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Olympus E-P3 versus Olympus E-620

The Olympus PEN E-P3 and the Olympus E-620 are two digital cameras that were announced, respectively, in June 2011 and February 2009. The E-P3 is a mirrorless interchangeable lens camera, while the E-620 is a DSLR. Both cameras are equipped with a Four Thirds sensor. Both cameras offer a resolution of 12.2 megapixel. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Olympus E-P3 vs Olympus E-620

The physical size and weight of the Olympus E-P3 and the Olympus E-620 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. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the E-P3 – represents 100 percent across all the size and weight measures).

Compare Olympus E-P3 vs Olympus E-620
Compare E-P3 versus E-620 top
Compare E-P3 and E-620 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-620 is considerably larger (45 percent) than the Olympus E-P3. Moreover, the E-620 is substantially heavier (41 percent) than the E-P3. In this context, it is worth noting that neither the E-P3 nor the E-620 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. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can find an overview of optics for the two cameras in the Micro Four Thirds Lens Catalog (E-P3) and the Four Thirds Lens Catalog (E-620). Mirrorless cameras, such as the Olympus E-P3, have moreover the advantage that they have a relatively short flange to focal plane distance and can thus use many lenses from other systems via adapters.

Concerning battery life, the E-P3 gets 330 shots out of its BLS-5 battery, while the E-620 can take 500 images on a single charge of its BLS-1 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Olympus E-P3» 4.8 in 2.7 in 1.3 in 13.0 oz 330 n Jun 2011 799- i Olympus E-P3
Olympus E-620« 5.1 in 3.7 in 2.4 in 18.4 oz 500 n Feb 2009 699- i Olympus E-620
Olympus E-P5« » 4.8 in 2.7 in 1.5 in 14.8 oz 330 n May 2013 999- i Olympus E-P5
Olympus E-PL5« » 4.4 in 2.5 in 1.5 in 11.5 oz 360 n Sep 2012 599- i Olympus E-PL5
Olympus E-PL2« » 4.5 in 2.8 in 1.7 in 12.8 oz 280 n Jan 2011 599- i Olympus E-PL2
Olympus E-PL3« » 4.3 in 2.5 in 1.5 in 11.0 oz 300 n Jun 2011 599- i Olympus E-PL3
Olympus E-PM1« » 4.3 in 2.5 in 1.3 in 9.3 oz 330 n Jun 2011 499- i Olympus E-PM1
Olympus E-PL1« » 4.5 in 2.8 in 1.7 in 11.8 oz 290 n Feb 2010 599- i Olympus E-PL1
Olympus E-600« » 5.1 in 3.7 in 2.4 in 18.9 oz 500 n Aug 2009 449- i Olympus E-600
Olympus E-P1« » 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Jun 2009 799- i Olympus E-P1
Olympus E-P2« » 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Nov 2009 799- i Olympus E-P2
Olympus E-420« » 5.1 in 3.6 in 2.1 in 15.5 oz 500 n Mar 2008 599- i Olympus E-420
Olympus E-520« » 5.4 in 3.6 in 2.7 in 18.9 oz 750 n May 2008 699- i Olympus E-520
Olympus E-410« » 5.1 in 3.6 in 2.1 in 15.3 oz 500 n Mar 2007 699- i Olympus E-410
Olympus E-510« » 5.4 in 3.6 in 2.7 in 19.0 oz 750 n Mar 2007 799- i Olympus E-510
Panasonic GX1« » 4.6 in 2.7 in 1.5 in 11.2 oz 320 n Nov 2011 949- i Panasonic GX1
Panasonic G10« » 4.9 in 3.3 in 2.9 in 13.7 oz 380 n Mar 2010 499- i Panasonic G10

The price is, of course, an important factor in any camera decision. 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 E-620 was launched at a somewhat lower price (by 13 percent) than the E-P3, which makes it more attractive for photographers on a tight budget. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Olympus E-P3 vs Olympus E-620

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 more expensive and 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.

In terms of chip-set technology, the E-P3 uses a more advanced image processing engine (TruePic VI) than the E-620 (TruePic III+), with benefits for noise reduction, color accuracy, and processing speed.

Olympus E-P3 and Olympus E-620 sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 12.2 megapixel. This similarity in sensor specs implies that both the E-P3 and the E-620 have the same pixel density, as well as the same pixel size. It should, however, be noted that the E-P3 is much more recent (by 2 years and 4 months) than the E-620, and its sensor will have benefitted from technological advances during this time.

E-P3 versus E-620 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 consideration, the E-620 has a markedly higher DXO score than the E-P3 (overall score 4 points higher), which will translate into better image quality. The advantage is based on 0.5 bits higher color depth, 0.2 EV in additional dynamic range, The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Olympus E-P3» Four Thirds 12.2 4032 30241080/60i20.810.153651Olympus E-P3
Olympus E-620« Four Thirds 12.2 4032 3024-21.310.353655Olympus E-620
Olympus E-P5« » Four Thirds 15.9 4608 34561080/30p22.812.489572Olympus E-P5
Olympus E-PL5« » Four Thirds 15.9 4608 34561080/30p22.812.388972Olympus E-PL5
Olympus E-PL2« » Four Thirds 12.2 4032 3024720/30p21.410.257355Olympus E-PL2
Olympus E-PL3« » Four Thirds 12.2 4032 30241080/60i20.910.349952Olympus E-PL3
Olympus E-PM1« » Four Thirds 12.2 4032 30241080/60i21.010.349952Olympus E-PM1
Olympus E-PL1« » Four Thirds 12.2 4032 3024720/30p21.510.148754Olympus E-PL1
Olympus E-600« » Four Thirds 12.2 4032 3024-21.510.354155Olympus E-600
Olympus E-P1« » Four Thirds 12.2 4032 3024720/30p21.410.453655Olympus E-P1
Olympus E-P2« » Four Thirds 12.2 4032 3024720/30p21.510.450556Olympus E-P2
Olympus E-420« » Four Thirds 10.0 3648 2736-21.510.452756Olympus E-420
Olympus E-520« » Four Thirds 10.0 3648 2736-21.410.454855Olympus E-520
Olympus E-410« » Four Thirds 10.0 3648 2736-21.110.049451Olympus E-410
Olympus E-510« » Four Thirds 10.0 3648 2736-21.210.044252Olympus E-510
Panasonic GX1« » Four Thirds 15.8 4592 34481080/60p20.810.670355Panasonic GX1
Panasonic G10« » Four Thirds 12.0 4000 3000720/30p21.210.141152Panasonic G10

Many modern cameras cannot only take still pictures, but also record videos. The E-P3 indeed provides movie recording capabilities, while the E-620 does not. The highest resolution format that the E-P3 can use is 1080/60i.

 

Feature comparison: Olympus E-P3 vs Olympus E-620

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-620 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-P3 relies on live view and the rear LCD for framing. That said, the E-P3 can be equipped with an optional viewfinder – the VF-3. The following table reports on some other key feature differences and similarities of the Olympus E-P3, the Olympus E-620, and comparable cameras. The full specs-sheets can be found in the camera manual or in the dpreview camera hub.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Olympus E-P3»- n 3.0 614 fixed Y 4000 3.0 Y Y Olympus E-P3
Olympus E-620«optical n 2.7 230 swivel n 4000 4.0 Y Y Olympus E-620
Olympus E-P5« »- n 3.0 1037 tilting Y 8000 9.0 Y Y Olympus E-P5
Olympus E-PL5« »- n 3.0 460 tilting Y 4000 8.0 n Y Olympus E-PL5
Olympus E-PL2« »- n 3.0 460 fixed n 4000 3.0 Y Y Olympus E-PL2
Olympus E-PL3« »- n 3.0 460 tilting n 4000 5.5 n Y Olympus E-PL3
Olympus E-PM1« »- n 3.0 460 fixed n 4000 5.5 n Y Olympus E-PM1
Olympus E-PL1« »- n 2.7 230 fixed n 2000 3.0 Y Y Olympus E-PL1
Olympus E-600« »optical n 2.7 230 swivel n 4000 4.0 Y Y Olympus E-600
Olympus E-P1« »- n 3.0 230 fixed n 4000 3.0 n Y Olympus E-P1
Olympus E-P2« »- n 3.0 230 fixed n 4000 3.0 n Y Olympus E-P2
Olympus E-420« »optical n 2.7 215 fixed n 4000 3.5 Y n Olympus E-420
Olympus E-520« »optical n 2.7 215 fixed n 4000 3.5 Y Y Olympus E-520
Olympus E-410« »optical n 2.5 215 fixed n 4000 3.0 Y n Olympus E-410
Olympus E-510« »optical n 2.5 215 fixed n 4000 3.0 Y Y Olympus E-510
Panasonic GX1« »- n 3.0 460 fixed Y 4000 4.2 Y n Panasonic GX1
Panasonic G10« »202 n 3.0 460 fixed n 4000 2.6 Y n Panasonic G10

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-P3 has a touchscreen, while the E-620 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The E-P3 writes its imaging data to SDXC cards, while the E-620 uses Compact Flash or xD Picture cards. The E-620 features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-P3 only has one slot.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Olympus E-P3»Ystereo---mini2.0---Olympus E-P3
Olympus E-620«Y-----2.0---Olympus E-620
Olympus E-P5« »Ystereomono--micro2.0Y--Olympus E-P5
Olympus E-PL5« »Ystereomono--mini2.0---Olympus E-PL5
Olympus E-PL2« »Ystereo---mini2.0---Olympus E-PL2
Olympus E-PL3« »Ystereo---mini2.0---Olympus E-PL3
Olympus E-PM1« »Ystereomono--mini2.0---Olympus E-PM1
Olympus E-PL1« »Ystereo---mini2.0---Olympus E-PL1
Olympus E-600« »Y-----2.0---Olympus E-600
Olympus E-P1« »Ystereo---mini2.0---Olympus E-P1
Olympus E-P2« »Ystereo---mini2.0---Olympus E-P2
Olympus E-420« »Y-----2.0---Olympus E-420
Olympus E-520« »Y-----2.0---Olympus E-520
Olympus E-410« »Y-----2.0---Olympus E-410
Olympus E-510« »Y-----2.0---Olympus E-510
Panasonic GX1« »Ystereomono--mini2.0---Panasonic GX1
Panasonic G10« »Ymono---mini2.0---Panasonic G10

Both the E-P3 and the E-620 have been discontinued, but can regularly be found used on eBay. The E-620 was replaced by the Olympus E-600, while the E-P3 was followed by the Olympus E-P5.

Review summary: Olympus E-P3 vs Olympus E-620

So what conclusions can be drawn? Is there a clear favorite between the Olympus E-P3 and the Olympus E-620? Below is a summary of the relative strengths of each of the two contestants.


Reasons to prefer the Olympus PEN E-P3:

  • Better jpgs: Has a more modern image processing engine (TruePic VI vs TruePic III+).
  • Broader imaging potential: Can record not only still images but also 1080/60i movies.
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.7") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (614k vs 230k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More compact: Is smaller (122x69mm vs 130x94mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 152g or 29 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • More modern: Reflects 2 years and 4 months of technical progress since the E-620 launch.


Arguments in favor of the Olympus E-620:

  • Better image quality: Scores markedly higher (4 points) in the DXO overall evaluation.
  • Easier framing: Has an optical viewfinder for image framing and settings control.
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster burst: Shoots at higher frequency (4 vs 3 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (500 versus 330) out of a single battery charge.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More affordable: Was released into a lower priced segment (13 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in February 2009).

If the count of relative strengths (bullet points above) is taken as a measure, the E-P3 comes out slightly ahead of the E-620 (9 : 8 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.

E-P3 09:08 E-620

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the E-P3 or the E-620 handle or 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. This is why hands-on reviews by experts are important. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Olympus E-P3»83/10074/1004.5/54.5/54.5/5 Jun 2011 799- i Olympus E-P3
Olympus E-620«88/10072/1004.5/5rev5/5 Feb 2009 699- i Olympus E-620
Olympus E-P5« »HiRec78/1004.5/54.5/55/5 May 2013 999- i Olympus E-P5
Olympus E-PL5« »HiRec-4.5/54.5/54.5/5 Sep 2012 599- i Olympus E-PL5
Olympus E-PL2« »83/10071/1004.5/54.5/54.5/5 Jan 2011 599- i Olympus E-PL2
Olympus E-PL3« »HiRec72/1004.5/5-4/5 Jun 2011 599- i Olympus E-PL3
Olympus E-PM1« »86/10071/1004.5/5-4.5/5 Jun 2011 499- i Olympus E-PM1
Olympus E-PL1« »86/10069/1004/54.5/54.5/5 Feb 2010 599- i Olympus E-PL1
Olympus E-600« »----4.5/5 Aug 2009 449- i Olympus E-600
Olympus E-P1« »Rec66/1004/54/54.5/5 Jun 2009 799- i Olympus E-P1
Olympus E-P2« »Rec69/1004/54.5/54.5/5 Nov 2009 799- i Olympus E-P2
Olympus E-420« »85/100HiRec4/5rev4.5/5 Mar 2008 599- i Olympus E-420
Olympus E-520« »87/100HiRec4.5/54/54.5/5 May 2008 699- i Olympus E-520
Olympus E-410« »86/100HiRec4/5rev4.5/5 Mar 2007 699- i Olympus E-410
Olympus E-510« »89/100HiRec3.5/5rev4.5/5 Mar 2007 799- i Olympus E-510
Panasonic GX1« »Rec77/1004.5/54.5/54.5/5 Nov 2011 949- i Panasonic GX1
Panasonic G10« »-70/1004/5-4/5 Mar 2010 499- i Panasonic G10

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. 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.

 

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 your choice using the following search menu. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you cannot find the camera you are interested in, please contact me, and I will try to update the database with the necessary infos.

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