Olympus E-M5 III vs Ricoh GR Digital III
80 Imaging
61 Features
88 Overall
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92 Imaging
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Olympus E-M5 III vs Ricoh GR Digital III Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 414g - 125 x 85 x 50mm
- Revealed October 2019
- Succeeded the Olympus E-M5 II
- Updated by OM System OM-5
(Full Review)
- 10MP - 1/1.7" Sensor
- 3" Fixed Display
- ISO 64 - 1600
- 640 x 480 video
- 28mm (F1.9) lens
- 208g - 109 x 59 x 26mm
- Revealed July 2009
- Newer Model is Ricoh GR Digital IV

Olympus E-M5 III vs Ricoh GR Digital III Overview
The following is a detailed comparison of the Olympus E-M5 III and Ricoh GR Digital III, one is a Advanced Mirrorless and the other is a Small Sensor Compact by competitors Olympus and Ricoh. There exists a big gap between the resolutions of the E-M5 III (20MP) and GR Digital III (10MP) and the E-M5 III (Four Thirds) and GR Digital III (1/1.7") boast different sensor sizing.

The E-M5 III was unveiled 10 years after the GR Digital III which is quite a big gap as far as technology is concerned. The two cameras feature different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Ricoh GR Digital III being a Compact camera.
Before going into a complete comparison, here is a simple view of how the E-M5 III matches up versus the GR Digital III in relation to portability, imaging, features and an overall mark.

Olympus E-M5 III vs Ricoh GR Digital III Gallery
The following is a sample of the gallery pics for Olympus OM-D E-M5 III and Ricoh GR Digital III. The full galleries are available at Olympus E-M5 III Gallery and Ricoh GR Digital III Gallery.
Reasons to pick Olympus E-M5 III over the Ricoh GR Digital III
E-M5 III | GR Digital III | |||
---|---|---|---|---|
Revealed | October 2019 | ![]() | July 2009 | Newer by 125 months |
Display type | Fully Articulated | ![]() | Fixed | Fully Articulating display |
Display resolution | 1040k | ![]() | 920k | Clearer display (+120k dot) |
Selfie screen | ![]() | Take selfies | ||
Touch display | ![]() | Easily navigate |
Reasons to pick Ricoh GR Digital III over the Olympus E-M5 III
GR Digital III | E-M5 III |
---|
Common features in the Olympus E-M5 III and Ricoh GR Digital III
E-M5 III | GR Digital III | |||
---|---|---|---|---|
Focus manually | ![]() | Dial accurate focus | ||
Display size | 3" | ![]() | 3" | Same display measurement |
Olympus E-M5 III vs Ricoh GR Digital III Physical Comparison
If you're planning to travel with your camera, you'll need to take into account its weight and size. The Olympus E-M5 III features outer dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") accompanied by a weight of 414 grams (0.91 lbs) and the Ricoh GR Digital III has specifications of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") and a weight of 208 grams (0.46 lbs).
Check the Olympus E-M5 III and Ricoh GR Digital III in the all new Camera and Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with during that time. Below is a front view size comparison of the E-M5 III and the GR Digital III.

Taking into account dimensions and weight, the portability grade of the E-M5 III and GR Digital III is 80 and 92 respectively.

Olympus E-M5 III vs Ricoh GR Digital III Sensor Comparison
More often than not, it's hard to visualize the contrast between sensor dimensions purely by checking specifications. The pic underneath might provide you a greater sense of the sensor dimensions in the E-M5 III and GR Digital III.
To sum up, both of the cameras come with different megapixels and different sensor dimensions. The E-M5 III with its larger sensor is going to make getting bokeh easier and the Olympus E-M5 III will resolve greater detail having an extra 10MP. Greater resolution will help you crop photos a good deal more aggressively. The fresher E-M5 III provides an advantage when it comes to sensor innovation.

Olympus E-M5 III vs Ricoh GR Digital III Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus E-M5 III vs Ricoh GR Digital III Specifications
Olympus OM-D E-M5 III | Ricoh GR Digital III | |
---|---|---|
General Information | ||
Brand | Olympus | Ricoh |
Model type | Olympus OM-D E-M5 III | Ricoh GR Digital III |
Class | Advanced Mirrorless | Small Sensor Compact |
Revealed | 2019-10-17 | 2009-07-27 |
Body design | SLR-style mirrorless | Compact |
Sensor Information | ||
Processor Chip | TruePic VIII | GR engine III |
Sensor type | MOS | CCD |
Sensor size | Four Thirds | 1/1.7" |
Sensor measurements | 17.4 x 13mm | 7.44 x 5.58mm |
Sensor surface area | 226.2mm² | 41.5mm² |
Sensor resolution | 20MP | 10MP |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3 and 3:2 |
Full resolution | 5184 x 3888 | 3648 x 2736 |
Max native ISO | 25600 | 1600 |
Lowest native ISO | 200 | 64 |
RAW photos | ||
Lowest boosted ISO | 64 | - |
Autofocusing | ||
Manual focusing | ||
AF touch | ||
Continuous AF | ||
Single AF | ||
AF tracking | ||
AF selectice | ||
Center weighted AF | ||
AF multi area | ||
Live view AF | ||
Face detect focusing | ||
Contract detect focusing | ||
Phase detect focusing | ||
Total focus points | 121 | - |
Lens | ||
Lens mount type | Micro Four Thirds | fixed lens |
Lens zoom range | - | 28mm (1x) |
Maximal aperture | - | f/1.9 |
Macro focusing distance | - | 1cm |
Total lenses | 107 | - |
Focal length multiplier | 2.1 | 4.8 |
Screen | ||
Display type | Fully Articulated | Fixed Type |
Display diagonal | 3 inch | 3 inch |
Display resolution | 1,040 thousand dot | 920 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Viewfinder Information | ||
Viewfinder | Electronic | Optical (optional) |
Viewfinder resolution | 2,360 thousand dot | - |
Viewfinder coverage | 100% | - |
Viewfinder magnification | 0.68x | - |
Features | ||
Lowest shutter speed | 60s | 1s |
Highest shutter speed | 1/8000s | 1/2000s |
Highest quiet shutter speed | 1/32000s | - |
Continuous shooting speed | 30.0fps | - |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | no built-in flash | 3.00 m |
Flash settings | Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual | Auto, On, Off, Red-Eye, Slow Sync, Manual |
External flash | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Highest flash sync | 1/250s | - |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM | 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
Max video resolution | 4096x2160 | 640x480 |
Video data format | MPEG-4, H.264 | - |
Microphone input | ||
Headphone input | ||
Connectivity | ||
Wireless | Built-In | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 414 gr (0.91 lb) | 208 gr (0.46 lb) |
Physical dimensions | 125 x 85 x 50mm (4.9" x 3.3" x 2.0") | 109 x 59 x 26mm (4.3" x 2.3" x 1.0") |
DXO scores | ||
DXO All around rating | not tested | not tested |
DXO Color Depth rating | not tested | not tested |
DXO Dynamic range rating | not tested | not tested |
DXO Low light rating | not tested | not tested |
Other | ||
Battery life | 310 photographs | - |
Form of battery | Battery Pack | - |
Battery ID | BLN-1 | - |
Self timer | Yes (2 or 10 secs, custom) | Yes (2 or 10 sec) |
Time lapse recording | ||
Storage media | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC, Internal |
Storage slots | One | One |
Price at launch | $1,199 | $399 |