Canon SX620 vs Olympus TG-4
The Canon PowerShot SX620 HS and the Olympus Tough TG-4 are two digital cameras that were announced, respectively, in May 2016 and April 2015. Both the SX620 and the TG-4 are fixed lens compact cameras that are equipped with a 1/2.3-inch sensor. The Canon has a resolution of 20.2 megapixels, whereas the Olympus provides 15.9 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Canon SX620||Olympus TG-4|
|Fixed lens compact camera||Fixed lens compact camera|
|25-625mm f/3.2-6.6||25-100mm f/2.0-4.9|
|20.2 MP, 1/2.3" Sensor||15.9 MP, 1/2.3" Sensor|
|1080/30p Video||1080/30p Video|
|ISO 80-3,200||ISO 100-6,400|
|No viewfinder, LCD framing||No viewfinder, LCD framing|
|3.0 LCD, 922k dots||3.0 LCD, 460k dots|
|Fixed screen (not touch-sensitive)||Fixed screen (not touch-sensitive)|
|2.5 shutter flaps per second||5 shutter flaps per second|
|Lens-based stabilization||In-body stabilization|
|not weather sealed||Waterproof body (15m)|
|295 shots per battery charge||380 shots per battery charge|
|97 x 57 x 28 mm, 182 g||112 x 66 x 31 mm, 247 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot SX620 HS and the Olympus Tough TG-4? 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.
The physical size and weight of the Canon SX620 and the Olympus TG-4 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.
The SX620 can be obtained in three different colors (black, silver, red), while the TG-4 is available in two color-versions (black, red).
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus TG-4 is notably larger (34 percent) than the Canon SX620. Moreover, the TG-4 is substantially heavier (36 percent) than the SX620. It is noteworthy in this context that the TG-4 is splash and dust-proof, while the SX620 does not feature any corresponding weather-sealing. More than that, the TG-4 is water-proof up to 15m and can, thus, be used for underwater photography.
Concerning battery life, the SX620 gets 295 shots out of its NB-13L battery, while the TG-4 can take 380 images on a single charge of its LI-92B power pack. The power pack in the TG-4 can be charged via the USB port, which can be very convenient when travelling.
The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.
|Canon SX620||3.8 in||2.2 in||1.1 in||6.4 oz||295||n||May 2016||279|
|Olympus TG-4||4.4 in||2.6 in||1.2 in||8.7 oz||380||Y||Apr 2015||379|
|Canon G9 X Mark II||3.9 in||2.3 in||1.2 in||7.3 oz||235||n||Jan 2017||529|
|Canon SX730||4.3 in||2.5 in||1.6 in||10.6 oz||250||n||Apr 2017||399|
|Canon SX420||4.1 in||2.7 in||3.3 in||11.5 oz||195||n||Jan 2016||299|
|Canon SX540||4.7 in||3.2 in||3.6 in||15.6 oz||205||n||Jan 2016||399|
|Canon SX720||4.3 in||2.5 in||1.4 in||9.5 oz||250||n||Feb 2016||379|
|Canon G9 X||3.9 in||2.3 in||1.2 in||7.4 oz||220||n||Oct 2015||529|
|Canon SX410||4.1 in||2.7 in||3.3 in||11.5 oz||185||n||Feb 2015||279|
|Canon SX610||4.1 in||2.4 in||1.1 in||6.7 oz||270||n||Jan 2015||249|
|Canon SX710||4.4 in||2.6 in||1.4 in||9.5 oz||230||n||Jan 2015||349|
|Canon SX600||4.1 in||2.4 in||1.0 in||6.6 oz||290||n||Jan 2014||249|
|Fujifilm XP140||4.3 in||2.8 in||1.1 in||7.3 oz||240||Y||Feb 2019||229|
|Nikon W300||4.4 in||2.6 in||1.1 in||8.1 oz||280||Y||May 2017||389|
|Olympus TG-6||4.4 in||2.6 in||1.3 in||8.9 oz||340||Y||May 2019||449|
|Olympus TG-5||4.4 in||2.6 in||1.3 in||8.8 oz||340||Y||May 2017||449|
|Sony HX80||4.0 in||2.3 in||1.4 in||8.6 oz||390||n||Mar 2016||349|
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.
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 SX620 was launched at a markedly lower price (by 26 percent) than the TG-4, 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.
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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.
Both cameras under consideration feature a 1/2.3-inch sensor and have a format factor (sometimes also referred to as "crop factor") of 5.6. Within the spectrum of camera sensors, this places the review cameras among the smaller-sensor digicams that favor affordability and compact design. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.
In terms of underlying technology, both cameras are build around BSI-CMOS sensors.
While the two cameras under review share the same sensor size, the SX620 offers a higher resolution of 20.2 megapixels, compared with 15.9 MP of the TG-4. This megapixels advantage translates into a 13 percent gain in linear resolution. On the other hand, these sensor specs imply that the SX620 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 1.18μm versus 1.33μm for the TG-4). In this context, it should be noted, however, that the SX620 is a somewhat more recent model (by 1 year) than the TG-4, and its sensor might have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that the SX620 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Canon SX620 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the SX620 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 Olympus TG-4 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.
The Canon PowerShot SX620 HS has a native sensitivity range from ISO 80 to ISO 3200. The corresponding ISO settings for the Olympus Tough TG-4 are ISO 100 to ISO 6400 (no boost).
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|Canon G9 X Mark II||1-inch||20.0||5472||3648||1080/60p||21.9||12.5||522||65|
|Canon G9 X||1-inch||20.0||5472||3648||1080/60p||21.5||12.3||495||63|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/30p).
Beyond body and sensor, cameras can and do differ across a range of features. The SX620 and the TG-4 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. The table below summarizes some of the other core capabilities of the Canon SX620 and Olympus TG-4 in connection with corresponding information for a sample of similar cameras.
|Canon G9 X Mark II||none||n||3.0||1040||fixed||Y||1/2000s||8.2||Y||Y|
|Canon G9 X||none||n||3.0||1040||fixed||Y||1/2000s||6.0||Y||Y|
The Olympus TG-4 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.
Both the SX620 and the TG-4 have zoom lenses built in. The SX620 has a 25-625mm f/3.2-6.6 optic and the TG-4 offers a 25-100mm f/2.0-4.9 (focal lengths in full frame equivalent terms). Hence, the Canon and Olympus provide the same view at the wide-angle end, but the Olympus has less tele-photo reach at the long end. The TG-4 offers the faster maximum aperture.
Concerning the storage of imaging data, both the SX620 and the TG-4 write their files to SDXC cards. The TG-4 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the SX620 cannot take advantage of Ultra High Speed SD cards.
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 SX620 HS and Olympus Tough TG-4 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
| WiFi |
|Canon G9 X Mark II||-||stereo||mono||-||-||micro||2.0||Y||Y||Y|
|Canon G9 X||-||stereo||mono||-||-||micro||2.0||Y||Y||-|
Travel and landscape photographers will find it useful that the TG-4 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
The SX620 is a recent model that features in the current product line-up of Canon. In contrast, the TG-4 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the TG-4 was succeeded by the Olympus TG-5. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Olympus websites.
So what conclusions can be drawn? Is the Canon SX620 better than the Olympus TG-4 or vice versa? The listing below highlights the relative strengths of the two models.
Reasons to prefer the Canon PowerShot SX620 HS:
- More detail: Offers more megapixels (20.2 vs 15.9MP) with a 13% higher linear resolution.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- More detailed LCD: Has a higher resolution rear screen (922k vs 460k dots).
- More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
- More compact: Is smaller (97x57mm vs 112x66mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 65g or 26 percent) and hence easier to carry around.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More affordable: Was introduced into a lower priced category (26 percent cheaper at launch).
- More modern: Is somewhat more recent (announced 1 year after the TG-4).
Advantages of the Olympus Tough TG-4:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Faster burst: Shoots at higher frequency (5 vs 2.5 flaps/sec) to capture the decisive moment.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Better light gathering: Has a lens with a wider maximum aperture (f/2.0 vs f/3.2).
- Longer lasting: Gets more shots (380 versus 295) out of a single battery charge.
- Easier travel charging: Can be conveniently charged via its USB port.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- Water-proof: Is rugged and sealed and can thus be used for underwater photography (up to 15m).
- Easier geotagging: Features an internal GPS sensor to log localization data.
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More heavily discounted: Has been on the market for longer (launched in April 2015).
If the count of individual advantages (bullet points above) is taken as a guide, the TG-4 comes out slightly ahead of the SX620 (10 : 9 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 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.
How about other alternatives? Do the specifications of the Canon SX620 and the Olympus TG-4 place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best Travel-Zoom 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 SX620 or the TG-4. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.
This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.
|Canon SX620||..||..||..||..||4/5||May 2016||279|
|Olympus TG-4||+||79/100||4/5||4/5||4/5||Apr 2015||379|
|Canon G9 X Mark II||..||75/100||4.5/5||4.5/5||4.5/5||Jan 2017||529|
|Canon SX730||+||..||4/5||..||4/5||Apr 2017||399|
|Canon SX420||..||..||..||..||3/5||Jan 2016||299|
|Canon SX540||..||..||..||..||..||Jan 2016||399|
|Canon SX720||+||..||4/5||..||4.5/5||Feb 2016||379|
|Canon G9 X||+ +||..||4.5/5||4/5||4.5/5||Oct 2015||529|
|Canon SX410||o||..||..||..||..||Feb 2015||279|
|Canon SX610||..||..||4/5||..||4/5||Jan 2015||249|
|Canon SX710||+||..||4/5||..||3.5/5||Jan 2015||349|
|Canon SX600||+||..||4/5||..||4/5||Jan 2014||249|
|Fujifilm XP140||+||..||3.5/5||..||4/5||Feb 2019||229|
|Nikon W300||+||..||4/5||..||4/5||May 2017||389|
|Olympus TG-6||+ +||76/100||4/5||..||4/5||May 2019||449|
|Olympus TG-5||+ +||..||4/5||o||4/5||May 2017||449|
|Sony HX80||..||..||..||..||..||Mar 2016||349|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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 make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon 70D vs Olympus TG-4
- Canon SX620 vs Leica M9
- Canon SX620 vs Leica S2
- Canon SX620 vs Nikon D1
- Canon SX620 vs Nikon D750
- Canon SX620 vs Nikon D80
- Canon SX620 vs Panasonic FZ80
- Canon SX620 vs Panasonic LF1
- Canon SX620 vs Sony H400
- Leica V-LUX 4 vs Olympus TG-4
- Nikon D1H vs Olympus TG-4
- Olympus TG-4 vs Pentax K-3
Specifications: Canon SX620 vs Olympus TG-4
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 Model||Canon SX620||Olympus TG-4|
|Camera Type||Fixed lens compact camera||Fixed lens compact camera|
|Camera Lens||25-625mm f/3.2-6.6||25-100mm f/2.0-4.9|
|Launch Date||May 2016||April 2015|
|Launch Price||USD 279||USD 379|
|Sensor Specs||Canon SX620||Olympus TG-4|
|Sensor Format||1/2.3" Sensor||1/2.3" Sensor|
|Sensor Size||6.17 x 4.55 mm||6.17 x 4.55 mm|
|Sensor Area||28.0735 mm2||28.0735 mm2|
|Sensor Diagonal||7.7 mm||7.7 mm|
|Sensor Resolution||20.2 Megapixels||15.9 Megapixels|
|Image Resolution||5184 x 3888 pixels||4608 x 3456 pixels|
|Pixel Pitch||1.18 μm||1.33 μm|
|Pixel Density||71.80 MP/cm2||56.73 MP/cm2|
|Moiré control||no AA filter||Anti-Alias filter|
|Movie Capability||1080/30p Video||1080/30p Video|
|ISO Setting||80 - 3,200 ISO||100 - 6,400 ISO|
|Image Processor||DIGIC 4+||TruePic VII|
|Screen Specs||Canon SX620||Olympus TG-4|
|Viewfinder Type||no viewfinder||no viewfinder|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||922k dots||460k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Canon SX620||Olympus TG-4|
|Focus System||Contrast-detect AF||Contrast-detect AF|
|Continuous Shooting||2.5 shutter flaps/s||5 shutter flaps/s|
|Time-Lapse Photography||no Intervalometer||Intervalometer built-in|
|Image Stabilization||Lens-based stabilization||In-body stabilization|
|Fill Flash||Build-in Flash||Build-in Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||no||UHS-I|
|Connectivity Specs||Canon SX620||Olympus TG-4|
|External Flash||no Hotshoe||no Hotshoe|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||micro HDMI||micro HDMI|
|Wifi Support||Wifi built-in||Wifi built-in|
|Near-Field Communication||NFC built-in||no NFC|
|Geotagging||no internal GPS||GPS built-in|
|Body Specs||Canon SX620||Olympus TG-4|
|Environmental Sealing||not weather sealed||Waterproof body (15m)|
|Battery Life (CIPA)||295 shots per charge||380 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
97 x 57 x 28 mm
(3.8 x 2.2 x 1.1 in)
112 x 66 x 31 mm
(4.4 x 2.6 x 1.2 in)
|Camera Weight||182 g (6.4 oz)||247 g (8.7 oz)|
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