Ricoh GR III vs Panasonic Lumix DMC-GM1

  • APS-C
  • 24 megapixels
  • Fixed lens
  • 47
    Overall
  • 14
    Imaging
  • 48
    Features
  • 85
    Size
  • 0
    Price
  • Four Thirds
  • 16 megapixels
  • Micro Four Thirds
  • 52
    Overall
  • 18
    Imaging
  • 59
    Features
  • 88
    Size
  • 100
    Price

Ricoh GR III vs Panasonic Lumix DMC-GM1: a Complete Review and Comparison

Are you looking for the best camera to suit your needs? Due to a wide range of options, making a wise and weighted decision can be rather challenging. Which specs to keep in mind? What are the key pros and cons of each model? This comparison should give some helpful hints!

In this review, we are going to make a detailed comparison of two cameras that fall into different categories. While the first model we are looking at, Ricoh GR III belongs to a Large Sensor Compact category, the other model, Ricoh GR III is a Entry-Level Mirrorless camera. Ricoh GR III is equipped with a 24.0 MP CMOS sensor, while Panasonic Lumix DMC-GM1 comes with a 16.0 MP CMOS sensor.

Both cameras we are going to look at in our overview fall into two different categories - Compact and MirrorLess. Keeping in mind all the distinctive features of each category, it will be hard to make a detailed comparison of these two models. However, we will do our best to make this review as unbiased and detailed as possible.

To get started, let’s take a look at some of the key features of Ricoh GR III and Panasonic Lumix DMC-GM1 and, after this, we can go on to our detailed comparison of these models.

Ricoh GR III Key Features:

  • 24.0 MP APS-C CMOS sensor
  • Image Stabilization: Yes
  • 3″ Fixed Type Screen
  • ViewFinder: Yes
  • fps Continuous Shooting
  • Video: 1920 x 1080 @ 60p, MOV, H.264, Linear PCM
  • Built-in Wireless: Yes
  • Dimensions: 109 x 62 x 33 mm
  • Weight: 257 g
  • Environmental Sealing: No
  • Built-in GPS: No

Panasonic Lumix DMC-GM1 Key Features:

  • 16.0 MP Four Thirds CMOS sensor
  • ISO 200 - 25600
  • Image Stabilization: No
  • 3″ Fixed Type Screen
  • ViewFinder: No
  • 5.0 fps Continuous Shooting
  • Video: 1920 x 1080 (60i, 50i, 24p), 1280 x 720p (60p, 50p), 640 x 480 (30p, 25p)
  • Built-in Wireless: Yes
  • Dimensions: 99 x 55 x 30 mm
  • Weight: 204 g
  • Environmental Sealing: No
  • Built-in GPS: No
  • Replaced by Panasonic GM5.

Why is Ricoh GR III a better choice than Panasonic Lumix DMC-GM1

Sensor Resolution 24.0 MP vs 16.0 MP 33.3% more pixels
Sensor Area 366.6 mm2 vs 224.9 mm2 38.7% larger pixel area
Image Stabilization Yes vs No All lenses are stabilized
External Flash Yes vs No Connect off-camera flash
Screen Resolution 1,037k dots vs 1,036k dots 0.1% higher resolution screen

What are the key reasons to pick Panasonic Lumix DMC-GM1 over Ricoh GR III

Timelapse Recording Yes vs No Creative shooting
Continuous Shooting 5 fps vs No fps 5 fps faster
Built-In Flash Yes vs No All the lenses are stabilized
Flash Range 4 vs No 4 better flash range
Max Shutter Speed 1/16000 vs 1/4000 Faster shutter speed
Weight 204 g vs 257 g 53 g lighter

Key PROs of Ricoh GR III and Panasonic Lumix DMC-GM1

Touch Screen Yes | Yes Easy control of camera functions
Screen Size 3″ | 3″ Large display
Screen Resolution 1,037k dots | 1,036k dots High resolution screen
Raw Support Yes | Yes Better image quality
AutoFocus Face Detection Yes | Yes Very handy for portraits
Bracketing Yes | Yes Useful for tough lighting conditions and HDR

Key CONs of Ricoh GR III and Panasonic Lumix DMC-GM1

Screen Type Fixed Type | Fixed Type No flexible viewing angles
Microphone Port No | No No microphone port
Headphone Port No | No No headphone port
Continuous Shooting fps | 5.0 fps Low continuous shooting
Environmental Sealing No | No No environmental sealing

Ricoh GR III vs Panasonic Lumix DMC-GM1: Comparing Two Models By Physical Characteristics

Before heading straight to the technical characteristics of each model, let’s start with comparing their physical specs. Let’s start with looking at the physical difference of the two products. Below are images that clearly show the sizes of Ricoh GR III and Panasonic Lumix DMC-GM1 from the front view.

Ricoh GR III
Panasonic Lumix DMC-GM1
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Now, let’s go on and see how the reviewed models are different or similar by the top view.

Ricoh GR III
Panasonic Lumix DMC-GM1
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After looking at these images, you should get a clear idea of each model’s dimensions and how they are different from each other. However, we are not going to stop there. The next characteristic worth looking at is the weight. Of course, not every photographer is concerned about the weight, for example, it wouldn't be a decisive point for those who shoot in a studio. However, it is still an important factor because if you happen to go on a long photo session or just love having the camera with you wherever you go, you want to be sure that the chosen model isn't too heavy.

Speaking of weight, Panasonic Lumix DMC-GM1 is a lighter option of these two, as it weights 53g less than the Ricoh GR III. This difference, in fact, can become a significant disadvantage for the photographers, who prefer to have their cameras with them wherever they go.

Comparing Ricoh GR III and Panasonic Lumix DMC-GM1 by the type of Sensor and Resolution

Sensor is, without a doubt, the most significant element of every digital camera. Its type, size, and resolution are the factors that define the quality of future shots. Thus, it is barely possible to pick a suitable camera without looking at these specs.

Are Ricoh GR III and Panasonic Lumix DMC-GM1 any different in terms of sensor type?

In fact, that's exactly what makes these two models really different. Thus, it is a good point to consider if your are choosing between these two cameras. Ricoh GR III features a 24.0 MP APS-C sized CMOS sensor . Panasonic Lumix DMC-GM1, in its turn, comes with a 16.0 MP Four Thirds sized CMOS sensor , which makes it significantly different from the first model.

Take a look below to find the comparison of Ricoh GR III and Panasonic Lumix DMC-GM1 by the size of their sensors.

Ricoh GR III
Panasonic Lumix DMC-GM1
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One more distinctive feature of compared models is the sensor size. Ricoh GR III has a sensor area 0.6x bigger compared to Panasonic Lumix DMC-GM1. What does it mean? This basically means that if you these cameras them with the same aperture and focal length, the first model will give you more control in terms of the blurry background and depth of field.

For Which Fields Of Photography Are Ricoh GR III and Panasonic Lumix DMC-GM1 Suitable?

If you are interested in photography or has made a career in this field, you should know that different types of shooting actually require different camera characteristics. While one model can produce outstanding portraits, at the same time, it can be terrible for shooting landscapes, and so on. Thus, before you purchase a specific camera, it is vital to decide, which type of shooting you do most often and consider an option that suits it the most.

This section of our comparison is devoted to the performance of Ricoh GR III and Panasonic Lumix DMC-GM1 in different fields of photography. Here we are going to look at the five main areas and evaluate how well each of the reviewed models performs in them. This will help you choose an option that suits your needs the most depending on your interest in one or several of these fields.

Photography Type Ricoh GR III Panasonic Lumix DMC-GM1
Portrait Photography
93%
60%
Street Photography
98%
32%
Sports Photography
48%
42%
Daily Photography
2%
7%
Landscape Photography
81%
71%

Ricoh GR III for Portrait Photography

Advantages:

  • Large APS-C (23.5 x 15.6 mm) sensor
  • High resolution sensor (24 MP)
  • Image Stabilization
  • Face Detection Focusing

Disadvantages:

No Significant Disadvantages

Panasonic Lumix DMC-GM1 for Portrait Photography

Advantages:

  • Fast Max Shutter Speed (1/16000s)
  • Face Detection Focusing

Disadvantages:

  • Small Four Thirds (17.3 x 13 mm) sensor
  • No Image Stabilization

Ricoh GR III for Street Photography

Advantages:

  • Small size (109 x 62 x 33 mm)
  • Built-in View Finder
  • Live View
  • Image Stabilization
  • Large APS-C(23.5 x 15.6 mm) sensor

Disadvantages:

No Significant Disadvantages

Panasonic Lumix DMC-GM1 for Street Photography

Advantages:

  • Small size (99 x 55 x 30 mm)
  • Live View
  • Large Four Thirds(17.3 x 13 mm) sensor

Disadvantages:

  • No Built-in View Finder
  • No Image Stabilization

Ricoh GR III for Sports Photography

Advantages:

No Significant Advantages

Disadvantages:

  • Slow Continuous Shooting ( fps)
  • No Environmental Sealing
  • Slow Max Shutter Speed (1/4000s)
  • Bad Max Native ISO (0)
  • Small size (109 x 62 x 33 mm)

Panasonic Lumix DMC-GM1 for Sports Photography

Advantages:

  • Fast Max Shutter Speed (1/16000s)
  • No View Finder

Disadvantages:

  • Slow Continuous Shooting (5.0 fps)
  • No Environmental Sealing
  • Smal Number of autofocus Points (23)
  • Bad Low Light ISO (660)
  • Small battery life (230 shots)
  • Small size (99 x 55 x 30 mm)

Ricoh GR III for Daily Photography

Advantages:

  • Large APS-C (23.5 x 15.6 mm) sensor
  • Small weight (257 g)
  • Built-in View Finder
  • Live View
  • Wireless Connectivity
  • Video is available

Disadvantages:

  • No Built-in Flash

Panasonic Lumix DMC-GM1 for Daily Photography

Advantages:

  • Small weight (204 g)
  • Small size (99 x 55 x 30 mm)
  • Built-in Flash
  • Live View
  • Wireless Connectivity
  • Video is available

Disadvantages:

  • Small Four Thirds (17.3 x 13 mm) sensor
  • No Built-in View Finder

Ricoh GR III for Landscape Photography

Advantages:

  • Large APS-C (23.5 x 15.6 mm) sensor
  • High resolution sensor (24 MP)
  • Live View
  • RAW Support

Disadvantages:

  • No Environmental Sealing
  • Bad Max Native ISO (0)

Panasonic Lumix DMC-GM1 for Landscape Photography

Advantages:

  • Good Dynamic Range (11.7)
  • Live View
  • RAW Support

Disadvantages:

  • Small Four Thirds (17.3 x 13 mm) sensor
  • Low resolution sensor (16 MP)
  • No Environmental Sealing
  • Bad Low Light ISO (660)

Comparison of Ricoh GR III vs Panasonic Lumix DMC-GM1: Final Verdict

Hopefully, our detailed overview of these models has helped you consider all the main specs, pros and cons of each cameras. Maybe, after reading this comparison, some of you have already decided which option to opt for depending on your needs and preferences. However, if you are still wondering which option is a better choice, Ricoh GR III or Panasonic Lumix DMC-GM1, below you can see what scores each of them received in five different aspects. To wrap up, we have used our unique Decision Algorithm that assesses different camera models upon 63 different factors including their price, and, if possible, DxO Mark scores. This algorithm allows us to make our verdict more consistent and objective.

What is our final verdict? Based on our comparison and the final scores of Ricoh GR III and Panasonic Lumix DMC-GM1 here is what we can say in conclusion:

According all the factors that we considered in the process of comparing these two cameras, Panasonic Lumix DMC-GM1 deserves a higher Total Score than the Ricoh GR III. Thus, if you are choosing between these options, we would recommend you to choose the first model over the other one.

Ricoh GR III vs Panasonic Lumix DMC-GM1 Table Of Technical Specs

For better understanding of each model’s technical characteristics, find the detailed comparison below:

Ricoh GR III Panasonic Lumix DMC-GM1
General
Brand Ricoh Panasonic
Model GR III Lumix DMC-GM1
Announced Sep 25, 2018 Dec 19, 2013
Body Type Large sensor compact Rangefinder-style mirrorless
Sensor
Sensor Type CMOS CMOS
Sensor Size APS-C Four Thirds
Sensor Dimensions 23.5 x 15.6 mm 17.3 x 13 mm
Sensor Area 366.60 mm2 224.90 mm2
Sensor Resolution 24.0 MP 16.0 MP
Max Image Resolution 6000 x 4000 4592 x 3448
Max Native ISO 0 25,600
Max Boosted ISO n/a n/a
Min Native ISO 0 200
RAW Support Yes Yes
Lens
Manual Focus Yes Yes
Lens Mount Fixed lens Micro Four Thirds
Number of Lenses n/a 94
Focal Length Multiplier n/a 2x
Macro Focus Range 6
AutoFocus
AF Touch Yes Yes
AF Continuous Yes Yes
AF Single Yes Yes
AF Tracking Yes Yes
AF Selective Yes Yes
AF Center Yes Yes
AF Multi Area Yes Yes
AF Live View Yes Yes
AF Face Detection Yes Yes
AF Contrast Detection Yes Yes
AF Phase Detection Yes No
Number of Focus Points n/a 23
Number of Cross Focus Points n/a n/a
Screen
Screen Type Fixed Type Fixed Type
Screen Size 3″ 3″
Screen Resolution 1,037k dots 1,036k dots
Live View Yes Yes
Touch Screen Yes Yes
ViewFinder
ViewFinder Optical (optional)
ViewFinder Resolution 0k dots 0k dots
ViewFinder Coverage % %
ViewFinder Magnification
Photography Features
Min Shutter Speed 30 s 60 s
Max Shutter Speed 1/4000 s 1/16000 s
Continuous Shooting fps 5.0 fps
Shutter Priority Yes Yes
Aperture Priority Yes Yes
Manual Exposure Mode Yes Yes
Exposure Compensation Yes Yes
Custom White Balance Yes Yes
Image Stabilization Yes No
Built-in Flash No Yes
Flash Range 0 4
Flash Modes Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye Auto, Red-Eye, Slow Sync
External Flash Yes No
AE Bracketing Yes Yes
WB Bracketing No Yes
Exposure Modes
Multi-Segment Yes Yes
Average Yes No
Spot Yes Yes
Partial No No
AF-Area No No
Center Weighted No Yes
Video Features
Video Resolutions 1920 x 1080 @ 60p, MOV, H.264, Linear PCM 1920 x 1080 (60i, 50i, 24p), 1280 x 720p (60p, 50p), 640 x 480 (30p, 25p)
Max Video Resolution 1920 x 1080 1920 x 1080
Video Formats MPEG-4, H.264 MPEG-4, AVCHD
Microphone Port No No
Headphone Port No No
Connectivity
Wireless Connectivity Yes Yes
HDMI No Yes
USB USB 1 USB 2.0
Physical
Environmental Sealing No No
Water Proof No No
Dust Proof No No
Shock Proof No No
Crush Proof No No
Freeze Proof No No
Weight 257 g 204 g
Physical Dimensions 109 x 62 x 33 mm 99 x 55 x 30 mm
Battery Life n/a 230 shots
Battery Type n/a Battery Pack
Battery Model n/a n/a
Other Features
Self Timer Yes Yes
Timelapse Recording No Yes
GPS
Storage Type Internal, SD/SDHC/SDXC (UHS-I supported) SD/SDHC/SDXC
Storage Slots 1 1

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