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
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.
