Olympus E-M10 IV vs Panasonic ZS20
81 Imaging
61 Features
83 Overall
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92 Imaging
37 Features
46 Overall
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Olympus E-M10 IV vs Panasonic ZS20 Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Tilting Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 3840 x 2160 video
- Micro Four Thirds Mount
- 383g - 122 x 84 x 49mm
- Introduced August 2020
- Previous Model is Olympus E-M10 III
(Full Review)
- 14MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 100 - 6400
- Optical Image Stabilization
- 1920 x 1080 video
- 24-480mm (F3.3-6.4) lens
- 206g - 105 x 59 x 28mm
- Released April 2012
- Other Name is Lumix DMC-TZ30
- Succeeded the Panasonic ZS15
- New Model is Panasonic ZS25
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Let's look more closely at the Olympus E-M10 IV versus Panasonic ZS20, former being a Entry-Level Mirrorless while the other is a Small Sensor Superzoom by competitors Olympus and Panasonic. There is a substantial difference between the image resolutions of the E-M10 IV (20MP) and ZS20 (14MP) and the E-M10 IV (Four Thirds) and ZS20 (1/2.3") provide totally different sensor sizing.
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneThe E-M10 IV was introduced 8 years later than the ZS20 and that is quite a big difference as far as tech is concerned. Each of these cameras have different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Panasonic ZS20 being a Compact camera.
Before going straight to a in-depth comparison, here is a brief overview of how the E-M10 IV grades versus the ZS20 when it comes to portability, imaging, features and an overall rating.
Photography Glossary Olympus E-M10 IV vs Panasonic ZS20 Gallery
Following is a sample of the gallery pics for Olympus OM-D E-M10 IV & Panasonic Lumix DMC-ZS20. The whole galleries are available at Olympus E-M10 IV Gallery & Panasonic ZS20 Gallery.
Reasons to pick Olympus E-M10 IV over the Panasonic ZS20
| E-M10 IV | ZS20 | |||
|---|---|---|---|---|
| Released | August 2020 | April 2012 | Fresher by 101 months | |
| Manually focus | Very accurate focus | |||
| Display type | Tilting | Fixed | Tilting display | |
| Display resolution | 1040k | 460k | Sharper display (+580k dot) | |
| Selfie screen | Take selfies |
Reasons to pick Panasonic ZS20 over the Olympus E-M10 IV
| ZS20 | E-M10 IV |
|---|
Common features in the Olympus E-M10 IV and Panasonic ZS20
| E-M10 IV | ZS20 | |||
|---|---|---|---|---|
| Display dimensions | 3" | 3" | Equal display measurement | |
| Touch friendly display | Easily navigate |
Olympus E-M10 IV vs Panasonic ZS20 Physical Comparison
For anybody who is intending to carry your camera frequently, you'll have to factor its weight and proportions. The Olympus E-M10 IV offers physical measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") having a weight of 383 grams (0.84 lbs) and the Panasonic ZS20 has measurements of 105mm x 59mm x 28mm (4.1" x 2.3" x 1.1") with a weight of 206 grams (0.45 lbs).
Check out the Olympus E-M10 IV versus Panasonic ZS20 in our newest Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will change depending on the lens you use at the time. Following is a front view size comparison of the E-M10 IV against the ZS20.

Factoring in size and weight, the portability rating of the E-M10 IV and ZS20 is 81 and 92 respectively.
Olympus E-M10 IV vs Panasonic ZS20 Sensor Comparison
Oftentimes, it can be hard to see the contrast between sensor sizing merely by going over a spec sheet. The graphic below might offer you a clearer sense of the sensor measurements in the E-M10 IV and ZS20.
As you can see, both the cameras have different resolutions and different sensor sizing. The E-M10 IV using its larger sensor will make getting shallow DOF easier and the Olympus E-M10 IV will offer greater detail using its extra 6 Megapixels. Greater resolution can also help you crop photos a bit more aggressively. The fresher E-M10 IV will have an advantage in sensor innovation.
Olympus E-M10 IV vs Panasonic ZS20 Screen and ViewFinder
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Olympus E-M10 IV vs Panasonic ZS20 Specifications
| Olympus OM-D E-M10 IV | Panasonic Lumix DMC-ZS20 | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Panasonic |
| Model | Olympus OM-D E-M10 IV | Panasonic Lumix DMC-ZS20 |
| Alternate name | - | Lumix DMC-TZ30 |
| Class | Entry-Level Mirrorless | Small Sensor Superzoom |
| Introduced | 2020-08-04 | 2012-04-26 |
| Physical type | SLR-style mirrorless | Compact |
| Sensor Information | ||
| Chip | TruePic VIII | - |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | 1/2.3" |
| Sensor measurements | 17.4 x 13mm | 6.08 x 4.56mm |
| Sensor area | 226.2mm² | 27.7mm² |
| Sensor resolution | 20 megapixel | 14 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3, 3:2 and 16:9 |
| Max resolution | 5184 x 3888 | 4320 x 3240 |
| Max native ISO | 25600 | 6400 |
| Lowest native ISO | 200 | 100 |
| RAW images | ||
| Lowest enhanced ISO | 100 | - |
| Autofocusing | ||
| Manual focus | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Number of focus points | 121 | 23 |
| Lens | ||
| Lens mount | Micro Four Thirds | fixed lens |
| Lens focal range | - | 24-480mm (20.0x) |
| Highest aperture | - | f/3.3-6.4 |
| Macro focus range | - | 3cm |
| Amount of lenses | 107 | - |
| Focal length multiplier | 2.1 | 5.9 |
| Screen | ||
| Display type | Tilting | Fixed Type |
| Display sizing | 3 inch | 3 inch |
| Resolution of display | 1,040k dots | 460k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | None |
| Viewfinder resolution | 2,360k dots | - |
| Viewfinder coverage | 100 percent | - |
| Viewfinder magnification | 0.62x | - |
| Features | ||
| Min shutter speed | 60 secs | 15 secs |
| Max shutter speed | 1/4000 secs | 1/2000 secs |
| Max quiet shutter speed | 1/16000 secs | - |
| Continuous shutter rate | 8.7 frames/s | 10.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | 7.20 m (at ISO 200) | 6.40 m |
| Flash modes | Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual | Auto, On, Off, Red-eye, Slow Syncro |
| Hot shoe | ||
| AE bracketing | ||
| White balance bracketing | ||
| Max flash synchronize | 1/250 secs | - |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM | 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps), 320 x 240 (220 fps) |
| Max video resolution | 3840x2160 | 1920x1080 |
| Video data format | MPEG-4, H.264 | MPEG-4, AVCHD |
| Microphone support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | BuiltIn |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 383 grams (0.84 pounds) | 206 grams (0.45 pounds) |
| Physical dimensions | 122 x 84 x 49mm (4.8" x 3.3" x 1.9") | 105 x 59 x 28mm (4.1" x 2.3" x 1.1") |
| DXO scores | ||
| DXO Overall score | not tested | not tested |
| DXO Color Depth score | not tested | not tested |
| DXO Dynamic range score | not tested | not tested |
| DXO Low light score | not tested | not tested |
| Other | ||
| Battery life | 360 photographs | 260 photographs |
| Style of battery | Battery Pack | Battery Pack |
| Battery model | BLS-50 | - |
| Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC/SDXC, Internal |
| Card slots | One | One |
| Cost at release | $699 | $349 |