Canon 1D Mark III vs Canon T8i Specifications

APS-H 525.5mm²
10.1 megapixels
ISO 100 - 3200

Go in depth with our full Canon 1D Mark III Review.
See real-world photos taken with the 1D Mark III.

APS-C 332.3mm²
24.1 megapixels
ISO 100 - 25,600

Go in depth with our full Canon T8i Review.

Detailed specifications
Canon EOS-1D Mark III
Canon EOS Rebel T8i (EOS 850D)

Links
Prices:		Compare Prices
Manufacturer URL:	Manufacturer website	Manufacturer website
Predecessor:	Canon 1D Mark II 1D Mark II vs 1D Mark III	Canon T7i T7i vs T8i
Successor:	Canon 1D Mark IV 1D Mark III vs 1D Mark IV
General
Model Number:	1D Mark III	T8i
Alternate Model Number(s):		850D, Kiss X10i
Camera Format:	Pro SLR	SLR
Currently Manufactured:	No	Yes
Retail Price:	$4499.95	$749.99
Street Price:		$749.00
Date Available:	2007-04-30	TBD
Tripod Mount:	Yes	Yes
Weight:	40.7 oz (1,155 g)	18.2 oz (515 g) includes batteries
Size:	6.1 x 6.2 x 3.1 in. (156 x 157 x 80 mm)	5.2 x 4.0 x 3.0 in. (131 x 103 x 76 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	CMOS	CMOS
Sensor Manufacturer:	Canon CMOS	Canon
Effective Megapixels:	10.1	24.1
Sensor Format:	APS-H	APS-C
Sensor size:	525.47mm² (28.10mm x 18.70mm)	332.27mm² (22.30mm x 14.90mm)
Approximate Pixel Pitch:	7.23 microns	3.72 microns
Focal Length Multiplier:	1.3x	1.6x
Aspect Ratio:	3:2	3:2
Color Filter Type:	RGBG	RGBG
Anti Aliasing Filter:	Fixed	Fixed
Self-Cleaning:	No	Yes
Sensor shift image stabilization:	No	No
On-Sensor Phase Detect:	No	Yes
DxO Sensor Score:	71
DxO Color Depth Score (bits):	22.7
DxO Dynamic Range Score (evs):	11.7
DxO Maximum Effective ISO Score (iso):	1,078
Image Capture
Image Resolution:	3888 x 2592 (10.1 MP, 3:2), 3456 x 2304 (8.0 MP, 3:2), 2816 x 1880 (5.3 MP, 3:2), 1936 x 1288 (2.5 MP, 3:2)	6000 x 4000 (24.0 MP, 3:2), 3984 x 2656 (10.6 MP, 3:2), 2976 x 1984 (5.9 MP, 3:2), 2400 x 1600 (3.8 MP, 3:2), 6000 x 3368 (20.2 MP, 16:9), 3984 x 2240 (8.9 MP, 16:9), 2976 x 1680 (5.0 MP, Other), 2400 x 1344 (3.2 MP, Other), 5328 x 4000 (21.3 MP, 4:3), 3552 x 2664 (9.5 MP, 4:3), 2656 x 1992 (5.3 MP, 4:3), 2112 x 1600 (3.4 MP, Other), 4000 x 4000 (16.0 MP, 1:1), 2656 x 2656 (7.1 MP, 1:1), 1984 x 1984 (3.9 MP, 1:1), 1600 x 1600 (2.6 MP, 1:1)
Image File Format:	JPEG (EXIF 2.2), RAW	C-RAW, JPEG, .CR3 RAW (14-bit)
Continuous-mode frames/second:	9.9	n/a
Video Capture
Can take movies:	No	Yes
Movie Resolution:		3840x2160 (24p) 1920x1080 (60p/50p/30p/25p/24p) 1280x720 (60p/50p/30p/25p)
Movie File Format:		MPEG-4 AVC/H.264 video with AAC stereo audio in MP4 container
Composite Video Out:	Yes	Yes
NTSC/PAL Switchable Video:	Yes	Yes
Video Usable as Viewfinder:
HD Video Out:		Yes
HD Video Connection:		HDMI

Lens & Optics
Lens Mount:	Canon EF	Canon EF/EF-S
Lens:	Canon EF lenses (except EF-S)	Canon EF-S 18-55mm f/4-5.6 IS STM
Focal Length (35mm equivalent):		29 - 88mm
Focal Length (actual):		18 - 55mm
Zoom Ratio:		3.06x
Aperture Range:		f/4 - 22 (wide) / f/5.6 - 38 (tele)
Integrated ND Filter:	No	No
Normal Focus Range:		25 cm to Infinity 9.8 in to Infinity
Macro Focus Range:
Filter Thread:	n/a	58.0mm
Thread Type:	n/a	n/a
Optical Image Stabilization:	No	Yes
Digital Zoom:
Digital Zoom Values:
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	19-point cross type (plus 26 Assist AF points)	OVF: AF-dedicated CMOS sensor, 45-points, up to 45 cross-type (f/5.6), 1 dual-cross (f/2.8 and f/5.6), 27 support f/8 (9 cross-type); Live View: Dual-Pixel CMOS AF
Auto Focus Assist Light?	No	Yes
Manual Focus:	Yes	Yes
Viewfinder
Viewfinder:	Optical / LCD	Optical / LCD
Viewfinder Type:	SLR type; eye-level pentamirror, 100%, 0.76x, 20mm eyepoint, -3.0 to +1.0 diopter	SLR type; fixed eye-level pentamirror, ~95% coverage, ~0.82x mag., 19mm eyepoint, -3 to +1 diopter
Focus Peaking:	No	Yes
EVF Resolution:	n/a	n/a
Viewfinder Magnification (35mm equivalent):	0.58x
Viewfinder Magnification (nominal/claimed):	0.76x
Display
Eye-level Viewfinder:	Yes	Yes
Rear Display:	Yes	Yes
Rear Display Size (inches):	3.0	3.0
Rear Display Resolution:	230,000 dots	1,040,000 dots (345,600 px)
Touchscreen:	No	Yes
Articulating Screen:	No	Yes
Tilt Swivel Screen:	No	Yes
Selfie Screen:	No	Yes
Max Playback Zoom:	10.0x	10.0x
Top Deck Display:	Yes	No

Exposure
Maximum ISO (native):	3200	25600
Minimum ISO (native):	100	100
ISO Settings:	100, 200, 400, 800, 1600, 3200; 50 and 6400 via custom function	Auto, 100 - 25600 in 1/3EV steps, Expandable to 51200
Auto ISO Mode:	No	Yes
White Balance Settings:	Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom, User Set Color Temperature, PC-1 to PC-5	Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom WB, Color Temperature K (Manually adjustable between 2000 - 10000K)
Shutter Speed Range:	1/8000 - 30 sec	1/4000 - 30 sec
Bulb Mode:	Yes	Yes
Exposure Compensation:	+/- 3.0EV in 0.3EV steps	+/- 5.0EV in 0.3EV steps
Metering Modes:	63-zone evaluative, 13.5% partial, 3.8% spot, multi-spot, center-weighted average	220,000-pixel RGB+IR metering sensor; 216-zone (18 x 12) metering optical viewfinder; Evaluative (linked to all AF points), Center-weighted, Partial (center, approx. 6.5% of viewfinder), Spot (center, approx. 2.0% of viewfinder)
Program Auto Exposure:	Yes	Yes
Aperture Priority:	Yes	Yes
Shutter Priority:	Yes	Yes
Full Manual Exposure:	Yes	Yes
Creative Exposure Modes:		Scene Intelligent Auto, Flash Off, Creative Auto, Portrait, Landscape, Close-up, Sports, Special Scene (Group Photo, Kids, Food, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control), Creative Filters (Grainy B/W, Soft Focus, Fish-eye, Water Painting, Toy Camera, Miniature, HDR Art (Standard/Vivid/Bold/Embossed)
Self Timer:	2 or 10 seconds	10, 2, Remote, 10s Continuous (2-10) seconds
Time Lapse (intervalometer):		Yes
High Resolution Composite:	No	No
Flash
Built-in Flash:	No	Yes
Flash Modes:	E-TTL II	E-TTL II Auto, Manual, Red-Eye Reduction
Flash Guide Number (ISO 100):	n/a	12.0 m / 39.4 ft.
Flash Range Description:	n/a	Guide Number is 12m/39.4 ft at ISO 100; Range is lens aperture dependent
Max Flash Sync:	1/300	1/200
Flash Exposure Compensation:		+/- 2.0 EV in 0.3EV steps
External Flash Connection:	Hot Shoe, Sync Terminal	Hot Shoe
Built-In Wireless Flash Control:		Full TTL exposure
Image Storage
Usable Memory Types:	CF1 / CF2 / SD / SDHC	SD / SDHC / SDXC
UHS Support:		UHS-I
Other Memory:
Dual Card Slots:	Yes	No
RAW Capture Support:	Yes	Yes
Uncompressed Format:	RAW	.CR3 RAW (14-bit)
Movie File Format:		MPEG-4 AVC/H.264 video with AAC stereo audio in MP4 container
Included Memory:	No memory included	No memory included
Included Memory Type:
Connectivity
Built-In Wi-Fi:	No	Yes
NFC:	No	No
Bluetooth:	No	Yes
Built-In GPS:	No	No
Microphone Jack:	No	Yes
Headphone Jack:	No	No
External Connections:	USB 2.0 High Speed	USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant:	Yes	Yes
DPOF Compliant:	Yes	Yes
Remote Control:	Yes	Yes
Remote Control Type:	N3 type terminal	Optional wired, IR wireless, Bluetooth or Wi-Fi
Connections (extended):	Remote Control, PC Terminal, Accessory Terminal	Mini (Type-C) HDMI, USB Micro-B (USB 2.0), External 3.5mm Stereo Mic Jack

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):	0.40
Cycle time for RAW shooting in single shot mode (seconds per frame):	0.39
Buffer size for RAW shooting in single shot mode (frames):	Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):
Camera penalizes early shutter press?	No
JPEG shooting speed in burst mode (fps, max resolution):	9.9
Buffer size for JPEG shooting in burst mode (frames, max resolution):	12
RAW shooting speed in burst mode (fps):
Buffer size for RAW shooting in burst mode (frames):
RAW+JPEG shooting speed in burst mode (fps):
Buffer Size for RAW+JPEG shooting in burst mode (frames):
Shutter lag (full AF, wide/mid):	0.09 seconds
Shutter lag (full AF, tele):
Shutter lag (full AF, live view - DSLR):
Shutter lag (prefocused, live view - DSLR):
Shutter Lag (manual focus):	0.066 seconds
Shutter lag (full AF, with flash):
Shutter Lag (prefocused):	0.057 seconds
Shutter Lag (notes):	Prefocused, Live View mode = 0.119s
Startup Time:	0.1 seconds
Play -> Record Time:	0.3 seconds
Flash cycle time, full power:
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):
Battery Life, Still (CIPA Rating OVF/EVF):	2200 shots
Battery Life, Video:
Battery Form Factor:	Proprietary LP-E4	Proprietary LP-E17
Usable Battery Types:	Lithium Ion rechargeable	Lithium-ion rechargeble
Batteries Included:	1 x Proprietary LP-E4 Lithium Ion rechargeable	1 x Proprietary LP-E17 Lithium-ion rechargeble
Battery Charger Included (dedicated charger or AC/USB adapter):	Yes	Yes
Dedicated Battery Charger Included:	Yes	Yes
Internal Charging Supported:	No	No
Software
Included Software:	Digital Photo Professional 3.0 and EOS Utility 2.0
OS Compatibility:	Windows, Mac OS
Miscellaneous
Notes & Features:	Entirely new 10.1 Megapixel Canon CMOS Sensor (APS-H size, 1.3x lens conversion factor), featuring the EOS Integrated Cleaning System. World's fastest digital SLR: shooting up to 10 fps (frames per second), with a burst rate up to 110 full-resolution JPEG images or 30 RAW images. All new high-precision AF system with 19 user-selectable AF points and 26 additional "assist points"; superior low-light performance and faster operation. New lighter body with enhanced weather resistance and outstanding reliability: featuring a shutter that's durability-tested to 300,000 exposures. Dual DIGIC III Image Processors working in parallel to provide up to 50% less shadow noise and superb image quality; new Highlight Tone Priority option adds control of bright highlights. Large 3.0-inch LCD monitor, featuring Live View. Fully compatible with over 50 EF lenses and a wide range of EOS System accessories.