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Panasonic GM1 vs Ricoh GR III

Portability
93
Imaging
53
Features
60
Overall
55
Panasonic Lumix DMC-GM1 front
 
Ricoh GR III front
Portability
90
Imaging
69
Features
62
Overall
66

Panasonic GM1 vs Ricoh GR III 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
  • Announced December 2013
  • Renewed by Panasonic GM5
Ricoh GR III
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 102400
  • Sensor-shift Image Stabilization
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • 28mm (F2.8-16) lens
  • 257g - 109 x 62 x 33mm
  • Introduced September 2018
  • Succeeded the Ricoh GR III
  • Renewed by Ricoh GR III
Photography Glossary

Panasonic GM1 vs Ricoh GR III Overview

The following is a in-depth analysis of the Panasonic GM1 versus Ricoh GR III, one is a Entry-Level Mirrorless and the latter is a Large Sensor Compact by competitors Panasonic and Ricoh. There exists a significant gap among the resolutions of the GM1 (16MP) and GR III (24MP) and the GM1 (Four Thirds) and GR III (APS-C) boast totally different sensor dimensions.

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The GM1 was announced 5 years prior to the GR III which is a fairly sizable gap as far as camera technology is concerned. Each of these cameras have different body design with the Panasonic GM1 being a Rangefinder-style mirrorless camera and the Ricoh GR III being a Large Sensor Compact camera.

Before getting right into a in-depth comparison, here is a concise summation of how the GM1 matches up vs the GR III when considering portability, imaging, features and an overall mark.

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Reasons to pick Panasonic GM1 over the Ricoh GR III

 GM1 GR III 

Reasons to pick Ricoh GR III over the Panasonic GM1

 GR III GM1 
IntroducedSeptember 2018December 2013Newer by 58 months
Screen resolution1037k1036kCrisper screen (+1k dot)

Common features in the Panasonic GM1 and Ricoh GR III

 GM1 GR III 
Focus manually More accurate focus
Screen typeFixed Fixed Fixed screen
Screen dimensions3"3"Equal screen sizing
Selfie screen Neither has selfie screen
Touch screen Quickly navigate

Panasonic GM1 vs Ricoh GR III Physical Comparison

If you are aiming to travel with your camera regularly, you have to think about its weight and dimensions. The Panasonic GM1 has external dimensions of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") along with a weight of 204 grams (0.45 lbs) and the Ricoh GR III has dimensions of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") with a weight of 257 grams (0.57 lbs).

Look at the Panasonic GM1 versus Ricoh GR III in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you select at that moment. Following is a front view over all size comparison of the GM1 and the GR III.

Panasonic GM1 vs Ricoh GR III size comparison

Looking at dimensions and weight, the portability score of the GM1 and GR III is 93 and 90 respectively.

Panasonic GM1 vs Ricoh GR III top view buttons comparison

Panasonic GM1 vs Ricoh GR III Sensor Comparison

Sometimes, it is tough to envision the difference in sensor dimensions just by checking out specifications. The image below will provide you a greater sense of the sensor dimensions in the GM1 and GR III.

Plainly, both cameras have different megapixel count and different sensor dimensions. The GM1 having a smaller sensor will make achieving shallow depth of field more challenging and the Ricoh GR III will provide extra detail with its extra 8MP. Higher resolution will make it easier to crop pictures a bit more aggressively. The more aged GM1 will be behind in sensor innovation.

Panasonic GM1 vs Ricoh GR III sensor size comparison

Panasonic GM1 vs Ricoh GR III Screen and ViewFinder

Panasonic GM1 vs Ricoh GR III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GM1 Portrait photography factors
Ricoh GR III Portrait photography factors
65
you can focus manually
MP count good (16MP)
nice sensor size (Four Thirds)
includes face detect focusing
saves RAW formats
no external flash support
81
you can focus manually
good megapixels (24MP)
decent sensor size (APS-C)
comes with face detection focus
exports RAW files
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Street Comparison

Panasonic GM1 Street photography info
Ricoh GR III Street photography info
77
nice sensor size (Four Thirds)
saves RAW formats
includes touch to focus
lighter than average in class (204 grams)
above average ISO range (25,600)
no moving screen
no image stabilization
84
has image stabilization (Sensor-shift)
decent sensor size (APS-C)
exports RAW files
boasts touch to focus
lighter than competition in class (257g)
great ISO range (102,400)
fixed screen
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Sports Comparison

Panasonic GM1 Sports photography highlights
Ricoh GR III Sports photography highlights
48
quiet shooting (1/16,000 seconds)
MP count good (16MP)
nice sensor size (Four Thirds)
includes tracking focus
low maximum shutter speed (1/500 seconds)
painfully slow continuous shooting (5.0 frames per second)
no image stabilization
low battery (230 CIPA)
lacks phase detect AF
76
has image stabilization (Sensor-shift)
good megapixels (24MP)
decent sensor size (APS-C)
comes with tracking autofocus
sensor has phase detect auto focus
focal length is fixed (28mm)
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Travel Comparison

Panasonic GM1 as a Travel photography camera
Ricoh GR III as a Travel photography camera
74
lighter than average in class (204 grams)
includes touch to focus
MP count good (16 megapixels)
has built in flash
low battery (230 CIPA)
display is not selfie friendly
69
lighter than competition in class (257 grams)
boasts touch to focus
good megapixels (24 megapixels)
doesn't have Time Lapse function
doesn't posses selfie friendly display
sluggish max aperture (f2.8)
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Landscape Comparison

Panasonic GM1 Landscape photography highlights
Ricoh GR III Landscape photography highlights
69
you can focus manually
switch lenses (Micro Four Thirds mount)
screen size is good (3 inch)
MP count good (16MP)
nice sensor size (Four Thirds)
above average ISO range (25,600)
saves RAW formats
no image stabilization
low battery (230 CIPA)
69
you can focus manually
pretty good screen size (3 inches)
has image stabilization (Sensor-shift)
good megapixels (24 megapixels)
decent sensor size (APS-C)
no anti aliasing filter
great ISO range (102,400)
exports RAW files
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
sluggish max aperture (f2.8)
doesn't have Time Lapse function
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Vlogging Comparison

Vlogging with Panasonic GM1
Vlogging with Ricoh GR III
35
built-in touchscreen
includes face detect focusing
video resolution high (1920 x 1080 pxls)
lighter than average in class (204 grams)
display is not selfie friendly
no image stabilization
doesn't have microphone socket
37
has touchscreen
has image stabilization (Sensor-shift)
comes with face detection focus
good video quality (1920 x 1080 resolution)
lighter than competition in class (257 grams)
sluggish max aperture (f2.8)
doesn't posses selfie friendly display
doesn't have external mic support
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Panasonic GM1 vs Ricoh GR III Specifications

Detailed spec comparison table for Panasonic GM1 and Ricoh GR III
 Panasonic Lumix DMC-GM1Ricoh GR III
General Information
Brand Panasonic Ricoh
Model Panasonic Lumix DMC-GM1 Ricoh GR III
Class Entry-Level Mirrorless Large Sensor Compact
Announced 2013-12-19 2018-09-25
Physical type Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.6mm
Sensor surface area 224.9mm² 366.6mm²
Sensor resolution 16MP 24MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1 and 3:2
Maximum resolution 4592 x 3448 6000 x 4000
Maximum native ISO 25600 102400
Min native ISO 200 100
RAW photos
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 23 -
Lens
Lens mount Micro Four Thirds fixed lens
Lens focal range - 28mm (1x)
Highest aperture - f/2.8-16
Macro focus distance - 6cm
Number of lenses 107 -
Crop factor 2.1 1.5
Screen
Display type Fixed Type Fixed Type
Display size 3 inch 3 inch
Display resolution 1,036k dots 1,037k dots
Selfie friendly
Liveview
Touch display
Display technology TFT Color LCD with wide-viewing angle -
Viewfinder Information
Viewfinder type None Optical (optional)
Features
Lowest shutter speed 60s 30s
Highest shutter speed 1/500s 1/4000s
Highest quiet shutter speed 1/16000s -
Continuous shooting rate 5.0fps -
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash range 4.00 m no built-in flash
Flash options Auto, On, Off, Red-Eye, Slow Sync Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye
External flash
Auto exposure bracketing
WB bracketing
Highest flash synchronize 1/50s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60i, 50i, 24p), 1280 x 720p (60p, 50p), 640 x 480 (30p, 25p) 1920 x 1080 @ 60p, MOV, H.264, Linear PCM
Maximum video resolution 1920x1080 1920x1080
Video format MPEG-4, AVCHD MPEG-4, H.264
Mic support
Headphone support
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) Yes
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 204g (0.45 lbs) 257g (0.57 lbs)
Physical dimensions 99 x 55 x 30mm (3.9" x 2.2" x 1.2") 109 x 62 x 33mm (4.3" x 2.4" x 1.3")
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 images -
Battery style Battery Pack -
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes
Time lapse feature
Type of storage SD/SDHC/SDXC Internal, SD/SDHC/SDXC (UHS-I supported)
Card slots Single Single
Retail pricing $750 $900