Sony A7 III with Sony A9 Comparison

Sony A7 III and Sony A9 Main Features

  • February, 2018
  • April, 2017
  • 24 MP Full frame BSI-CMOS Sensor
  • 24 MP Full frame BSI-CMOS Sensor
  • 100 - 51200 ISO
  • 100 - 51200 ISO
  • 5-axis Sensor-shift Image Stabilization
  • 5-axis Sensor-shift Image Stabilization
  • 3" Tilting Screen
  • 3" Tilting Screen
  • Electronic Viewfinder
  • Electronic Viewfinder
  • 2359k dot Electronic viewfinder
  • 3686k dot Electronic viewfinder
  • 10.0 fps continuous shooting
  • 20.0 fps continuous shooting
  • 4K 3840 x 2160 video resolution
  • 4K 3840 x 2160 video resolution
  • Built-In Wireless
  • Built-In Wireless
  • 127 x 96 x 74 mm, 650g.
  • 127 x 96 x 63 mm, 673g.
  • Price Category:
  • Price Category:

Sony A7 III Scores


Imaging score
81
Features score
93
Value for money score
100
Portability score
77
Overall score
92

Sony A9 Scores


Imaging score
78
Features score
92
Value for money score
92
Portability score
78
Overall score
90

Sony Alpha A9 with Sony Alpha A7 III Overview


Let's compare Alpha A7 III with Alpha A9. Both cameras produced Sony. These models are included in the Pro Mirrorless cameras. Sony A7 III was released in 2018, and Sony A9 in 2017. Alpha A7 III is newer, which is a plus. Alpha A9 1 years older. However 1 years, the difference is not so bad.
These two cameras have the same sensor resolution - 24 MP. The more megapixels the camera has, the more detailed and clear the picture will be. The number of megapixels will also affect the maximum size of the photos, which then can be printed without loss of quality.
The minimum ISO value for these cameras is the same and is . A larger maximum ISO allows you to take good pictures in the dark. The maximum ISO value for these cameras is the same and is . Both cameras have 5-axis Sensor-shift image stabilization. Both cameras feature a 3-inch tilting screen.
Both cameras have a electronic viewfinder. Viewfinder Alpha A9 has a higher resolution of 3686k dots, Alpha A7 III has a resolution of 2359k dots. Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Sony Alpha A7 III has 20.0 fps continuous shooting. Sony Alpha A7 III has 20.0 fps continuous shooting.

General Alpha A7 III Alpha A9
Brand Sony Sony
Model Alpha A7 III Alpha A9
Announced February, 2018 April, 2017
Body Type SLR-style mirrorless SLR-style mirrorless
Lens
Lens Mount Sony E Sony E
Manual Focus
Focal Lens Multiplier 1 1
Number of Lenses 116 116
Macro Focus Range n/a n/a
Screen
Screen Size 3" 3"
Screen Type Tilting Tilting
Screen Resolution 922k pixels 1440k pixels
Touch Screen
Live View
Viewfinder
Viewfinder Electronic Electronic
Viewfinder Resolution 2359
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.78 0.78
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 693 693
Number of Cross Focus Points 0 0
Photography Features
RAW Support
Min Shutter Speed 1/30 sec 1/30 sec
Max Shutter Speed 1/8000 sec 1/8000 sec
Continuous Shooting 10.0 fps 20.0 fps
Shutter Priority
Aperture Priority
Manual Exposure Mode
Exposure Compensation
Custom White Balance
Image Stabilization
Built-in Flash
Flash Range no built-in flash no built-in flash
Flash Modes no built-in flash Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync
External Flash
AE Bracketing
AE Bracketing Range ±5 EV ±5 EV
WB Bracketing
Sensor
Sensor Size Full frame Full frame
Sensor Type BSI-CMOS BSI-CMOS
Sensor Dimensions 35.6 x 23.8 mm 35.6 x 23.8 mm
Sensor Area 847.3 mm² 847.3 mm²
Sensor Resolution 24 MP 24 MP
Max Image Resolution 6000 x 4000 6000 x 4000
Max Native ISO 51200 51200
Min Native ISO 100 100
Max Boosted ISO 204800 204800
Min Boosted ISO 50 50
Video Features
4K
Max Video Resolution 3840 x 2160 3840 x 2160
Video Formats MPEG-4, AVCHD, XAVC S, H.264 MPEG-4, AVCHD, H.264
Timelapse Recording
Microphone Port
Headphone Port
Exposure Modes
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
Connectivity
GPS None None
Wireless Connectivity Built-In Built-In
Bluetooth
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
Battery
Battery Life 610 shots 650 shots
Battery Type Battery Pack Battery Pack
Battery Model NP-FZ100 NP-FZ100
Physical
Weight 650 g 673 g
Physical Dimensions 127 x 96 x 74 mm 127 x 96 x 63 mm
Environmental Sealing
Water Proof
Dust Proof
Shock Proof
Crush Proof
Freeze Proof
Shock Proof
Storage
Storage Type SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo Dual SD/SDHC/SDXC slots (UHS-II compatible)
Storage Slots 2 2
Other Features
Self Timer
Selfie Friendly

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