | 200 |
| RAW pictures | ||
| Min boosted ISO | 64 | 100 |
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Total focus points | 121 | 49 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Micro Four Thirds |
| Total lenses | 107 | 107 |
| Crop factor | 2.1 | 2.1 |
| Screen | ||
| Display type | Fully Articulated | Tilting |
| Display sizing | 3 inch | 3 inch |
| Resolution of display | 1,040k dots | 1,040k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 2,360k dots | 2,764k dots |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.68x | - |
| Features | ||
| Slowest shutter speed | 60 seconds | 60 seconds |
| Maximum shutter speed | 1/8000 seconds | 1/4000 seconds |
| Maximum quiet shutter speed | 1/32000 seconds | 1/16000 seconds |
| Continuous shooting rate | 30.0 frames/s | 8.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | no built-in flash | 6.00 m (at ISO 200) |
| Flash options | Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual | Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Maximum flash synchronize | 1/250 seconds | - |
| 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 (30p, 24p), 1920 x 1080 (60p, 60i, 30p, 24p), 1280 x 720 (30p), 640 x 480 (30p) |
| Maximum video resolution | 4096x2160 | 3840x2160 |
| Video file format | MPEG-4, H.264 | MPEG-4, AVCHD |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 414g (0.91 pounds) | 426g (0.94 pounds) |
| Physical dimensions | 125 x 85 x 50mm (4.9" x 3.3" x 2.0") | 122 x 71 x 44mm (4.8" x 2.8" x 1.7") |
| DXO scores | ||
| DXO All around rating | not tested | 71 |
| DXO Color Depth rating | not tested | 22.9 |
| DXO Dynamic range rating | not tested | 12.6 |
| DXO Low light rating | not tested | 662 |
| Other | ||
| Battery life | 310 images | 290 images |
| Battery type | Battery Pack | Battery Pack |
| Battery ID | BLN-1 | - |
| Self timer | Yes (2 or 10 secs, custom) | Yes |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC/SDXC card |
| Card slots | One | One |
| Price at launch | $1,199 | $800 |