Comparisons / Comparison of Sony Alpha ILCA-A77 II and Sony Cyber-shot DSC-RX100 IV

Comparison of Sony Alpha ILCA-A77 II and Sony Cyber-shot DSC-RX100 IV [S]ave

Attribute
Sony Cyber-shot DSC-RX100 IV ×
Sony Alpha ILCA-A77 II ×
General
ModelSony Cyber-shot DSC-RX100 IVSony Alpha ILCA-A77 II
BrandSonySony
Manufacturer urlhttps://www.sony.com/https://www.sony.com/
Model numberRX100 IVA77 II
Alternate model number(s)
  • dsc-rx100m4
  • ilca-77m2
Camera formatCompactSLR
Release year (year)20152014
Tripod mount++
Length (mm)102143
Width (mm)4181
Height (mm)58104
Weight (g)2951,351
Waterproof--
PredecessorSony RX100 IIISony A77
SuccessorSony RX100 V-
Image Sensor
Sensor typeCMOSCMOS
Sensor manufacturerSony Exmor RSSony
Effective megapixels (MP)20.124.3
Sensor format1 inchAPS-C
Sensor area (mm²)116.16366.6
Sensor width (mm)13.223.5
Sensor height (mm)8.815.6
Approximate pixel pitch (micron)2.413.92
Focal Length Multiplier (x)2.71.5
Aspect ratio3:23:2
Color filter typeRGBGRGBG
Anti aliasing filterFixedFixed
Self-cleaning-+
Sensor shift image stabilization-+
On-sensor phase detect--
Dxo sensor score70-
Dxo color depth score (bit)22.9-
Dxo dynamic range score (evs)12.6-
Dxo maximum effective iso score (iso)562-
Image Capture
Image resolution
  • 12416 x 1856(23.0 mp other)
  • 2160 x 3872(8.4 mp other)
  • 2160 x 5536(12.0 mp other)
  • 2592 x 1944(5.0 mp 4:3)
  • 2720 x 1528(4.2 mp 16:9)
  • 2736 x 1824(5.0 mp 3:2)
  • 3648 x 2056(7.5 mp other)
  • 3648 x 2736(10.0 mp 4:3)
  • 3648 x 3648(13.3 mp 1:1)
  • 3888 x 2592(10.1 mp 3:2)
  • 4864 x 3648(17.7 mp 4:3)
  • 5472 x 3080(16.9 mp 16:9)
  • 5472 x 3648(20.0 mp 3:2)
  • 8192 x 1856(15.2 mp other)
  • 12416 x 1856(23.0 mp other)
  • 2160 x 3872(8.4 mp other)
  • 2160 x 5536(12.0 mp other)
  • 3008 x 1688(5.1 mp 16:9)
  • 3008 x 2000(6.0 mp 3:2)
  • 4240 x 2400(10.2 mp other)
  • 4240 x 2832(12.0 mp 3:2)
  • 6000 x 3376(20.3 mp 16:9)
  • 6000 x 4000(24.0 mp 3:2)
  • 8192 x 1856(15.2 mp other)
Image file format
  • jpeg
  • raw (arw 2.3)
  • raw+jpeg
  • 12-bit raw (arw 2.3)
  • jpeg (exif 2.3)
  • raw+jpeg
Continuous-mode (fps)1611.5
Video Capture
Can take movies++
Movie resolution
  • 1136x384
  • 1280x720
  • 1676x566
  • 1824x1026
  • 1920x1080
  • 3840x2160
  • 800x270
  • 1440x1080
  • 1920x1080
  • 640x480
Movie max framerate (fps)1,00060
Image Storage
Movie file formatXAVC S 4K / XAVC S HD / AVCHD Ver.2.0 / MP4; with LPCM (2ch) / Dolby Digital (AC3) / MPEG-4 AAC-LC audioAVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC
Composite video out--
Hd video out++
Hd video connectionHDMIHDMI
Lens and Optics
Lens mount-Sony Alpha (Minolta A)
LensZeiss Vario-Sonnar T* Lens; 10 elements in 9 groups (9 aspheric elements including AA lens)Sony 16-50mm f/2.8 DT SSM (SAL1650)
Focal length (35mm equivalent) (mm)24.00 - 70.0024.00 - 75.00
Focal length (actual) (mm)7.0016.00 - 50.00
Zoom ratio (x)2.923.13
Aperture range (f)0.09 - 0.560.05 - 0.36
Integrated nd filter+-
Min focus range (cm)530
Optical image stabilization+-
Digital zoom++
Digital zoom values (x)
  • 2
  • 4
  • 1.4
  • 2
  • 2
Auto Focus
Auto focus++
Auto focus typeContrast Detection: Wide, Center, Flexible Spot (S/M/L), Expanded Flexble SpotPhase Detection: 79 points, 15 cross-type, f/2.8 center sensor
Auto focus assist light++
Manual focus++
Viewfinder
ViewfinderEVF / LCDEVF / LCD
Viewfinder typePop-up EVF: 0.39-inch, XGA OLED, 2,359,296 dots, 100% coverage, 0.59x magnification, 20mm eye-point (from eyepiece)/ 19EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter
Focus peaking++
Evf resolution (dots)2,359,2962,359,296
Viewfinder magnification (35mm equivalent) (x)0.590.73
Viewfinder magnification (nominal/claimed) (x)0.221.09
Display
Eye-level viewfinder++
Rear display++
Rear display size (inch)33
Rear display resolution (dots)1,228,8001,229,760
Touchscreen--
Articulating screen++
Tilt swivel screen-+
Selfie screen++
Max playback zoom (x)1313
Top deck display-+
Exposure
Maximum iso (native)12,80025,600
Minimum iso (native)125100
Iso settingsAuto, ISO 125 - 12800 with ISO 80 and 100 low extensions, up to 25600 with Multi Frame NRAuto; 100-25600; 50/64/80 extended; Auto/100-51200 in Mutli-frame NR
Auto iso mode++
White balance settings
  • auto
  • cloudy
  • color temp/filter
  • cool
  • custom
  • day
  • daylight
  • daylight)
  • flash
  • fluorescent (warm
  • incandescent
  • shade
  • auto
  • cloudy
  • color filter g7 to m7 (15-step)
  • color temp. 2500 to 9900k
  • custom 1/2/3
  • daylight
  • flash
  • fluorescent (warm white/cool white/day white/daylight)
  • incandescent
  • shade
Shutter speed range (s)1/32000 - 301/8000 - 30
Bulb mode++
Exposure compensation+/- 3.0EV in 0.3EV steps+/- 5.0EV in 0.3EV steps
Explosure metering modesMulti-segment, Center-weighted, Spot1200-zone Evaluative, Center-weighted, Spot
Program auto exposure++
Aperture priority++
Shutter priority++
Full manual exposure++
Creative exposure modesScene modes: Portrait, Sports Action, Macro, Landscape, Sunset, Night Scene, Handheld Twilight, Night Portrait, Anti Motion BlurScene Modes: Portrait, SportsAction, Macro, Landscape, Sunset, Night Scene, Hand-held Twilight (6 shot layering), Night Portrait
Self timer (s)
  • 2
  • 3
  • 5
  • 10
  • 2
  • 3
  • 5
  • 10
High resolution composite--
Flash
Built-in flash++
Flash modes
  • auto
  • fill-flash
  • off
  • rear sync
  • slow sync
  • auto
  • fill-flash
  • high-speed sync (with external flash)
  • off
  • rear sync
  • red-eye reduction: on/off
  • slow sync
  • wireless
Flash guide number (iso 100) (m)-12
Flash range descriptionAuto 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)GN=12(m) at ISO 100; Range is lens aperture dependent
Max flash sync (s)1/20001/250
Flash exposure compensation+/- 2.0 EV in 0.3EV steps+/- 3.0 EV in 0.3EV steps
External flash connection-Multi Interface Hot shoe, Sync terminal
Built-in wireless flash control--
Usable memory types
  • ms duo
  • ms pro duo
  • sd
  • sdhc
  • sdx
  • ms duo
  • ms pro duo
  • sd
  • sdhc
  • sdx
Uhs supportUHS-IUHS-I
Dual card slots--
Raw capture support++
Uncompressed format
  • raw (arw 2.3)
  • raw+jpeg
  • 12-bit raw (arw 2.3)
  • raw+jpeg
Connectivity
Built-in wi-fi++
NFC++
Bluetooth--
Built-in gps--
1↑Microphone jack-+
Headphone jack--
External connections
  • usb 2.0 high speed
  • wifi
  • usb 2.0 high speed
  • wifi
Pictbridge compliant-+
Dpof compliant++
Remote control++
Remote control type
  • optional wired
  • via wi-fi
  • optional wireless
  • wired or via wi-fi
Connections (extended)
  • micro hdmi (type d) with 4k support
  • multi-terminal micro usb port supports optional wired remote
  • 3.5mm external stereo micophone jack
  • dc input
  • type-d micro hdmi
  • wired remote terminal
Performance Timing
Max cycle time for jpeg shooting (s/frame)0.620.36
Max cycle time for raw plus jpeg shooting (s/frame)0.610.37
Camera penalizes early shutter press--
Jpeg shooting speed in burst mode (max resolution) (fps)1611.5
Buffer size for jpeg shooting in burst mode (max resolution) (frames)4026
Raw shooting speed in burst mode (fps)8.612
Buffer size for raw shooting in burst mode (frames)2828
Raw plus jpeg shooting speed in burst mode (fps)8.612
Buffer size for raw plus jpeg shooting in burst mode (frames)2424
Shutter lag (full af, wide/mid) (s)0.160.09
Shutter lag (full af, tele) (s)0.23-
Shutter lag (manual focus) (s)0.020.1
Shutter lag (full af, with flash) (s)0.290.21
Shutter lag (prefocused) (s)0.010.05
Startup time (s)2.10.8
Play -> record time (s)0.90.9
Flash cycle time, full power (s)4.53.1
Power
Battery life, stills (cipa rating monitor/live view) (shots)280480
Battery life, still (cipa rating ovf/evf) (shots)230410
Battery form factorProprietary NP-BX1Proprietary NP-FM500H
Usable battery types
  • lithium-ion rechargeable
  • lithium-ion rechargeable
Batteries included1 x Proprietary NP-BX1 Lithium-ion rechargeable1 x Proprietary NP-FM500H Lithium-ion rechargeable
Battery charger included (dedicated charger or ac/usb adapter)++
Dedicated battery charger included-+
Internal charging supported+-
Software
Included software-
  • image data converter 4)
  • software cd-rom (includes picture motion browser
Os compatibility-
  • mac os x
  • windows
Miscellaneous
Notes and featuresUses the world's first 1.0 type stacked EXMOR RS CMOS sensor with advanced signal processing and integrated DRAMNew 79-point phase detection AF system with 15 cross-type sensors, BIONZ X processor, 12fps burst mode with continuous AF



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