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Sony A9 vs Sony A7RII – Comparison

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Here is a quick comparison for the Sony A9 vs Sony A7RII mirrorless cameras with full-frame image sensors.

Sony has updated the a7 series with a new sensor, faster burst-shooting capability, blackout-free electronic viewfinder, dual card slots, and other enhancements. This makes the Sony A9 an ideal camera for sports, wildlife, action, and even news photography.

The price of Sony Alpha a9 is almost $2,000 more than the A7rII. The A9 costs $4500 while the A7RII is currently seeling for $2,698.

If you’re looking to upgrade to a mirrorless camera with full frame sensor, the Sony A9 vs Sony A7RII comparison covers all the important specifications of each camera.

Differences between the Sony A9 vs Sony A7RII

Differences between the Sony A9 vs Sony A7RII

So what may be the main differences when consider their specs list? Let’s have a brief look at the main features of Sony A9 vs Sony A7RII. Some differences like sensor, image size, shooting speed, lcd size etc.. detailed as bold on the table.

Feature Sony A9 Sony A7RII
Effective Pixels (megapixels) 24 megapixels 42.3 megapixels
Sensor Type / Size CMOS, 36 x 24 mm CMOS, 36 x 24 mm
Sensor Pixel Size ~5.93 microns ~4.5 microns
Image Size 6000 x 4000 7952 x 5304
Image Processor BIONZ X BIONZ X
Image Stabilization 5-Axis sensor shift 5-Axis sensor shift
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
Built-in Flash No No
Storage Media Slot1:SD UHS-II; 2:MS/SD UHS-I 1 slot. MS PRO Duo / SD / SDHC / SDXC UHS-I
Continuous Shooting Speed 20 fps with AF/AE 5fps
Buffer Size (RAW) 241 images 23
Buffer Size (JPEG) 362 images 23
Max Shutter Speed 30 – 1/32000 1/8000 to 30 sec
Base ISO ISO 100 ISO 100
Native ISO Sensitivity ISO 100-51,200 100-25,600
Boosted ISO Sensitivity ISO 50 – 204800 ISO 50 – 102400
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
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
LCD Size 3.0″ Rear Articulating LCD 3″ Rear Screen Tilting  LCD
LCD Resolution 1,440,000 dots (360,000 px) 1,228,800 dots
LCD Touchscreen Yes No
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 340 shots
USB Version 3.0 3.0
Weight 23.7 oz (673 g)
includes batteries
22.6 oz (640 g)
includes batteries
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 $4,500.00 (as introduced) $2,698 (current)

Size Comparison of Sony A9 vs Sony A7RII

CameraSize has already add Sony Alpha a9 to their database. So let’s see the size comparison of Sony A9 vs Sony A7RII cameras. Both cameras are similar in body shape.

Conclusion

The Sony A9 is more expensive than the A7RII. This massive camera is not a megapixel monster but has many advanced features for professionals.

The Alpha a9 offers 20 fps blackout-free burst shooting with uninterrupted viewing and AF/AE tracking. A larger buffer allows up to 241 compressed RAW images or 362 JPEG images to be captured in one continuous burst. Additionally, 693 phase detection AF points covering 93% of the frame track even the most erratic and fastest-moving subjects across the frame. Its native ISO range is also better than the A7RII.

Obviously we are confronted with two different segments of equipment. If you want a model that has a high resolution sensor and can record 4K video but can not go at very high speeds as an AF system. The Sony A7RII will satisfy you at the current price range.

But if you’re shooting photos of action and wildlife, then the Sony A9 stands out in every way. Of course, we will also remind you that this speed and advanced features are a price.