Canon EOS-1D X Mark III vs. Olympus OM-D E-M1X

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2 cameras compared
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Jan 7, 2020
Jan 24, 2019
 
$6499
$2999
 
Large SLR
SLR-style mirrorless
Magnesium alloy
Magnesium alloy
 
5472 x 3648
5184 x 3888
4368 x 2912, 3648 x 2432, 2736 x 1824
 
3:2
4:3
20 megapixels
20 megapixels
21 megapixels
22 megapixels
Full frame (36 x 24 mm)
Four Thirds (17.4 x 13 mm)
CMOS
CMOS
Digic X
Dual TruePic VIII
sRGB, Adobe RGB
sRGB, Adobe RGB
Primary color filter
Primary color filter
 
Auto, 100-102400 (expands to 50-819200)
Auto, 200-25600 (expands down to 64)
50
64
819200
 
7
7
Yes (5 slots)
Yes (4 slots)
No
Sensor-shift
 
7.5 stops with 12-100mm lens at 100mm. Otherwise 7 stops
 
7.5 stop(s)
RAW
RAW
 
Super fine, fine, normal
  • JPEG (Exif v2.31)
  • HEIF (10-bit)
  • Raw / C-Raw (CR3)
  • JPEG (Exif v2.31)
  • Raw (12-bit ORF)
 
  • Contrast Detect (sensor)
  • Phase Detect
  • Multi-area
  • Center
  • Selective single-point
  • Tracking
  • Single
  • Continuous
  • Touch
  • Face Detection
  • Live View
  • Contrast Detect (sensor)
  • Phase Detect
  • Multi-area
  • Center
  • Selective single-point
  • Tracking
  • Single
  • Continuous
  • Touch
  • Face Detection
  • Live View
 
Yes
Yes
Yes
191
121
155
 
Canon EF
Micro Four Thirds
1×
2×
 
Fixed
Fully articulated
3.2
3
2,100,000
1,037,000
Yes
Yes
TFT LCD
TFT LCD
Yes
Yes
Optical (pentaprism)
Electronic
100%
100%
0.76×
1.65× (0.82× 35mm equiv.)
 
2,360,000
 
30 sec
60 sec
1/8000 sec
1/8000 sec
 
1/32000 sec
Yes
Yes
Yes
Yes
Yes
Yes
No
 
  • Program
  • Aperture priority
  • Shutter priority
  • Manual
  • Program
  • Aperture priority
  • Shutter priority
  • Manual
No
No
Yes
Yes (via hot shoe or flash sync port)
 
Redeye, Fill-in, Flash Off, Red-eye Slow sync (1st curtain), Slow sync.(1st curtain), Slow sync (2nd curtain), manual
1/250 sec
1/250 sec
  • Single
  • High-speed
  • Continuous
  • Low-speed
  • Silent single
  • Silent high-speed continuous
  • Silent low-speed continuous
  • Single
  • Continuous
  • Bracketing
  • Self-timer
20.0 fps
60.0 fps
Yes
Yes (2 or 12 secs, custom)
  • Multi
  • Center-weighted
  • Spot
  • Spot AF-area
  • Partial
  • Multi
  • Center-weighted
  • Highlight-weighted
  • Spot
  • Spot AF-area
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV, 1 EV steps)
 
±5 (5, 7 frames at 1/3 EV, 1 EV steps)
Yes
Yes
 
MPEG-4, H.264, H.265
MPEG-4, H.264
 
  • 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 30p / 202 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 25p / 202 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 23.98p / 202 Mbps, MOV, H.264, Linear PCM
Mono
Stereo
Mono
Mono
 
Dual CFexpress type B
Dual SD/SDHC/SDXC cards (UHS-II supported)
 
USB 3.1 Gen 1 (5 GBit/sec)
USB 3.1 Gen 1 (5 GBit/sec)
 
Yes (USB-PD allows charging by laptop or external power bank)
Yes (HDMI mini)
Yes (micro-HDMI)
Yes
Yes
Yes
Yes
Built-In
Built-In
 
802.11ac + Bluetooth
Yes (Wired, wireless, smartphone)
Yes (via smartphone or wired remote)
 
Yes
Yes (to IPX1 standards)
Built-in
Built-in
LP-E19 lithium-ion battery & dual charger
Two BLH-1 lithium-ion batteries
2850
870
1440 g (3.17 lb / 50.79 oz)
997 g (2.20 lb / 35.17 oz)
158 x 168 x 83 mm (6.22 x 6.61 x 3.27)
144 x 147 x 75 mm (5.67 x 5.79 x 2.95)
 
Yes
Yes
Yes
Yes
Built-in
Built-in
 
Also captures direction, temperature, pressure and acceleration