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Olympus OM-D E-M1X ✕Sony α9 ✕
Olympus OM-D E-M1X
Olympus OM-D E-M1X
Sony α9
Sony α9
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Not priced in US yet

Not priced in US yet

Overview
TypeMirrorlessMirrorless
AnnouncedJan 2019 (best)Apr 2017
US launch priceUS list price when announced, body only. Today's prices are in the offers table.$2,999.99—
LensInterchangeableInterchangeable
Sensor & image
Sensor sizeMicro Four ThirdsFull frame (best)
Sensor typeLive MOSStacked CMOS
Resolution20.4 MP24.2 MP (best)
Native ISO200–25,600100–51,200 (best)
In-body stabilisationYes, 7.5 stops (best)Yes, 5 stops
Speed & autofocus
Burst (mechanical)15 fps (best)5 fps
Burst (electronic)60 fps (best)20 fps
Fastest shutter (mech.)1/8,000s1/8,000s
Fastest shutter (elec.)1/32,000s1/32,000s
AF pointsMakers count points differently, so this is not ranked.121693
Subject detectionMakers group subjects differently (Canon's "animal" includes birds), so only having it is ranked.Human, Bird, Vehicle, Aircraft, TrainHuman, Animal
Video
Max resolution4K4K
4K frame rate30p30p
10-bit internalNoNo
Internal raw videoNoNo
Mic inputYesYes
Headphone jackYesYes
Viewfinder & screen
ViewfinderElectronic, 2.36M dotsElectronic, 3.69M dots (best)
Rear screen3", 1.04M dots3", 1.44M dots (best)
Screen articulationFully articulatingTilting
TouchscreenYesYes
Body & battery
Weight (with battery)997 g673 g (best)
Dimensions (W×H×D)144.4 × 146.8 × 75.4 mm126.9 × 95.6 × 73.7 mm
Weather sealedYesYes
Battery (CIPA shots)870 (best)650
Card slots2 · SD UHS-II + SD UHS-II2 · SD UHS-II + SD UHS-I / Memory Stick Pro Duo
USB-CYes (best)No
Built-in flashNoNo
Wi-Fi / BluetoothWi-Fi + BluetoothWi-Fi + Bluetooth

Green marks the better figure where “better” is unambiguous. A dash means the maker doesn't publish it or we haven't verified it yet.

Size, to scale

Front (width × height)

Top (width × depth)

E-M1X: 144.4 × 146.8 × 75.4 mm, 997 gα9: 126.9 × 95.6 × 73.7 mm, 673 g