Sony A7S vs Panasonic GX850

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Sony A7S vs Panasonic GX850

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35mm 847.3mm²
12.2 megapixels
ISO 100 - 102,400

Go in depth with our full Sony A7S Review.
How does it shoot? Sony A7S in the real world.
See real-world photos taken with the A7S.
Compare Sony A7S image quality against competitors.
What’s the bottom line? Read our Sony A7S conclusion.

4/3 224.9mm²
16.0 megapixels
ISO 200 - 25,600

Go in depth with our full Panasonic GX850 Review.
How does it shoot? Panasonic GX850 in the real world.
See real-world photos taken with the GX850.
Compare Panasonic GX850 image quality against competitors.
What’s the bottom line? Read our Panasonic GX850 conclusion.

Succeeded by the Sony A7S II
Compare A7S vs A7S II
Compare Sony A7S II vs Panasonic GX850

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Differences

Sony A7S advantages over Panasonic GX850

Larger sensor
35mm vs 4/3
More sensor area. Bigger is (generally) better.
Eye-level viewfinder
Eye-level vs Rear display only
You'll be able to frame photos even when the sun is out
Bigger pixels
~ 8.40 vs 3.77 microns
Better low-light and dynamic range (all else equal)
NFC
Yes vs No
Simplifies pairing your camera with supported phones
Higher effective ISO

Higher effective ISO

Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.

Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.

You can learn more at our glossary entry.

Maximum effective ISO test data courtesy of DxO Mark.
A7S test data on DxO Mark GX850 test data on DxO Mark

3,702 vs 586 iso
Take photos in low light with less noise
Longer stills battery life
More info

Longer stills battery life

Cameras with longer battery life can take more photos before exhausting their batteries.

Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

380 vs 210 shots
Capture more photos
External Mic Jack
Jack vs No jack
Improved sound fidelity when shooting video
Higher max flash sync
1/250 vs 1/50 sec
Reduce the effect of ambient light in flash shots
Hot shoe
Hot shoe vs None
Off-camera flashes open new possibilities
Headphone jack
Yes vs No
Monitor audio recording while you shoot video
Has anti-aliasing filter
Filter vs No Filter
Reduces unsightly moiré in photos
Bigger RAW buffer
39 vs 17 shots
Larger buffer for RAW shots (burst mode)
Slow-motion videos
Yes vs No
Shoot slow-motion videos
Higher extended ISO
409600 vs 25600 ISO
Higher extended ISO can give more low-light flexibility

Panasonic GX850 advantages over Sony A7S

Lens selection
Excellent vs Good
Better lens selection gives you more options
Shoot 4K video
4K (UHD) vs 1080p
Make sure you have a fast computer
Touchscreen
Touch vs No touch
Interact with your camera just like your smartphone
Internal flash
Internal flash vs None
Useful in a pinch for fill flash
Thinner
33 mm vs 48 mm
Thinner
More pixels
16.0 vs 12.2 megapixels
Higher resolution photos
Lacks anti-aliasing filter
No Filter vs Filter
Enjoy sharper photos
Longer exposure
60 vs 30 sec
Long exposures for night shots
Faster JPEG shooting
9.3 fps vs 5.0 fps
Faster JPEG shooting (burst mode)
Bigger JPEG buffer
114 vs 62 shots
Take more JPEG shots before waiting (burst mode)
Faster RAW shooting
9.5 fps vs 5.0 fps
Faster RAW shooting in burst mode
Faster shutter
1/16000 vs 1/8000 sec
Shoot wide open in bright light

Similarities

Common Strengths

Focus peaking
Both provide
Your camera will highlight what's in focus
In-camera panoramas
Both provide
Stitches multiple shots into a panoramic photo
Tiltable Screen
Both provide
Tilt the screen for shooting flexbility
Built-in Wi-Fi
Both provide
Share your photos wirelessly
HDMI out
Both provide
Use HDMI output to monitor or review video
Bulb shutter
Both provide
Hold the shutter open manually for long exposures

Common Weaknesses

Tilt-swivel screen
Neither provide
Tilt and swivel the screen for maximum shooting flexibility
In-Camera Image Stabilization
Neither provide
Reduces the effects of camera shake at slower shutter speeds
Built-in Bluetooth
Neither provide
Always-on wireless connectivity
Built-in GPS
Neither provide
Geotag your photos
On-sensor phase detect
Neither provide
Usually improves live view and video AF performance
Top deck display
Neither provide
Check settings with a screen on top of the camera
Dual card slots
Neither provide
Gives you more storage flexibility

User reviews

Amazon
Adorama
Read A7S User Reviews

Amazon
Adorama
Read GX850 User Reviews

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Kit with 12-32mm Lens (Black)

Kit with 12-32mm Lens (Black)
Kit with 12-32mm Lens (Silver)

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Review Excerpt

Outstanding high ISO performance; excellent dynamic range; 4K video recording (via uncompressed HDMI); XAVC S option for HD video; Slightly improved battery life over A7/A7R; Built-in Wi-Fi & NFC connectivity.
4K video requires expensive external recorder; Sluggish startup time; Loud shutter; Silent Shooting mode hurts image quality; Lacks a built-in, pop-up flash; Limited selection of native Sony FE lenses.
Read our Sony A7S Review

Impressive image quality; Sleek design; 4K video recording; Good overall performance; Tilting touchscreen; Enjoyable user experience.
No EVF; No hot shoe, Short 4K clip limit; MicroSD card slot, Poor battery life.
Read our Panasonic GX850 Review

The Competition

Compared to Leica M-E (Typ 220)

Sony A7S

Leica M-E (Typ 220)

$1998
35mm

Lens selection
Less expensive

$7999
35mm

Thinner
More pixels

Compare Sony A7S vs Leica M-E (Typ 220)

Panasonic GX850

Leica M-E (Typ 220)

$548
4/3

Lens selection
Shoot 4K video

$7999
35mm

Larger sensor
Eye-level viewfinder

Compare Panasonic GX850 vs Leica M-E (Typ 220)

Compared to Panasonic GM5

Sony A7S

Panasonic GM5

$1998
35mm

Larger sensor
Bigger pixels

$898
4/3

Lens selection
Touchscreen

Compare Sony A7S vs Panasonic GM5

Panasonic GX850

Panasonic GM5

$548
4/3

Less expensive
Shoot 4K video

$898
4/3

Eye-level viewfinder
Fast startup

Compare Panasonic GX850 vs Panasonic GM5

Compared to Panasonic GF7

Sony A7S

Panasonic GF7

$1998
35mm

Larger sensor
Eye-level viewfinder

$590
4/3

Lens selection
Touchscreen

Compare Sony A7S vs Panasonic GF7

Panasonic GX850

Panasonic GF7

$548
4/3

Shoot 4K video
Lacks anti-aliasing filter

$590
4/3

Fast startup
Has anti-aliasing filter

Compare Panasonic GX850 vs Panasonic GF7

Compared to Sony A7S II

Sony A7S

Sony A7S II

$1998
35mm

Less expensive
Fast startup

$2398
35mm

In-Camera Image Stabilization
Shoot 4K video

Compare Sony A7S vs Sony A7S II

Panasonic GX850

Sony A7S II

$548
4/3

Lens selection
Touchscreen

$2398
35mm

Larger sensor
Eye-level viewfinder

Compare Panasonic GX850 vs Sony A7S II

Compared to Leica M (Typ 262)

Sony A7S

Leica M (Typ 262)

$1998
35mm

Lens selection
Focus peaking

$4995
35mm

More pixels
Lacks anti-aliasing filter

Compare Sony A7S vs Leica M (Typ 262)

Panasonic GX850

Leica M (Typ 262)

$548
4/3

Lens selection
Focus peaking

$4995
35mm

Larger sensor
Eye-level viewfinder

Compare Panasonic GX850 vs Leica M (Typ 262)

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