• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 12,800
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 12,800
  • Detailed specifications
  • Canon EOS Rebel T4i (EOS 650D)
  • Panasonic Lumix DMC-GH3
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon T3i
T3i vs T4i
Panasonic GH2
GH2 vs GH3
Successor: Canon T5i
T4i vs T5i
Panasonic GH4
GH3 vs GH4
General
Model Number: T4i GH3
Alternate Model Number(s): EOS 650D, Kiss X6i  
Camera Format: SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $1199.00 $1299.99
Street Price: $699.00 $797.99
Date Available: 2012-06-30 2012-12-30
Tripod Mount: Yes Yes
Weight: 36.6 oz (1,039 g)
includes batteries, kit lens
19.6 oz (555 g)
includes batteries
Size: 5.2 x 3.9 x 3.1 in.
(133 x 100 x 79 mm)
5.2 x 3.7 x 3.2 in.
(133 x 93 x 82 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer: Canon Panasonic
Effective Megapixels: 18.0 16.1
Sensor Format: APS-C 4/3
Sensor size: 332.27mm2 (22.30mm x 14.90mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 4.30 microns 3.75 microns
Focal Length Multiplier: 1.6x 2.0x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: Yes No
DxO Sensor Score: 62 71
DxO Color Depth Score (bits): 21.7 22.7
DxO Dynamic Range Score (evs): 11.2 12.4
DxO Maximum Effective ISO Score (iso): 722 812
Image Capture
Image Resolution: 5184 x 3456 (17.9 MP, 3:2),
4608 x 3456 (15.9 MP, 4:3),
5184 x 2912 (15.1 MP, 16:9),
3456 x 3456 (11.9 MP, 1:1),
3456 x 2304 (8.0 MP, 3:2),
3072 x 2304 (7.1 MP, 4:3),
3456 x 1944 (6.7 MP, 16:9),
2304 x 2304 (5.3 MP, 1:1),
2592 x 1728 (4.5 MP, 3:2),
2034 x 1728 (3.5 MP, Other),
2592 x 1456 (3.8 MP, 16:9),
1728 x 1728 (3.0 MP, 1:1),
1920 x 1280 (2.5 MP, 3:2),
1696 x 1280 (2.2 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1280 x 1280 (1.6 MP, 1:1),
720 x 480 (0.3 MP, 3:2),
640 x 480 (0.3 MP, 4:3),
720 x 400 (0.3 MP, Other),
480 x 480 (0.2 MP, 1:1)
4608 x 3456 (15.9 MP, 4:3),
4608 x 3072 (14.2 MP, 3:2),
4608 x 2592 (11.9 MP, 16:9),
3456 x 3456 (11.9 MP, 1:1),
3264 x 2448 (8.0 MP, 4:3),
3264 x 2176 (7.1 MP, 3:2),
3264 x 1840 (6.0 MP, Other),
2448 x 2448 (6.0 MP, 1:1),
2336 x 1720 (4.0 MP, Other),
2336 x 1560 (3.6 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
1744 x 1744 (3.0 MP, 1:1),
1824 x 1368 (2.5 MP, 4:3),
1824 x 1216 (2.2 MP, 3:2),
1824 x 1024 (1.9 MP, 16:9),
1712 x 1712 (2.9 MP, 1:1)
Image File Format: JPEG, .CR2 RAW (14-bit), RAW+L/F JPEG JPEG (EXIF 2.3), MPO, RAW, RAW + JPEG
Continuous-mode frames/second: 4.8 6.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30/​25/​24)
1280x720 (60/​50)
640x480 (30/​25)
1920x1080 (60p/​60i/​30p/​24p)
1280x720 (60p/​30p)
640x480 (30p)
1920x1080 (Slow: 60p/​50p/​30p)
1920x1080 (Fast: 15p/​12p/​8p)
Movie File Format: MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container MOV (ALL-I and IPB), AVCHD 2.0, MP4; with stereo audio
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes No
Video Usable as Viewfinder:
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Canon EF/EF-S Micro Four Thirds
Lens: Canon EF-S 18-135mm f/3.5-5.6 IS STM n/a
Focal Length (35mm equivalent): 29 - 216mm  
Focal Length (actual): 18 - 135mm  
Zoom Ratio: 7.50x  
Aperture Range: f/3.5 - 22 (wide) / f/5.6 - 38 (tele)  
Integrated ND Filter: No No
Normal Focus Range: 39 cm to Infinity
15.4 in to Infinity
 
Macro Focus Range:    
Filter Thread: 67.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: No Yes
Digital Zoom Values: n/a 2x, 4x; Magnification ratio depends on recording pixels and aspect ratio
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: OVF: Phase-detect using 9 cross-type AF points with 1 high precision f/2.8 center point; Live View uses new hybrid phase-detect/contrast-detect AF on image sensor Contrast Detection: Face detection, AF Tracking, 23-area-focusing, 1-area-focusing, Pinpoint (Full area touch is available)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / OLED
Viewfinder Type: SLR type; fixed eye-level pentamirror, 95% coverage, 0.85x mag., 19mm eyepoint, -3 to +1 diopter EVF: 1,746K-dot OLED, 100% coverage, 1.34x / 0.67x (35mm eq.) magnification, 21mm eyepoint, -4 to +4 diopter, eye sensor
Focus Peaking: No No
EVF Resolution: n/a 1,746,000 dots
Viewfinder Magnification (35mm equivalent): 0.53x 0.67x
Viewfinder Magnification (nominal/claimed): 0.85x 1.34x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,040,000 dots (345,600 px) 614,000 dots (204,600 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes Yes
Selfie Screen: Yes Yes
Max Playback Zoom: 10.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 12800
Minimum ISO (native): 100 200
ISO Settings: Auto(100-6400), 100-12800 in 1EV steps, expandable to H=25600 Auto, Intelligent ISO, 200, 400, 800, 1600, 3200, 6400, 12800; in 1/3 or 1 EV steps; expandable to ISO 125 and ISO 25600; Up to ISO 3200 in Auto
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2, Color Temperature Setting (2,500-10,000K in 100K steps)
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 63-zone Evaluative (linked to any AF point), Center-weighted, Partial (9%), Spot (4%) 144-zone Intelligent Multiple, Center-weighted, Spot
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, Night Portrait, Handheld Night Scene, HDR Backlight Control, Multi-Shot Noise Reduction, Video Snapshot Clear Portrait, Silky Skin, Backlit Softness, Clear in Backlight, Relaxing Tone, Sweet Child's Face, Distinct Scenery, Bright Blue Sky, Romantic Sunset Glow, Vivid Sunset Glow, Glistening Water, Clear Nightscape, Cool Night Sky, Warm Glowing Nightscape, Artistic Nightscape, Glittering Illuminations, Clear Night Portrait, Soft Image of a Flower, Appetizing Food, Cute Dessert, Freeze Animal Motion, Clear Sports Shot, Monochrome
Self Timer: 10, 2, Remote, 10s Continuous (2-10) seconds 2, 10, 3 shots after 10 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: E-TTL II: Auto, Manual flash, Integrated Speedlite Transmitter; Red-Eye Reduction; Second Curtain Synchro Auto, Auto/Red-eye Reduction (when iA, iA+), Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Off; Built-in flash supports wireless mode (4 channels, 3 groups)
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 12.0 m / 39.4 ft.
Flash Range Description: Lens aperture dependent Lens dependent; GN = 17m (ISO 200)
Max Flash Sync: 1/200 1/160
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot Shoe, PC Sync Socket
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: .CR2 RAW (14-bit), RAW+L/F JPEG RAW, RAW + JPEG
Movie File Format: MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container MOV (ALL-I and IPB), AVCHD 2.0, MP4; with stereo audio
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired (RS-60E3) or Wireless (RC-6 , RC-5, RC-1) Optional wired DMW-RSL1
Connections (extended): Mini (Type-C) HDMI-CEC, External 3.5mm Stereo Mic Jack, Wired Remote Jack Mini HDMI (Type-C), 2.5mm Remote Jack, 3.5mm Mic Jack, 3.5mm Headphone Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.37 0.48
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.34 0.48
Buffer size for RAW shooting in single shot mode (frames): 9 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.37 0.46
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 4.8 6.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 19 Unlimited
RAW shooting speed in burst mode (fps): 5.1 5.1
Buffer size for RAW shooting in burst mode (frames): 6 24
RAW+JPEG shooting speed in burst mode (fps): 5.6 5.2
Buffer Size for RAW+JPEG shooting in burst mode (frames): 3 20
Shutter lag (full AF, wide/mid): 0.27 seconds 0.21 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 0.83 seconds  
Shutter lag (prefocused, live view - DSLR): 0.062 seconds  
Shutter Lag (manual focus): 0.094 seconds 0.086 seconds
Shutter lag (full AF, with flash): 0.28 seconds 0.38 seconds
Shutter Lag (prefocused): 0.074 seconds 0.079 seconds
Shutter Lag (notes): OVF: Auto Selection AF lag: 0.122s Live View: Quick AF: 1.070s Hybrid AF Single Area: 0.833s Hybrid AF Auto Selection: 1.419s Prefocused: 0.062s Full Autofocus lag, Multi-area AF mode = 0.202s
Startup Time: 0.7 seconds 0.8 seconds
Play -> Record Time: 0.3 seconds 0.7 seconds
Flash cycle time, full power: 3.3 seconds 4.1 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 180 shots 540 shots
Battery Life, Still (CIPA Rating OVF/EVF): 440 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary LP-E8 Proprietary
Usable Battery Types: Lithium-ion rechargeble 7.2v 1860 mAh Lithium-ion rechargeable
Batteries Included: 1 x Proprietary LP-E8 Lithium-ion rechargeble 1 x Proprietary Lithium-ion rechargeable
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: EOS Digital Solutions Disc (ImageBrowser EX, Digital Photo Professional, PhotoStitch, EOS Utility (inc. Remote Capture), Picture Style Editor) PHOTOfunSTUDIO 8.5 PE, SILKYPIX Developer Studio 3.1 SE, Super LoiloScope (trial)
OS Compatibility: Windows XP inc SP3 / Vista inc SP1 and SP2 (excl. Starter Edition) / 7 (excl. Starter Edition) OS X v10.6-10.7 (Intel processor required)  
Miscellaneous
Notes & Features: DIGIC 5 processor, 3-inch Vari-angle capacitive touchscreen LCD, new Hybrid CMOS AF system allows continuous AF and touch focus in Live View/Movie mode, 5 fps burst mode, 100-12800 ISO expandable to 25600, Auto Lighting Optimizer, Highlight Tone Priority, vignetting correction, distortion correction, chromatic aberration correction, Handheld Night Scene, HDR Backlight Control, Multi-Shot Noise Reduction, Full HD video, built-in stereo mic, UHS-I compatible.