• APS-C 355.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200
  • 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600
  • Detailed specifications
  • Nikon D3100
  • Panasonic Lumix DMC-GX7
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website
Nikon D3100 webpage
Manufacturer website
Predecessor:   Panasonic GX1
GX1 vs GX7
Successor: Nikon D3200
D3100 vs D3200
Panasonic GX85
GX7 vs GX85
General
Model Number: D3100 GX7
Alternate Model Number(s):    
Camera Format: SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $699.95 $1099.99
Street Price:   $497.00
Date Available: 2010-09-15 2013-09-01
Tripod Mount: Yes Yes
Weight: 27.4 oz (777 g)
includes batteries, kit lens
18.8 oz (532 g)
includes batteries, kit lens
Size: 4.9 x 3.8 x 2.9 in.
(125 x 97 x 74 mm)
4.8 x 2.8 x 2.1 in.
(123 x 71 x 55 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer:   Panasonic
Effective Megapixels: 14.2 16.0
Sensor Format: APS-C 4/3
Sensor size: 355.74mm2 (23.10mm x 15.40mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 5.01 microns 3.77 microns
Focal Length Multiplier: 1.5x 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 Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 67 70
DxO Color Depth Score (bits): 22.5 22.6
DxO Dynamic Range Score (evs): 11.3 12.2
DxO Maximum Effective ISO Score (iso): 919 718
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)
4592 x 3448 (15.8 MP, 4:3),
4592 x 3064 (14.1 MP, 3:2),
4592 x 2584 (11.9 MP, 16:9),
3424 x 3424 (11.7 MP, 1:1),
3232 x 2424 (7.8 MP, 4:3),
3232 x 2160 (7.0 MP, 3:2),
3232 x 1824 (5.9 MP, Other),
2416 x 2416 (5.8 MP, 1:1),
2272 x 1704 (3.9 MP, 4:3),
2272 x 1520 (3.5 MP, Other),
1920 x 1080 (2.1 MP, 16:9),
1712 x 1712 (2.9 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 (EXIF 2.21), RAW (12-bit .NEF), RAW+JPEG JPEG (EXIF 2.3), MPO, RAW, RAW + JPEG
Continuous-mode frames/second: 2.9 10.7
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (24)
1280x720 (30/​25/​24)
640x424 (24)
1920x1080 (60p/​60i/​30p/​24p)
1280x720 (60p/​30p)
640x480 (30p)
Movie File Format: MOV H.264/MPEG-4 AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes No
Video Usable as Viewfinder: No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Nikon F Micro Four Thirds
Lens: Nikkor AF-S DX 18-55mm f/3.5-5.6G VR Panasonic Lumix G VARIO 14-42mm F3.5-5.6 II ASPH. MEGA O.I.S. ( H-FS1442A); 9 elements in 8 groups (2 aspherical lenses)
Focal Length (35mm equivalent): 27 - 83mm 28 - 84mm
Focal Length (actual): 18 - 55mm 14 - 42mm
Zoom Ratio: 3.00x 3.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T) f/3.5 (wide) / f/5.6 (tele) - f/22; 7 diaphragm blades (circular)
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
20 cm to Infinity
7.9 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm 46.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a 2x, 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 Detection: Face detection, AF Tracking, 23-area-focusing, 1-area-focusing, Pinpoint; Quick AF, Continuous AF, AF+MF, Eye Sensor AF, Touch AF/AE Function, Touch Pad AF, Touch shutter, Touch MF Assist
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; eye-level pentamirror, 95% coverage, 0.80x mag., 18mm eyepoint, -1.7 to +0.5 diopter 2.76M-dot eq. field-sequential RGB, 1.39x / 0.7x (35mm eq.) magnification, 17.5mm eyepoint, -4 to +3 diopter, eye sensor
Focus Peaking: No Yes
EVF Resolution: n/a 921,600 dots
Viewfinder Magnification (35mm equivalent): 0.53x 0.70x
Viewfinder Magnification (nominal/claimed): 0.80x 1.39x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 230,000 dots 1,036,800 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 27.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 3200 25600
Minimum ISO (native): 100 200
ISO Settings: 100 - 3,200; expandable to 12800 Auto, Intelligent ISO, 125 (extended), 200 - 25600; in 1 or 1/3 EV steps
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, 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 1/8000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 420 segment 3D color matrix metering II, color matrix metering II, center-weighted, spot (3.5mm) 1728-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: Portrait, Landscape, Child, Sports, Close up, Night portrait Scene: 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, Panorama; Creative Control: Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy POP, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sun Shine
Self Timer: 10 or 2 seconds 2, 10, 3 shots in 10 seconds
Time Lapse (intervalometer):   Yes
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, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off; 1st. Curtain Sync, 2nd Curtain Sync.
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. 5.0 m / 16.4 ft.
Flash Range Description: Lens dependent Lens dependent; GN=7 (ISO 200, m) / 5 (ISO 100, m)
Max Flash Sync: 1/200 Built-in flash:1/320; External:1/250
Flash Exposure Compensation: -3 to +1 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: ISO hot shoe Hot Shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:   UHS-I compliant
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (12-bit .NEF), RAW+JPEG RAW, RAW + JPEG
Movie File Format: MOV H.264/MPEG-4 AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
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, MC-DC2 corded Optional wired or via Wi-Fi
Connections (extended): Type C mini-HDMI with CEC, Accessory Terminal (MC-DC2 remote cord or GP-1 GPS unit) Mini HDMI (Type-C), 2.5mm Remote Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.55 0.47
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.54 0.48
Buffer size for RAW shooting in single shot mode (frames): Unlimited 13
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.56
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 2.9 10.7
Buffer size for JPEG shooting in burst mode (frames, max resolution): 100 Unlimited
RAW shooting speed in burst mode (fps):   8.0
Buffer size for RAW shooting in burst mode (frames):   9
RAW+JPEG shooting speed in burst mode (fps):   8.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   8
Shutter lag (full AF, wide/mid): 0.28 seconds 0.19 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.200 seconds 0.096 seconds
Shutter lag (full AF, with flash): 0.30 seconds 0.31 seconds
Shutter Lag (prefocused): 0.117 seconds 0.081 seconds
Shutter Lag (notes): Live View: Full AF lag (AF-S or AF-F) = 1.5s Prefocused lag = 0.479s Full Autofocus AF lag, Multi-area AF mode = 0.232s
Startup Time: 0.4 seconds 0.9 seconds
Play -> Record Time: 0.3 seconds 0.6 seconds
Flash cycle time, full power: 3.5 seconds 4.0 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   350 shots
Battery Life, Still (CIPA Rating OVF/EVF): 550 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary EN-EL14 Proprietary
Usable Battery Types: Lithium-ion rechargeable 7.2v, 1025mAh Lithium-ion rechargeable
Batteries Included: 1 x Proprietary EN-EL14 Lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Nikon Software Suite CD-ROM PHOTOfunSTUDIO 9.2 PE, SILKYPIX Developer Studio 3.1 SE, LoiloScope (trial)
OS Compatibility: Windows, Mac OS PHOTOfunSTUDIO and LoiloScope: Windows XP/Vista/7/8; SILKYPIX: Windows XP/Vista/7/8, Mac OS X 10.4-10.8
Miscellaneous
Notes & Features: 1080p HD movies, Quiet Shutter mode, new full-time AF in Movie mode. Tiling EVF, Tilting Touchscreen LCD, Sensor-shift Image Stabilization(!), Built-in WiFi (IEEE 802.11 b/g/n) and NFC, Built-in Flash. Available in silver in the USA. (Black also available in some markets.)