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Canon SX40 vs Olympus E-M5 III

The Canon PowerShot SX40 HS and the Olympus OM-D E-M5 Mark III are two digital cameras that were officially introduced, respectively, in September 2011 and October 2019. The SX40 is a fixed lens compact, while the E-M5 III is a mirrorless interchangeable lens camera. The cameras are based on a 1/2.3-inch (SX40) and a Four Thirds (E-M5 III) sensor. The Canon has a resolution of 12 megapixels, whereas the Olympus provides 20.2 MP.

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

Headline Specifications
Canon SX40
versus
Olympus E-M5 III
Canon SX40   Olympus E-M5 III
Fixed lens compact camera Mirrorless system camera
24-840mm f/2.7-5.8 Micro Four Thirds lenses
12 MP – 1/2.3" sensor 20.2 MP – Four Thirds sensor
1080/24p Video 4K/30p Video
ISO 100-3,200 ISO 200-25,600
Electronic viewfinder (202k dots) Electronic viewfinder (2360k dots)
2.7" LCD – 230k dots 3.0" LCD – 1040k dots
Swivel screen (not touch-sensitive) Swivel touchscreen
10.3 shutter flaps per second 10 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
380 shots per battery charge310 shots per battery charge
123 x 92 x 108 mm, 600 g 125 x 85 x 50 mm, 414 g
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Check SX40 offers at
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Check E-M5 III offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot SX40 HS and the Olympus OM-D E-M5 Mark III? 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 Canon SX40 and the Olympus E-M5 III is provided 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-M5 III can be obtained in two different colors (black, silver), while the SX40 is only available in black.

Size Canon SX40 vs Olympus E-M5 III
Compare SX40 versus E-M5 III top
Comparison SX40 or E-M5 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M5 III is notably smaller (6 percent) than the Canon SX40. It is noteworthy in this context that the E-M5 III is splash and dust-proof, while the SX40 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the SX40 has a lens built in, whereas the E-M5 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-M5 III and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the SX40 gets 380 shots out of its Canon NB-10L battery, while the E-M5 III can take 310 images on a single charge of its Olympus BLS-50 power pack. The power pack in the E-M5 III can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon SX40 123 mm 92 mm 108 mm 600 g 380 n Sep 2011 429ebay.com
2.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199ebay.com
3.
 
Canon G1 X 117 mm 81 mm 65 mm 534 g 250 n Jan 2012 799ebay.com
4.
 
Canon SX10 123 mm 88 mm 87 mm 600 g .. n Sep 2008 399ebay.com
5.
 
Canon SX20 123 mm 88 mm 87 mm 600 g .. n Aug 2009 399ebay.com
6.
 
Canon SX30 123 mm 92 mm 108 mm 601 g 370 n Sep 2010 429ebay.com
7.
 
Canon SX50 123 mm 87 mm 106 mm 595 g 315 n Sep 2012 429ebay.com
8.
 
Canon SX60 128 mm 93 mm 114 mm 650 g 340 n Sep 2014 549ebay.com
9.
 
Canon T3 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 449ebay.com
10.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399ebay.com
11.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299ebay.com
12.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099ebay.com
13.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199ebay.com
14.
 
Panasonic FZ100 124 mm 82 mm 92 mm 540 g 410 n Jul 2010 499ebay.com
15.
 
Panasonic FZ150 124 mm 82 mm 92 mm 528 g 410 n Aug 2011 499ebay.com
16.
 
Panasonic FZ200 125 mm 87 mm 110 mm 588 g 540 n Jul 2012 599ebay.com
17.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The SX40 was launched at a lower price than the E-M5 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to 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 Canon SX40 features a 1/2.3-inch sensor and the Olympus E-M5 III a Four Thirds sensor. The sensor area in the E-M5 III is 704 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 2.0. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Canon SX40 and Olympus E-M5 III sensor measures

With 20.2MP, the E-M5 III offers a higher resolution than the SX40 (12MP), but the E-M5 III nevertheless has larger individual pixels (pixel pitch of 3.34μm versus 1.53μm for the SX40) due to its larger sensor. Moreover, the E-M5 III is a much more recent model (by 8 years and 1 month) than the SX40, and its sensor will 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 Olympus E-M5 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M5 III for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Canon SX40 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.

The E-M5 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the SX40, the E-M5 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 Canon PowerShot SX40 HS has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Olympus OM-D E-M5 Mark III are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 64-25600.

In terms of underlying technology, the SX40 is build around a BSI-CMOS sensor, while the E-M5 III uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

SX40 versus E-M5 III 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"). 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon SX40 1/2.3 12.0 4000 30001080/24p19.610.940941
2.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p23.313.1132476
3.
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460
4.
 
Canon SX10 1/2.3 10.0 3648 2736480/30p19.010.314435
5.
 
Canon SX20 1/2.3 12.0 4000 3000720/30p19.210.522537
6.
 
Canon SX30 1/2.3 14.0 4320 3240720/30p19.410.732039
7.
 
Canon SX50 1/2.3 12.0 4000 30001080/24p20.311.217947
8.
 
Canon SX60 1/2.3 14.2 4608 30721080/60p19.210.812739
9.
 
Canon T3 APS-C 12.2 4272 2848720/30p21.911.075562
10.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
11.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
12.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
13.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
14.
 
Panasonic FZ100 1/2.3 14.0 4320 32401080/60i19.410.730639
15.
 
Panasonic FZ150 1/2.3 12.0 4000 30001080/60p19.410.913240
16.
 
Panasonic FZ200 1/2.3 12.0 4000 30001080/60p19.110.811437
17.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
Note: DXO values in italics represent estimates based on sensor size and age.

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 E-M5 III provides a better video resolution than the SX40. It can shoot movie footage at 4K/30p, while the Canon is limited to 1080/24p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the E-M5 III offers a substantially higher resolution than the one in the SX40 (2360k vs 202k dots). The adjacent table lists some of the other core features of the Canon SX40 and Olympus E-M5 III 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.
 
Canon SX40202 n2.7 / 230 swivel n 1/3200s 10.3/s Y Y
2.
 
Olympus E-M5 III2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
3.
 
Canon G1 Xoptical n3.0 / 922 swivel n 1/4000s 1.9/s Y Y
4.
 
Canon SX10202 n2.5 / 230 swivel n 1/3200s 0.7/s Y Y
5.
 
Canon SX20202 n2.5 / 230 swivel n 1/3200s 0.7/s Y Y
6.
 
Canon SX30202 n2.7 / 230 swivel n 1/3200s 0.6/s Y Y
7.
 
Canon SX50202 n3.0 / 461 swivel n 1/2000s 2.2/s Y Y
8.
 
Canon SX60922 n3.0 / 922 swivel n 1/2000s 6.4/s Y Y
9.
 
Canon T3optical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
10.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
11.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
12.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
13.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
14.
 
Panasonic FZ100202 n3.0 / 460 swivel n 1/2000s 11.0/s Y Y
15.
 
Panasonic FZ150202 n3.0 / 460 swivel n 1/2000s 12.0/s Y Y
16.
 
Panasonic FZ2001312 n3.0 / 460 swivel n 1/4000s 12.0/s Y Y
17.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The SX40 has one, while the E-M5 III does not. While the built-in flash of the SX40 is not very powerful, it can at times be useful as a fill-in light.

The E-M5 III 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 SX40 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-M5 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-M5 III 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 SX40 and the E-M5 III write their files to SDXC cards. The E-M5 III supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the SX40 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 Canon PowerShot SX40 HS and Olympus OM-D E-M5 Mark III 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.
 
Canon SX40Ystereo / mono--YES2.0---
2.
 
Olympus E-M5 IIIYstereo / monoY-micro2.0Y-Y
3.
 
Canon G1 XYstereo / mono--mini2.0---
4.
 
Canon SX10Ystereo / mono---2.0---
5.
 
Canon SX20Ystereo / mono--YES2.0---
6.
 
Canon SX30Ystereo / mono--YES2.0---
7.
 
Canon SX50Ystereo / mono--mini2.0---
8.
 
Canon SX60Ystereo / monoY-mini2.0YY-
9.
 
Canon T3Ystereo / mono--mini2.0---
10.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
11.
 
Olympus E-M5Ystereo / mono--mini2.0---
12.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
13.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
14.
 
Panasonic FZ100Ystereo / mono--mini2.0---
15.
 
Panasonic FZ150Ystereo / ---mini2.0---
16.
 
Panasonic FZ200Ystereo / monoY-mini2.0---
17.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-

It is notable that the E-M5 III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the SX40 does not provide wifi capability.

Both the SX40 and the E-M5 III have been discontinued, but can regularly be found used on ebay. The SX40 was replaced by the Canon SX50, while the E-M5 III was followed by the OM System OM-5. Further information on the features and operation of the SX40 and E-M5 III can be found, respectively, in the Canon SX40 Manual (free pdf) or the online Olympus E-M5 III Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon SX40 or the Olympus E-M5 III – 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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Advantages of the Canon PowerShot SX40 HS:

  • Ready to shoot: Has a lens built-in, whereas the E-M5 III requires a separate lens.
  • Longer lasting: Can take more shots (380 versus 310) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been available for much longer (launched in September 2011).

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Arguments in favor of the Olympus OM-D E-M5 Mark III:

  • More detail: Has more megapixels (20.2 vs 12MP), which boosts linear resolution by 30%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • 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.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/24p).
  • 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 202k dots).
  • 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 (1040k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • 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 1/3200s) to freeze action.
  • 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 flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-II standard.
  • More modern: Reflects 8 years and 1 month of technical progress since the SX40 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the E-M5 III is the clear winner of the contest (24 : 5 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. 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.

SX40 05:24 E-M5 III

How about other alternatives? Do the specifications of the Canon SX40 and the Olympus E-M5 III place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best Mirrorless Interchangeable Lens Camera listings 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 SX40 or the E-M5 III. 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 where reviews by experts come in. 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.
 
Canon SX40..+....4.5/54/5 Sep 2011 429ebay.com
2.
 
Olympus E-M5 III5/5+5/582/1004.5/54.5/5 Oct 2019 1,199ebay.com
3.
 
Canon G1 X5/5+..76/1004/54.5/5 Jan 2012 799ebay.com
4.
 
Canon SX10..+ +......4/5 Sep 2008 399ebay.com
5.
 
Canon SX20..+ +..73/100..4/5 Aug 2009 399ebay.com
6.
 
Canon SX303/5+ +....3.5/54/5 Sep 2010 429ebay.com
7.
 
Canon SX503/5+ +..72/1004.5/54.5/5 Sep 2012 429ebay.com
8.
 
Canon SX603/5+ +..75/1004/54.5/5 Sep 2014 549ebay.com
9.
 
Canon T3..80/100..69/1004/54.5/5 Feb 2011 449ebay.com
10.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 1,399ebay.com
11.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 1,299ebay.com
12.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 1,099ebay.com
13.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 1,199ebay.com
14.
 
Panasonic FZ100..+....4.5/54.5/5 Jul 2010 499ebay.com
15.
 
Panasonic FZ1503/5+ +..76/1004/54.5/5 Aug 2011 499ebay.com
16.
 
Panasonic FZ2003/5+ +..80/1004.5/54.5/5 Jul 2012 599ebay.com
17.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 1,199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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

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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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon SX40 vs Olympus E-M5 III

    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 Canon SX40 Olympus E-M5 III
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 24-840mm f/2.7-5.8 Micro Four Thirds lenses
    Launch Date September 2011 October 2019
    Launch Price USD 429 USD 1,199
    Sensor Specs Canon SX40 Olympus E-M5 III
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1/2.3" Sensor Four Thirds Sensor
    Sensor Size 6.17 x 4.55 mm 17.3 x 13.0 mm
    Sensor Area 28.0735 mm2 224.9 mm2
    Sensor Diagonal 7.7 mm 21.6 mm
    Crop Factor 5.6x 2.0x
    Sensor Resolution 12 Megapixels 20.2 Megapixels
    Image Resolution 4000 x 3000 pixels 5184 x 3888 pixels
    Pixel Pitch 1.53 μm 3.34 μm
    Pixel Density 42.74 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/24p Video 4K/30p Video
    ISO Setting 100 - 3,200 ISO 200 - 25,600 ISO
    ISO Boost no Enhancement 64 - 25,600 ISO
    Screen Specs Canon SX40 Olympus E-M5 III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.68x
    Viewfinder Resolution 202k dots 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 2.7inch 3.0inch
    LCD Resolution 230k dots 1040k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon SX40 Olympus E-M5 III
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/3200s 1/8000s
    Continuous Shooting 10.3 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-II
    Connectivity Specs Canon SX40 Olympus E-M5 III
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port YES HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon SX40 Olympus E-M5 III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon NB-10L Olympus BLS-50
    Battery Life (CIPA)380 shots per charge310 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 123 x 92 x 108 mm
    (4.8 x 3.6 x 4.3 in)
    125 x 85 x 50 mm
    (4.9 x 3.3 x 2.0 in)
    Camera Weight 600 g (21.2 oz) 414 g (14.6 oz)
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