Panasonic GX9 vs Sony A7 III
82 Imaging
60 Features
80 Overall
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63 Imaging
74 Features
92 Overall
81
Panasonic GX9 vs Sony A7 III Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Tilting Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 3840 x 2160 video
- Micro Four Thirds Mount
- 407g - 124 x 72 x 47mm
- Introduced February 2018
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Boost to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 650g - 127 x 96 x 74mm
- Revealed February 2018
- Earlier Model is Sony A7 II
- Refreshed by Sony A7 IV
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Below is a in depth analysis of the Panasonic GX9 versus Sony A7 III, former being a Advanced Mirrorless while the latter is a Pro Mirrorless by brands Panasonic and Sony. The sensor resolution of the GX9 (20MP) and the A7 III (24MP) is relatively similar but the GX9 (Four Thirds) and A7 III (Full frame) enjoy totally different sensor sizing.
President Biden pushes bill mandating TikTok sale or banThe GX9 was brought out within a month of the A7 III so they are both of a similar age. The two cameras come with different body type with the Panasonic GX9 being a Rangefinder-style mirrorless camera and the Sony A7 III being a SLR-style mirrorless camera.
Before going straight into a detailed comparison, below is a short overview of how the GX9 matches up versus the A7 III when it comes to portability, imaging, features and an overall grade.
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Following is a preview of the gallery photos for Panasonic Lumix DC-GX9 & Sony Alpha A7 III. The entire galleries are provided at Panasonic GX9 Gallery & Sony A7 III Gallery.
Reasons to pick Panasonic GX9 over the Sony A7 III
| GX9 | A7 III | |||
|---|---|---|---|---|
| Screen resolution | 1240k |  | 922k | Clearer screen (+318k dot) |
Reasons to pick Sony A7 III over the Panasonic GX9
| A7 III | GX9 |
|---|
Common features in the Panasonic GX9 and Sony A7 III
| GX9 | A7 III | |||
|---|---|---|---|---|
| Revealed | February 2018 |  | February 2018 | Similar age |
| Focus manually |  | Dial accurate focusing | ||
| Screen type | Tilting |  | Tilting | Tilting screen |
| Screen dimension | 3" |  | 3" | Identical screen measurement |
| Selfie screen |  | Missing selfie screen | ||
| Touch friendly screen |  | Quickly navigate |
Panasonic GX9 vs Sony A7 III Physical Comparison
In case you're looking to lug around your camera frequently, you'll need to factor its weight and proportions. The Panasonic GX9 offers exterior dimensions of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") along with a weight of 407 grams (0.90 lbs) whilst the Sony A7 III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).
Check out the Panasonic GX9 versus Sony A7 III in our newest Camera plus Lens Size Comparison Tool.
Always remember, the weight of an ILC will vary dependant on the lens you choose at that moment. Here is the front view sizing comparison of the GX9 versus the A7 III.
Taking into consideration size and weight, the portability grade of the GX9 and A7 III is 82 and 63 respectively.
Panasonic GX9 vs Sony A7 III Sensor Comparison
Oftentimes, its difficult to visualise the gap between sensor measurements only by reading a spec sheet. The photograph here should provide you a clearer sense of the sensor dimensions in the GX9 and A7 III.
As you can see, both cameras have got different resolutions and different sensor measurements. The GX9 because of its tinier sensor will make getting shallower DOF more difficult and the Sony A7 III will deliver extra detail having its extra 4MP. Higher resolution will also enable you to crop photographs much more aggressively.
Panasonic GX9 vs Sony A7 III Screen and ViewFinder
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Panasonic GX9 vs Sony A7 III Specifications
| Panasonic Lumix DC-GX9 | Sony Alpha A7 III | |
|---|---|---|
| General Information | ||
| Make | Panasonic | Sony |
| Model | Panasonic Lumix DC-GX9 | Sony Alpha A7 III |
| Class | Advanced Mirrorless | Pro Mirrorless |
| Introduced | 2018-02-13 | 2018-02-27 |
| Body design | Rangefinder-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Powered by | Venus Engine | Bionz X |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor dimensions | 17.3 x 13mm | 35.8 x 23.8mm |
| Sensor surface area | 224.9mm² | 852.0mm² |
| Sensor resolution | 20MP | 24MP |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Maximum resolution | 5184 x 3888 | 6000 x 4000 |
| Maximum native ISO | 25600 | 51200 |
| Maximum boosted ISO | - | 204800 |
| Minimum native ISO | 200 | 100 |
| RAW files | ||
| Minimum boosted ISO | 100 | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| AF continuous | ||
| AF single | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Number of focus points | 49 | 693 |
| Lens | ||
| Lens mounting type | Micro Four Thirds | Sony E |
| Number of lenses | 107 | 121 |
| Crop factor | 2.1 | 1 |
| Screen | ||
| Range of display | Tilting | Tilting |
| Display diagonal | 3" | 3" |
| Resolution of display | 1,240 thousand dot | 922 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Electronic |
| Viewfinder resolution | 2,760 thousand dot | 2,359 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.7x | 0.78x |
| Features | ||
| Lowest shutter speed | 60 seconds | 30 seconds |
| Highest shutter speed | 1/4000 seconds | 1/8000 seconds |
| Highest quiet shutter speed | 1/16000 seconds | - |
| Continuous shooting speed | 9.0fps | 10.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 6.00 m (at ISO 200) | no built-in flash |
| Flash modes | Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off | no built-in flash |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | - | 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) |
| Maximum video resolution | 3840x2160 | 3840x2160 |
| Video data format | MPEG-4, AVCHD, H.264 | MPEG-4, AVCHD, XAVC S, H.264 |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | Yes | USB 3.1 Gen 1 (5 GBit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 407 grams (0.90 lb) | 650 grams (1.43 lb) |
| Dimensions | 124 x 72 x 47mm (4.9" x 2.8" x 1.9") | 127 x 96 x 74mm (5.0" x 3.8" x 2.9") |
| DXO scores | ||
| DXO All around score | not tested | 96 |
| DXO Color Depth score | not tested | 25.0 |
| DXO Dynamic range score | not tested | 14.7 |
| DXO Low light score | not tested | 3730 |
| Other | ||
| Battery life | 260 images | 610 images |
| Type of battery | Battery Pack | Battery Pack |
| Battery model | - | NP-FZ100 |
| Self timer | Yes (2 or 10 secs, 3 photos over 10 secs) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC/SDXC card (UHS-I supported) | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
| Storage slots | 1 | Dual |
| Pricing at launch | $1,000 | $1,998 |