Panasonic GF3X vs Sony A57 Specifications

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4/3 224.9mm²
12.1 megapixels

Go in depth with our full Panasonic GF3X Review.

APS-C 369.7mm²
16.1 megapixels
ISO 100 - 16,000

Go in depth with our full Sony A57 Review.
See real-world photos taken with the A57.

Detailed specifications
Panasonic Lumix DMC-GF3X
Sony Alpha SLT-A57

Links
Prices:
Manufacturer URL:	Manufacturer website	Manufacturer website
Predecessor:
Successor:
General
Model Number:	GF3X	A57
Alternate Model Number(s):
Camera Format:	Compact System Camera	SLR
Currently Manufactured:	No	No
Retail Price:	$749.99	$799.99
Street Price:
Date Available:	2011-10-15	2012-04-15
Tripod Mount:	Yes	Yes
Weight:	12.7 oz (359 g) includes batteries, kit lens	29.2 oz (828 g) includes batteries, kit lens
Size:	4.2 x 2.6 x 1.3 in. (108 x 67 x 33 mm)	5.2 x 3.8 x 3.2 in. (132 x 98 x 81 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	Live MOS	CMOS
Sensor Manufacturer:	Panasonic	Sony
Effective Megapixels:	12.1	16.1
Sensor Format:	4/3	APS-C
Sensor size:	224.9mm² (17.30mm x 13.00mm)	369.72mm² (23.7mm x 15.6mm)
Approximate Pixel Pitch:	4.33 microns	4.82 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:	No	Yes
On-Sensor Phase Detect:	No	No
DxO Sensor Score:	50	75
DxO Color Depth Score (bits):	20.6	23.4
DxO Dynamic Range Score (evs):	10.1	13.0
DxO Maximum Effective ISO Score (iso):	459	785
Image Capture
Image Resolution:	4000 x 3000 (12.0 MP, 4:3), 4000 x 2672 (10.7 MP, 3:2), 4000 x 2248 (9.0 MP, 16:9), 2816 x 2112 (5.9 MP, 4:3), 2816 x 1880 (5.3 MP, 3:2), 2816 x 1584 (4.5 MP, 16:9), 2992 x 2992 (9.0 MP, 1:1), 2112 x 2112 (4.5 MP, 1:1), 2048 x 1536 (3.1 MP, 4:3), 2048 x 1360 (2.8 MP, Other), 1920 x 1080 (2.1 MP, 16:9), 1504 x 1504 (2.3 MP, 1:1), 1600 x 1200 (1.9 MP, 4:3), 1600 x 1064 (1.7 MP, 3:2), 1600 x 904 (1.4 MP, Other), 1440 x 1440 (2.1 MP, 1:1)	4912 x 3264 (16.0 MP, 3:2), 4912 x 2760 (13.6 MP, 16:9), 3568 x 2368 (8.4 MP, Other), 3568 x 2000 (7.1 MP, 16:9), 2448 x 1624 (4.0 MP, Other), 2448 x 1376 (3.4 MP, 16:9), 12416 x 1856 (23.0 MP, Other), 5536 x 2160 (12.0 MP, Other), 8192 x 1856 (15.2 MP, Other), 3872 x 2160 (8.4 MP, Other), 7152 x 1080 (7.7 MP, Other), 4912 x 1080 (5.3 MP, Other), 1920 x 1080 (2.1 MP, 16:9)
Image File Format:	JPEG (EXIF v2.3), MPO, RAW, RAW+JPEG	JPEG, MPO, RAW (12-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second:	n/a	10.0
Video Capture
Can take movies:	Yes	Yes
Movie Resolution:	1920x1080 (60i/50i (sensor output is 30p/25p)) 1280x720 (60p/30p) 640x480 (30) 320x240 (30)	1920x1080 (60p(PS)/60i(FX)/60i(FH)/24p(FX)/24p(FH)) 1440x1080 (30p) 640x480 (30p)
Movie File Format:	AVCHD, Motion JPEG	AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC)
Composite Video Out:	Yes	No
NTSC/PAL Switchable Video:	No	n/a
Video Usable as Viewfinder:	No	n/a
HD Video Out:	Yes	Yes
HD Video Connection:	HDMI	HDMI

Lens & Optics
Lens Mount:	Micro Four Thirds	Sony Alpha (Minolta A)
Lens:	Panasonic LUMIX G X VARIO PZ 14-42mm f/3.5-5.6 ASPH/POWER O.I.S.	Sony 18-55mm f/3.5-5.6 DT SAM
Focal Length (35mm equivalent):	28 - 84mm	27 - 83mm
Focal Length (actual):	14 - 42mm	18 - 55mm
Zoom Ratio:	3.00x	3.06x
Aperture Range:	f/3.5 (W) / f/5.6 (T) - f/22	f/3.5 - 22 (W), f/5.6 - 36 (T)
Integrated ND Filter:	No	No
Normal Focus Range:	20 cm to Infinity 7.9 in to Infinity	25 cm to Infinity 9.8 in to Infinity
Macro Focus Range:
Filter Thread:	37.0mm	55.0mm
Thread Type:	n/a	n/a
Optical Image Stabilization:	Yes	No
Digital Zoom:	Yes	Yes
Digital Zoom Values:	Up to 4x	Up to 2x Precision, Up to 2x Clear Image Zoom, 1.4x (8.4MP) or 2.0x (4MP) Smart Zoom
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	Contrast detection with Face detect, AF tracking, 23-area, 1 area, Pinpoint	Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking
Auto Focus Assist Light?	Yes	Yes
Manual Focus:	Yes	Yes
Viewfinder
Viewfinder:	LCD	EVF / LCD
Viewfinder Type:		EVF type; 1.1cm (0.43") 1.44M/1.25M-dot LCD (480K/418K-dot time-multiplexed RGB), 100% coverage, 1.04x/0.97x magnification, 23.1/25.2mm eyepoint, -4 to +3 diopter
Focus Peaking:	No	Yes
EVF Resolution:	n/a
Viewfinder Magnification (35mm equivalent):		0.69x
Viewfinder Magnification (nominal/claimed):		1.04x
Display
Eye-level Viewfinder:	No	Yes
Rear Display:	Yes	Yes
Rear Display Size (inches):	3.0	3.0
Rear Display Resolution:	460,000 dots	921,600 dots (307,200 px)
Touchscreen:	Yes	No
Articulating Screen:	No	Yes
Tilt Swivel Screen:	No
Selfie Screen:	No
Max Playback Zoom:	16.0x	13.6x
Top Deck Display:	No	No

Exposure
Maximum ISO (native):		16000
Minimum ISO (native):		100
ISO Settings:	Auto, 160-6400; Intelligent ISO	Auto (100-3200), 100 - 16000; (Multi-frame NR mode up to ISO 25600)
Auto ISO Mode:	Yes	Yes
White Balance Settings:	Auto, Daylight, Cloudy, Shade, Incandescent , Flash, White Set 1, White Set 2, Color Temperature Setting	Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation)
Shutter Speed Range:	1/4000 - 60 sec	1/4000 - 30 sec
Bulb Mode:	No	Yes
Exposure Compensation:	+/- 3.0EV in 0.3EV steps	+/- 3.0EV in 0.3EV steps
Metering Modes:	144-zone Intelligent Multiple, Center-weighted, Spot	1200-zone Evaluative, 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, Soft Skin, Scenery, Architecture, Sports, Peripheral Defocus, Flower, Food, Objects, Night Portrait, Night Scenery, Illiminatioms, Baby 1, 2, Pet, Party, Sunset	Portrait, SportsAction, Macro, Landscape, Sunset, Night scene, Hand-held Twilight (6 shot layering), Night Portrait; Sweep Panorama, 3D Sweep Panorama, Auto Portrait Framing, Picture Effect (Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature), Dynamic Range Optimizer (Off/Auto/Level),
Self Timer:	2, 10, 10 (3 images) seconds	2 or 10 seconds
Time Lapse (intervalometer):
High Resolution Composite:	No	No
Flash
Built-in Flash:	Yes	Yes
Flash Modes:	Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off	Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100):	5.0 m / 16.4 ft.	10.0 m / 32.8 ft.
Flash Range Description:	Lens dependent	Lens dependent
Max Flash Sync:	1/160	1/160
Flash Exposure Compensation:		+/- 2.0 EV in 0.3EV steps
External Flash Connection:	n/a	Hot shoe
Built-In Wireless Flash Control:
Image Storage
Usable Memory Types:	SD / SDHC / SDXC	MS PRO Duo / SD / SDHC / SDXC
UHS Support:
Other Memory:
Dual Card Slots:	No	No
RAW Capture Support:	Yes	Yes
Uncompressed Format:	RAW, RAW+JPEG	RAW (12-bit ARW 2.3), RAW+JPEG
Movie File Format:	AVCHD, Motion JPEG	AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC)
Included Memory:	No memory included
Included Memory Type:
Connectivity
Built-In Wi-Fi:	No	No
NFC:	No	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
PictBridge Compliant:	Yes	Yes
DPOF Compliant:	Yes	Yes
Remote Control:	No	Yes
Remote Control Type:		Optional Wireless or Wired
Connections (extended):	Mini HDMI (Type C)	Type-C Mini HDMI (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):
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):
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution):		10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):		25
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):
Shutter lag (full AF, tele):
Shutter lag (full AF, live view - DSLR):
Shutter lag (prefocused, live view - DSLR):
Shutter Lag (manual focus):
Shutter lag (full AF, with flash):
Shutter Lag (prefocused):
Shutter Lag (notes):
Startup Time:
Play -> Record Time:
Flash cycle time, full power:
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):	340 shots
Battery Life, Still (CIPA Rating OVF/EVF):		550 shots
Battery Life, Video:
Battery Form Factor:	Proprietary 7.2v 1010mAh	Proprietary
Usable Battery Types:	Lithium-ion rechargeable	NP-FM500H Lithium-ion rechargeable
Batteries Included:	1 x Proprietary Lithium-ion rechargeable	1 x Proprietary NP-FM500H 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:	PhotofunStudio 6.2 HD, SILKYPIX Developer Studio 3.1 SE, Super LoiloScope (trial), USB Driver	Sony Software CD-ROM
OS Compatibility:	Windows, Mac OS	Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +)
Miscellaneous
Notes & Features:	The GF3X is a GF3 with updated firmware, bundled with the new 14-42mm Power Zoom lens. The GF3X will be available in black body and black lens or silver body and silver lens kits options.	SteadyShot INSIDE Sensor-shift Image Stabilization (up to 4.5 EV correction), Full HD 1080p60 Video, Up to 12 fps Burst Mode (Tele-zoom Continuous Advance Priority AE), Enhanced Object Tracking AF, 2x Clear Image Digital Zoom, New Auto Portrait Framing, Tilting 921K-dot LCD, 1.44M-dot EVF.