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Panasonic GM1 vs Sony A7c

Portability
93
Imaging
53
Features
60
Overall
55
Panasonic Lumix DMC-GM1 front
 
Sony Alpha A7c front
Portability
78
Imaging
77
Features
88
Overall
81

Panasonic GM1 vs Sony A7c Key Specs

Panasonic GM1
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 200 - 25600
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 204g - 99 x 55 x 30mm
  • Introduced December 2013
  • Newer Model is Panasonic GM5
Sony A7c
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 51200 (Bump to 204800)
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Sony E Mount
  • 509g - 124 x 71 x 60mm
  • Released September 2020
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Panasonic GM1 vs Sony A7c Overview

Following is a detailed overview of the Panasonic GM1 vs Sony A7c, former is a Entry-Level Mirrorless while the other is a Advanced Mirrorless by rivals Panasonic and Sony. There is a sizable difference among the resolutions of the GM1 (16MP) and A7c (24MP) and the GM1 (Four Thirds) and A7c (Full frame) provide different sensor sizes.

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The GM1 was brought out 7 years earlier than the A7c which is a fairly significant difference as far as camera tech is concerned. Each of the cameras have the same body design (Rangefinder-style mirrorless).

Before going straight to a in-depth comparison, here is a short summary of how the GM1 scores versus the A7c in relation to portability, imaging, features and an overall score.

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Reasons to pick Panasonic GM1 over the Sony A7c

 GM1 A7c 
Display resolution1036k922kCrisper display (+114k dot)

Reasons to pick Sony A7c over the Panasonic GM1

 A7c GM1 
ReleasedSeptember 2020December 2013More modern by 82 months
Display typeFully articulatedFixed Fully Articulating display
Selfie screen Take selfies

Common features in the Panasonic GM1 and Sony A7c

 GM1 A7c 
Focus manually Very exact focusing
Display dimensions3"3"Equal display dimensions
Touch friendly display Easily navigate

Panasonic GM1 vs Sony A7c Physical Comparison

In case you're intending to carry around your camera, you are going to need to factor in its weight and measurements. The Panasonic GM1 has got physical dimensions of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") having a weight of 204 grams (0.45 lbs) and the Sony A7c has proportions of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") with a weight of 509 grams (1.12 lbs).

Check the Panasonic GM1 vs Sony A7c in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary dependant on the lens you have attached at that time. Following is a front view sizing comparison of the GM1 vs the A7c.

Panasonic GM1 vs Sony A7c size comparison

Taking into consideration size and weight, the portability score of the GM1 and A7c is 93 and 78 respectively.

Panasonic GM1 vs Sony A7c top view buttons comparison

Panasonic GM1 vs Sony A7c Sensor Comparison

Often, it can be hard to visualize the difference in sensor sizes only by viewing a spec sheet. The pic underneath may give you a much better sense of the sensor dimensions in the GM1 and A7c.

As you can see, both the cameras have different megapixels and different sensor sizes. The GM1 due to its smaller sensor is going to make getting shallower DOF more challenging and the Sony A7c will result in greater detail having its extra 8MP. Greater resolution can also enable you to crop photos a bit more aggressively. The more aged GM1 will be disadvantaged with regard to sensor innovation.

Panasonic GM1 vs Sony A7c sensor size comparison

Panasonic GM1 vs Sony A7c Screen and ViewFinder

Panasonic GM1 vs Sony A7c Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GM1 Portrait photography info
Sony A7c Portrait photography info
65
manual focus
decent sensor resolution (16 megapixels)
sensor size is nice (Four Thirds)
features face detect autofocus
supports RAW files
external flash not possible
79
focusing manually
MP count good (24 megapixels)
great sensor size (Full frame)
includes face detect autofocus
saves RAW files
cannot use external flash
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Street Comparison

Panasonic GM1 Street photography information
Sony A7c Street photography information
77
sensor size is nice (Four Thirds)
supports RAW files
includes focus by touch
lighter than competition (204 grams)
great ISO range (25,600)
screen does not articulate
lack of image stabilization
85
has image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
saves RAW files
includes touch to focus
weather proofing
above average high ISO (51,200)
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Sports Comparison

Panasonic GM1 Sports photography advice
Sony A7c Sports photography advice
48
silent shooting (1/16,000s)
decent sensor resolution (16 megapixels)
sensor size is nice (Four Thirds)
features tracking focus
low maximum shutter speed (1/500s)
low fps (5.0 frames/s)
lack of image stabilization
bad battery pack (230 per charge)
has no phase detect autofocus
88
quiet shutter (1/8,000s)
has image stabilization (Sensor based 5-axis)
MP count good (24 megapixels)
great sensor size (Full frame)
includes tracking focus
weather proofing
good battery (740 CIPA)
has phase detect autofocus
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Travel Comparison

Panasonic GM1 as a Travel photography camera
Sony A7c as a Travel photography camera
74
lighter than competition (204 grams)
includes focus by touch
decent sensor resolution (16 megapixels)
has built in flash
bad battery pack (230 per charge)
does not posses selfie friendly screen
86
good battery (740 per charge)
weather proofing
connects via bluetooth
includes touch to focus
MP count good (24 megapixels)
selfie friendly screen
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Landscape Comparison

Landscape photography with Panasonic GM1
Landscape photography with Sony A7c
69
manual focus
swap lenses (Micro Four Thirds mount)
screen size is decent (3 inches)
decent sensor resolution (16MP)
sensor size is nice (Four Thirds)
great ISO range (25,600)
supports RAW files
lack of image stabilization
bad battery pack (230 shots)
88
focusing manually
switch lenses (Sony E mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based 5-axis)
MP count good (24MP)
great sensor size (Full frame)
above average high ISO (51,200)
saves RAW files
weather proofing
good battery (740 shots)
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Vlogging Comparison

Panasonic GM1 Vlogging factors
Sony A7c Vlogging factors
35
built-in touchscreen
features face detect autofocus
high res video (1920 x 1080 resolution)
lighter than competition (204 grams)
does not posses selfie friendly screen
lack of image stabilization
lack of mic support
86
selfie friendly screen
built-in touchscreen
has image stabilization (Sensor based 5-axis)
includes face detect autofocus
video resolution high (3840 x 2160 pixels)
has mic socket
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Panasonic GM1 vs Sony A7c Specifications

Detailed spec comparison table for Panasonic GM1 and Sony A7c
 Panasonic Lumix DMC-GM1Sony Alpha A7c
General Information
Brand Panasonic Sony
Model Panasonic Lumix DMC-GM1 Sony Alpha A7c
Category Entry-Level Mirrorless Advanced Mirrorless
Introduced 2013-12-19 2020-09-14
Physical type Rangefinder-style mirrorless Rangefinder-style mirrorless
Sensor Information
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 16 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest resolution 4592 x 3448 6000 x 4000
Highest native ISO 25600 51200
Highest boosted ISO - 204800
Minimum native ISO 200 100
RAW pictures
Minimum boosted ISO - 50
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 23 693
Lens
Lens mounting type Micro Four Thirds Sony E
Available lenses 107 122
Crop factor 2.1 1
Screen
Type of display Fixed Type Fully articulated
Display sizing 3 inch 3 inch
Resolution of display 1,036 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch operation
Display technology TFT Color LCD with wide-viewing angle -
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 2,360 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.59x
Features
Slowest shutter speed 60 seconds 30 seconds
Maximum shutter speed 1/500 seconds 1/4000 seconds
Maximum quiet shutter speed 1/16000 seconds 1/8000 seconds
Continuous shooting rate 5.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash range 4.00 m no built-in flash
Flash options Auto, On, Off, Red-Eye, Slow Sync no built-in flash
External flash
Auto exposure bracketing
WB bracketing
Maximum flash synchronize 1/50 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 24p), 1280 x 720p (60p, 50p), 640 x 480 (30p, 25p) 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Highest video resolution 1920x1080 3840x2160
Video file format MPEG-4, AVCHD MPEG-4, XAVC S, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 204 gr (0.45 pounds) 509 gr (1.12 pounds)
Physical dimensions 99 x 55 x 30mm (3.9" x 2.2" x 1.2") 124 x 71 x 60mm (4.9" x 2.8" x 2.4")
DXO scores
DXO All around score 66 not tested
DXO Color Depth score 22.3 not tested
DXO Dynamic range score 11.7 not tested
DXO Low light score 660 not tested
Other
Battery life 230 photos 740 photos
Form of battery Battery Pack Battery Pack
Battery model - 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
Storage type SD/SDHC/SDXC SD/SDHC/SDXC card (UHS-II supported)
Card slots Single Single
Pricing at launch $750 $1,800