Sony Alpha 9 Compared to the Sony Alpha 7R II

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Specifications	Sony Alpha 9	Sony Alpha 7R II

Year Introduced	2017	2015
Megapixels	24.2	42.4
Total Pixels	28.3	43.6
Sensor Size	35.6 ×23.8mm	35.9 x 24.0mm
Pixel Dimensions	6000 x 4000	7952 x 5304
Pixel Size	5.93µm	4.50µm
Diffraction-Limited Aperture	f/9.6	f/7.2
Sensor Readout Speed (ms)
Sensor Stabilization	Y	Y
Lens Mount	Sony E-mount	Sony E-mount
FOVCF	1.0x	1.0x
Image Processor	BIONZ X	BIONZ X

Autofocus
Type	Fast Hybrid AF(phase-detection AF/contrast-detection AF)	Fast Hybrid AF (phase-detection AF/contrast-detection AF)
Points	693 points (phase-detection AF), APS-C mode with FF lens: 299 points (phase-detection AF), with APS-C lens: 221 points (phase-detection AF) / 25 points (contrast-detection AF)	35 mm full frame: 399 points (phase-detection AF) APS-C: 357 points (phase-detection AF)/25 points (contrast-detection AF)
Working Range	EV -3 – 20 (ISO 100 equivalent with F2.0 lens attached)	EV -2 – 20 (ISO 100 equivalent with F2.0 lens attached)
Point Selection	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)	Wide (399 points [phase-detection AF], 25 points [contrast-detection AF])/Zone/Center/Flexible Spot (S/M/L/Expand Flexible Spot/Lock-on AF (Wide/Zone/Center/Flexible Spot [S/M/L]/Expand Flexible Spot)
Microadjustment	Yes	Yes
Touch & Drag AF
Eye Detection AF
Focus Bracketing/Stacking

Exposure Control
Metering Modes	1200-zone evaluative metering (Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight)	Multi-segment, Center-weighted, Spot
Metering Range	EV -3 – 20 (at ISO100 equivalent with F2.0 lens attached)	EV -3 – 20 (at ISO100 equivalent with F2.0 lens attached)
Exposure Comp	+/- 5.0EV(1/3 EV, 1/2 EV steps selectable), (with exposure compensation dial: +/- 3EV (1/3 EV steps))	+/- 5.0 EV (1/3 EV, 1/2 EV steps selectable) (with exposure compensation dial: +/- 3 EV [1/3 EV or 1/2 EV steps])
AEB	Bracket: Cont., Bracket: Single, 3/5/9 frames selectable. With 3 or 5 frames, in 1/3, 1/2, 2/3, 1.0, 2.0, or 3.0 EV increments, with 9 frames, in 1/3, 1/2, 2/3, or 1.0 EV increments.	Bracket: Cont., Bracket: Single, 3/5/9 frames selectable. With 3 or 5 frames, in 1/3, 1/2, 2/3, 1.0, 2.0, or 3.0 EV increments, with 9 frames, in 1/3, 1/2, 2/3, or 1.0 EV increments.
Light Flicker Mode
Intervalometer
ISO Sensitivity	[Still images] Mechanical Shutter: ISO 100-51200 (ISO numbers up from ISO 50 to ISO 204800 can be set as expanded ISO range), AUTO (ISO 100-6400, selectable lower limit and upper limit), Electronic Shutter: ISO 100-25600 (ISO numbers up from ISO 50 can be set as expanded ISO range), AUTO (ISO 100-6400, selectable lower limit and upper limit), [Movies] ISO 100-51200 equivalent (ISO numbers up to ISO 102400 can be set as expanded ISO range), AUTO (ISO 100-6400, selectable lower limit and upper limit)	Still images: ISO 100–25600 (expandable to ISO 50–102400 for shooting still images), AUTO (ISO 100–6400, selectable lower limit and upper limit), Movies: ISO 100–25600 equivalent, AUTO (ISO 100–6400 equivalent, selectable lower limit and upper limit)
Shutter Speed	[Still images, Single shot], Mechanical Shutter:1/8000 to 30 sec, Bulb, AUTO: 1/32000 to 30 sec, Bulb, Electronic Shutter: 1/32000 to 30 sec, [Still images, Continuous shooting], Mechanical Shutter:1/8000 to 30 sec, AUTO: 1/32000	30 - 1/8000 sec, Bulb

Viewfinder
Type	0.5" (1.3 cm) electronic, Quad-VGA OLED, 3,686,400 dots	0.5" (1.3 cm) electronic, XGA OLED
Coverage	Approx. 100%	Approx. 100%
Magnification	Approx. 0.78x	Approx. 0.78x
Eyepoint	Approx. 23mm	Approx. 23mm
Information	Digital Level Gauge, Display All Info, For viewfinder, Graphic Display, Histogram, No Disp. Info	Graphic Display, Display All Info, No Display Info, Digital Level Gauge, Histogram
DOF Preview	Yes (via Setting Effect)	Yes (via Setting Effect)

LCD
Type	2.95" (7.5cm) TFT, Tilting, approx. 1,440,000 dots	2.95" (7.5cm) TFT, Tilting, approx. 1,228,800 dots
Coating
Brightness Adj	Manual (5 steps between -2 and +2), Sunny Weather mode	Manual (5 steps between -2 and +2), Sunny Weather mode
Display Options	Graphic Display, Display All Info., No Disp. Info., Histogram, Digital Level Gauge, Shooting information for viewfinder mode, Focus Peaking (Level setting: High/Mid/Low/Off, Color: White/Red/Yellow), Zebras (selectable level + range or lower limit as custom setting)	Graphic Display / Display All Info. / No Disp. Info. / Histogram / Digital Level Gauge / Shooting information for viewfinder mode

Flash
Built-in GN	N/A (ISO 100, meters)	N/A (ISO 100, meters)
Built-in Coverage	N/A	N/A
Built-in Recycle Time	N/A	N/A
Modes	Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction (on/off selectable), Wireless, Hi-speed sync	Off, Auto, Fill-flash, Rear Sync., Slow Sync., Red-eye reduction, Hi-speed sync, Wireless
X-Sync	1/250 s	1/250 s
Exposure Compensation	+/- 3.0 EV (switchable between 1/3 and 1/2 EV steps)	+/- 3EV (switchable between 1/3 and 1/2 EV steps)
Hot Shoe/PC Terminal	Yes / Yes	Yes / Yes
External Flash Comp	Sony α System Flash	Sony α System Flash

Shooting
Shooting Modes	AUTO (iAuto), Programmed AE, Aperture priority, Shutter-speed priority, Manual, Movie, Slow & Quick Motion	Aperture Priority, Auto, Intelligent Auto, Manual, Movie, Programmed Auto, Scene Selection, Shutter Priority, Superior Auto, Sweep Panorama
Picture Styles	Standard, Vivid, Neutral, Clear, Deep, Light, Portrait, Landscape, Sunset, Night Scene, Autumn leaves, Black & White, Sepia,Style Box(1-6), (Contrast (-3 to +3 steps), Saturation (-3 to +3 steps), Sharpness (-3 to +3 steps))	Standard/Vivid/Neutral/Clear/Deep/Light/Portrait/ Landscape/Sunset/Night Scene/Autumn leaves/Black & White/Sepia/Style Box
Image Processing	Peripheral Shading, Chromatic Aberration, Distortion Long exposure NR: On/Off, available at shutter speeds longer than 1 sec., High ISO NR: Normal/Low/Off	Peripheral Shading, Chromatic Aberration, & Distortion Correction Long exposure, High ISO & Multi Frame NR (Noise Reduction)
Abberration Corrections
Drive Modes	Single Shooting, Continuous shooting (Hi/Mid/Lo selectable), Self-timer, Self-timer (Cont.), Bracket: Single, Bracket: Cont., White Balance bracket, DRO bracket	Single shooting, Continuous shooting, Self-timer, Self-timer (Continuous), Bracketing (Continuous, Single, White Balance, Dynamic Range Optimizer)
Continuous Shooting	AUTO/Electronic Shutter: Continuous shooting: Hi: max. 20 fps, Mid: max. 10fps, Lo: max. 5 fps, Mechanical Shutter: Continuous shooting: Hi: max. 5 fps, Mid: max. 5fps, Lo: max. 2.5 fps	Max. approx. 5fps up to 23 frames RAW / 24 frames JPEG Extra Fine L
Shutter Lag	20ms	20ms
Viewfinder Blackout	N/A	N/A

Live View
FrameRate
Focusing	AF-S (Single-shot AF), AF-C ( Continuous AF), DMF (Direct Manual Focus), Manual Focus	AF-A (Automatic AF), AF-S (Single-shot AF), AF-C ( Continuous AF), DMF (Direct Manual Focus), Manual Focus
Metering	Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight	Real-time evaluative metering with image sensor Multi-segment, Center-weighted, Spot
Display Options	Graphic Display, Display All Info, No Display Info, Digital Level Gauge, Histogram	Graphic Display / Display All Info. / No Disp. Info. / Histogram / Digital Level Gauge / Shooting information for viewfinder mode

File Information
Still ImageType	JPEG (DCF Ver. 2.0, Exif Ver.2.3, MPF Baseline compliant), RAW (Sony ARW 2.3 format) (1/2 or 1/3 stop increments), Bulb (Total shutter speed range. Available range varies by shooting mode)	JPEG (DCF Ver. 2.0, Exif Ver.2.3, MPF Baseline compliant), RAW (Sony ARW 2.3 format) (1/2 or 1/3 stop increments), Bulb (Total shutter speed range. Available range varies by shooting mode)
Image Size	[3:2] Full Frame L: 6000 x 4000 (24M), M: 3936 x 2624 (10M), S: 3008 x 2000 (6.0M), APS-C L: 3936 x 2624 (10M), M: 3008 x 2000 (6.0M), S: 1968 x 1312 (2.6M) [16:9] Full Frame L: 6000 x 3376 (20M), M: 3936 x 2216 (8.7M), S: 3008 x 1688 (5.1M), APS-C L: 3936 x 2216 (8.7M), M: 3008 x 1688 (5.1M), S: 1968 x 1112 (2.2M)	3:2 Ratio: L: 7,952 x 5,304 (42M), M: 5,168 x 3,448 (18M), S: 3,984 x 2,656 (11M), APS-C L: 5,168 x 3,448 (18M), M: 3,984 x 2,656 (11M), S: 2,592 x 1,728 (4.5M) 16:9 Ratio: L: 7,952 x 4,472 (36M), M: 5,168 x 2,912 (15M), S: 3,984 x 2,240 (8.9M), APS-C L: 5,168 x 2,912 (15M), M: 3,984 x 2,240 (8.9M), S: 2,592 x 1,456 (3.8M) Panorama: Wide: Horizontal 12416 x 1856 (23M), vertical 5536 x 2160 (12M), Standard: Horizontal 8192 x 1856 (15M), vertical 3872 x 2160 (8.4M)
Movie Type	XAVC S:MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264, MP4: MPEG-4 AVC/H.264	XAVC S:MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264, MP4: MPEG-4 AVC/H.264
Movie Size	NTSC: XAVC S 4K: 3840 x 2160 (30p/100 Mbps, 30p/60 Mbps, 24p/100 Mbps, 24p/60 Mbps), XAVC S HD: 1920 x 1080 (60p/50 Mbps, 30p/50 Mbps, 24p/50 Mbps), 1280 x 720 (120p/50 Mbps), AVCHD: 1920 x 1080 (60p/28 Mbps/PS, 60i/24 Mbps/FX, 60i/17 Mbps/FH, 24p/24 Mbps/FX, 24p/17 Mbps/FH), MP4: 1920 x 1080 (60p/28 Mbps, 30p/16 Mbps), 1280 x 720 (30p/6 Mbps) [comparable PAL settings available]	NTSC: XAVC S 4K: 3840 x 2160 (30p/100 Mbps, 30p/60 Mbps, 24p/100 Mbps, 24p/60 Mbps), XAVC S HD: 1920 x 1080 (60p/50 Mbps, 30p/50 Mbps, 24p/50 Mbps), 1280 x 720 (120p/50 Mbps), AVCHD: 1920 x 1080 (60p/28 Mbps/PS, 60i/24 Mbps/FX, 60i/17 Mbps/FH, 24p/24 Mbps/FX, 24p/17 Mbps/FH), MP4: 1920 x 1080 (60p/28 Mbps, 30p/16 Mbps), 1280 x 720 (30p/6 Mbps) [comparable PAL settings available]
Movie Length	Max duration approx. 29min	Max duration approx. 29min

Other Information
Wireless Features	Built-in Wi-Fi, NFC and Bluetooth	Built-in Wi-Fi and NFC
GPS	Can be synchronized with connected mobile device
Custom Functions		43 Custom Functions
LCD Panel / Illumination	No / No	No / No
Water & Dust Resistance	Yes	Yes
Sound Memo	No	No

Interface
Computer Interface	Hi-Speed USB (Micro USB connector)	Hi-Speed USB (Micro USB connector)
Other Interface	HDMI micro connector (Type-D) out, External Microphone In / Line In (Stereo mini jack), Headphone socket (Stereo mini jack)	HDMI micro out, External Microphone In / Line In (Stereo mini jack), Headphone socket (Stereo mini jack)

Memory
Memory Type	Memory Stick PRO HG-Duo, Memory Stick PRO Duo (High Speed), SD/SDHC/SDXC	Memory Stick PRO HG-Duo, Memory Stick PRO Duo (High Speed), SD/SDHC/SDXC

Batteries & Power
Battery	Rechargeable Battery Pack NP-FZ100	Rechargeable Battery Pack NP-FW50
Battery Life	Approx. 480 shots (Viewfinder) / approx. 650 shots (LCD monitor)	Approx. 290 shots (viewfinder)/approx. 340 shots (LCD screen)
Power Supply Battery Chargers	AC-UUD12 AC Adapter, BC-QZ1 Battery Charger	AC-UUD11 AC Battery Charging Adapter, BC-VW1 AC Charger

Physical Specs
Body Materials	Magnesium Alloy body covers	Magnesium Alloy body covers
Shutter Durability Rating	500,000	500,000
Operating Environment	32–104°F / 0–40°C	32–104°F / 0–40°C
Dimensions Inches	5.0 x 3.8 x 2.5" (126.9 x 95.6 x 63.0mm)	5.0 x 3.8 x 2.4" (126.9 × 95.7 x 60.3mm)
CIPA Weight	23.7 oz (673g)	22.0 oz (625g)

Accessories
Viewfinder	FDA-EP18 Eyepiece Cup	Eyepiece Cup, FDA-A1AM Angle Finder
Wireless File Transmitter	Built in	Built in
Compatible Lenses	Sony E-Mount	Sony E-Mount
Battery Grip	VG-C3EM Buy ►	VGC2EM Buy ►
Remote	Sony Remote Control with Multi-terminal cable, Compatible infrared remote	Sony Remote Control with Multi-terminal cable, Compatible infrared remote
Other

Review	Sony Alpha 9	Sony Alpha 7R II

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