Olympus TG-5 vs Pentax K-3
90 Imaging
37 Features
51 Overall
42
59 Imaging
64 Features
85 Overall
72
Olympus TG-5 vs Pentax K-3 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 100 - 12800 (Expand to 12800)
- Sensor-shift Image Stabilization
- 3840 x 2160 video
- 25-100mm (F2.0-4.9) lens
- 250g - 113 x 66 x 32mm
- Introduced May 2017
- Replaced the Olympus TG-4
- Successor is Olympus TG-6
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Released April 2014
- Updated by Pentax K-3 II
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Following is a complete comparison of the Olympus TG-5 versus Pentax K-3, former is a Waterproof while the latter is a Advanced DSLR by brands Olympus and Pentax. There exists a substantial gap among the resolutions of the TG-5 (12MP) and K-3 (24MP) and the TG-5 (1/2.3") and K-3 (APS-C) feature different sensor dimensions.
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe TG-5 was announced 3 years after the K-3 which is a fairly big difference as far as camera technology is concerned. Both of the cameras come with different body type with the Olympus TG-5 being a Compact camera and the Pentax K-3 being a Mid-size SLR camera.
Before getting straight into a comprehensive comparison, below is a quick introduction of how the TG-5 matches up versus the K-3 in the way of portability, imaging, features and an overall score.
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Below is a preview of the gallery photos for Olympus Tough TG-5 & Pentax K-3. The whole galleries are viewable at Olympus TG-5 Gallery & Pentax K-3 Gallery.
Reasons to pick Olympus TG-5 over the Pentax K-3
| TG-5 | K-3 | |||
|---|---|---|---|---|
| Released | May 2017 | April 2014 | More modern by 38 months |
Reasons to pick Pentax K-3 over the Olympus TG-5
| K-3 | TG-5 | |||
|---|---|---|---|---|
| Screen dimension | 3.2" | 3" | Bigger screen (+0.2") | |
| Screen resolution | 1037k | 460k | Clearer screen (+577k dot) |
Common features in the Olympus TG-5 and Pentax K-3
| TG-5 | K-3 | |||
|---|---|---|---|---|
| Focus manually | Dial accurate focus | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Lack of selfie screen | |||
| Touch screen | Neither includes Touch screen |
Olympus TG-5 vs Pentax K-3 Physical Comparison
If you're looking to carry around your camera regularly, you will need to think about its weight and size. The Olympus TG-5 features outer dimensions of 113mm x 66mm x 32mm (4.4" x 2.6" x 1.3") along with a weight of 250 grams (0.55 lbs) whilst the Pentax K-3 has specifications of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs).
See the Olympus TG-5 versus Pentax K-3 in our brand new Camera plus Lens Size Comparison Tool.
Remember, the weight of an ILC will differ depending on the lens you have attached at the time. Following is the front view measurements comparison of the TG-5 against the K-3.

Considering dimensions and weight, the portability score of the TG-5 and K-3 is 90 and 59 respectively.
Olympus TG-5 vs Pentax K-3 Sensor Comparison
Normally, it is difficult to visualize the contrast in sensor sizes simply by checking out specifications. The image underneath might provide you a better sense of the sensor sizes in the TG-5 and K-3.
To sum up, each of the cameras posses different megapixel count and different sensor sizes. The TG-5 with its smaller sensor is going to make getting shallower DOF harder and the Pentax K-3 will produce extra detail with its extra 12 Megapixels. Higher resolution will also enable you to crop shots somewhat more aggressively. The more modern TG-5 should have a benefit in sensor technology.
Olympus TG-5 vs Pentax K-3 Screen and ViewFinder
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Olympus TG-5 vs Pentax K-3 Specifications
| Olympus Tough TG-5 | Pentax K-3 | |
|---|---|---|
| General Information | ||
| Company | Olympus | Pentax |
| Model type | Olympus Tough TG-5 | Pentax K-3 |
| Type | Waterproof | Advanced DSLR |
| Introduced | 2017-05-17 | 2014-04-10 |
| Body design | Compact | Mid-size SLR |
| Sensor Information | ||
| Processor | TruePic VIII | Prime III |
| Sensor type | BSI-CMOS | CMOS |
| Sensor size | 1/2.3" | APS-C |
| Sensor dimensions | 6.17 x 4.55mm | 23.5 x 15.6mm |
| Sensor surface area | 28.1mm² | 366.6mm² |
| Sensor resolution | 12 megapixel | 24 megapixel |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
| Max resolution | 4000 x 3000 | 6016 x 4000 |
| Max native ISO | 12800 | 51200 |
| Max enhanced ISO | 12800 | - |
| Lowest native ISO | 100 | 100 |
| RAW photos | ||
| Lowest enhanced ISO | 100 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Total focus points | 25 | 27 |
| Cross type focus points | - | 25 |
| Lens | ||
| Lens support | fixed lens | Pentax KAF2 |
| Lens zoom range | 25-100mm (4.0x) | - |
| Highest aperture | f/2.0-4.9 | - |
| Macro focusing distance | 1cm | - |
| Available lenses | - | 151 |
| Focal length multiplier | 5.8 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display diagonal | 3" | 3.2" |
| Resolution of display | 460k dot | 1,037k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Display technology | - | TFT LCD monitor |
| Viewfinder Information | ||
| Viewfinder type | None | Optical (pentaprism) |
| Viewfinder coverage | - | 100 percent |
| Viewfinder magnification | - | 0.64x |
| Features | ||
| Min shutter speed | 4 secs | 30 secs |
| Max shutter speed | 1/2000 secs | 1/8000 secs |
| Continuous shutter speed | 20.0fps | 8.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | - | Yes |
| Change white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | - | 13.00 m (at ISO 100) |
| Flash options | Auto, redeye reduction, slow sync, redeye slow sync, fill, manual, off | Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual |
| External flash | ||
| AE bracketing | ||
| White balance bracketing | ||
| Max flash sync | - | 1/180 secs |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) |
| Max video resolution | 3840x2160 | 1920x1080 |
| Video data format | MPEG-4, H.264 | MPEG-4, H.264 |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 3.0 (5 GBit/sec) |
| GPS | Built-in | Optional |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 250 grams (0.55 pounds) | 800 grams (1.76 pounds) |
| Dimensions | 113 x 66 x 32mm (4.4" x 2.6" x 1.3") | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") |
| DXO scores | ||
| DXO Overall rating | not tested | 80 |
| DXO Color Depth rating | not tested | 23.7 |
| DXO Dynamic range rating | not tested | 13.4 |
| DXO Low light rating | not tested | 1216 |
| Other | ||
| Battery life | 340 images | 560 images |
| Style of battery | Battery Pack | Battery Pack |
| Battery ID | LI-92B | D-LI90 |
| Self timer | Yes (2 or 12 secs, custom) | Yes ( 2 or 12 seconds) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC/SDXC card (UHS-I compatible) | Dual SD/SDHC/SDXC |
| Storage slots | 1 | Two |
| Retail pricing | $449 | $639 |