Sony A9 vs Sony A7RII Comparison


Here is the quick overview and detailed specifications comparison of Sony a9 vs Sony a7RII. You can take a look at the key differences between Sony a9 ($4,498) and Sony a7RII ($2,698) full frame E mount mirrorless cameras.

Let’s have a brief look at the key features of Sony a9 and Sony a7RII before getting into our more detailed comparison. Join Sony Alpha a9 Facebook Group or follow Sony A9 facebook page to get the latest Sony a9 news in time!

Sony A9 Key Features:

  • 24.2MP Full-Frame Stacked CMOS Sensor
  • BIONZ X Image Processor & Front-End LSI
  • 693-Point AF System & 20 fps Shooting
  • Blackout-Free Quad-VGA 3.7m-Dot OLED EVF
  • Internal UHD 4K Video Recording
  • 5-Axis SteadyShot INSIDE Stabilization
  • 3.0″ 1.44m-Dot Tilting Touchscreen LCD
  • ISO 204,800, Silent Electronic Shutter
  • Built-In Wi-Fi/Bluetooth, Dual SD Slots
  • Integrated LAN and PC Sync Terminals

Sony A7RII Key Features:

  • 42MP Full-Frame Exmor R BSI CMOS Sensor
  • BIONZ X Image Processor
  • Internal UHD 4K Video & S-Log2 Gamma
  • 5-Axis SteadyShot INSIDE Stabilization
  • 399 Phase-Detect AF Points & 5 fps Burst
  • 0.5″ 2.36M-Dot XGA OLED Tru-Finder EVF
  • 3.0″ 1,228.8k-Dot Tilting LCD Monitor
  • ISO 102,400 and Silent Shutter Mode
  • Durable Reduced-Vibration Shutter Design
  • Built-In Wi-Fi Connectivity with NFC

Sony A9 vs Sony A7RII Detailed Specifications Comparison

Features Sony A9 Sony A7RII
Announced Apr 19, 2017 Jun 10, 2015
Effective pixels 24MP 42MP
Max resolution 6000 x 4000 7952 x 5304
Sensor Size Full frame (35.6 x 23.8 mm) Full frame (35.9 x 24 mm)
Sensor Pixel Size ~5.93 microns ~4.5 microns
Image Processor BIONZ X BIONZ X
Native ISO Sensitivity ISO 100-51,200 100-25,600
Boosted ISO Sensitivity ISO 50 – 204800 ISO 50 – 102400
Image Stabilization 5-Axis sensor shift 5-Axis sensor shift
Autofocus System Fast Hybrid AF: Wide (693 points (phase-detection AF), 25 points (contrast-detection AF) Fast Hybrid AF with 399 focal plane phase detect points and 25 contrast detect AF points
Number of focus points 693 399
LCD Size 3″ 3″
LCD Resolution 1,440,000 dots (360,000 px) 1,228,800 dots
LCD Touchscreen Yes No
Viewfinder Type EVF / LCD EVF / LCD
Viewfinder Magnification EVF: 1.3cm (0.5-inch) 2.4M-dot XGA color OLED, 100% coverage, 0.78x magnification EVF: 1.3cm (0.5-inch) 2.4M-dot XGA color OLED, 100% coverage, 0.78x magnification
Viewfinder resolution 3,686,400 2,359,296
Minimum shutter speed 30 sec 30 sec
Maximum shutter speed 1/8000 sec 1/8000 sec
Maximum shutter speed (electronic) 1/32000 sec
Built-in Flash No No
External flash Yes (via hot shoe or flash sync port) Yes (via hot shoe)
Flash X sync speed 1/250 sec 1/250 sec
Continuous Shooting Speed 20 fps with AF/AE 5fps
Storage types Dual SD/SDHC/SDXC slots (UHS-II compatible) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Buffer Size (RAW) 241 images 23
Buffer Size (JPEG) 362 images 23
Video Output XAVC S / AVCHD 2.0 / MP4 XAVC S / AVCHD 2.0 / MP4
Video Maximum Resolution 4K (3840 x 2160) at 30p 4K (3840 x 2160) at 30p
Built-in GPS No No
Wi-Fi / NFC Wifi, NFC, Bluetooth Wifi, NFC, No Bluetooth
Battery NP-FZ100 NP-FW50
Battery Life 650 shots, 105 minutes video footage 290 shots
USB Version USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
Weight 673 g (1.48 lb / 23.74 oz) 625 g (1.38 lb / 22.05 oz)
Dimensions 5.0 x 3.8 x 2.5 in.
(127 x 96 x 63 mm)
5.0 x 3.8 x 2.4 in.
(127 x 96 x 60 mm)
Price $4,498 (as introduced) $2,698 (current)

The new Sony A9 camera and FE 100-400mm f/4.5-5.6 GM OSS lens are now available for pre-order:

Sony a9 body: $4,498 at Amazon, B&H, Adorama.

Sony FE 100-400mm f/4.5-5.6 GM OSS Lens: $2,498 at Amazon, B&H, Adorama.

The Latest Sony Deals: Save up to $400 on Sony Cameras and Lenses.