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Sony A77 II vs YI M1

Portability
62
Imaging
66
Features
85
Overall
73
Sony SLT-A77 II front
 
YI M1 front
Portability
87
Imaging
60
Features
66
Overall
62

Sony A77 II vs YI M1 Key Specs

Sony A77 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 50 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 647g - 143 x 104 x 81mm
  • Announced May 2014
  • Superseded the Sony A77
YI M1
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 100 - 25600
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 350g - 114 x 64 x 34mm
  • Introduced September 2016
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Sony A77 II vs YI M1 Overview

In this write-up, we are contrasting the Sony A77 II versus YI M1, one being a Advanced DSLR and the other is a Entry-Level Mirrorless by manufacturers Sony and YI. The resolution of the A77 II (24MP) and the M1 (20MP) is very well matched but the A77 II (APS-C) and M1 (Four Thirds) feature different sensor sizes.

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The A77 II was manufactured 3 years earlier than the M1 and that is quite a serious gap as far as tech is concerned. Both of the cameras offer different body type with the Sony A77 II being a Mid-size SLR camera and the YI M1 being a Rangefinder-style mirrorless camera.

Before we go in to a thorough comparison, below is a simple highlight of how the A77 II grades vs the M1 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Sony A77 II over the YI M1

 A77 II M1 
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution1229k1040kClearer display (+189k dot)
Selfie screen Easy selfies

Reasons to pick YI M1 over the Sony A77 II

 M1 A77 II 
IntroducedSeptember 2016May 2014Fresher by 28 months
Touch friendly display Easily navigate

Common features in the Sony A77 II and YI M1

 A77 II M1 
Manually focus Very exact focusing
Display sizing3"3"Equivalent display dimensions

Sony A77 II vs YI M1 Physical Comparison

In case you're looking to carry your camera regularly, you will want to consider its weight and dimensions. The Sony A77 II enjoys external measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 647 grams (1.43 lbs) and the YI M1 has dimensions of 114mm x 64mm x 34mm (4.5" x 2.5" x 1.3") having a weight of 350 grams (0.77 lbs).

Examine the Sony A77 II versus YI M1 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilising during that time. Here is the front view size comparison of the A77 II against the M1.

Sony A77 II vs YI M1 size comparison

Taking into consideration size and weight, the portability rating of the A77 II and M1 is 62 and 87 respectively.

Sony A77 II vs YI M1 top view buttons comparison

Sony A77 II vs YI M1 Sensor Comparison

Often, it can be hard to visualize the contrast between sensor sizing only by looking at a spec sheet. The visual underneath may provide you a greater sense of the sensor sizing in the A77 II and M1.

As you can see, both cameras enjoy different megapixel count and different sensor sizing. The A77 II due to its larger sensor is going to make achieving shallower DOF easier and the Sony A77 II will resolve extra detail due to its extra 4 Megapixels. Greater resolution will make it easier to crop images far more aggressively. The older A77 II is going to be disadvantaged when it comes to sensor tech.

Sony A77 II vs YI M1 sensor size comparison

Sony A77 II vs YI M1 Screen and ViewFinder

Sony A77 II vs YI M1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A77 II Portrait photography details
YI M1 Portrait photography details
79
focusing manually
sensor resolution is decent (24 megapixels)
nice sensor size (APS-C)
includes face detect focus
supports RAW formats
76
has manual focus
resolution is good (20MP)
decent sensor size (Four Thirds)
includes face detection focusing
supports RAW files
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Street Comparison

Street photography with Sony A77 II
Street photography with YI M1
76
screen can move to multiple angles
has image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
environment sealing
great high ISO (25,600)
74
decent sensor size (Four Thirds)
supports RAW files
offers touch to focus
great ISO range (25,600)
no articulating screen
does not have image stabilization
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Sports Comparison

Sony A77 II Sports photography information
YI M1 Sports photography information
76
great max shutter speed (1/8,000s)
has image stabilization (Sensor based)
sensor resolution is decent (24MP)
nice sensor size (APS-C)
includes tracking focus
environment sealing
has phase detect auto focus
low battery pack (480 CIPA)
55
resolution is good (20 megapixels)
decent sensor size (Four Thirds)
great battery pack (450 per charge)
very slow continuous shooting (5.0 frames/s)
does not have image stabilization
does not have phase detect AF
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Travel Comparison

Sony A77 II Travel photography features
YI M1 Travel photography features
64
environment sealing
sensor resolution is decent (24MP)
built-in flash
display is selfie friendly
doesn't have Timelapse recording
low battery pack (480 per charge)
78
great battery pack (450 CIPA)
connects via bluetooth
offers touch to focus
resolution is good (20MP)
display isn't selfie friendly
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Landscape Comparison

Sony A77 II Landscape photography factors
YI M1 Landscape photography factors
73
focusing manually
change lenses (Sony/Minolta Alpha mount)
screen size is good (3")
has image stabilization (Sensor based)
sensor resolution is decent (24 megapixels)
nice sensor size (APS-C)
great high ISO (25,600)
supports RAW formats
environment sealing
low battery pack (480 CIPA)
doesn't have Timelapse recording
77
has manual focus
switch lenses (Micro Four Thirds mount)
screen size is good (3")
resolution is good (20MP)
decent sensor size (Four Thirds)
great ISO range (25,600)
supports RAW files
great battery pack (450 shots)
does not have image stabilization
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Vlogging Comparison

Vlogging with Sony A77 II
Vlogging with YI M1
78
display is selfie friendly
has image stabilization (Sensor based)
includes face detect focus
high res video (1920 x 1080 resolution)
has microphone support
33
touchscreen capability
includes face detection focusing
high res video (4096 x 2160 pixels)
display isn't selfie friendly
does not have image stabilization
no external microphone support
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Sony A77 II vs YI M1 Specifications

Detailed spec comparison table for Sony A77 II and YI M1
 Sony SLT-A77 IIYI M1
General Information
Manufacturer Sony YI
Model Sony SLT-A77 II YI M1
Type Advanced DSLR Entry-Level Mirrorless
Announced 2014-05-21 2016-09-19
Physical type Mid-size SLR Rangefinder-style mirrorless
Sensor Information
Chip Bionz X -
Sensor type CMOS CMOS
Sensor size APS-C Four Thirds
Sensor measurements 23.5 x 15.6mm 17.3 x 13mm
Sensor area 366.6mm² 224.9mm²
Sensor resolution 24 megapixels 20 megapixels
Anti aliasing filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 6000 x 4000 5184 x 3888
Maximum native ISO 25600 25600
Minimum native ISO 50 100
RAW format
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 79 81
Cross focus points 15 -
Lens
Lens mount Sony/Minolta Alpha Micro Four Thirds
Amount of lenses 143 107
Crop factor 1.5 2.1
Screen
Display type Fully Articulated Fixed Type
Display sizing 3 inch 3 inch
Display resolution 1,229 thousand dots 1,040 thousand dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,359 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.73x -
Features
Min shutter speed 30s 60s
Max shutter speed 1/8000s 1/4000s
Continuous shutter rate 12.0fps 5.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash range 12.00 m (at ISO 100) no built-in flash
Flash modes Auto, fill, rear sync, slow sync Auto, On, Off, Slow Sync, Red-Eye Slow
External flash
Auto exposure bracketing
WB bracketing
Max flash synchronize 1/250s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p) 4096 x 2160 @ 30p / 75 Mbps, MOV, H.264, AAC
Maximum video resolution 1920x1080 4096x2160
Video file format MPEG-4, AVCHD, XAVC S MPEG-4, H.264
Microphone support
Headphone support
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 647g (1.43 lb) 350g (0.77 lb)
Dimensions 143 x 104 x 81mm (5.6" x 4.1" x 3.2") 114 x 64 x 34mm (4.5" x 2.5" x 1.3")
DXO scores
DXO Overall score 82 not tested
DXO Color Depth score 24.4 not tested
DXO Dynamic range score 13.4 not tested
DXO Low light score 1013 not tested
Other
Battery life 480 photographs 450 photographs
Style of battery Battery Pack Battery Pack
Battery model NP-FM500H -
Self timer Yes (Yes (2 or 12 sec)) Yes (2 or 10 secs)
Time lapse feature
Type of storage SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo SD/SDHC/SDXC card
Card slots Single Single
Retail price $1,198 $320