Sony a7R III vs Olympus OM-D E-M1X Camera Specs Comparison

Which camera is for your? Here is a quick overview and spec comparison of the Sony a7R III and the Olympus OM-D E-M1X.

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Sony a7R III vs Olympus OM-D E-M1X Camera Specs Comparison
Sony a7R IIIOlympus E-M1X
AnnouncedOct 25, 2017Jan 24, 2019
* as of Jan 2019
$3,199 USD$2,999 USD
Body TypeSLR MirrorlessSLR Mirrorless
Sensor TypeFull Frame Exmor RS CMOS (35.9 x 24.0 mm)Four Thirds Live MOS (17.4 x 13.0 mm)
Image Size (Pixels)7,952 x 5,3045,184 x 3,888
Effective Pixels42.4 megapixels20.4 megapixels
Image Stabilization5-axis image stabilization5-axis image stabilization
Lens MountE-mountMicro Four Thirds
Focal Length Multiplierx 1.0x 2.0
ISO100 – 32,000200 – 25,600
File FormatJPEG
RAW (14-bit)
RAW (12-bit)
Number of Focus Points399121
Screen Type3″ TFT Tilt Screen3″ TFT Vari-Angle Monitor
Touch ScreenYesYes
Monitor Resolution (Dot)1,440,0001,037,000
Viewfinder TypeElectricElectric
Viewfinder Resolution (Dot)3,686,4002,360,000
Shutter Speed1/8,000 sec to 30 sec1/32,000 sec to 60 sec
Continuous Shooting10 fps60 fps
Silent ShutterYesYes
Built-in FlashNoNo
Video Resolution4K: 3,840 x 2,160 (24/30p 100M)
FHD: 1,920 x 1,080 (120p 100M)
C4K: 4,096 x 2,160 (24p 237M)
4K: 3,840 x 2,160 (24/25/30p 102M)
FHD: 1,920 x 1,80 (24/25/30p 202M)
Audio In (Microphone)YesYes
Audio Out (Headphone)YesYes
Media SlotDual SD/SDHC/SDXC CardsDual SD/SDHC/SDXC Cards
Battery TypeNP-FZ100BLH-1
Battery Life (Still Images)530 shots (viewfinder)
650 shots (LCD monitor)
870 shots
2,580 shots (Using quick mode)
Battery Life (Movies)100 min (viewfinder)
115 min (LCD monitor)
170 min
350 min (When zoom and other operational functions are not used)
USB ChargingYesYes
DimensionsW = 126.9 mm
H = 95.6 mm
D = 73.7 mm
W = 144.4 mm
H = 146.8 mm
D = 75.4 mm
Weight572 g (body only)
657 g (with battery &
memory card)
849 g (body only)
997 g (with 2 batteries & 2 memory cards)
Timelapse RecordingYes (with the future
firmware update)
Other FeaturesPixel Shift Multi shooting, Realtime Eye AF & Animal Eye AF (Future Update)IPX1 Weatherproof, Tripod High Res Shot, Handheld High Res Shot, Live ND
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