Sony Alpha A7R IV with Sony Alpha A9 Overview
Let's compare Alpha A9 with Alpha A7R IV. Both cameras produced
Sony.
These models are included in the Pro Mirrorless cameras.
Sony A9 was released in 2017, and Sony A7R IV in 2019.
Alpha A7R IV is newer, which is a plus. Alpha A9 2 years older.
The sensor resolution of Alpha A7R IV is greater than that of Alpha A9. The difference of 37 MP is quite a lot.
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 A7R IV has a higher resolution of 5760k dots, Alpha A9 has a resolution of 3686k dots.
Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Sony Alpha A9 has 10.0 fps continuous shooting.
Sony Alpha A9 has 10.0 fps continuous shooting.
| General |
Alpha A9 |
Alpha A7R IV |
| Brand |
Sony
|
Sony
|
| Model |
Alpha A9 |
Alpha A7R IV |
| Announced |
April, 2017 |
July, 2019 |
| 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 |
1440k pixels |
1440k pixels |
| Touch Screen |
|
|
| Live View |
|
|
| Viewfinder |
| Viewfinder |
Electronic |
Electronic |
| Viewfinder Resolution |
3686 |
| 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 |
567 |
| 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 |
20.0 fps |
10.0 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 |
Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
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 |
mm |
| Sensor Area |
847.3 mm² |
0.0 mm² |
| Sensor Resolution |
24 MP |
61 MP |
| Max Image Resolution |
6000 x 4000 |
9504 x 6336 |
| Max Native ISO |
51200 |
32000 |
| Min Native ISO |
100 |
100 |
| Max Boosted ISO |
204800 |
102800 |
| Min Boosted ISO |
50 |
50 |
| Video Features |
| 4K |
|
|
| Max Video Resolution |
3840 x 2160 |
3840 x 2160 |
| Video Formats |
MPEG-4, AVCHD, H.264 |
MPEG-4, XAVC S, 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 2.0 (480 Mbit/sec) |
USB 3.1 Gen 1(5 GBit/sec) |
| Battery |
| Battery Life |
650 shots |
670 shots |
| Battery Type |
Battery Pack |
Battery Pack |
| Battery Model |
NP-FZ100 |
NP-FZ100 |
| Physical |
| Weight |
673 g |
665 g |
| Physical Dimensions |
127 x 96 x 63 mm |
129 x 96 x 78 mm |
| Environmental Sealing |
|
|
| Water Proof |
|
|
| Dust Proof |
|
|
| Shock Proof |
|
|
| Crush Proof |
|
|
| Freeze Proof |
|
|
| Shock Proof |
|
|
| Storage |
| Storage Type |
Dual SD/SDHC/SDXC slots (UHS-II compatible) |
Dual SD/SDHC/SDXC (UHS-II compatible) |
| Storage Slots |
2 |
2 |
| Other Features |
| Self Timer |
|
|
| Selfie Friendly |
|
|
Interesting Pro Mirrorless
