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Olympus TG-870 vs YI M1

Portability
91
Imaging
41
Features
46
Overall
43
Olympus Stylus Tough TG-870 front
 
YI M1 front
Portability
87
Imaging
59
Features
66
Overall
61

Olympus TG-870 vs YI M1 Key Specs

Olympus TG-870
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Tilting Screen
  • ISO 125 - 6400 (Expand to 12800)
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 21-105mm (F3.5-5.7) lens
  • 221g - 113 x 64 x 28mm
  • Announced January 2016
  • Succeeded the Olympus TG-860
YI M1
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fixed Screen
  • ISO 100 - 25600
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 350g - 114 x 64 x 34mm
  • Announced September 2016
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Olympus TG-870 vs YI M1 Overview

Let's look much closer at the Olympus TG-870 vs YI M1, former being a Ultracompact while the latter is a Entry-Level Mirrorless by rivals Olympus and YI. The resolution of the TG-870 (16MP) and the M1 (20MP) is pretty comparable but the TG-870 (1/2.3") and M1 (Four Thirds) offer totally different sensor dimensions.

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The TG-870 was revealed 8 months prior to the M1 which means that they are both of a similar age. Each of the cameras have different body design with the Olympus TG-870 being a Ultracompact camera and the YI M1 being a Rangefinder-style mirrorless camera.

Before we go straight to a more detailed comparison, here is a short summation of how the TG-870 scores against the M1 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-870 over the YI M1

 TG-870 M1 
Screen typeTiltingFixed Tilting screen

Reasons to pick YI M1 over the Olympus TG-870

 M1 TG-870 
AnnouncedSeptember 2016January 2016Fresher by 8 months
Focus manually Dial accurate focus
Screen resolution1040k921kCrisper screen (+119k dot)
Touch friendly screen Quickly navigate

Common features in the Olympus TG-870 and YI M1

 TG-870 M1 
Screen dimensions3"3"Equal screen sizing
Selfie screen Lacking selfie screen

Olympus TG-870 vs YI M1 Physical Comparison

For anybody who is aiming to carry your camera, you'll have to think about its weight and dimensions. The Olympus TG-870 enjoys outer measurements of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") accompanied by a weight of 221 grams (0.49 lbs) and the YI M1 has dimensions of 114mm x 64mm x 34mm (4.5" x 2.5" x 1.3") accompanied by a weight of 350 grams (0.77 lbs).

Compare the Olympus TG-870 vs YI M1 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change depending on the lens you choose at that time. Following is a front view dimensions comparison of the TG-870 vs the M1.

Olympus TG-870 vs YI M1 size comparison

Taking into consideration size and weight, the portability rating of the TG-870 and M1 is 91 and 87 respectively.

Olympus TG-870 vs YI M1 top view buttons comparison

Olympus TG-870 vs YI M1 Sensor Comparison

Generally, it is hard to visualise the difference in sensor sizing simply by going through a spec sheet. The graphic here will offer you a greater sense of the sensor measurements in the TG-870 and M1.

As you can see, each of these cameras have different resolutions and different sensor sizing. The TG-870 having a smaller sensor will make shooting shallower DOF harder and the YI M1 will produce greater detail because of its extra 4 Megapixels. Higher resolution can also make it easier to crop photographs a bit more aggressively. The older TG-870 will be behind when it comes to sensor technology.

Olympus TG-870 vs YI M1 sensor size comparison

Olympus TG-870 vs YI M1 Screen and ViewFinder

Olympus TG-870 vs YI M1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-870 as a Portrait photography camera
YI M1 as a Portrait photography camera
36
resolution is good (16MP)
includes face detection autofocus
focusing manually not possible
lack of manual mode
external flash not possible
sensor is small (1/2.3")
doesn't have RAW support
75
you can focus manually
decent MP (20MP)
sensor size is nice (Four Thirds)
includes face detect focusing
saves RAW formats
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Street Comparison

Olympus TG-870 Street photography info
YI M1 Street photography info
65
tilting screen
image stabilization (Optical)
environment proof
sensor is small (1/2.3")
doesn't have RAW support
more heavy than competitors (221 grams)
73
sensor size is nice (Four Thirds)
saves RAW formats
offers touch focus
above average high ISO (25,600)
screen does not articulate
lack of image stabilization
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Sports Comparison

Olympus TG-870 Sports photography advice
YI M1 Sports photography advice
51
image stabilization (Optical)
resolution is good (16MP)
includes tracking autofocus
environment proof
great battery life (300 CIPA)
no shutter priority
sensor is small (1/2.3")
doesn't have phase detect autofocus
54
decent MP (20 megapixels)
sensor size is nice (Four Thirds)
better than average battery (450 per charge)
painfully slow continuous shooting (5.0 fps)
lack of image stabilization
lack of phase detect AF
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Travel Comparison

Travel photography with Olympus TG-870
Travel photography with YI M1
69
great battery life (300 per charge)
environment proof
resolution is good (16 megapixels)
flash built-in
decently wide (21mm)
more heavy than competitors (221 grams)
display is not selfie friendly
somewhat slow max aperture (f3.5)
78
better than average battery (450 CIPA)
has bluetooth
offers touch focus
decent MP (20MP)
doesn't posses selfie friendly screen
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Landscape Comparison

Landscape photography with Olympus TG-870
Landscape photography with YI M1
50
decently wide (21mm)
screen is a good size (3 inch)
image stabilization (Optical)
resolution is good (16 megapixels)
environment proof
great battery life (300 shots)
focusing manually not possible
can't swap lens (fixed lens mount)
somewhat slow max aperture (f3.5)
lack of manual mode
sensor is small (1/2.3")
doesn't have RAW support
76
you can focus manually
swap lenses (Micro Four Thirds mount)
screen is a decent size (3")
decent MP (20MP)
sensor size is nice (Four Thirds)
above average high ISO (25,600)
saves RAW formats
better than average battery (450 shots)
lack of image stabilization
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Vlogging Comparison

Olympus TG-870 Vlogging highlights
YI M1 Vlogging highlights
32
decently wide (21mm)
image stabilization (Optical)
includes face detection autofocus
video resolution high (1920 x 1080 pixels)
somewhat slow max aperture (f3.5)
display is not selfie friendly
no external microphone socket
more heavy than competitors (221g)
33
touch screen
includes face detect focusing
video resolution high (4096 x 2160 pixels)
doesn't posses selfie friendly screen
lack of image stabilization
does not have microphone socket
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Olympus TG-870 vs YI M1 Specifications

Detailed spec comparison table for Olympus TG-870 and YI M1
 Olympus Stylus Tough TG-870YI M1
General Information
Brand Olympus YI
Model type Olympus Stylus Tough TG-870 YI M1
Class Ultracompact Entry-Level Mirrorless
Announced 2016-01-06 2016-09-19
Physical type Ultracompact Rangefinder-style mirrorless
Sensor Information
Processor Chip TruePic VII -
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" Four Thirds
Sensor measurements 6.17 x 4.55mm 17.3 x 13mm
Sensor surface area 28.1mm² 224.9mm²
Sensor resolution 16 megapixels 20 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Full resolution 4608 x 3456 5184 x 3888
Max native ISO 6400 25600
Max boosted ISO 12800 -
Minimum native ISO 125 100
RAW data
Autofocusing
Manual focusing
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points - 81
Lens
Lens mount type fixed lens Micro Four Thirds
Lens zoom range 21-105mm (5.0x) -
Largest aperture f/3.5-5.7 -
Macro focusing range 1cm -
Total lenses - 107
Focal length multiplier 5.8 2.1
Screen
Type of screen Tilting Fixed Type
Screen sizing 3 inches 3 inches
Resolution of screen 921 thousand dots 1,040 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None None
Features
Slowest shutter speed 4 secs 60 secs
Maximum shutter speed 1/2000 secs 1/4000 secs
Continuous shooting rate 7.0 frames per sec 5.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Custom WB
Image stabilization
Built-in flash
Flash distance 4.00 m (at ISO 1600) no built-in flash
Flash options Auto, redeye reduction, fill flash, off, LED illuminator Auto, On, Off, Slow Sync, Red-Eye Slow
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60p), 1280 x 720 (60p), 640 x 480 (60p) 4096 x 2160 @ 30p / 75 Mbps, MOV, H.264, AAC
Max video resolution 1920x1080 4096x2160
Video data format MPEG-4, H.264 MPEG-4, H.264
Microphone 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 BuiltIn None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 221 gr (0.49 lbs) 350 gr (0.77 lbs)
Physical dimensions 113 x 64 x 28mm (4.4" x 2.5" x 1.1") 114 x 64 x 34mm (4.5" x 2.5" x 1.3")
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 300 photographs 450 photographs
Battery type Battery Pack Battery Pack
Battery ID Li-50B -
Self timer Yes (2 or 10 sec, custom) Yes (2 or 10 secs)
Time lapse feature
Storage type SD/SDHC/SDXC, Internal SD/SDHC/SDXC card
Card slots Single Single
Price at launch $280 $320