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Olympus E-M10 IV vs Sony TX66

Portability
81
Imaging
61
Features
83
Overall
69
Olympus OM-D E-M10 IV front
 
Sony Cyber-shot DSC-TX66 front
Portability
97
Imaging
41
Features
51
Overall
45

Olympus E-M10 IV vs Sony TX66 Key Specs

Olympus E-M10 IV
(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
  • Released August 2020
  • Succeeded the Olympus E-M10 III
Sony TX66
(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
  • Revealed February 2012
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Olympus E-M10 IV vs Sony TX66 Overview

The following is a comprehensive review of the Olympus E-M10 IV vs Sony TX66, one is a Entry-Level Mirrorless and the other is a Ultracompact by rivals Olympus and Sony. The image resolution of the E-M10 IV (20MP) and the TX66 (18MP) is fairly similar but the E-M10 IV (Four Thirds) and TX66 (1/2.3") feature different sensor sizes.

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The E-M10 IV was brought out 8 years after the TX66 which is quite a sizable gap as far as tech is concerned. The two cameras offer different body type with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Sony TX66 being a Ultracompact camera.

Before getting in to a complete comparison, below is a simple highlight of how the E-M10 IV scores against the TX66 in the way of portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M10 IV over the Sony TX66

 E-M10 IV TX66 
RevealedAugust 2020February 2012Newer by 103 months
Display typeTiltingFixed Tilting display
Selfie screen Easy selfies

Reasons to pick Sony TX66 over the Olympus E-M10 IV

 TX66 E-M10 IV 
Display sizing3.3"3"Larger display (+0.3")
Display resolution1230k1040kSharper display (+190k dot)

Common features in the Olympus E-M10 IV and Sony TX66

 E-M10 IV TX66 
Focus manually More accurate focusing
Touch display Easily navigate

Olympus E-M10 IV vs Sony TX66 Physical Comparison

In case you're planning to travel with your camera often, you will need to think about its weight and volume. The Olympus E-M10 IV comes with outer 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 Sony TX66 has sizing of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") along with a weight of 109 grams (0.24 lbs).

Look at the Olympus E-M10 IV vs Sony TX66 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change dependant on the lens you are employing at that moment. Following is the front view sizing comparison of the E-M10 IV vs the TX66.

Olympus E-M10 IV vs Sony TX66 size comparison

Taking into consideration size and weight, the portability score of the E-M10 IV and TX66 is 81 and 97 respectively.

Olympus E-M10 IV vs Sony TX66 top view buttons comparison

Olympus E-M10 IV vs Sony TX66 Sensor Comparison

Usually, it's tough to picture the contrast between sensor dimensions merely by going over technical specs. The image here should give you a much better sense of the sensor measurements in the E-M10 IV and TX66.

As you can tell, both cameras enjoy different resolutions and different sensor dimensions. The E-M10 IV due to its larger sensor is going to make getting shallow depth of field simpler and the Olympus E-M10 IV will offer extra detail having its extra 2MP. Greater resolution will also enable you to crop photos far more aggressively. The younger E-M10 IV provides an edge with regard to sensor tech.

Olympus E-M10 IV vs Sony TX66 sensor size comparison

Olympus E-M10 IV vs Sony TX66 Screen and ViewFinder

Olympus E-M10 IV vs Sony TX66 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 IV Portrait photography advice
Sony TX66 Portrait photography advice
76
focusing manually
decent megapixels (20MP)
nice sensor size (Four Thirds)
offers face detection focus
delivers RAW formats
41
you can focus manually
MP count good (18 megapixels)
offers face detection focus
no manual control
external flash not possible
very small sensor size (1/2.3")
doesn't have RAW format
Photography Glossary

Street Comparison

Olympus E-M10 IV Street photography details
Sony TX66 Street photography details
84
tilting screen
built in image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
delivers RAW formats
offers focus by touch
good ISO range (25,600)
64
built in image stabilization (Optical)
features touch to focus
screen is fixed
very small sensor size (1/2.3")
doesn't have RAW format
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Sports Comparison

Olympus E-M10 IV Sports photography advice
Sony TX66 Sports photography advice
72
silent shutter (1/16,000 seconds)
built in image stabilization (Sensor based 5-axis)
decent megapixels (20MP)
nice sensor size (Four Thirds)
offers tracking autofocus
does not have phase detect auto focus
49
built in image stabilization (Optical)
MP count good (18 megapixels)
offers tracking autofocus
better than average battery (250 shots)
no shutter priority mode
very small sensor size (1/2.3")
doesn't have phase detect auto focus
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Travel Comparison

Olympus E-M10 IV Travel photography highlights
Sony TX66 Travel photography highlights
84
has bluetooth
offers focus by touch
decent megapixels (20MP)
built-in flash
screen is selfie friendly
72
better than average battery (250 CIPA)
features touch to focus
MP count good (18MP)
has built in flash
decently wide (26mm)
missing Time Lapse recording
doesn't contain selfie friendly display
slow max aperture (f3.5)
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Landscape Comparison

Olympus E-M10 IV Landscape photography info
Sony TX66 Landscape photography info
82
focusing manually
change lenses (Micro Four Thirds mount)
nice screen size (3")
built in image stabilization (Sensor based 5-axis)
decent megapixels (20MP)
nice sensor size (Four Thirds)
good ISO range (25,600)
delivers RAW formats
51
you can focus manually
decently wide (26mm)
screen is a good size (3.3")
built in image stabilization (Optical)
MP count good (18 megapixels)
better than average battery (250 shots)
lens is fixed (fixed lens mount)
slow max aperture (f3.5)
no manual control
very small sensor size (1/2.3")
doesn't have RAW format
missing Time Lapse recording
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Vlogging Comparison

Olympus E-M10 IV Vlogging highlights
Sony TX66 Vlogging highlights
77
screen is selfie friendly
touch screen
built in image stabilization (Sensor based 5-axis)
offers face detection focus
video resolution high (3840 x 2160 pxls)
missing external microphone jack
36
decently wide (26mm)
touchscreen
built in image stabilization (Optical)
offers face detection focus
high video quality (1920 x 1080 resolution)
slow max aperture (f3.5)
doesn't contain selfie friendly display
missing external mic port
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Olympus E-M10 IV vs Sony TX66 Specifications

Detailed spec comparison table for Olympus E-M10 IV and Sony TX66
 Olympus OM-D E-M10 IVSony Cyber-shot DSC-TX66
General Information
Brand Name Olympus Sony
Model Olympus OM-D E-M10 IV Sony Cyber-shot DSC-TX66
Type Entry-Level Mirrorless Ultracompact
Released 2020-08-04 2012-02-28
Body design SLR-style mirrorless Ultracompact
Sensor Information
Chip TruePic VIII 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 aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3 and 16:9
Highest resolution 5184 x 3888 4896 x 3672
Highest native ISO 25600 12800
Minimum native ISO 200 80
RAW files
Minimum boosted ISO 100 -
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 121 -
Cross focus points - -
Lens
Lens mount Micro Four Thirds fixed lens
Lens focal range - 26-130mm (5.0x)
Maximum aperture - f/3.5-4.8
Macro focus distance - 1cm
Amount of lenses 107 -
Focal length multiplier 2.1 5.8
Screen
Range of display Tilting Fixed Type
Display size 3 inch 3.3 inch
Display resolution 1,040 thousand dot 1,230 thousand dot
Selfie friendly
Liveview
Touch display
Display technology - XtraFine TruBlack OLED display
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,360 thousand dot -
Viewfinder coverage 100% -
Viewfinder magnification 0.62x -
Features
Slowest shutter speed 60 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/4000 seconds
Maximum quiet shutter speed 1/16000 seconds -
Continuous shooting speed 8.7 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Custom WB
Image stabilization
Integrated flash
Flash range 7.20 m (at ISO 200) 3.10 m
Flash options Redeye, fill-in, off, redeye 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 1/250 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
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 1920 x 1080 (60 fps), 1440 x 1080 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 3840x2160 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 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 383 grams (0.84 pounds) 109 grams (0.24 pounds)
Dimensions 122 x 84 x 49mm (4.8" x 3.3" x 1.9") 93 x 54 x 13mm (3.7" x 2.1" x 0.5")
DXO scores
DXO All around 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 images 250 images
Form of battery Battery Pack Battery Pack
Battery model BLS-50 NP-BN
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec, Portrait 1/2)
Time lapse feature
Storage media SD/SDHC/SDXC (UHS-II supported) Memory Stick Duo/Pro Duo/Pro-HG Duo, microSD/microSDHC
Storage slots One One
Retail price $699 $350