Olympus E-M1 II vs YI M1 Specifications

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4/3 226.2mm²
20.4 megapixels
ISO 200 - 25,600

Go in depth with our full Olympus E-M1 II Review.
How does it shoot? Olympus E-M1 II in the real world.
See real-world photos taken with the E-M1 II.
Compare Olympus E-M1 II image quality against competitors.
What’s the bottom line? Read our Olympus E-M1 II conclusion.

4/3 224.9mm²
20.2 megapixels
ISO 100 - 25,600

Go in depth with our full YI M1 Review.
How does it shoot? YI M1 in the real world.
See real-world photos taken with the M1.
What’s the bottom line? Read our YI M1 conclusion.

Detailed specifications
Olympus OM-D E-M1 II
YI M1

Links
Prices:	Compare Prices
Manufacturer URL:	Manufacturer website	Manufacturer website
Predecessor:	Olympus E-M1 E-M1 vs E-M1 II
Successor:	Olympus E-M1 Mark III E-M1 II vs E-M1 Mark III
General
Model Number:	E-M1 II	M1
Alternate Model Number(s):
Camera Format:	Compact System Camera	Compact System Camera
Currently Manufactured:	Yes	Yes
Retail Price:	$1999.99	$349.99
Street Price:	$899.00	$199.00
Date Available:	2016-12-31	2016-12-31
Tripod Mount:	Yes	Yes
Weight:	20.2 oz (574 g) includes batteries	9.9 oz (280 g) includes batteries
Size:	5.3 x 3.6 x 2.7 in. (134 x 91 x 69 mm)	4.5 x 2.5 x 1.3 in. (114 x 64 x 34 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	Live MOS	CMOS
Sensor Manufacturer:		Sony
Effective Megapixels:	20.4	20.2
Sensor Format:	4/3	4/3
Sensor size:	226.2mm² (17.40mm x 13.00mm)	224.9mm² (17.30mm x 13.00mm)
Approximate Pixel Pitch:	3.36 microns	3.34 microns
Focal Length Multiplier:	2.0x	2.0x
Aspect Ratio:	4:3	4:3
Color Filter Type:	RGBG	RGBG
Anti Aliasing Filter:	None
Self-Cleaning:	Yes	No
Sensor shift image stabilization:	Yes	No
On-Sensor Phase Detect:	Yes	No
DxO Sensor Score:	80
DxO Color Depth Score (bits):	23.7
DxO Dynamic Range Score (evs):	12.8
DxO Maximum Effective ISO Score (iso):	1,312
Image Capture
Image Resolution:	5184 x 3888 (20.2 MP, 4:3), 3712 x 2784 (10.3 MP, 4:3), 2624 x 1968 (5.2 MP, 4:3), 1824 x 1368 (2.5 MP, 4:3), 1024 x 768 (0.8 MP, 4:3)	5184 x 3888 (20.2 MP, 4:3)
Image File Format:	JPEG, 12-bit lossless compressed RAW (.ORF), RAW + JPEG	JPEG (EXIF 2.3), RAW (DNG)
Continuous-mode frames/second:	60.6	5.0
Video Capture
Can take movies:	Yes	Yes
Movie Resolution:	4096x2160 (24p) 3840x2160 (30p/25p/24p) 1920x1080 (60p/50p/30p/25p/24p) 1280x720 (60p/50p/30p/25p/24p) 4096x2160 (15p/12p/8p/6p/3p) 3840x2160 (25p/24p/15p/12p/8p/6p/3p) 1920x1080 (60p/50p/25p/24p/15p/12p/8p/6p/3p) 1280x720 (60p/50p/25p/24p/15p/12p/8p/6p/3p)	3840x2160 (30p) 2048x1536 (30p) 1920x1080 (60p/30p/24p) 1280x720 (60p/30p/24p) 640x480 (240p)
Movie File Format:	MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG)	Video: MPEG-4/H.264, Audio: AAC
Composite Video Out:	No	No
NTSC/PAL Switchable Video:	n/a	n/a
Video Usable as Viewfinder:	n/a	n/a
HD Video Out:	Yes	Yes
HD Video Connection:	HDMI	HDMI

Lens & Optics
Lens Mount:	Micro Four Thirds	Micro Four Thirds
Lens:	n/a	XIAOYI 12-40mm F3.5-5.6
Focal Length (35mm equivalent):		24 - 80mm
Focal Length (actual):		12 - 40mm
Zoom Ratio:		3.33x
Aperture Range:		f/3.5 (wide) / f/5.6 (tele) - f/22
Integrated ND Filter:		No
Normal Focus Range:		35 cm to Infinity 13.8 in to Infinity
Macro Focus Range:
Filter Thread:	n/a	49.0mm
Thread Type:	n/a	n/a
Optical Image Stabilization:	No	No
Digital Zoom:	Yes
Digital Zoom Values:	2x (3x in movie mode)
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	Advanced Dual FAST AF: Hybrid Phase-detect/Contrast-detect AF, 121 AF points, all cross-type; All target, group target (9-area or 5- area), single target	Contrast Detection: 81 points; AF: Single AF (S-AF), Continuous AF (C-AF), Touch Screen Focus & Shoot
Auto Focus Assist Light?	Yes	Yes
Manual Focus:	Yes	Yes
Viewfinder
Viewfinder:	EVF / LCD	No / LCD
Viewfinder Type:	EVF; High-speed (120fps) low latency (6ms) 2.36M-dot LCD, 1.30x - 1.48x magnification, 100% coverage, 21mm eyepoint, -4 to +2 diopter, eye sensor
Focus Peaking:	Yes	Yes
EVF Resolution:	2,360,000 dots	n/a
Viewfinder Magnification (35mm equivalent):	0.74x
Viewfinder Magnification (nominal/claimed):	1.48x
Display
Eye-level Viewfinder:	Yes	No
Rear Display:	Yes	Yes
Rear Display Size (inches):	3.0	3.0
Rear Display Resolution:	1,037,000 dots (345,667 px)	1,036,800 dots (345,600 px)
Touchscreen:	Yes	Yes
Articulating Screen:	Yes	No
Tilt Swivel Screen:	Yes	No
Selfie Screen:	Yes	No
Max Playback Zoom:	14.0x
Top Deck Display:	No	No

Exposure
Maximum ISO (native):	25600	25600
Minimum ISO (native):	200	100
ISO Settings:	AUTO ISO: LOW (approx. 64) - 6400 with customizable upper limit (200 - 6400); Manual ISO: Low (approx. 64) - 25600, 1/3 or 1 EV steps selectable	Auto, 100 - 25600
Auto ISO Mode:	Yes	Yes
White Balance Settings:	Auto, Lamp, Fluorescent, Daylight, Flash, Cloudy, Shade, Custom WB (Kelvin), One-touch WB (4); WB Tuning: +/-7 steps along A-B / G-M axis	Auto, Cloudy, Custom, Incandescent, Shade, Sunlight
Shutter Speed Range:	1/32000 - 60 sec	1/4000 - 60 sec
Bulb Mode:	Yes	Yes
Exposure Compensation:	+/- 5.0EV in 0.3EV steps	+/- 5.0EV in 0.3EV steps
Metering Modes:	Digital ESP metering (324-area multi pattern metering), Center weighted average metering, Spot metering, Spot metering with highlight control, Spot metering with shadow control	Evaluative, Center-weighted, Spot
Program Auto Exposure:	Yes	Yes
Aperture Priority:	Yes	Yes
Shutter Priority:	Yes	Yes
Full Manual Exposure:	Yes	Yes
Creative Exposure Modes:	3 Custom settings; Art Filter (Pop Art, Soft Focus, Pale & Light Color, Light Tone, Grainy Film, Pin Hole, Diorama, Cross Process, Gentle Sepia, Dramatic Tone, Key Line, Water Color, Vintage, Partial Color, Soft Focus Effect, Pin-Hole Effect, White Edge Effect, Frame Effect, Star Light Effect, Blur Effect, B&W Effect, Picture Tone, Shade Effect), Underwater Wide/Underwater Macro, HDR1/2, Live Bulb, Live Time, Live Composite, Focus Stacking	Panorama, Scene (Portrait, Landscape, Sport, Night Scene Portrait, Candle,Sunset, Fireworks, Beach & Snow), Super Professional guide, HDR
Self Timer:	2, 10, Custom seconds	2, 10 seconds
Time Lapse (intervalometer):	Yes	Yes
High Resolution Composite:	80.0 megapixels	No
Flash
Built-in Flash:	No	No
Flash Modes:	Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual 1/1 (FULL) - 1/64	Auto, On, Off
Flash Guide Number (ISO 100):	9.0 m / 29.5 ft.	n/a
Flash Range Description:	Bundled FL-LM3 flash has GN of 9m/ISO 100	n/a
Max Flash Sync:	1/250	1/125
Flash Exposure Compensation:	+/- 3.0 EV in 0.3EV steps
External Flash Connection:	Hot Shoe, PC Sync Terminal	Hot Shoe
Built-In Wireless Flash Control:	No
Image Storage
Usable Memory Types:	SD / SDHC / SDXC	SD / SDHC / SDXC
UHS Support:	UHS-II
Other Memory:	Slot 1: UHS-II, Slot 2: UHS-I
Dual Card Slots:	Yes	No
RAW Capture Support:	Yes	Yes
Uncompressed Format:	12-bit lossless compressed RAW (.ORF), RAW + JPEG	RAW (DNG)
Movie File Format:	MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG)	Video: MPEG-4/H.264, Audio: AAC
Included Memory:	No memory included	No memory included
Included Memory Type:
Connectivity
Built-In Wi-Fi:	Yes	Yes
NFC:	No	No
Bluetooth:	No	Yes
Built-In GPS:	No	No
Microphone Jack:	Yes	No
Headphone Jack:	Yes	No
External Connections:	USB 3.0 Super Speed,WiFi	USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant:	Yes	No
DPOF Compliant:	Yes	Yes
Remote Control:	Yes	Yes
Remote Control Type:	Optional wired or via Wi-Fi	Via Wi-Fi
Connections (extended):	Micro HDMI (Type-D), USB 3.0 Type C, 3.5mm external mic jack, 3.5mm external headphone jack, 2.5mm wired remote jack	Micro HDMI (Type-D), USB 2.0

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):	<0.3
Cycle time for RAW shooting in single shot mode (seconds per frame):
Buffer size for RAW shooting in single shot mode (frames):
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):	<0.3
Camera penalizes early shutter press?	No
JPEG shooting speed in burst mode (fps, max resolution):	60.6	5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):	51
RAW shooting speed in burst mode (fps):	60.6
Buffer size for RAW shooting in burst mode (frames):	51
RAW+JPEG shooting speed in burst mode (fps):	60.6
Buffer Size for RAW+JPEG shooting in burst mode (frames):	50
Shutter lag (full AF, wide/mid):	0.11 seconds
Shutter lag (full AF, tele):
Shutter lag (full AF, live view - DSLR):
Shutter lag (prefocused, live view - DSLR):
Shutter Lag (manual focus):	0.052 seconds
Shutter lag (full AF, with flash):	0.37 seconds
Shutter Lag (prefocused):	0.032 seconds
Shutter Lag (notes):
Startup Time:	0.8 seconds
Play -> Record Time:	0.6 seconds
Flash cycle time, full power:	6.9 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):	440 shots	380 shots
Battery Life, Still (CIPA Rating OVF/EVF):
Battery Life, Video:	90 minutes
Battery Form Factor:	Proprietary BLH-1	Proprietary
Usable Battery Types:	1720mAh Lithium-ion rechargeable	Lithium-ion rechargeable
Batteries Included:	1 x Proprietary BLH-1 Lithium-ion rechargeable	1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter):	Yes	Yes
Dedicated Battery Charger Included:	Yes	No
Internal Charging Supported:	No	Yes
Software
Included Software:	Olympus Viewer 3
OS Compatibility:
Miscellaneous
Notes & Features:		Available in Ice Silver and Storm Black.