Olympus E-M10 IV vs Sony A6100
81 Imaging
62 Features
83 Overall
70


81 Imaging
69 Features
88 Overall
76
Olympus E-M10 IV vs Sony A6100 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
- Replaced the Olympus E-M10 III
(Full Review)
- 24MP - APS-C Sensor
- 3" Tilting Display
- ISO 100 - 32000 (Expand to 51200)
- 3840 x 2160 video
- Sony E Mount
- 396g - 120 x 67 x 59mm
- Revealed August 2019

Olympus E-M10 IV vs Sony A6100 Overview
On this page, we are evaluating the Olympus E-M10 IV and Sony A6100, one being a Entry-Level Mirrorless and the other is a Advanced Mirrorless by brands Olympus and Sony. The resolution of the E-M10 IV (20MP) and the A6100 (24MP) is very well matched but the E-M10 IV (Four Thirds) and A6100 (APS-C) have different sensor dimensions.

The E-M10 IV was announced 12 months later than the A6100 so they are both of a similar generation. Each of these cameras have different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Sony A6100 being a Rangefinder-style mirrorless camera.
Before we go right into a in-depth comparison, here is a concise summary of how the E-M10 IV scores vs the A6100 when it comes to portability, imaging, features and an overall grade.

Olympus E-M10 IV vs Sony A6100 Gallery
Here is a sample of the gallery pics for Olympus OM-D E-M10 IV and Sony Alpha a6100. The whole galleries are viewable at Olympus E-M10 IV Gallery and Sony A6100 Gallery.
Reasons to pick Olympus E-M10 IV over the Sony A6100
E-M10 IV | A6100 | |||
---|---|---|---|---|
Revealed | August 2020 | ![]() | August 2019 | More recent by 12 months |
Display resolution | 1040k | ![]() | 922k | Clearer display (+118k dot) |
Reasons to pick Sony A6100 over the Olympus E-M10 IV
A6100 | E-M10 IV |
---|
Common features in the Olympus E-M10 IV and Sony A6100
E-M10 IV | A6100 | |||
---|---|---|---|---|
Manual focus | ![]() | Very accurate focus | ||
Display type | Tilting | ![]() | Tilting | Tilting display |
Display dimensions | 3" | ![]() | 3" | Equal display sizing |
Selfie screen | ![]() | Both are selfie friendly | ||
Touch display | ![]() | Easily navigate |
Olympus E-M10 IV vs Sony A6100 Physical Comparison
For those who are looking to lug around your camera often, you'll need to factor its weight and size. The Olympus E-M10 IV has got external dimensions of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") and a weight of 383 grams (0.84 lbs) and the Sony A6100 has specifications of 120mm x 67mm x 59mm (4.7" x 2.6" x 2.3") accompanied by a weight of 396 grams (0.87 lbs).
Contrast the Olympus E-M10 IV and Sony A6100 in the latest Camera and Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you select at that moment. Below is a front view overall size comparison of the E-M10 IV compared to the A6100.

Factoring in dimensions and weight, the portability grade of the E-M10 IV and A6100 is 81 and 81 respectively.

Olympus E-M10 IV vs Sony A6100 Sensor Comparison
More often than not, it can be tough to picture the contrast between sensor measurements merely by reading through technical specs. The visual here should give you a better sense of the sensor dimensions in the E-M10 IV and A6100.
As you have seen, both of the cameras have different resolutions and different sensor measurements. The E-M10 IV with its tinier sensor is going to make shooting shallow depth of field trickier and the Sony A6100 will give you greater detail with its extra 4MP. Greater resolution can also make it easier to crop images a bit more aggressively. The more recent E-M10 IV provides an advantage in sensor innovation.

Olympus E-M10 IV vs Sony A6100 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus E-M10 IV vs Sony A6100 Specifications
Olympus OM-D E-M10 IV | Sony Alpha a6100 | |
---|---|---|
General Information | ||
Make | Olympus | Sony |
Model type | Olympus OM-D E-M10 IV | Sony Alpha a6100 |
Category | Entry-Level Mirrorless | Advanced Mirrorless |
Introduced | 2020-08-04 | 2019-08-28 |
Physical type | SLR-style mirrorless | Rangefinder-style mirrorless |
Sensor Information | ||
Powered by | TruePic VIII | Bionz X |
Sensor type | CMOS | CMOS |
Sensor size | Four Thirds | APS-C |
Sensor measurements | 17.4 x 13mm | 23.5 x 15.6mm |
Sensor surface area | 226.2mm² | 366.6mm² |
Sensor resolution | 20 megapixel | 24 megapixel |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 3:2 and 16:9 |
Full resolution | 5184 x 3888 | 6000 x 4000 |
Max native ISO | 25600 | 32000 |
Max boosted ISO | - | 51200 |
Minimum native ISO | 200 | 100 |
RAW photos | ||
Minimum boosted ISO | 100 | - |
Autofocusing | ||
Manual focusing | ||
Autofocus touch | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detect focus | ||
Contract detect focus | ||
Phase detect focus | ||
Total focus points | 121 | 425 |
Lens | ||
Lens support | Micro Four Thirds | Sony E |
Number of lenses | 107 | 121 |
Focal length multiplier | 2.1 | 1.5 |
Screen | ||
Type of display | Tilting | Tilting |
Display size | 3" | 3" |
Display resolution | 1,040k dots | 922k dots |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Viewfinder Information | ||
Viewfinder | Electronic | Electronic |
Viewfinder resolution | 2,360k dots | 1,440k dots |
Viewfinder coverage | 100 percent | 100 percent |
Viewfinder magnification | 0.62x | 0.71x |
Features | ||
Slowest shutter speed | 60s | 30s |
Maximum shutter speed | 1/4000s | 1/4000s |
Maximum quiet shutter speed | 1/16000s | - |
Continuous shooting rate | 8.7fps | 11.0fps |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 7.20 m (at ISO 200) | 6.00 m (at ISO 100) |
Flash modes | Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual | Flash off, auto, fill flash, slow sync, rear sync, wireless, hi-speed |
Hot shoe | ||
AE bracketing | ||
WB bracketing | ||
Maximum flash synchronize | 1/250s | - |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported 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 | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
Max video resolution | 3840x2160 | 3840x2160 |
Video data format | MPEG-4, H.264 | MPEG-4, XAVC S, H.264 |
Microphone port | ||
Headphone port | ||
Connectivity | ||
Wireless | Built-In | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | Yes |
GPS | None | None |
Physical | ||
Environmental sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 383g (0.84 pounds) | 396g (0.87 pounds) |
Physical dimensions | 122 x 84 x 49mm (4.8" x 3.3" x 1.9") | 120 x 67 x 59mm (4.7" x 2.6" x 2.3") |
DXO scores | ||
DXO All around rating | not tested | not tested |
DXO Color Depth rating | not tested | not tested |
DXO Dynamic range rating | not tested | not tested |
DXO Low light rating | not tested | not tested |
Other | ||
Battery life | 360 shots | 420 shots |
Battery type | Battery Pack | Battery Pack |
Battery ID | BLS-50 | NP-FW50 |
Self timer | Yes (2 or 12 sec, custom) | Yes |
Time lapse feature | ||
Storage type | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC/SDXC + Memory Stick Pro Duo |
Card slots | 1 | 1 |
Retail cost | $699 | $748 |