Olympus E-M1 III vs Sony TX66
67 Imaging
62 Features
96 Overall
75


97 Imaging
41 Features
51 Overall
45
Olympus E-M1 III vs Sony TX66 Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 580g - 134 x 91 x 69mm
- Revealed February 2020
- Earlier Model is Olympus E-M1 II
(Full Review)
- 18MP - 1/2.3" Sensor
- 3.3" Fixed Display
- ISO 80 - 12800
- Optical Image Stabilization
- 1920 x 1080 video
- 26-130mm (F3.5-4.8) lens
- 109g - 93 x 54 x 13mm
- Introduced February 2012

Olympus E-M1 III vs Sony TX66 Overview
In this write-up, we are analyzing the Olympus E-M1 III versus Sony TX66, former being a Pro Mirrorless while the other is a Ultracompact by competitors Olympus and Sony. The resolution of the E-M1 III (20MP) and the TX66 (18MP) is very well matched but the E-M1 III (Four Thirds) and TX66 (1/2.3") use totally different sensor sizing.

The E-M1 III was revealed 8 years later than the TX66 and that is quite a serious difference as far as tech is concerned. Both of these cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony TX66 being a Ultracompact camera.
Before getting through a in depth comparison, below is a concise view of how the E-M1 III grades against the TX66 when considering portability, imaging, features and an overall grade.

Olympus E-M1 III vs Sony TX66 Gallery
Following is a sample of the gallery pics for Olympus OM-D E-M1 Mark III & Sony Cyber-shot DSC-TX66. The full galleries are provided at Olympus E-M1 III Gallery & Sony TX66 Gallery.
Reasons to pick Olympus E-M1 III over the Sony TX66
E-M1 III | TX66 | |||
---|---|---|---|---|
Introduced | February 2020 | ![]() | February 2012 | More recent by 97 months |
Display type | Fully Articulated | ![]() | Fixed | Fully Articulating display |
Selfie screen | ![]() | Easy selfies |
Reasons to pick Sony TX66 over the Olympus E-M1 III
TX66 | E-M1 III | |||
---|---|---|---|---|
Display sizing | 3.3" | ![]() | 3" | Larger display (+0.3") |
Display resolution | 1230k | ![]() | 1037k | Sharper display (+193k dot) |
Common features in the Olympus E-M1 III and Sony TX66
E-M1 III | TX66 | |||
---|---|---|---|---|
Manual focus | ![]() | Very accurate focus | ||
Touch display | ![]() | Easily navigate |
Olympus E-M1 III vs Sony TX66 Physical Comparison
When you are going to lug around your camera often, you're going to have to factor in its weight and proportions. The Olympus E-M1 III enjoys exterior dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) and the Sony TX66 has measurements of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") having a weight of 109 grams (0.24 lbs).
Check the Olympus E-M1 III versus Sony TX66 in our newest Camera plus Lens Size Comparison Tool.
Take into account, the weight of an ILC will vary depending on the lens you are utilizing at the time. Here is the front view dimension comparison of the E-M1 III versus the TX66.

Taking into account size and weight, the portability score of the E-M1 III and TX66 is 67 and 97 respectively.

Olympus E-M1 III vs Sony TX66 Sensor Comparison
Oftentimes, it is tough to visualise the difference between sensor measurements purely by reading through specifications. The graphic here will offer you a far better sense of the sensor dimensions in the E-M1 III and TX66.
To sum up, the 2 cameras enjoy different resolutions and different sensor measurements. The E-M1 III having a larger sensor will make achieving shallower depth of field easier and the Olympus E-M1 III will resolve extra detail because of its extra 2 Megapixels. Greater resolution can also make it easier to crop pics far more aggressively. The newer E-M1 III will have an edge in sensor tech.

Olympus E-M1 III vs Sony TX66 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus E-M1 III vs Sony TX66 Specifications
Olympus OM-D E-M1 Mark III | Sony Cyber-shot DSC-TX66 | |
---|---|---|
General Information | ||
Make | Olympus | Sony |
Model type | Olympus OM-D E-M1 Mark III | Sony Cyber-shot DSC-TX66 |
Type | Pro Mirrorless | Ultracompact |
Revealed | 2020-02-11 | 2012-02-28 |
Body design | SLR-style mirrorless | Ultracompact |
Sensor Information | ||
Processor Chip | TruePic IX | BIONZ |
Sensor type | CMOS | BSI-CMOS |
Sensor size | Four Thirds | 1/2.3" |
Sensor dimensions | 17.4 x 13mm | 6.17 x 4.55mm |
Sensor area | 226.2mm² | 28.1mm² |
Sensor resolution | 20MP | 18MP |
Anti alias filter | ||
Aspect ratio | 4:3 | 4:3 and 16:9 |
Full resolution | 5184 x 3888 | 4896 x 3672 |
Max native ISO | 25600 | 12800 |
Minimum native ISO | 200 | 80 |
RAW format | ||
Minimum boosted ISO | 64 | - |
Autofocusing | ||
Manual focusing | ||
AF touch | ||
Continuous AF | ||
Single AF | ||
AF tracking | ||
Selective AF | ||
AF center weighted | ||
AF multi area | ||
AF live view | ||
Face detect AF | ||
Contract detect AF | ||
Phase detect AF | ||
Total focus points | 121 | - |
Cross type focus points | 121 | - |
Lens | ||
Lens mount type | Micro Four Thirds | fixed lens |
Lens zoom range | - | 26-130mm (5.0x) |
Max aperture | - | f/3.5-4.8 |
Macro focusing range | - | 1cm |
Total lenses | 107 | - |
Focal length multiplier | 2.1 | 5.8 |
Screen | ||
Display type | Fully Articulated | Fixed Type |
Display sizing | 3" | 3.3" |
Resolution of display | 1,037k dot | 1,230k dot |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Display technology | - | XtraFine TruBlack OLED display |
Viewfinder Information | ||
Viewfinder | Electronic | None |
Viewfinder resolution | 2,360k dot | - |
Viewfinder coverage | 100 percent | - |
Viewfinder magnification | 0.74x | - |
Features | ||
Slowest shutter speed | 60s | 30s |
Maximum shutter speed | 1/8000s | 1/4000s |
Maximum quiet shutter speed | 1/32000s | - |
Continuous shooting speed | 60.0 frames/s | 10.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | - |
Change WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | no built-in flash | 3.10 m |
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, Rear Slow Sync |
External flash | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Maximum flash sync | 1/250s | - |
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 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps) |
Max video resolution | 4096x2160 | 1920x1080 |
Video file format | MPEG-4, H.264 | MPEG-4, AVCHD |
Mic jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Built-In | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.1 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 580 gr (1.28 lbs) | 109 gr (0.24 lbs) |
Dimensions | 134 x 91 x 69mm (5.3" x 3.6" x 2.7") | 93 x 54 x 13mm (3.7" x 2.1" x 0.5") |
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 | 420 shots | 250 shots |
Style of battery | Battery Pack | Battery Pack |
Battery ID | BLH-1 | NP-BN |
Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 10 sec, Portrait 1/2) |
Time lapse shooting | ||
Storage media | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | Memory Stick Duo/Pro Duo/Pro-HG Duo, microSD/microSDHC |
Storage slots | Dual | Single |
Retail pricing | $1,800 | $350 |