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Olympus E-P2 vs Panasonic GM1

The Olympus PEN E-P2 and the Panasonic Lumix DMC-GM1 are two digital cameras that were officially introduced, respectively, in November 2009 and October 2013. Both the E-P2 and the GM1 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. The Olympus has a resolution of 12.2 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-P2
versus
Panasonic GM1
Olympus E-P2   Panasonic GM1
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Micro Four Thirds lenses
12.2 MP – Four Thirds sensor 15.8 MP – Four Thirds sensor
720/30p Video 1080/60i Video
ISO 100-6,400 ISO 200-25,600
Viewfinder optional No viewfinder, LCD framing
3.0" LCD – 230k dots 3.0" LCD – 1036k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
3 shutter flaps per second 5 shutter flaps per second
In-body stabilizationLens stabilization only
300 shots per battery charge230 shots per battery charge
121 x 70 x 36 mm, 355 g 99 x 55 x 30 mm, 204 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-P2 and the Panasonic Lumix DMC-GM1? 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.

Body comparison

The physical size and weight of the Olympus E-P2 and the Panasonic GM1 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The E-P2 can be obtained in three different colors (black, silver, white), while the GM1 is also available in three color-versions, but different ones (black, silver, red).

Size Olympus E-P2 vs Panasonic GM1
Compare E-P2 versus GM1 top
Comparison E-P2 or GM1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GM1 is considerably smaller (36 percent) than the Olympus E-P2. Moreover, the GM1 is substantially lighter (43 percent) than the E-P2. In this context, it is worth noting that neither the E-P2 nor the GM1 are weather-sealed.

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-P2 gets 300 shots out of its BLS-1 battery, while the GM1 can take 230 images on a single charge of its DMW-BLH7 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-P2 121 mm 70 mm 36 mm 355 g 300 n Nov 2009 799ebay.com
2.
 
Panasonic GM1 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 749ebay.com
3.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799ebay.com
4.
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599ebay.com
5.
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599ebay.com
6.
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599ebay.com
7.
 
Olympus E-620 130 mm 94 mm 60 mm 521 g 500 n Feb 2009 699ebay.com
8.
 
Olympus E-P1 121 mm 70 mm 36 mm 355 g 300 n Jun 2009 799ebay.com
9.
 
Olympus E-520 136 mm 92 mm 68 mm 535 g 750 n May 2008 699ebay.com
10.
 
Panasonic GM5 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 749ebay.com
11.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
12.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999ebay.com
13.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699ebay.com
14.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499ebay.com
15.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899ebay.com
16.
 
Panasonic GF1 119 mm 71 mm 36 mm 385 g 380 n Sep 2009 749ebay.com
17.
 
Panasonic GH1 124 mm 90 mm 45 mm 385 g 300 n Mar 2009 899ebay.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 naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The GM1 was somewhat cheaper (by 6 percent) than the E-P2 at launch, but both cameras fall into the same price category. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 are more costly to manufacture and tend to lead to bigger and heavier cameras 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-P2 and Panasonic GM1 sensor measures

While the two cameras under review share the same sensor size, the GM1 offers a higher resolution of 15.8 megapixels, compared with 12.2 MP of the E-P2. This megapixels advantage translates into a 14 percent gain in linear resolution. On the other hand, these sensor specs imply that the GM1 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.77μm versus 4.29μm for the E-P2). However, it should be noted that the GM1 is much more recent (by 3 years and 11 months) than the E-P2, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size.

The resolution advantage of the Panasonic GM1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GM1 for good quality output (200 dots per inch) amounts to 23 x 17.2 inches or 58.3 x 43.8 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.7 x 35 cm, and for excellent quality (300 dpi) 15.3 x 11.5 inches or 38.9 x 29.2 cm. The corresponding values for the Olympus E-P2 are 20.2 x 15.1 inches or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inches or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inches or 34.1 x 25.6 cm for excellent quality prints.

The Olympus PEN E-P2 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Panasonic Lumix DMC-GM1 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 125-25600.

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-P2 versus GM1 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the GM1 has a markedly higher DXO score than the E-P2 (overall score 10 points higher), which will translate into better image quality. The advantage is based on 0.8 bits higher color depth, 1.3 EV in additional dynamic range, and 0.4 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
2.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
3.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
4.
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
5.
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
6.
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
7.
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
8.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
9.
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
10.
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166
11.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
12.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
13.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
14.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
15.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
16.
 
Panasonic GF1 Four Thirds 12.0 4000 3000720/30p21.210.351354
17.
 
Panasonic GH1 Four Thirds 12.0 4000 30001080/24p21.611.677264

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 GM1 provides a better video resolution than the E-P2. It can shoot movie footage at 1080/60i, while the Olympus is limited to 720/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The E-P2 and the GM1 are similar in the sense that neither of the two has a viewfinder. The images are, thus, framed using live view on the rear LCD. That said, the E-P2 can be equipped with an optional viewfinder – the VF-2. The following table reports on some other key feature differences and similarities of the Olympus E-P2, the Panasonic GM1, and comparable cameras.

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Core Features
    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-P2optional n3.0 / 230 fixed n 1/4000s 3.0/s n Y
2.
 
Panasonic GM1none n3.0 / 1036 fixed Y 1/500s 5.0/s Y n
3.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
4.
 
Olympus E-PL2optional n3.0 / 460 fixed n 1/4000s 3.0/s Y Y
5.
 
Olympus E-PL3optional n3.0 / 460 tilting n 1/4000s 5.5/s n Y
6.
 
Olympus E-PL1optional n2.7 / 230 fixed n 1/2000s 3.0/s Y Y
7.
 
Olympus E-620optical n2.7 / 230 swivel n 1/4000s 4.0/s Y Y
8.
 
Olympus E-P1none n3.0 / 230 fixed n 1/4000s 3.0/s n Y
9.
 
Olympus E-520optical n2.7 / 215 fixed n 1/4000s 3.5/s Y Y
10.
 
Panasonic GM51166 n3.0 / 921 fixed Y 1/500s 5.8/s n n
11.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
12.
 
Panasonic GX72760 n3.0 / 1040 tilting Y 1/8000s 5.0/s Y Y
13.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
14.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
15.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
16.
 
Panasonic GF1optional n3.0 / 460 fixed n 1/4000s 3.0/s Y n
17.
 
Panasonic GH11440 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the E-P2 and the GM1 is in-body image stabilization (IBIS). The E-P2 reduces the risk of handshake-induced blur with all attached lenses, while the GM1 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

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 GM1 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 Panasonic GM1 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.

The E-P2 writes its imaging data to SDHC cards, while the GM1 uses SDXC cards. The GM1 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the E-P2 cannot take advantage of Ultra High Speed SD cards.

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 PEN E-P2 and Panasonic Lumix DMC-GM1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-P2Ystereo / ---mini2.0---
2.
 
Panasonic GM1-stereo / mono--micro2.0Y--
3.
 
Olympus E-P3Ystereo / ---mini2.0---
4.
 
Olympus E-PL2Ystereo / ---mini2.0---
5.
 
Olympus E-PL3Ystereo / ---mini2.0---
6.
 
Olympus E-PL1Ystereo / ---mini2.0---
7.
 
Olympus E-620Y- / ----2.0---
8.
 
Olympus E-P1Ystereo / ---mini2.0---
9.
 
Olympus E-520Y- / ----2.0---
10.
 
Panasonic GM5Ystereo / mono--micro2.0Y--
11.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
12.
 
Panasonic GX7Ystereo / mono--mini2.0YY-
13.
 
Panasonic GX1Ystereo / mono--mini2.0---
14.
 
Panasonic G10Ymono / ---mini2.0---
15.
 
Panasonic GH2Ystereo / monoY-mini2.0---
16.
 
Panasonic GF1Ymono / mono--mini2.0---
17.
 
Panasonic GH1Ystereo / -Y-mini2.0---

It is notable that the E-P2 has a hotshoe, while the GM1 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Both the E-P2 and the GM1 have been discontinued, but can regularly be found used on ebay. The E-P2 was replaced by the Olympus E-P3, while the GM1 was followed by the Panasonic GM5. Further information on the features and operation of the E-P2 and GM1 can be found, respectively, in the Olympus E-P2 Manual (free pdf) or the online Panasonic GM1 Manual.

Review summary

So what is the bottom line? Is there a clear favorite between the Olympus E-P2 and the Panasonic GM1? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Olympus PEN E-P2:

  • More framing options: Can be equipped with a hotshoe-mounted accessory-viewfinder.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/500s) to freeze action.
  • Longer lasting: Can take more shots (300 versus 230) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More heavily discounted: Has been available for much longer (launched in November 2009).

ilogo

Arguments in favor of the Panasonic Lumix DMC-GM1:

  • More detail: Has more megapixels (15.8 vs 12.2MP), which boosts linear resolution by 14%.
  • Better image quality: Scores markedly higher (10 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (1.3 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.4 stops ISO advantage).
  • Better video: Provides higher definition movie capture (1080/60i vs 720/30p).
  • More detailed LCD: Has a higher resolution rear screen (1036k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (5 vs 3 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.
  • More compact: Is smaller (99x55mm vs 121x70mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 151g or 43 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 3 years and 11 months of technical progress since the E-P2 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the GM1 is the clear winner of the contest (16 : 6 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-P2 06:16 GM1

How about other alternatives? Do the specifications of the Olympus E-P2 and the Panasonic GM1 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-P2 or the GM1. 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 where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-P23/5+..69/1004/54.5/5 Nov 2009 799ebay.com
2.
 
Panasonic GM13/5+..78/1005/54.5/5 Oct 2013 749ebay.com
3.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 799ebay.com
4.
 
Olympus E-PL23/583/100..71/1004.5/54.5/5 Jan 2011 599ebay.com
5.
 
Olympus E-PL33/5+ +..72/1004.5/54/5 Jun 2011 599ebay.com
6.
 
Olympus E-PL1..86/100..69/1004/54.5/5 Feb 2010 599ebay.com
7.
 
Olympus E-6203/588/100..72/1004.5/55/5 Feb 2009 699ebay.com
8.
 
Olympus E-P1..+..66/1004/54.5/5 Jun 2009 799ebay.com
9.
 
Olympus E-520..87/100..+ +4.5/54.5/5 May 2008 699ebay.com
10.
 
Panasonic GM53.5/5+..77/1005/54.5/5 Sep 2014 749ebay.com
11.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
12.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 999ebay.com
13.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699ebay.com
14.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 499ebay.com
15.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 899ebay.com
16.
 
Panasonic GF1..85/100..69/1004.5/54.5/5 Sep 2009 749ebay.com
17.
 
Panasonic GH1..+ +..72/1004.5/54.5/5 Mar 2009 899ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu 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-P2 vs Panasonic GM1

    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-P2 Panasonic GM1
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Micro Four Thirds lenses
    Launch Date November 2009 October 2013
    Launch Price USD 799 USD 749
    Sensor Specs Olympus E-P2 Panasonic GM1
    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 12.2 Megapixels 15.8 Megapixels
    Image Resolution 4032 x 3024 pixels 4592 x 3448 pixels
    Pixel Pitch 4.29 μm 3.77 μm
    Pixel Density 5.42 MP/cm2 7.04 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 720/30p Video 1080/60i Video
    ISO Setting 100 - 6,400 ISO 200 - 25,600 ISO
    ISO Boost no Enhancement 125 - 25,600 ISO
    Image Processor TruePic V Venus IX
    DXO Sensor Quality (score) 56 66
    DXO Color Depth (bits) 21.5 22.3
    DXO Dynamic Range (EV) 10.4 11.7
    DXO Low Light (ISO) 505 660
    Screen Specs Olympus E-P2 Panasonic GM1
    Viewfinder Type Viewfinder optional no viewfinder
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 230k dots 1036k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Olympus E-P2 Panasonic GM1
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/500s
    Continuous Shooting 3 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDHC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Olympus E-P2 Panasonic GM1
    External Flash Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Body Specs Olympus E-P2 Panasonic GM1
    Battery Type BLS-1 DMW-BLH7
    Battery Life (CIPA)300 shots per charge230 shots per charge
    Body Dimensions 121 x 70 x 36 mm
    (4.8 x 2.8 x 1.4 in)
    99 x 55 x 30 mm
    (3.9 x 2.2 x 1.2 in)
    Camera Weight 355 g (12.5 oz) 204 g (7.2 oz)
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