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Olympus E-M1 vs Panasonic G3

The Olympus OM-D E-M1 and the Panasonic Lumix DMC-G3 are two digital cameras that were officially introduced, respectively, in September 2013 and May 2011. Both the E-M1 and the G3 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. The Olympus has a resolution of 15.9 megapixels, whereas the Panasonic provides 15.8 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
versus
Panasonic G3
Olympus E-M1   Panasonic G3
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Micro Four Thirds lenses
15.9 MP – Four Thirds sensor 15.8 MP – Four Thirds sensor
1080/30p Video 1080/60i Video
ISO 200-25,600 ISO 160-6,400
Electronic viewfinder (2360k dots) Electronic viewfinder (1440k dots)
3.0" LCD – 1037k dots 3.0" LCD – 460k dots
Tilting touchscreen Swivel touchscreen
10 shutter flaps per second 4 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodynot weather sealed
350 shots per battery charge270 shots per battery charge
130 x 94 x 63 mm, 497 g 115 x 84 x 47 mm, 336 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M1 and the Panasonic Lumix DMC-G3? 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 and the Panasonic G3 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 size dimensions are rounded to the nearest millimeter.

The E-M1 can be obtained in two different colors (black, silver), while the G3 is available in four color-versions (black, brown, red, white).

Size Olympus E-M1 vs Panasonic G3
Compare E-M1 versus G3 top
Comparison E-M1 or G3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G3 is notably smaller (21 percent) than the Olympus E-M1. Moreover, the G3 is markedly lighter (32 percent) than the E-M1. It is worth mentioning in this context that the E-M1 is splash and dust resistant, while the G3 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can compare the optics available in the Micro Four Thirds Lens Catalog. Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the E-M1 gets 350 shots out of its Olympus BLN-1 battery, while the G3 can take 270 images on a single charge of its Panasonic DMW-BLD10 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty 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 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
2.
 
Panasonic G3 115 mm 84 mm 47 mm 336 g 270 n May 2011 599ebay.com
3.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999ebay.com
4.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299ebay.com
5.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
6.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
7.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599ebay.com
8.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599ebay.com
9.
 
Olympus E-PM2 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 499ebay.com
10.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199ebay.com
11.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 599ebay.com
12.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 599ebay.com
13.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
14.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899ebay.com
15.
 
Panasonic GH3 133 mm 93 mm 82 mm 550 g 540 Y Sep 2012 1,299ebay.com
16.
 
Panasonic GH4 133 mm 93 mm 84 mm 560 g 500 Y Feb 2014 1,499ebay.com
17.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The G3 was launched at a markedly lower price (by 57 percent) than the E-M1, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 sensor inside a digital camera is one of the key determinants 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature a Four Thirds sensor and have a format factor (sometimes also referred to as "crop factor") of 2.0. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Olympus E-M1 and Panasonic G3 sensor measures

While the two cameras under review share the same sensor size, the E-M1 offers a slightly higher resolution of 15.9 megapixels, compared with 15.8 MP of the G3. This megapixels advantage translates into a 0.3 percent gain in linear resolution. On the other hand, these sensor specs imply that the E-M1 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.76μm versus 3.77μm for the G3). In this context, it should be noted, however, that the E-M1 is much more recent (by 2 years and 4 months) than the G3, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that the E-M1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The E-M1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Olympus OM-D E-M1 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. The corresponding ISO settings for the Panasonic Lumix DMC-G3 are ISO 160 to ISO 6400 (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 versus G3 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under review, the E-M1 provides substantially higher image quality than the G3, with an overall score that is 17 points higher. This advantage is based on 2 bits higher color depth, 2.1 EV in additional dynamic range, and 0.2 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
2.
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
3.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
4.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
5.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
6.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
7.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
8.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
9.
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
10.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
11.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
12.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
13.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
14.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
15.
 
Panasonic GH3 Four Thirds 15.9 4608 34561080/60p22.712.481271
16.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
17.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the G3 provides a faster frame rate than the E-M1. It can shoot movie footage at 1080/60i, while the Olympus is limited to 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the E-M1 offers a substantially higher resolution than the one in the G3 (2360k vs 1440k dots). The adjacent table lists some of the other core features of the Olympus E-M1 and Panasonic G3 along with similar information for a selection of comparators.

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Core Features
  empty 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-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
2.
 
Panasonic G31440 n3.0 / 460 swivel Y 1/4000s 4.0/s Y n
3.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
4.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
5.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
6.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
7.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
8.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
9.
 
Olympus E-PM2optional n3.0 / 460 fixed Y 1/4000s 8.0/s n Y
10.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
11.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
12.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0/s Y n
13.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
14.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
15.
 
Panasonic GH31746 n3.0 / 614 swivel Y 1/4000s 6.0/s Y n
16.
 
Panasonic GH42359 n3.0 / 1036 swivel Y 1/8000s 12.0/s Y n
17.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the E-M1 and the G3 is in-body image stabilization (IBIS). The E-M1 reduces the risk of handshake-induced blur with all attached lenses, while the G3 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The G3 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the E-M1 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 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 has 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 and the G3 write their files to SDXC cards. The E-M1 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the G3 cannot take advantage of Ultra High Speed SD 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 and Panasonic Lumix DMC-G3 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
2.
 
Panasonic G3Ystereo / mono--mini2.0---
3.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
4.
 
Olympus E-M5Ystereo / mono--mini2.0---
5.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
6.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
7.
 
Olympus E-PL5Ystereo / mono--mini2.0---
8.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
9.
 
Olympus E-PM2Ystereo / mono--mini2.0---
10.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
11.
 
Panasonic G2Ystereo / mono--mini2.0---
12.
 
Panasonic G5Ystereo / mono--mini2.0---
13.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
14.
 
Panasonic GH2Ystereo / monoY-mini2.0---
15.
 
Panasonic GH3Ystereo / monoYYmini2.0Y--
16.
 
Panasonic GH4Ystereo / monoYYmicro2.0YY-
17.
 
Panasonic GX1Ystereo / mono--mini2.0---

It is notable that the E-M1 has a microphone port, which is missing on the G3. 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 (unlike the G3) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-M1 and the G3 have been discontinued, but can regularly be found used on ebay. The G3 was replaced by the Panasonic G5, while the E-M1 was followed by the Olympus E-M1 II. Further information on the features and operation of the E-M1 and G3 can be found, respectively, in the Olympus E-M1 Manual (free pdf) or the online Panasonic G3 Manual.

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Review summary

So what conclusions can be drawn? Is the Olympus E-M1 better than the Panasonic G3 or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Olympus OM-D E-M1:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (17 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.1 EV of extra DR).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2360k vs 1440k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.70x).
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 460k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (350 versus 270) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 2 years and 4 months of technical progress since the G3 launch.

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Advantages of the Panasonic Lumix DMC-G3:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
  • 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.
  • More compact: Is smaller (115x84mm vs 130x94mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 161g or 32 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (57 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in May 2011).

If the count of relative strengths (bullet points above) is taken as a measure, the E-M1 is the clear winner of the match-up (20 : 9 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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 20:09 G3

How about other alternatives? Do the specifications of the Olympus E-M1 and the Panasonic G3 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-M1 or the G3. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
2.
 
Panasonic G33/5+ +..75/1004.5/55/5 May 2011 599ebay.com
3.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 1,999ebay.com
4.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 1,299ebay.com
5.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
6.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
7.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599ebay.com
8.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599ebay.com
9.
 
Olympus E-PM23/5....77/1005/54.5/5 Sep 2012 499ebay.com
10.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 1,199ebay.com
11.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 599ebay.com
12.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 599ebay.com
13.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
14.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 899ebay.com
15.
 
Panasonic GH35/5+ +..79/1004.5/54.5/5 Sep 2012 1,299ebay.com
16.
 
Panasonic GH45/5+ +..85/1005/55/5 Feb 2014 1,499ebay.com
17.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. 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 are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. 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 vs Panasonic G3

    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 Panasonic G3
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Micro Four Thirds lenses
    Launch Date September 2013 May 2011
    Launch Price USD 1,399 USD 599
    Sensor Specs Olympus E-M1 Panasonic G3
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Four Thirds Sensor
    Sensor Size 17.3 x 13.0 mm 17.3 x 13.0 mm
    Sensor Area 224.9 mm2 224.9 mm2
    Sensor Diagonal 21.6 mm 21.6 mm
    Crop Factor 2.0x 2.0x
    Sensor Resolution 15.9 Megapixels 15.8 Megapixels
    Image Resolution 4608 x 3456 pixels 4592 x 3448 pixels
    Pixel Pitch 3.76 μm 3.77 μm
    Pixel Density 7.08 MP/cm2 7.04 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/30p Video 1080/60i Video
    ISO Setting 200 - 25,600 ISO 160 - 6,400 ISO
    ISO Boost 100 - 25,600 ISO no Enhancement
    Image Processor TruePIC VII Venus FHD
    DXO Sensor Quality (score) 73 56
    DXO Color Depth (bits) 23.0 21.0
    DXO Dynamic Range (EV) 12.7 10.6
    DXO Low Light (ISO) 757 667
    Screen Specs Olympus E-M1 Panasonic G3
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.74x 0.70x
    Viewfinder Resolution 2360k dots 1440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 460k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-M1 Panasonic G3
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 10 shutter flaps/s 4 shutter flaps/s
    Electronic ShutterYESno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Olympus E-M1 Panasonic G3
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in no Wifi
    Body Specs Olympus E-M1 Panasonic G3
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Olympus BLN-1 Panasonic DMW-BLD10
    Battery Life (CIPA)350 shots per charge270 shots per charge
    Body Dimensions 130 x 94 x 63 mm
    (5.1 x 3.7 x 2.5 in)
    115 x 84 x 47 mm
    (4.5 x 3.3 x 1.9 in)
    Camera Weight 497 g (17.5 oz) 336 g (11.9 oz)
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    Check E-M1 offers at
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    Check G3 offers at
    ebay.com

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