Panasonic G9 vs Sony A7 IV
62 Imaging
60 Features
90 Overall
72


61 Imaging
80 Features
92 Overall
84
Panasonic G9 vs Sony A7 IV Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Micro Four Thirds Mount
- 658g - 137 x 97 x 92mm
- Released November 2017
(Full Review)
- 33MP - Full frame Sensor
- 3" Fully Articulated Display
- ISO 100 - 51200 (Raise to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 699g - 129 x 97 x 81mm
- Launched October 2021
- Replaced the Sony A7 III

Panasonic G9 vs Sony A7 IV Overview
On this page, we are comparing the Panasonic G9 and Sony A7 IV, both Pro Mirrorless digital cameras by competitors Panasonic and Sony. There exists a significant gap between the resolutions of the G9 (20MP) and A7 IV (33MP) and the G9 (Four Thirds) and A7 IV (Full frame) provide different sensor dimensions.

The G9 was manufactured 5 years prior to the A7 IV which is quite a sizable gap as far as technology is concerned. Both of these cameras have the same body design (SLR-style mirrorless).
Before diving right into a comprehensive comparison, here is a brief overview of how the G9 matches up versus the A7 IV when it comes to portability, imaging, features and an overall mark.

Panasonic G9 vs Sony A7 IV Gallery
Following is a sample of the gallery pics for Panasonic Lumix DC-G9 and Sony Alpha A7 IV. The entire galleries are provided at Panasonic G9 Gallery and Sony A7 IV Gallery.
Reasons to pick Panasonic G9 over the Sony A7 IV
G9 | A7 IV |
---|
Reasons to pick Sony A7 IV over the Panasonic G9
A7 IV | G9 | |||
---|---|---|---|---|
Launched | October 2021 | ![]() | November 2017 | Newer by 48 months |
Display resolution | 1440k | ![]() | 1040k | Clearer display (+400k dot) |
Common features in the Panasonic G9 and Sony A7 IV
G9 | A7 IV | |||
---|---|---|---|---|
Manual focus | ![]() | Very accurate focusing | ||
Display type | Fully Articulated | ![]() | Fully articulated | Fully Articulated display |
Display dimensions | 3" | ![]() | 3" | Equal display sizing |
Selfie screen | ![]() | Both are selfie friendly | ||
Touch display | ![]() | Easily navigate |
Panasonic G9 vs Sony A7 IV Physical Comparison
For anybody who is looking to travel with your camera frequently, you'll have to consider its weight and volume. The Panasonic G9 provides external measurements of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") having a weight of 658 grams (1.45 lbs) and the Sony A7 IV has sizing of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs).
Examine the Panasonic G9 and Sony A7 IV in the latest Camera and Lens Size Comparison Tool.
Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you have at that moment. Following is a front view proportions comparison of the G9 and the A7 IV.

Using dimensions and weight, the portability rating of the G9 and A7 IV is 62 and 61 respectively.

Panasonic G9 vs Sony A7 IV Sensor Comparison
Sometimes, it is difficult to visualize the difference between sensor dimensions merely by checking specifications. The picture underneath may give you a much better sense of the sensor measurements in the G9 and A7 IV.
Plainly, each of the cameras have different megapixel count and different sensor dimensions. The G9 due to its tinier sensor is going to make achieving bokeh harder and the Sony A7 IV will resolve extra detail due to its extra 13 Megapixels. Greater resolution can also enable you to crop images a bit more aggressively. The more aged G9 is going to be behind when it comes to sensor innovation.

Panasonic G9 vs Sony A7 IV Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Panasonic G9 vs Sony A7 IV Specifications
Panasonic Lumix DC-G9 | Sony Alpha A7 IV | |
---|---|---|
General Information | ||
Brand Name | Panasonic | Sony |
Model | Panasonic Lumix DC-G9 | Sony Alpha A7 IV |
Class | Pro Mirrorless | Pro Mirrorless |
Released | 2017-11-08 | 2021-10-21 |
Body design | SLR-style mirrorless | SLR-style mirrorless |
Sensor Information | ||
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 | 20 megapixels | 33 megapixels |
Anti aliasing filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3, 3:2 and 16:9 |
Maximum resolution | 5184 x 3888 | 7008 x 4672 |
Maximum native ISO | 25600 | 51200 |
Maximum boosted ISO | - | 204800 |
Min native ISO | 200 | 100 |
RAW files | ||
Min boosted ISO | 100 | 50 |
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Continuous AF | ||
Single AF | ||
Tracking AF | ||
AF selectice | ||
Center weighted AF | ||
AF multi area | ||
Live view AF | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Number of focus points | 225 | 759 |
Lens | ||
Lens mounting type | Micro Four Thirds | Sony E |
Total lenses | 107 | 172 |
Crop factor | 2.1 | 1 |
Screen | ||
Screen type | Fully Articulated | Fully articulated |
Screen sizing | 3 inches | 3 inches |
Resolution of screen | 1,040 thousand dot | 1,440 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Viewfinder Information | ||
Viewfinder | Electronic | Electronic |
Viewfinder resolution | 3,680 thousand dot | 3,690 thousand dot |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.83x | 0.78x |
Features | ||
Slowest shutter speed | 60 seconds | 30 seconds |
Maximum shutter speed | 1/8000 seconds | 1/8000 seconds |
Maximum silent shutter speed | 1/32000 seconds | - |
Continuous shooting speed | 20.0 frames per second | 10.0 frames per second |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Set WB | ||
Image stabilization | ||
Built-in flash | ||
Flash range | no built-in flash | no built-in flash |
Flash options | Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off | no built-in flash |
Hot shoe | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Maximum flash sync | - | 1/200 seconds |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | 3840 x 2160 @ 60p / 150 Mbps, MP4, H.264, Linear PCM | 3843840 x 2160 @ 60p / 200 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 50p / 200 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 30p / 140 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 25p / 140 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 24p / 100 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 60p / 600 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 50p / 500 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 30p / 300 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 25p / 250 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 24p / 240 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 30p / |
Maximum video resolution | 3840x2160 | 3840x2160 |
Video file format | MPEG-4, AVCHD, H.264 | MPEG-4, XAVC S, XAVC HS, XAVC S-I, H.264, H.265 |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Built-In | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.0 (5 GBit/sec) | Yes (USB PD supported) |
GPS | None | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 658 gr (1.45 pounds) | 699 gr (1.54 pounds) |
Physical dimensions | 137 x 97 x 92mm (5.4" x 3.8" x 3.6") | 129 x 97 x 81mm (5.1" x 3.8" x 3.2") |
DXO scores | ||
DXO All around score | not tested | not tested |
DXO Color Depth score | not tested | not tested |
DXO Dynamic range score | not tested | not tested |
DXO Low light score | not tested | not tested |
Other | ||
Battery life | 400 shots | 600 shots |
Style of battery | Battery Pack | Battery Pack |
Battery model | DMW-BLF19 | NP-FZ100 |
Self timer | Yes | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
Time lapse feature | ||
Type of storage | Dual SD/SDHC/SDXC slots (UHS-II supported) | Dual SD/CFexpress Type A slots |
Storage slots | Two | Two |
Cost at launch | $1,500 | $2,500 |