• 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000
  • Detailed specifications
  • Panasonic Lumix DMC-GX8
  • Sony Alpha ILCE-A6400
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Panasonic GX7
GX7 vs GX8
Sony A6300
A6300 vs A6400
Successor: Panasonic GX9
GX8 vs GX9
 
General
Model Number: GX8 A6400
Alternate Model Number(s):   ILCE-6400
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $1199.99 $999.99
Street Price: $997.99 $798.00
Date Available: 2015-08-15 2019-02-15
Tripod Mount: Yes Yes
Weight: 17.2 oz (487 g)
includes batteries
18.3 oz (519 g)
includes batteries, kit lens
Size: 5.2 x 3.1 x 2.5 in.
(133 x 78 x 63 mm)
4.7 x 2.6 x 2.4 in.
(120 x 67 x 60 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer: Panasonic Sony
Effective Megapixels: 20.3 24.2
Sensor Format: 4/3 APS-C
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 3.34 microns 3.92 microns
Focal Length Multiplier: 2.0x 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 75  
DxO Color Depth Score (bits): 23.5  
DxO Dynamic Range Score (evs): 12.6  
DxO Maximum Effective ISO Score (iso): 806  
Image Capture
Image Resolution: 5184 x 3888 (20.2 MP, 4:3),
3712 x 2784 (10.3 MP, 4:3),
2624 x 1968 (5.2 MP, 4:3),
1824 x 1368 (2.5 MP, 4:3),
5184 x 3456 (17.9 MP, 3:2),
3712 x 2480 (9.2 MP, 3:2),
2624 x 1752 (4.6 MP, 3:2),
1824 x 1216 (2.2 MP, 3:2),
5184 x 2920 (15.1 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
1824 x 1024 (1.9 MP, 16:9),
3888 x 3888 (15.1 MP, 1:1),
2784 x 2784 (7.8 MP, 1:1),
1968 x 1968 (3.9 MP, 1:1),
1712 x 1712 (2.9 MP, 1:1)
6000 x 4000 (24.0 MP, 3:2),
4240 x 2832 (12.0 MP, 3:2),
3008 x 2000 (6.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2400 (10.2 MP, Other),
3008 x 1688 (5.1 MP, 16:9),
4000 x 4000 (16.0 MP, 1:1),
2832 x 2832 (8.0 MP, 1:1),
2000 x 2000 (4.0 MP, 1:1),
12416 x 1586 (19.7 MP, Other),
8192 x 1856 (15.2 MP, Other),
5536 x 2160 (12.0 MP, Other),
3872 x 2160 (8.4 MP, Other)
Image File Format: JPEG (EXIF 2.3), MPO, RAW, RAW + JPEG JPEG (EXIF 2.31), RAW (14-bit compressed ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 8.3 11.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/​24p)
1920x1080 (60p/​60i/​30p/​24p)
1280x720 (30p)
640x480 (30p)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
1920x1080 (15p/​12p/​8p/​6p/​4p/​3p/​2p/​1/​p)
Movie File Format: AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) XAVC S / AVCHD format Ver. 2.0 compliant; Audio: LPCM, 2ch / Dolby Digital (AC-3), 2ch, Dolby Digital Stereo Creator
Composite Video Out: Yes No
NTSC/PAL Switchable Video: No n/a
Video Usable as Viewfinder: Yes n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Micro Four Thirds Sony E
Lens: n/a Sony SELP1650 PZ 16-50mm f/3.5-5.6 OSS; 9 elements in 8 groups, 4 aspheric surfaces
Focal Length (35mm equivalent):   24 - 75mm
Focal Length (actual):   16 - 50mm
Zoom Ratio:   3.13x
Aperture Range:   f/3.5 - f/22 (W) / f/5.6 - f/36 (T); 7-blade circular aperture
Integrated ND Filter: No No
Normal Focus Range:   25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 40.5mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 2x, 4x Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection with DFD: Face/Eye detection, Tracking, 49-area, Custom Multi, 1-area, Pinpoint; One Shot AF, Shutter AF, Half Press Release, Quick AF, Continuous AF (during motion picture recording), Eye Sensor AF, AF+MF, MF Assist, Touch MF Assist, Focus Peaking, Touch AF/AE Function, Touch Pad AF, Touch Shutter Hybrid Contrast/Phase Detection: Wide (425 points (phase-detection AF), 425 points (contrast-detection AF)) / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot / Tracking ( Wide / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot); Enhanced real-time Eye AF and object tracking
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / OLED EVF / LCD
Viewfinder Type: Tilting 2360K-dot OLED, 1.54x / 0.77x (35mm eq.) magnification, 21mm eyepoint, -4 to +3 diopter, eye sensor EVF type; 1.0cm (0.39-inch) 2.3M-dot XGA OLED, 100% coverage, 1.07x mag. (0.70x 35mm eq.), 23mm eyepoint, -4 to +3 diopter
Focus Peaking: Yes Yes
EVF Resolution: 2,360,000 dots 2,359,296 dots
Viewfinder Magnification (35mm equivalent): 0.77x 0.70x
Viewfinder Magnification (nominal/claimed): 1.54x 1.07x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 921,600 dots (307,200 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes Yes
Max Playback Zoom: 16.0x 16.7x
Top Deck Display: No No
Exposure
Maximum ISO (native): 25600 32000
Minimum ISO (native): 200 100
ISO Settings: Auto, iISO, 100 (extended), 200 - 25600; in 1 or 1/3 EV steps Auto, 100-32000; expandable to 102400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1-4, Color Temperature Setting (2,500-10,000K in 100K steps) Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, C. Temp 2500 to 9900K, C Filter G7 to M7 (15-step), Custom, Underwater; AWB micro adjustment
Shutter Speed Range: 1/16000 - 60 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1728-zone Intelligent Multiple, Center-weighted, Spot 1200-zone Evaluative, Center-weighted, Spot, Spot Standard/Large, Entire-screen Average, Highlight
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Panorama (Standard/Wide); 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, Sunshine Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur, HDR, Sweep Panorama, Movie/Slow & Quick Motion
Self Timer: 2, 10, 3 shots in 10 seconds 2 , 10, 10 (3 or 5 frames) seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: 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. Auto, Off, Fill-flash, Rear sync, Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): n/a 6.0 m / 19.7 ft.
Flash Range Description: n/a Lens dependent
Max Flash Sync: 1/250 1/160
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Multi Interface Shoe
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, RAW + JPEG RAW (14-bit compressed ARW 2.3), RAW+JPEG
Movie File Format: AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) XAVC S / AVCHD format Ver. 2.0 compliant; Audio: LPCM, 2ch / Dolby Digital (AC-3), 2ch, Dolby Digital Stereo Creator
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes Yes
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed,WiFi USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wi-Fi or optional wired Optional wired or Wi-FI
Connections (extended): Micro HDMI (Type-D), 2.5mm Wired Remote/External Mic Jack Micro (Type-D) HDMI, Multi Interface Shoe, Multi Micro USB
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 0.41
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): <0.3 0.42
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 8.3 11.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): Unlimited 87
RAW shooting speed in burst mode (fps): 7.9 11.1
Buffer size for RAW shooting in burst mode (frames): 36 42
RAW+JPEG shooting speed in burst mode (fps): 7.9 11.1
Buffer Size for RAW+JPEG shooting in burst mode (frames): 32 42
Shutter lag (full AF, wide/mid): 0.18 seconds 0.12 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.065 seconds 0.111 seconds
Shutter lag (full AF, with flash):   0.17 seconds
Shutter Lag (prefocused): 0.058 seconds 0.021 seconds
Shutter Lag (notes):    
Startup Time: 1.2 seconds 1.8 seconds
Play -> Record Time: 0.6 seconds 1.0 seconds
Flash cycle time, full power:   2.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 340 shots 410 shots
Battery Life, Still (CIPA Rating OVF/EVF): 320 shots 360 shots
Battery Life, Video:   125 minutes
Battery Form Factor: Proprietary Proprietary NP-FW50
Usable Battery Types: 7.2v, 1200mAh Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary Lithium-ion rechargeable 1 x Proprietary NP-FW50 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No Yes
Software
Included Software: PHOTOfunSTUDIO 9.7 PE, SILKYPIX Developer Studio 4.3 SE, LoiloScope (trial version) Free downloads of "Remote", "Viewer" and "Edit" apps
OS Compatibility: PHOTOfunSTUDIO and LoiloScope: Windows Vista/7/8/8.1; SILKYPIX: Windows Vista/7/8/8.1, Mac OS X 10.5-10.10  
Miscellaneous
Notes & Features: New 20.3MP Live MOS sensor, upgraded quad-core CPU Venus Engine image processor, Dual IS uses both IBIS and OIS, 4K 30p/24p video and stills capture, 8fps full-res burst shooting (10fps with electronic shutter), Depth From Defocus AF, tilting high-res 0.77x EVF, tilt/swivel touchscreen OLED monitor, built-in Wi-Fi with NFC, magnesium alloy die cast frame