Sony RX100 III vs Sony A9 Specifications

1 inch 116.2mm²
20.2 megapixels
24.00mm - 70.00mm (35mm eq.)

Go in depth with our full Sony RX100 III Review.
How does it shoot? Sony RX100 III in the real world.
See real-world photos taken with the RX100 III.
Compare Sony RX100 III image quality against competitors.
What’s the bottom line? Read our Sony RX100 III conclusion.

35mm 847.3mm²
24.2 megapixels
ISO 100 - 51,200

Go in depth with our full Sony A9 Review.
How does it shoot? Sony A9 in the real world.
See real-world photos taken with the A9.
Compare Sony A9 image quality against competitors.
What’s the bottom line? Read our Sony A9 conclusion.

Detailed specifications
Sony Cyber-shot DSC-RX100 III
Sony Alpha ILCE-A9

Links
Prices:	Compare Prices	Compare Prices
Manufacturer URL:	Manufacturer website	Manufacturer website
Predecessor:	Sony RX100 II RX100 II vs RX100 III
Successor:	Sony RX100 IV RX100 III vs RX100 IV	Sony A9 II A9 vs A9 II
General
Model Number:	RX100 III	A9
Alternate Model Number(s):	DSC-RX100M3	ILCE-9
Camera Format:	Compact	Compact System Camera
Currently Manufactured:	Yes	Yes
Retail Price:	$799.99	$4499.00
Street Price:	$748.00	$3,147.00
Date Available:	2014-06-15	2017-04-15
Tripod Mount:	Yes	Yes
Weight:	10.1 oz (287 g) includes batteries	23.7 oz (673 g) includes batteries
Size:	4.0 x 2.3 x 1.6 in. (102 x 58 x 41 mm)	5.0 x 3.8 x 2.5 in. (127 x 96 x 63 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	CMOS	CMOS
Sensor Manufacturer:	Sony Exmor R	Sony
Effective Megapixels:	20.2	24.2
Sensor Format:	1 inch	35mm
Sensor size:	116.16mm² (13.20mm x 8.80mm)	847.28mm² (35.60mm x 23.80mm)
Approximate Pixel Pitch:	2.41 microns	5.93 microns
Focal Length Multiplier:	2.7x	1.0x
Aspect Ratio:	3:2	3:2
Color Filter Type:	RGBG	RGBG
Anti Aliasing Filter:	Fixed	Fixed
Self-Cleaning:	No	Yes
Sensor shift image stabilization:	No	Yes
On-Sensor Phase Detect:	No	Yes
DxO Sensor Score:	67	92
DxO Color Depth Score (bits):	22.4	24.9
DxO Dynamic Range Score (evs):	12.3	13.3
DxO Maximum Effective ISO Score (iso):	495	3,517
Image Capture
Image Resolution:	5472 x 3648 (20.0 MP, 3:2), 4864 x 3648 (17.7 MP, 4:3), 5472 x 3080 (16.9 MP, 16:9), 3648 x 3648 (13.3 MP, 1:1), 3888 x 2592 (10.1 MP, 3:2), 3648 x 2736 (10.0 MP, 4:3), 3648 x 2056 (7.5 MP, Other), 2736 x 1824 (5.0 MP, 3:2), 2592 x 1944 (5.0 MP, 4:3), 2720 x 1528 (4.2 MP, 16:9), 12416 x 1856 (23.0 MP, Other), 8192 x 1856 (15.2 MP, Other), 2160 x 5536 (12.0 MP, Other), 2160 x 3872 (8.4 MP, Other)	6000 x 4000 (24.0 MP, 3:2), 3936 x 2624 (10.3 MP, 3:2), 3008 x 2000 (6.0 MP, 3:2), 6000 x 3376 (20.3 MP, 16:9), 3936 x 2216 (8.7 MP, 16:9), 3008 x 1688 (5.1 MP, 16:9)
Image File Format:	JPEG, RAW (ARW 2.3), RAW+JPEG	JPEG (EXIF 2.31), RAW (14-bit ARW 2.3 compressed or uncompressed), RAW+JPEG
Continuous-mode frames/second:	10.0	20.0
Video Capture
Can take movies:	Yes	Yes
Movie Resolution:	1920x1080 (60p/60i/30p/24p) 1440x1080 (30p) 1280x720 (120p) 640x480 (30p)	3840x2160 (30p/25p/24p) 1920x1080 (120p/100p/60p/60i/50p/50i/30p/25p/24p) 1280x720 (30p/25p) 1920x1080 (1p/2p/3p/4p/6p/8p/12p/15p)
Movie File Format:	XAVC S / AVCHD 2.0 / MPEG-4 AVC (H.264) with LPCM (2ch) / Dolby Digital (AC3) / MPEG-4 AAC-LC audio	XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Composite Video Out:	No	No
NTSC/PAL Switchable Video:	n/a	n/a
Video Usable as Viewfinder:	n/a	n/a
HD Video Out:	Yes	Yes
HD Video Connection:	HDMI	HDMI

Lens & Optics
Lens Mount:	n/a	Sony E
Lens:	Zeiss Vario-Sonnar T* Lens; 10 elements in 9 groups (9 aspheric elements including AA lens)	n/a
Focal Length (35mm equivalent):	24 - 70mm
Focal Length (actual):	8.8 - 25.7mm
Zoom Ratio:	2.92x
Aperture Range:	f/1.8 (wide) / f/2.8 (tele) - f/11 with 7 blade aperture, plus built-in 3-stop ND filter
Integrated ND Filter:	Yes	No
Normal Focus Range:	5 cm to Infinity 2.0 in to Infinity
Macro Focus Range:
Filter Thread:	n/a	n/a
Thread Type:	n/a	n/a
Optical Image Stabilization:	Yes	No
Digital Zoom:	Yes	Yes
Digital Zoom Values:	Up to 4x; 2x Clear Image Digital Zoom	Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	Contrast Detection: Multi point AF (25 points) / Center weighted AF / Flexible spot / Flexible spot (tracking focus) / Flexible sport (face tracking)	Fast Hybrid AF: Wide (693 points (phase-detection AF), 25 points (contrast-detection AF)) / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot / Lock-on AF (Wide / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot)
Auto Focus Assist Light?	Yes	Yes
Manual Focus:	Yes	Yes
Viewfinder
Viewfinder:	EVF / LCD	EVF / LCD
Viewfinder Type:	Pop-up EVF: 0.39-inch OLED, 1,440,000 dots, 100% coverage, 0.59x magnification, 20mm eye-point (from eyepiece)/ 19.2mm from eyepiece frame; -4 to +3 m^-1 diopter, ZEISS T* Coating, eye detector.	EVF: 1.3 cm (0.5 type) 3,686K-dot Quad VGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0m-1 diopter, Approx. 23mm eyepoint from the eyepiece lens, 18.5mm from the eyepiece frame at -1m-1 (CIPA standard), STD 60fps / HI 120fps, eye sensor
Focus Peaking:	Yes	Yes
EVF Resolution:	1,440,000 dots (480,000 pixels)	3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent):	0.59x	0.78x
Viewfinder Magnification (nominal/claimed):	0.22x	0.78x
Display
Eye-level Viewfinder:	Yes	Yes
Rear Display:	Yes	Yes
Rear Display Size (inches):	3.0	3.0
Rear Display Resolution:	1,228,800 dots (307,200 px)	1,440,000 dots (360,000 px)
Touchscreen:	No	Yes
Articulating Screen:	Yes	Yes
Tilt Swivel Screen:	No	No
Selfie Screen:	Yes	No
Max Playback Zoom:	13.6x	15.0x
Top Deck Display:	No	No

Exposure
Maximum ISO (native):	12800	51200
Minimum ISO (native):	125	100
ISO Settings:	Auto, ISO 125 - 12800 with ISO 80 and 100 low extensions, up to 25600 with Multi Frame NR	AUTO, ISO 100 - 51200, expandable to ISO 50 - 204800
Auto ISO Mode:	Yes	Yes
White Balance Settings:	Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm, Cool, Day, Daylight), Flash, Color Temp/Filter, Custom	Auto (with Priority), Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Underwater, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation)
Shutter Speed Range:	1/2000 - 30 sec	1/32000 - 30 sec
Bulb Mode:	Yes	Yes
Exposure Compensation:	+/- 3.0EV in 0.3EV steps	+/- 5.0EV in 0.3EV steps
Metering Modes:	Multi-segment, Center-weighted, Spot	1200-zone Evaluative Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight
Program Auto Exposure:	Yes	Yes
Aperture Priority:	Yes	Yes
Shutter Priority:	Yes	Yes
Full Manual Exposure:	Yes	Yes
Creative Exposure Modes:	Anti Motion Blur, Fireworks, Gourmet, Handheld Twilight, High Sensitivity, Landscape, Macro, Night Portrait, Night Scene, Pet Mode, Portrait, Sports Action, Sunset; DRO (Auto/Level), HDR (Auto/Level), Auto Portrait Framing, Sweep Panorama; Picture Effect(s): Toy Camera, Pop Color, Posterization, Retro Photo, Soft High- key, Partial Color, High Contrast Monochrome, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature, Watercolor, Illustration	Picture Effect: Posterization (Color), Posterization (B/W), Pop Color, Retro Photo, Partial Color (R/G/B/Y), High Contrast Monochrome, Toy Camera (Normal / Cool / Warm / Green / Magenta), Soft High-key; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer:	2, 10, Portrait1, Portrait2 seconds	2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer):
High Resolution Composite:	No	No
Flash
Built-in Flash:	Yes	No
Flash Modes:	Auto, Fill-flash, Slow Sync, Rear Sync, Off	Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100):	n/a	n/a
Flash Range Description:	ISO Auto: 1’ to 49’ 2” (0.30m to 15.0m) (W) / 1’ 9” to 18’ 8” (0.55m to 5.7m) (T)	n/a
Max Flash Sync:	1/2000	1/250
Flash Exposure Compensation:	+/- 2.0 EV in 0.3EV steps	+/- 3.0 EV in 0.3EV steps
External Flash Connection:	n/a	Multi Interface Hot Shoe, Sync Terminal
Built-In Wireless Flash Control:		No
Image Storage
Usable Memory Types:	MS Duo / MS PRO Duo / SD / SDHC / SDXC	MS PRO Duo / SD / SDHC / SDXC
UHS Support:	UHS-I	UHS-II
Other Memory:		Slot1:SD UHS-II; 2:MS/SD UHS-I
Dual Card Slots:	No	Yes
RAW Capture Support:	Yes	Yes
Uncompressed Format:	RAW (ARW 2.3), RAW+JPEG	RAW (14-bit ARW 2.3 compressed or uncompressed), RAW+JPEG
Movie File Format:	XAVC S / AVCHD 2.0 / MPEG-4 AVC (H.264) with LPCM (2ch) / Dolby Digital (AC3) / MPEG-4 AAC-LC audio	XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
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:	No	Yes
Headphone Jack:	No	Yes
External Connections:	USB 2.0 High Speed,WiFi	USB 2.0 High Speed,Ethernet,Bluetooth,WiFi
PictBridge Compliant:	No	No
DPOF Compliant:	Yes	Yes
Remote Control:	Yes	Yes
Remote Control Type:	Optional wired, via Wi-Fi	Optional via IR, USB , Ethernet or Wi-Fi/Bluetooth
Connections (extended):	Micro HDMI (Type D) with 4K stills output, Multi-terminal Micro USB port supports optional wired remote	Multi Micro-B USB 2.0 (with remote support), Type-D Micro HDMI, 100Base-T Ethernet, 3.5mm Microphone and Headphone Jacks, Sync Terminal

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):	<0.3	<0.3
Cycle time for RAW shooting in single shot mode (seconds per frame):	<0.3
Buffer size for RAW shooting in single shot mode (frames):	20
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):	<0.3	<0.3
Camera penalizes early shutter press?	No	No
JPEG shooting speed in burst mode (fps, max resolution):	10.0	20.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):	48	364
RAW shooting speed in burst mode (fps):	6.7	20.0
Buffer size for RAW shooting in burst mode (frames):	26	240
RAW+JPEG shooting speed in burst mode (fps):	6.7	20.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):	23	225
Shutter lag (full AF, wide/mid):	0.15 seconds	0.22 seconds
Shutter lag (full AF, tele):	0.15 seconds
Shutter lag (full AF, live view - DSLR):
Shutter lag (prefocused, live view - DSLR):
Shutter Lag (manual focus):	0.051 seconds	0.097 seconds
Shutter lag (full AF, with flash):	0.32 seconds
Shutter Lag (prefocused):	0.011 seconds	0.020 seconds
Shutter Lag (notes):
Startup Time:	2.0 seconds	1.2 seconds
Play -> Record Time:	0.8 seconds	1.0 seconds
Flash cycle time, full power:	3.6 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):	320 shots	650 shots
Battery Life, Still (CIPA Rating OVF/EVF):	230 shots	480 shots
Battery Life, Video:		105 minutes
Battery Form Factor:	Proprietary NP-BX1	Proprietary
Usable Battery Types:	Lithium-ion rechargeable	NP-FZ100 Lithium-ion rechargeable
Batteries Included:	1 x Proprietary NP-BX1 Lithium-ion rechargeable	1 x Proprietary NP-FZ100 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter):	Yes	Yes
Dedicated Battery Charger Included:	No	Yes
Internal Charging Supported:	Yes	Yes
Software
Included Software:		Capture One Express (for Sony) free download
OS Compatibility:
Miscellaneous
Notes & Features:	Wide-angle 24-70mm eq. f/1.8-2.8 Zeiss lens with world's first two joined glass mold aspherics; 5-axis Optical Steadyshot; Built-in ND filter; BIONZ X processor; Pop-up SVGA OLED EVF; 180-degree tilting LCD, also 45 degrees downward; 1080p60 Full pixel readout of sensor with no line skipping; 720p120 capture; HDMI clean output; PlayMemories Camera Apps; Built-in Wi-Fi with NFC.