Comparison of the Canon EOS-1D X and the Sony Alpha a99 II
Canon EOS-1D X
						75 points
					Sony Alpha a99 II
						89 points
					
					Canon EOS-1D X				
				
				
						
						164 mm
							
							
						158 mm
					
				BODY
			
					Sony Alpha a99 II				
				
						104 mm
							
							
						143 mm
					
				2011
			YEARYear of announcement
			2016
		Magnesium alloy
			BODY MATERIAL
			Magnesium alloy
		Weather
sealed
			sealed
WEATHER SEALING
			sealed
Canon EF
			LENS MOUNT
			Sony A
		400 000 cycles
SHUTTER LIFEThe shutter durability as rated by the manufacturer.
			300 000 cycles
1551 g
3.42 lb
3.42 lb
158 x 164 x 83 mm
6.2 x 6.5 x 3.3 in.
			6.2 x 6.5 x 3.3 in.
DIMENSIONS
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
				& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
DIMENS.
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
			& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
143 x 104 x 76 mm
5.6 x 4.1 x 3 in.
				5.6 x 4.1 x 3 in.
849 g
1.87 lb
1.87 lb
Canon EOS-1D X
			Sony Alpha a99 II
			18.1 MP
Canon X030334 CMOS Full Frame Sensor
SENSOR The number of effective megapixels (MP). Sensor manufacturer (if known) and sensor type.
				SENSOR Sensor manufacturer (if known) and sensor type.
			42.4 MP
Sony IMX251 Exmor R CMOS Full Frame Sensor
18.1 MP
				EFFECTIVE MEGAPIX The number of effective megapixels (MP).
				42.4 MP
			36.0 x 24.0 mm
			SENSOR SIZE
			35.9 x 24.0 mm
		5184 x 3456 pixels
			MAX. RESOLUTIONMaximum still image resolution
				MAX. RESOLUT.Maximum still image resolution
			7952 x 5304 pixels
		1x
			CROP FACTORA 50mm lens on a camera with a crop factor of 1.5x would behave like a 75mm lens on a full-frame camera with a crop factor of 1x (50mm x 1.5 = 75mm)
			1x
		Bayer array
			COLOR FILTER
			Bayer array
		PIXEL PITCHThe center-to-center distance between two pixels (photosites) on a sensor. The larger the photosites, the more light they can capture and the lower is the level of visible "noise" in captured images.
							
				4.5 μm
				
			
		Fixed
			LOW-PASS FILTERA low-pass filter blurs fine details of an image to eliminate the moiré and the color artifacts of finely patterned structures. Without a low-pass filter images will appear sharper, but there is also a risk of moiré occurring in certain scenes.
			None
		3:2
			NATIVE
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
				ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
			3:2
		Canon EOS-1D X
			DXOMARK
			SENSOR
 SCOREAnalysis of the camera image quality by dxomark.comSony Alpha a99 II
			82
OVERALL SCOREDXOMARK Sensor Overall Score shows a camera's sensor quality in terms of noise, ability to render high contrast, formation of colored noise, ability to shoot in low light.
			92
11.8
DYNAMIC RANGEThe maximum dynamic range performance (DXOMARK Landscape Score) in exposure value (EV)
			13.4
2786
LOW-LIGHT ISOThe low-light sensitivity performance (DXOMARK Sports Score) in ISO sensitivity value
			2317
Canon EOS-1D X
			Sony Alpha a99 II
			COVERAGE:
100 %
						100 %
REAL SIZE:
0.76
					0.76
VIEWFINDERThe viewfinder frame COVERAGE in percent and the real viewfinder SIZE (VF magnification corrected by the crop factor of a camera — this way cameras with different sensor sizes can be compared).
			COVERAGE:
100 %
						100 %
REAL SIZE:
0.78
					0.78
Optical (pentaprism)
VF TYPE
			Electronic (2 359 296 dot OLED)
Fixed
1 036 800 dot LCD
			1 036 800 dot LCD
REAR SCREEN
			Articulated 
1 228 800 dot LCD
		1 228 800 dot LCD
3.2 inch
			SCREEN SIZE
			3 inch
		LIVE VIEW & TOUCH SCREEN
			
TOP LCD PANELLCD panel on top of the camera which provides information about the current camera settings.
			
Canon EOS-1D X
			Sony Alpha a99 II
			Phase detection, Contrast detection in Live View mode
			AUTOFOCUS SYSTEM
AF SYSTEM
Phase detection
		61
				61
				FOCUS POINTSAutofocus points
as shown in the figures below:
° linear sensors
° cross-type sensors
° dual cross-type sensors
contrast autofocus areas
			as shown in the figures below:
° linear sensors
° cross-type sensors
° dual cross-type sensors
contrast autofocus areas
399
				399
41
			CROSS-TYPE FOCUS POINTS
CROSS-TYPE FP
79
		
-2
EV
			100
The minimum exposure value of the AF working range (at 23°C and ISO 100). The smaller this value, the less light is needed for normal autofocus operation.-4

17 %
			AF COVERAGEFrame coverage by AF sensors in percent.
				
			50 %
		None
			IN-BODY
AF MOTORAn in-body AF motor gives the ability to auto-focus with older lenses which don't have their own motors.
			AF MOTORAn in-body AF motor gives the ability to auto-focus with older lenses which don't have their own motors.
Yes
		No
			IN-BODY IMAGE STABILIZATION
IMAGE STABILIZ.
5-axis sensor shift
		Canon EOS-1D X
			Sony Alpha a99 II
			Dual DIGIC 5+
			IMAGE
PROCESSOR
			PROCESSOR
BIONZ X CXD4236
		14 bit RAW, JPEG
			OUTPUT FORMATS
			14 bit RAW, JPEG
		100 - 51200
(can be extended to ISO 50, 102400, 204800)
			(can be extended to ISO 50, 102400, 204800)
ISO SENSITIVITY
			Auto, 100 - 25600
(can be extended to ISO 50 - 102400)
		(can be extended to ISO 50 - 102400)
14
fps
fps
CONTINUOUS DRIVEMaximum frames per second (fps) in continuous drive mode when using the mechanical shutter.
				CONT. DRIVEMaximum frames per second (fps) in continuous drive mode when using the mechanical shutter.
			12
fps
fps
				180 JPEG shots
38 @ 12 fps RAW shots
			38 @ 12 fps RAW shots
MAX. BURSTMaximum number of shots in high-speed continuous drive mode until the buffer is full.
			
				60 JPEG shots
25 RAW shots
			25 RAW shots
1080p @ 30 fps (Full HD)
			MAX. VIDEO RESOLUTION
VIDEO
2160p @ 30 fps (4K)
		-5/+5 EV  (in 1/3 or 1/2 EV steps)
EXPOSURE COMPENSATION
EXPOSURE COMPENS.
-5/+5 EV  (in 1/3 or 1/2 EV steps)
Bulb,
30 sec → 1/8000 sec
30 sec → 1/8000 sec
SHUTTER SPEED Maximum and minimum possible exposure time in seconds.
			Bulb, 
30 sec → 1/8000 sec
30 sec → 1/8000 sec
Canon EOS-1D X
			Sony Alpha a99 II
			X-SYNC:
1/250
No
built-in
flash
built-in
flash
No
flash
BUILT-IN FLASH
			No
built-in
flash
built-in
flash
No
flash
X-SYNC:
1/250
Yes
			HOT SHOE
			Yes
		USB 2.0 (480 Mbit/sec)
			USB
			USB 2.0 (480 Mbit/sec)
		Microphone port, HDMI
CONNECTIONS
CONNECT.
Microphone port, Headphone port, HDMI
BUILT-IN
DEVICES
			DEVICES
Compact Flash (Type I or II), UDMA compatible
			STORAGE TYPES
			SD, SDHC, SDXC (UHS-I compatible), Sony Memory Sticks
		2
			CARD SLOTS
			2
		
		1500
shots
shots
BATTERY LIFEMaximum number of images that can be shot per single battery charge (according to CIPA).
			390
shots
shots