• APS-C 355.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200
  • 1 inch 116.2mm2
  • 20.2 megapixels
  • 24.00mm - 100.00mm (35mm eq.)
  • Detailed specifications
  • Nikon D3100
  • Canon PowerShot G7 X Mark III
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website
Nikon D3100 webpage
Manufacturer website
Predecessor:   Canon G7X Mark II
G7X Mark II vs G7X Mark III
Successor: Nikon D3200
D3100 vs D3200
 
General
Model Number: D3100 G7X Mark III
Alternate Model Number(s):   G7X III
Camera Format: SLR Compact
Currently Manufactured: No Yes
Retail Price: $699.95 $749.99
Street Price:   $1,041.66
Date Available: 2010-09-15 2019-08-05
Tripod Mount: Yes Yes
Weight: 27.4 oz (777 g)
includes batteries, kit lens
10.7 oz (304 g)
includes batteries
Size: 4.9 x 3.8 x 2.9 in.
(125 x 97 x 74 mm)
4.1 x 2.4 x 1.6 in.
(105 x 61 x 41 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 14.2 20.2
Sensor Format: APS-C 1 inch
Sensor size: 355.74mm2 (23.10mm x 15.40mm) 116.16mm2 (13.20mm x 8.80mm)
Approximate Pixel Pitch: 5.01 microns 2.41 microns
Focal Length Multiplier: 1.5x 2.7x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 67  
DxO Color Depth Score (bits): 22.5  
DxO Dynamic Range Score (evs): 11.3  
DxO Maximum Effective ISO Score (iso): 919  
Image Capture
Image Resolution: 4608 x 3072 (14.2 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2304 x 1536 (3.5 MP, 3:2)
5472 x 3648 (20.0 MP, 3:2),
3648 x 2432 (8.9 MP, 3:2),
2736 x 1824 (5.0 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
5472 x 3072 (16.8 MP, 16:9),
3648 x 2048 (7.5 MP, 16:9),
2736 x 1536 (4.2 MP, 16:9),
2400 x 1344 (3.2 MP, Other),
4864 x 3648 (17.7 MP, 4:3),
3248 x 2432 (7.9 MP, Other),
2432 x 1824 (4.4 MP, 4:3),
2112 x 1600 (3.4 MP, Other),
3648 x 3648 (13.3 MP, 1:1),
2432 x 2432 (5.9 MP, 1:1),
1824 x 1824 (3.3 MP, 1:1),
1600 x 1600 (2.6 MP, 1:1),
26064 x 2560 (66.7 MP, Other),
3840 x 16000 (61.4 MP, Other)
Image File Format: JPEG (EXIF 2.21), RAW (12-bit .NEF), RAW+JPEG JPEG (EXIF 2.31), RAW/C-RAW (.CR3), RAW+JPEG, C-RAW+JPEG
Continuous-mode frames/second: 2.9 20.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (24)
1280x720 (30/​25/​24)
640x424 (24)
3840x2160 (30p/​25p)
1920x1080 (120p/​100p/​60p/​50p/​30p/​25p)
1280x720 (60p/​50p)
Movie File Format: MOV H.264/MPEG-4 MP4 (Image: MPEG-4 AVC/H.264; Audio: MPEG-4 AAC-LC (Stereo))
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Nikon F n/a
Lens: Nikkor AF-S DX 18-55mm f/3.5-5.6G VR Canon Zoom Lens
Focal Length (35mm equivalent): 27 - 83mm 24 - 100mm
Focal Length (actual): 18 - 55mm 8.8 - 36.8mm
Zoom Ratio: 3.00x 4.20x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T) f/1.8 (W) / f2.8 (T) - f/11, with 9-blade aperture; ND Filter (3-stop) On / Auto / Off
Integrated ND Filter: No Yes
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
5 cm to Infinity
2.0 in to Infinity
Macro Focus Range:   5 - 50 cm
2.0 - 19.7 in
Filter Thread: 52.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Nikon Multi-CAM 1000 11-Area Phase Detection, 1 cross-type, 9 line-type Contrast Detect AF with Face Detection: AiAF (31-point, Face Detection or Touch AF with Object and Face Select and Track), 1-point AF (any position is available or fixed center)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD No / LCD
Viewfinder Type: SLR type; eye-level pentamirror, 95% coverage, 0.80x mag., 18mm eyepoint, -1.7 to +0.5 diopter  
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.53x  
Viewfinder Magnification (nominal/claimed): 0.80x  
Display
Eye-level Viewfinder: Yes No
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 No
Selfie Screen: No Yes
Max Playback Zoom: 27.0x 10.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 3200 12800
Minimum ISO (native): 100 125
ISO Settings: 100 - 3,200; expandable to 12800 Auto (max: 400 to 12800), ISO 125-12800 in 1/3 EV steps, expandable to ISO 25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Incandescent, Fluorescent (7 types), Direct Sunlight, Flash, Cloudy, Shade, Preset Manual;all except Preset Manual with fine tuning Auto (Ambience and White Priority), Daylight, Cloudy, Tungsten, White Fluorescent, Fluorescent Light, Flash, Color Temperature, Custom
Shutter Speed Range: 1/4000 - 30 sec 1/25600 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 420 segment 3D color matrix metering II, color matrix metering II, center-weighted, spot (3.5mm) Evaluative (linked to Face Detection AF frame), Centre-weighted average, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, Landscape, Child, Sports, Close up, Night portrait Self Portrait, Portrait, Panning, Star Portrait, Star Nightscape, Star Trails, Star Time-Lapse Movie, Handheld Night Scene, High Dynamic Range, Fish-eye Effect, Art Bold Effect, Water Painting Effect, Miniature Effect, Toy Camera Effect, Background Defocus, Soft Focus, Grainy B/W, Fireworks, Standard Movie, Short Clip, Manual Movie, Time-Lapse Movie, iFrame Movie, Panoramic Shot
Self Timer: 10 or 2 seconds 2, 10, custom (0-30s, 1-10 shots) seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Red-Eye Reduction, Red-Eye Reduction with Slow Sync, Slow Sync, Rear-Curtain Sync. Auto, Flash On, Slow Synchro, Flash Off
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: Lens dependent Auto ISO: 1.6 ft. (50 cm) - 23 ft. (7.0 m) (W), 1.3 ft. (40 cm) - 13 ft. (4.0 m) (T)
Max Flash Sync: 1/200 1/2000
Flash Exposure Compensation: -3 to +1 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: ISO hot shoe n/a
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (12-bit .NEF), RAW+JPEG RAW/C-RAW (.CR3), RAW+JPEG, C-RAW+JPEG
Movie File Format: MOV H.264/MPEG-4 MP4 (Image: MPEG-4 AVC/H.264; Audio: MPEG-4 AAC-LC (Stereo))
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: Optional, MC-DC2 corded Via Wi-Fi/Bluetooth
Connections (extended): Type C mini-HDMI with CEC, Accessory Terminal (MC-DC2 remote cord or GP-1 GPS unit) USB-C, Micro (Type D) HDMI, 3.5mm external mic jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.55 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.54  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 2.9 20.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 100 125
RAW shooting speed in burst mode (fps):   30.0
Buffer size for RAW shooting in burst mode (frames):   76
RAW+JPEG shooting speed in burst mode (fps):   20.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   59
Shutter lag (full AF, wide/mid): 0.28 seconds 0.15 seconds
Shutter lag (full AF, tele):   0.16 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.200 seconds 0.165 seconds
Shutter lag (full AF, with flash): 0.30 seconds 0.25 seconds
Shutter Lag (prefocused): 0.117 seconds 0.024 seconds
Shutter Lag (notes): Live View: Full AF lag (AF-S or AF-F) = 1.5s Prefocused lag = 0.479s  
Startup Time: 0.4 seconds 1.5 seconds
Play -> Record Time: 0.3 seconds 0.8 seconds
Flash cycle time, full power: 3.5 seconds 1.6 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   235 shots
Battery Life, Still (CIPA Rating OVF/EVF): 550 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary EN-EL14 Proprietary NB-13L
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary EN-EL14 Lithium-ion rechargeable 1 x Proprietary NB-13L Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: Yes
Software
Included Software: Nikon Software Suite CD-ROM  
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: 1080p HD movies, Quiet Shutter mode, new full-time AF in Movie mode. Available in black or silver.