Panasonic GH3 vs Sony A7 III
66 Imaging
52 Features
80 Overall
63


63 Imaging
73 Features
92 Overall
80
Panasonic GH3 vs Sony A7 III Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 12800
- 1920 x 1080 video
- Micro Four Thirds Mount
- 550g - 133 x 93 x 82mm
- Released September 2012
- Succeeded the Panasonic GH2
- Updated by Panasonic GH4
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Push to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 650g - 127 x 96 x 74mm
- Introduced February 2018
- Superseded the Sony A7 II
- Replacement is Sony A7 IV

Panasonic GH3 vs Sony A7 III Overview
Let's look a bit more closely at the Panasonic GH3 vs Sony A7 III, one is a Advanced Mirrorless and the latter is a Pro Mirrorless by companies Panasonic and Sony. There exists a huge gap between the resolutions of the GH3 (16MP) and A7 III (24MP) and the GH3 (Four Thirds) and A7 III (Full frame) offer totally different sensor sizing.

The GH3 was launched 6 years before the A7 III which is quite a significant gap as far as technology is concerned. Both of the cameras feature the same body design (SLR-style mirrorless).
Before diving right into a step-by-step comparison, here is a short highlight of how the GH3 matches up versus the A7 III with regards to portability, imaging, features and an overall mark.

Panasonic GH3 vs Sony A7 III Gallery
This is a preview of the gallery images for Panasonic Lumix DMC-GH3 and Sony Alpha A7 III. The complete galleries are provided at Panasonic GH3 Gallery and Sony A7 III Gallery.
Reasons to pick Panasonic GH3 over the Sony A7 III
GH3 | A7 III | |||
---|---|---|---|---|
Screen type | Fully Articulated | ![]() | Tilting | Fully Articulating screen |
Selfie screen | ![]() | Take selfies |
Reasons to pick Sony A7 III over the Panasonic GH3
A7 III | GH3 | |||
---|---|---|---|---|
Introduced | February 2018 | ![]() | September 2012 | Newer by 66 months |
Screen resolution | 922k | ![]() | 614k | Sharper screen (+308k dot) |
Common features in the Panasonic GH3 and Sony A7 III
GH3 | A7 III | |||
---|---|---|---|---|
Manually focus | ![]() | Dial precise focusing | ||
Screen size | 3" | ![]() | 3" | Same screen measurement |
Touch friendly screen | ![]() | Quickly navigate |
Panasonic GH3 vs Sony A7 III Physical Comparison
For anyone who is planning to travel with your camera frequently, you will need to think about its weight and dimensions. The Panasonic GH3 has external measurements of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") along with a weight of 550 grams (1.21 lbs) and the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs).
See the Panasonic GH3 vs Sony A7 III in the all new Camera with Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are using at that time. Underneath is a front view dimension comparison of the GH3 compared to the A7 III.

Taking into consideration dimensions and weight, the portability grade of the GH3 and A7 III is 66 and 63 respectively.

Panasonic GH3 vs Sony A7 III Sensor Comparison
More often than not, it is very hard to envision the gap between sensor dimensions just by reading through a spec sheet. The pic here will help offer you a more clear sense of the sensor measurements in the GH3 and A7 III.
As you can see, both of the cameras come with different megapixels and different sensor dimensions. The GH3 featuring a tinier sensor will make getting bokeh more challenging and the Sony A7 III will give you extra detail utilizing its extra 8MP. Higher resolution will help you crop shots a good deal more aggressively. The more aged GH3 is going to be behind in sensor tech.

Panasonic GH3 vs Sony A7 III Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Panasonic GH3 vs Sony A7 III Specifications
Panasonic Lumix DMC-GH3 | Sony Alpha A7 III | |
---|---|---|
General Information | ||
Brand Name | Panasonic | Sony |
Model type | Panasonic Lumix DMC-GH3 | Sony Alpha A7 III |
Type | Advanced Mirrorless | Pro Mirrorless |
Released | 2012-09-17 | 2018-02-27 |
Physical type | SLR-style mirrorless | SLR-style mirrorless |
Sensor Information | ||
Powered by | Venus Engine VII FHD | Bionz X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | Four Thirds | Full frame |
Sensor measurements | 17.3 x 13mm | 35.8 x 23.8mm |
Sensor surface area | 224.9mm² | 852.0mm² |
Sensor resolution | 16MP | 24MP |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
Maximum resolution | 4608 x 3456 | 6000 x 4000 |
Maximum native ISO | 12800 | 51200 |
Maximum boosted ISO | - | 204800 |
Minimum native ISO | 200 | 100 |
RAW images | ||
Minimum boosted ISO | - | 50 |
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
Continuous autofocus | ||
Autofocus single | ||
Tracking autofocus | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Live view autofocus | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Total focus points | 23 | 693 |
Lens | ||
Lens support | Micro Four Thirds | Sony E |
Number of lenses | 107 | 121 |
Focal length multiplier | 2.1 | 1 |
Screen | ||
Screen type | Fully Articulated | Tilting |
Screen diagonal | 3" | 3" |
Screen resolution | 614 thousand dots | 922 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Screen tech | OLED Monitor with static touch control | - |
Viewfinder Information | ||
Viewfinder type | Electronic | Electronic |
Viewfinder resolution | 1,744 thousand dots | 2,359 thousand dots |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.67x | 0.78x |
Features | ||
Slowest shutter speed | 60s | 30s |
Maximum shutter speed | 1/4000s | 1/8000s |
Continuous shooting rate | 20.0fps | 10.0fps |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | 12.00 m | no built-in flash |
Flash modes | Auto, On, Off, Red-Eye, Slow Sync | no built-in flash |
External flash | ||
AE bracketing | ||
White balance bracketing | ||
Maximum flash synchronize | 1/160s | - |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 1920 x 1080 (60, 50, 30, 25 24 fps) 1280 x 720 (60, 50, 30, 25fps), 640 x 480 (30, 25fps | 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) |
Maximum video resolution | 1920x1080 | 3840x2160 |
Video file format | MPEG-4, AVCHD, H.264 | MPEG-4, AVCHD, XAVC S, H.264 |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | Built-In | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 3.1 Gen 1 (5 GBit/sec) |
GPS | None | None |
Physical | ||
Environmental sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 550 gr (1.21 pounds) | 650 gr (1.43 pounds) |
Physical dimensions | 133 x 93 x 82mm (5.2" x 3.7" x 3.2") | 127 x 96 x 74mm (5.0" x 3.8" x 2.9") |
DXO scores | ||
DXO All around rating | 71 | 96 |
DXO Color Depth rating | 22.7 | 25.0 |
DXO Dynamic range rating | 12.4 | 14.7 |
DXO Low light rating | 812 | 3730 |
Other | ||
Battery life | 540 images | 610 images |
Type of battery | Battery Pack | Battery Pack |
Battery ID | - | NP-FZ100 |
Self timer | Yes (2 or 10 sec, 10 sec (3 images)) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
Time lapse feature | ||
Type of storage | SD/SDHC/SDXC | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
Card slots | Single | Two |
Price at launch | $799 | $1,998 |