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Olympus E-M1 III vs Ricoh GR IIIx

The Olympus OM-D E-M1 Mark III and the Ricoh GR IIIx are two digital cameras that were officially introduced, respectively, in February 2020 and September 2021. The E-M1 III is a mirrorless interchangeable lens camera, while the GR IIIx is a fixed lens compact. The cameras are based on a Four Thirds (E-M1 III) and an APS-C (GR IIIx) sensor. The Olympus has a resolution of 20.2 megapixels, whereas the Ricoh provides 24 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Olympus E-M1 III
versus
Ricoh GR IIIx
Olympus E-M1 III   Ricoh GR IIIx
Mirrorless system camera Fixed lens compact camera
Micro Four Thirds lenses 40mm f/2.8
20.2 MP – Four Thirds sensor 24 MP – APS-C sensor
4K/30p Video 1080/60p Video
ISO 200-25,600 ISO 100-102,400
Electronic viewfinder (2360k dots) Viewfinder optional
3.0" LCD – 1037k dots 3.0" LCD – 1037k dots
Swivel touchscreen Fixed touchscreen
18 shutter flaps per second 4 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodynot weather sealed
420 shots per battery charge200 shots per battery charge
134 x 91 x 69 mm, 580 g 109 x 62 x 35 mm, 262 g
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Check GR IIIx price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M1 Mark III and the Ricoh GR IIIx? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

An illustration of the physical size and weight of the Olympus E-M1 III and the Ricoh GR IIIx is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

Size Olympus E-M1 III vs Ricoh GR IIIx
Compare E-M1 III versus GR IIIx top
Comparison E-M1 III or GR IIIx rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Ricoh GR IIIx is considerably smaller (45 percent) than the Olympus E-M1 III. It is worth mentioning in this context that the E-M1 III is splash and dust resistant, while the GR IIIx does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the GR IIIx has a lens built in, whereas the E-M1 III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the E-M1 III and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the E-M1 III gets 420 shots out of its Olympus BLH-1 battery, while the GR IIIx can take 200 images on a single charge of its Ricoh DB-110 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M1 III 134 mm 91 mm 69 mm 580 g 420 Y Feb 2020 1,799ebay.com
2.
 
Ricoh GR IIIx 109 mm 62 mm 35 mm 262 g 200 n Sep 2021 999 amazon.com
3.
 
Fujifilm X-S10 126 mm 85 mm 65 mm 465 g 325 n Oct 2020 999 amazon.com
4.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199ebay.com
5.
 
Olympus E-M1X 144 mm 147 mm 75 mm 997 g 870 Y Jan 2019 2,999ebay.com
6.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999ebay.com
7.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
8.
 
OM System OM-1 135 mm 92 mm 73 mm 599 g 520 Y Feb 2022 2,199ebay.com
9.
 
Panasonic GH5 II 139 mm 98 mm 87 mm 727 g 400 Y May 2021 1,699 amazon.com
10.
 
Panasonic G95 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 999ebay.com
11.
 
Panasonic G9 137 mm 97 mm 92 mm 658 g 400 Y Nov 2017 1,699ebay.com
12.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999ebay.com
13.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199ebay.com
14.
 
Ricoh GR III 109 mm 62 mm 33 mm 257 g 200 n Feb 2019 899 amazon.com
15.
 
Ricoh GR II 117 mm 63 mm 35 mm 251 g 320 n Jun 2015 699ebay.com
16.
 
Sony RX100 VI 102 mm 58 mm 43 mm 301 g 240 n Jun 2018 1,199ebay.com
17.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The GR IIIx was launched at a lower price than the E-M1 III, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-M1 III features a Four Thirds sensor and the Ricoh GR IIIx an APS-C sensor. The sensor area in the GR IIIx is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the E-M1 III has a native 4:3 aspect ratio, while the one in the GR IIIx offers a 3:2 aspect.

Olympus E-M1 III and Ricoh GR IIIx sensor measures

With 24MP, the GR IIIx offers a higher resolution than the E-M1 III (20.2MP), but the GR IIIx nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.34μm for the E-M1 III) due to its larger sensor. Moreover, the GR IIIx is a somewhat more recent model (by 1 year and 6 months) than the E-M1 III, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Ricoh GR IIIx implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GR IIIx for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Olympus E-M1 III are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

Unlike the GR IIIx, the E-M1 III has the capacity to capture high quality composite images (80MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Olympus OM-D E-M1 Mark III has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 64-25600. The corresponding ISO settings for the Ricoh GR IIIx are ISO 100 to ISO 102400 (no boost).

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

E-M1 III versus GR IIIx MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p23.313.1135676
2.
 
Ricoh GR IIIx APS-C 24.0 6000 40001080/60p24.213.8214685
3.
 
Fujifilm X-S10 APS-C 26.0 6240 41604K/30p24.213.7205785
4.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p23.313.1132476
5.
 
Olympus E-M1X Four Thirds 20.2 5184 38884K/30p23.213.0125475
6.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
7.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
8.
 
OM System OM-1 Four Thirds 20.2 5184 38884K/60p23.413.4155377
9.
 
Panasonic GH5 II Four Thirds 20.2 5184 38884K/60p23.713.1113679
10.
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p23.213.0127375
11.
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p23.112.8113874
12.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
13.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
14.
 
Ricoh GR III APS-C 24.0 6000 40001080/60p24.113.5189783
15.
 
Ricoh GR II APS-C 16.1 4928 32641080/30p23.613.7107880
16.
 
Sony RX100 VI 1-inch 20.0 5472 36484K/30p22.112.347864
17.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the E-M1 III provides a higher video resolution than the GR IIIx. It can shoot video footage at 4K/30p, while the Ricoh is limited to 1080/60p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M1 III has an electronic viewfinder (2360k dots), which can be very helpful when shooting in bright sunlight. In contrast, the GR IIIx relies on live view and the rear LCD for framing. That said, the GR IIIx can be equipped with an optional viewfinder – the GV-3. The table below summarizes some of the other core capabilities of the Olympus E-M1 III and Ricoh GR IIIx in connection with corresponding information for a sample of similar cameras.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus E-M1 III2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
2.
 
Ricoh GR IIIxoptional n3.0 / 1037 fixed Y 1/4000s 4.0/s n Y
3.
 
Fujifilm X-S102360 n3.0 / 1040 swivel Y 1/4000s 8.0/s Y Y
4.
 
Olympus E-M5 III2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
5.
 
Olympus E-M1X2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
6.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
7.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
8.
 
OM System OM-15760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
9.
 
Panasonic GH5 II3680 n3.0 / 1840 swivel Y 1/8000s 12.0/s n Y
10.
 
Panasonic G952360 n3.0 / 1240 swivel Y 1/4000s 9.0/s Y Y
11.
 
Panasonic G93680 Y3.0 / 1040 swivel Y 1/8000s 20.0/s n Y
12.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
13.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
14.
 
Ricoh GR IIIoptional n3.0 / 1037 fixed Y 1/4000s 4.0/s n Y
15.
 
Ricoh GR IIoptional n3.0 / 1230 fixed n 1/4000s 4.0/s Y n
16.
 
Sony RX100 VI2359 n3.0 / 1229 tilting Y 1/2000s 24.0/s Y Y
17.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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The E-M1 III has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the GR IIIx does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the E-M1 III is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Olympus E-M1 III and the Ricoh GR IIIx both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the E-M1 III and the GR IIIx write their files to SDXC cards. The E-M1 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the GR IIIx only has one slot. The E-M1 III supports UHS-II cards (on its first slot), while the GR IIIx can use UHS-I cards.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus OM-D E-M1 Mark III and Ricoh GR IIIx and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-M1 IIIYstereo / monoYYmicro3.1Y-Y
2.
 
Ricoh GR IIIxYstereo / mono---3.0Y-Y
3.
 
Fujifilm X-S10Ystereo / monoY-micro3.2Y-Y
4.
 
Olympus E-M5 IIIYstereo / monoY-micro2.0Y-Y
5.
 
Olympus E-M1XYstereo / monoYYmicro3.0Y-Y
6.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
7.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
8.
 
OM System OM-1Ystereo / monoYYmicro3.0Y-Y
9.
 
Panasonic GH5 IIYstereo / monoYYfull3.2Y-Y
10.
 
Panasonic G95Ystereo / monoYYmicro2.0Y-Y
11.
 
Panasonic G9Ystereo / monoYYfull3.0Y-Y
12.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
13.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-
14.
 
Ricoh GR IIIYstereo / mono---3.0Y-Y
15.
 
Ricoh GR IIYstereo / mono--micro2.0YY-
16.
 
Sony RX100 VI-stereo / mono--micro2.0YYY
17.
 
Sony RX100 V-stereo / mono--micro2.0YY-
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It is notable that the E-M1 III has a microphone port, which is missing on the GR IIIx. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Olympus E-M1 III (unlike the GR IIIx) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The GR IIIx is a recent model that features in the current product line-up of Ricoh. In contrast, the E-M1 III has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the E-M1 III was succeeded by the OM System OM-1. Further information on the features and operation of the E-M1 III and GR IIIx can be found, respectively, in the Olympus E-M1 III Manual (free pdf) or the online Ricoh GR IIIx Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Olympus E-M1 III or the Ricoh GR IIIx – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Olympus OM-D E-M1 Mark III:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (18 vs 4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Longer lasting: Can take more shots (420 versus 200) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More heavily discounted: Has been on the market for longer (launched in February 2020).

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Advantages of the Ricoh GR IIIx:

  • More detail: Has more megapixels (24 vs 20.2MP), which boosts linear resolution by 11%.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Ready to shoot: Has an integrated lens, whereas the E-M1 III necessitates an extra lens.
  • More compact: Is smaller (109x62mm vs 134x91mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the E-M1 III).
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Was introduced somewhat (1 year and 6 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the E-M1 III is the clear winner of the match-up (17 : 10 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-M1 III 17:10 GR IIIx

How about other alternatives? Do the specifications of the Olympus E-M1 III and the Ricoh GR IIIx place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best Prime Lens Compact Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the E-M1 III or the GR IIIx perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M1 III5/5..5/583/1004.5/54/5 Feb 2020 1,799ebay.com
2.
 
Ricoh GR IIIx....4.5/5...... Sep 2021 999 amazon.com
3.
 
Fujifilm X-S105/5..4.5/586/1004.5/54.5/5 Oct 2020 999 amazon.com
4.
 
Olympus E-M5 III5/5+5/582/1004.5/54.5/5 Oct 2019 1,199ebay.com
5.
 
Olympus E-M1X4.5/5o5/585/1004.5/5.. Jan 2019 2,999ebay.com
6.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 1,999ebay.com
7.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
8.
 
OM System OM-15/5....87/1005/54.5/5 Feb 2022 2,199ebay.com
9.
 
Panasonic GH5 II4.5/5..4.5/585/1004.5/55/5 May 2021 1,699 amazon.com
10.
 
Panasonic G954.5/5+4.5/583/1004.5/54.5/5 Apr 2019 999ebay.com
11.
 
Panasonic G9..+ +5/585/1005/55/5 Nov 2017 1,699ebay.com
12.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 1,999ebay.com
13.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 1,199ebay.com
14.
 
Ricoh GR III4/5..3.5/581/1004/5.. Feb 2019 899 amazon.com
15.
 
Ricoh GR II........4.5/54.5/5 Jun 2015 699ebay.com
16.
 
Sony RX100 VI4.5/5+ +..83/1004/54.5/5 Jun 2018 1,199ebay.com
17.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Olympus E-M1 III vs Ricoh GR IIIx

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Olympus E-M1 III Ricoh GR IIIx
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Micro Four Thirds lenses 40mm f/2.8
    Launch Date February 2020 September 2021
    Launch Price USD 1,799 USD 999
    Sensor Specs Olympus E-M1 III Ricoh GR IIIx
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.5 x 15.6 mm
    Sensor Area 224.9 mm2 366.6 mm2
    Sensor Diagonal 21.6 mm 28.2 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 20.2 Megapixels 24 Megapixels
    Image Resolution 5184 x 3888 pixels 6000 x 4000 pixels
    Pixel Pitch 3.34 μm 3.91 μm
    Pixel Density 8.96 MP/cm2 6.55 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 1080/60p Video
    ISO Setting 200 - 25,600 ISO 100 - 102,400 ISO
    ISO Boost 64 - 25,600 ISO no Enhancement
    Image Processor TruePic IX GR Engine VI
    Screen Specs Olympus E-M1 III Ricoh GR IIIx
    Viewfinder Type Electronic viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.74x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 1037k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-M1 III Ricoh GR IIIx
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 18 shutter flaps/s 4 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support Single UHS-II UHS-I
    Connectivity Specs Olympus E-M1 III Ricoh GR IIIx
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.1 USB 3.0
    HDMI Port micro HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Olympus E-M1 III Ricoh GR IIIx
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Olympus BLH-1 Ricoh DB-110
    Battery Life (CIPA)420 shots per charge200 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 134 x 91 x 69 mm
    (5.3 x 3.6 x 2.7 in)
    109 x 62 x 35 mm
    (4.3 x 2.4 x 1.4 in)
    Camera Weight 580 g (20.5 oz) 262 g (9.2 oz)
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