Sony A77 II vs Sony RX100 IV Specifications

APS-C 366.6mm²
24.3 megapixels
ISO 100 - 25,600

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See real-world photos taken with the A77 II.
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What’s the bottom line? Read our Sony A77 II conclusion.

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

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

Detailed specifications
Sony Alpha ILCA-A77 II
Sony Cyber-shot DSC-RX100 IV

Links
Prices:	Compare Prices	Compare Prices
Manufacturer URL:	Manufacturer website	Manufacturer website
Predecessor:	Sony A77 A77 vs A77 II	Sony RX100 III RX100 III vs RX100 IV
Successor:		Sony RX100 V RX100 IV vs RX100 V
General
Model Number:	A77 II	RX100 IV
Alternate Model Number(s):	ILCA-77M2	DSC-RX100M4
Camera Format:	SLR	Compact
Currently Manufactured:	Yes	Yes
Retail Price:	$1799.99	$1000.00
Street Price:	$1,198.00	$898.00
Date Available:	2014-06-15	2015-07-15
Tripod Mount:	Yes	Yes
Weight:	47.7 oz (1,351 g) includes batteries, kit lens	10.4 oz (295 g) includes batteries
Size:	5.6 x 4.1 x 3.2 in. (143 x 104 x 81 mm)	4.0 x 2.3 x 1.6 in. (102 x 58 x 41 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	CMOS	CMOS
Sensor Manufacturer:	Sony	Sony Exmor RS
Effective Megapixels:	24.3	20.1
Sensor Format:	APS-C	1 inch
Sensor size:	366.6mm² (23.50mm x 15.60mm)	116.16mm² (13.20mm x 8.80mm)
Approximate Pixel Pitch:	3.92 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:	Yes	No
On-Sensor Phase Detect:	No	No
DxO Sensor Score:		70
DxO Color Depth Score (bits):		22.9
DxO Dynamic Range Score (evs):		12.6
DxO Maximum Effective ISO Score (iso):		562
Image Capture
Image Resolution:	6000 x 4000 (24.0 MP, 3:2), 6000 x 3376 (20.3 MP, 16:9), 4240 x 2832 (12.0 MP, 3:2), 4240 x 2400 (10.2 MP, Other), 3008 x 2000 (6.0 MP, 3:2), 3008 x 1688 (5.1 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)	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)
Image File Format:	JPEG (EXIF 2.3), 12-bit RAW (ARW 2.3), RAW+JPEG	JPEG, RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second:	11.5	16.0
Video Capture
Can take movies:	Yes	Yes
Movie Resolution:	1920x1080 (60p/28Mbps/PS or 60i/24Mbps/FX or 60i/17Mbps/FH or 24p/24Mbps/FX or 24p/17Mbps/FH) 1440x1080 (30p/12Mbps) 640x480 (30p/3Mbps)	3840x2160 (30p/25p/24p) 1920x1080 (120p/100p/60p/60i/50p/50i/24p) 1280x720 (30p/25p) 1824x1026 (250p/240p) 1676x566 (500p/480p/250p/240p) 1136x384 (1000p/960p/500p/480p) 800x270 (1000p/960p)
Movie File Format:	AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC	XAVC S 4K / XAVC S HD / AVCHD Ver.2.0 / MP4; with LPCM (2ch) / Dolby Digital (AC3) / MPEG-4 AAC-LC audio
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:	Sony Alpha (Minolta A)	n/a
Lens:	Sony 16-50mm f/2.8 DT SSM (SAL1650)	Zeiss Vario-Sonnar T* Lens; 10 elements in 9 groups (9 aspheric elements including AA lens)
Focal Length (35mm equivalent):	24 - 75mm	24 - 70mm
Focal Length (actual):	16 - 50mm	8.8 - 25.7mm
Zoom Ratio:	3.13x	2.92x
Aperture Range:	f/2.8 - f/22 (W/T)	f/1.8 (wide) / f/2.8 (tele) - f/11 with 7 blade aperture, plus built-in 3-stop ND filter
Integrated ND Filter:	No	Yes
Normal Focus Range:	30 cm to Infinity 11.8 in to Infinity	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:	No	Yes
Digital Zoom:	Yes	Yes
Digital Zoom Values:	1.4x / 2x Smart Zoom, 2x Clear Image Zoom	Up to 4x; 2x Clear Image Digital Zoom
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	Phase Detection: 79 points, 15 cross-type, f/2.8 center sensor	Contrast Detection: Wide, Center, Flexible Spot (S/M/L), Expanded Flexble Spot, Lock on AF (Wide/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:	EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter	Pop-up EVF: 0.39-inch, XGA OLED, 2,359,296 dots, 100% coverage, 0.59x magnification, 20mm eye-point (from eyepiece)/ 19.2mm from eyepiece frame; -4.0 to +3.0 m^-1 diopter, ZEISS T* Coating, eye detector
Focus Peaking:	Yes	Yes
EVF Resolution:	2,359,296 dots (786,432 pixels)	2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent):	0.73x	0.59x
Viewfinder Magnification (nominal/claimed):	1.09x	0.22x
Display
Eye-level Viewfinder:	Yes	Yes
Rear Display:	Yes	Yes
Rear Display Size (inches):	3.0	3.0
Rear Display Resolution:	1,229,760 dots (307,200 px)	1,228,800 dots (307,200 px)
Touchscreen:	No	No
Articulating Screen:	Yes	Yes
Tilt Swivel Screen:	Yes	No
Selfie Screen:	Yes	Yes
Max Playback Zoom:	13.6x	13.6x
Top Deck Display:	Yes	No

Exposure
Maximum ISO (native):	25600	12800
Minimum ISO (native):	100	125
ISO Settings:	Auto; 100-25600; 50/64/80 extended; Auto/100-51200 in Mutli-frame NR	Auto, ISO 125 - 12800 with ISO 80 and 100 low extensions, up to 25600 with Multi Frame NR
Auto ISO Mode:	Yes	Yes
White Balance Settings:	Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, Color Temp. 2500 to 9900K, Color Filter G7 to M7 (15-step), Custom 1/2/3	Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm, Cool, Day, Daylight), Flash, Color Temp/Filter, Custom
Shutter Speed Range:	1/8000 - 30 sec	1/32000 - 30 sec
Bulb Mode:	Yes	Yes
Exposure Compensation:	+/- 5.0EV in 0.3EV steps	+/- 3.0EV in 0.3EV steps
Metering Modes:	1200-zone Evaluative, Center-weighted, Spot	Multi-segment, Center-weighted, Spot
Program Auto Exposure:	Yes	Yes
Aperture Priority:	Yes	Yes
Shutter Priority:	Yes	Yes
Full Manual Exposure:	Yes	Yes
Creative Exposure Modes:	Scene Modes: Portrait, SportsAction, Macro, Landscape, Sunset, Night Scene, Hand-held Twilight (6 shot layering), Night Portrait; Picture Effects: Toy Camera (Normal/Cool/Warm/ Green/Magenta), Pop Color, Posterization (color/B/W), Retro Photo, Soft High-key, Partial color (R/G/B/Y), High Contrast Monochrome, Soft Focus (Hi/Mid/Lo), HDR Painting (Hi/Mid/Lo), Rich Tone Monochrome, Miniature (7Setting), Watercolor, Illustration (Hi/Mid/Lo)	Scene modes: Portrait, Sports Action, Macro, Landscape, Sunset, Night Scene, Handheld Twilight, Night Portrait, Anti Motion Blur, Pet Mode, Gourmet, Fireworks, High Sensitivity; DRO (Auto/Level); HDR (Auto/Level); Auto Portrait Framing; Sweep Panorama; HFR Mode; Picture Effects: 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
Self Timer:	2, 10; 3 or 5 frames after 10 seconds	2, 5, 10; 3 or 5 shots after 2, 5, 10; Portrait seconds
Time Lapse (intervalometer):
High Resolution Composite:	No	No
Flash
Built-in Flash:	Yes	Yes
Flash Modes:	Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off	Auto, Fill-flash, Slow Sync, Rear Sync, Off
Flash Guide Number (ISO 100):	12.0 m / 39.4 ft.	n/a
Flash Range Description:	GN=12(m) at ISO 100; Range is lens aperture dependent	Auto ISO: Approx.0.4m to 10.2m (1.31 ft. to 33.46 ft.) (W) / Approx. 0.4 m to 6.5 m (1.31 ft. to 21.33 ft.) (T)
Max Flash Sync:	1/250	1/2000
Flash Exposure Compensation:	+/- 3.0 EV in 0.3EV steps	+/- 2.0 EV in 0.3EV steps
External Flash Connection:	Multi Interface Hot shoe, Sync terminal	n/a
Built-In Wireless Flash Control:	Full TTL exposure
Image Storage
Usable Memory Types:	MS Duo / MS PRO Duo / SD / SDHC / SDXC	MS Duo / 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:	12-bit RAW (ARW 2.3), RAW+JPEG	RAW (ARW 2.3), RAW+JPEG
Movie File Format:	AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC	XAVC S 4K / XAVC S HD / AVCHD Ver.2.0 / MP4; with LPCM (2ch) / Dolby Digital (AC3) / MPEG-4 AAC-LC audio
Included Memory:	No memory included	No memory included
Included Memory Type:
Connectivity
Built-In Wi-Fi:	Yes	Yes
NFC:	Yes	Yes
Bluetooth:	No	No
Built-In GPS:	No	No
Microphone Jack:	Yes	No
Headphone Jack:	No	No
External Connections:	USB 2.0 High Speed,WiFi	USB 2.0 High Speed,WiFi
PictBridge Compliant:	Yes	No
DPOF Compliant:	Yes	Yes
Remote Control:	Yes	Yes
Remote Control Type:	Optional wireless, wired or via Wi-Fi	Optional wired, via Wi-Fi
Connections (extended):	Type-D Micro HDMI; Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input	Micro HDMI (Type D) with 4K support; Multi-terminal Micro USB port supports optional wired remote

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):	0.36	0.62
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):	0.37	0.61
Camera penalizes early shutter press?	No	No
JPEG shooting speed in burst mode (fps, max resolution):	11.5	16.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):	26	40
RAW shooting speed in burst mode (fps):	12.0	8.6
Buffer size for RAW shooting in burst mode (frames):	28	28
RAW+JPEG shooting speed in burst mode (fps):	12.0	8.6
Buffer Size for RAW+JPEG shooting in burst mode (frames):	24	24
Shutter lag (full AF, wide/mid):	0.09 seconds	0.16 seconds
Shutter lag (full AF, tele):		0.23 seconds
Shutter lag (full AF, live view - DSLR):
Shutter lag (prefocused, live view - DSLR):
Shutter Lag (manual focus):	0.095 seconds	0.018 seconds
Shutter lag (full AF, with flash):	0.21 seconds	0.29 seconds
Shutter Lag (prefocused):	0.051 seconds	0.010 seconds
Shutter Lag (notes):
Startup Time:	0.8 seconds	2.1 seconds
Play -> Record Time:	0.9 seconds	0.9 seconds
Flash cycle time, full power:	3.1 seconds	4.5 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):	480 shots	280 shots
Battery Life, Still (CIPA Rating OVF/EVF):	410 shots	230 shots
Battery Life, Video:
Battery Form Factor:	Proprietary NP-FM500H	Proprietary NP-BX1
Usable Battery Types:	Lithium-ion rechargeable	Lithium-ion rechargeable
Batteries Included:	1 x Proprietary NP-FM500H Lithium-ion rechargeable	1 x Proprietary NP-BX1 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:	Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4)
OS Compatibility:	Windows, Mac OS X
Miscellaneous
Notes & Features:	New 79-point phase detection AF system with 15 cross-type sensors, BIONZ X processor, 12fps burst mode with continuous AF, Full HD 60p/24p movies using AVCHD 2.0, clean HDMI output, built-in Wi-Fi with NFC, optional VG-C77AM grip.	Uses the world's first 1.0 type stacked EXMOR RS CMOS sensor with advanced signal processing and integrated DRAM; 4K internal video recording; 40x super slow-mo video; upgraded Fast Intelligent AF; 16fps burst mode, high-speed anti-distortion electronic shutter, pop-up XGA OLED EVF.