Olympus TG-820 iHS vs Pentax K-x
92 Imaging
35 Features
37 Overall
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69 Imaging
52 Features
47 Overall
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Olympus TG-820 iHS vs Pentax K-x Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 100 - 6400
- Sensor-shift Image Stabilization
- 1920 x 1080 video
- 28-140mm (F3.9-5.9) lens
- 206g - 101 x 65 x 26mm
- Revealed February 2012
(Full Review)
- 12MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 6400 (Expand to 12800)
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 580g - 123 x 92 x 68mm
- Released December 2009

Olympus TG-820 iHS vs Pentax K-x Overview
In this article, we are matching up the Olympus TG-820 iHS and Pentax K-x, former being a Waterproof while the other is a Entry-Level DSLR by brands Olympus and Pentax. The resolution of the TG-820 iHS (12MP) and the K-x (12MP) is fairly close but the TG-820 iHS (1/2.3") and K-x (APS-C) enjoy totally different sensor sizes.

The TG-820 iHS was brought out 2 years later than the K-x and that is a fairly serious difference as far as camera tech is concerned. Both the cameras offer different body type with the Olympus TG-820 iHS being a Compact camera and the Pentax K-x being a Compact SLR camera.
Before going in to a more detailed comparison, below is a brief synopsis of how the TG-820 iHS scores vs the K-x when considering portability, imaging, features and an overall rating.

Olympus TG-820 iHS vs Pentax K-x Gallery
The following is a sample of the gallery pictures for Olympus TG-820 iHS & Pentax K-x. The entire galleries are available at Olympus TG-820 iHS Gallery & Pentax K-x Gallery.
Reasons to pick Olympus TG-820 iHS over the Pentax K-x
TG-820 iHS | K-x | |||
---|---|---|---|---|
Released | February 2012 | ![]() | December 2009 | Fresher by 26 months |
Display sizing | 3" | ![]() | 2.7" | Larger display (+0.3") |
Display resolution | 1030k | ![]() | 230k | Clearer display (+800k dot) |
Reasons to pick Pentax K-x over the Olympus TG-820 iHS
K-x | TG-820 iHS | |||
---|---|---|---|---|
Focus manually | ![]() | More precise focusing |
Common features in the Olympus TG-820 iHS and Pentax K-x
TG-820 iHS | K-x | |||
---|---|---|---|---|
Display type | Fixed | ![]() | Fixed | Fixed display |
Selfie screen | ![]() | Neither features selfie screen | ||
Touch friendly display | ![]() | Neither features Touch friendly display |
Olympus TG-820 iHS vs Pentax K-x Physical Comparison
For those who are aiming to carry your camera frequently, you'll have to consider its weight and size. The Olympus TG-820 iHS enjoys physical measurements of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") having a weight of 206 grams (0.45 lbs) while the Pentax K-x has specifications of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs).
See the Olympus TG-820 iHS and Pentax K-x in our newest Camera plus Lens Size Comparison Tool.
Remember that, the weight of an ILC will change based on the lens you have at that moment. Following is the front view overall size comparison of the TG-820 iHS compared to the K-x.

Looking at size and weight, the portability grade of the TG-820 iHS and K-x is 92 and 69 respectively.

Olympus TG-820 iHS vs Pentax K-x Sensor Comparison
Often, it is very hard to envision the contrast in sensor sizing merely by looking through specs. The visual below will help offer you a better sense of the sensor measurements in the TG-820 iHS and K-x.
As you can plainly see, both of the cameras offer the same exact resolution but not the same sensor sizing. The TG-820 iHS has got the smaller sensor which should make getting bokeh tougher. The fresher TG-820 iHS will have an advantage when it comes to sensor technology.

Olympus TG-820 iHS vs Pentax K-x Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus TG-820 iHS vs Pentax K-x Specifications
Olympus TG-820 iHS | Pentax K-x | |
---|---|---|
General Information | ||
Brand Name | Olympus | Pentax |
Model | Olympus TG-820 iHS | Pentax K-x |
Class | Waterproof | Entry-Level DSLR |
Revealed | 2012-02-08 | 2009-12-23 |
Body design | Compact | Compact SLR |
Sensor Information | ||
Processor | TruePic VI | Prime |
Sensor type | CMOS | CMOS |
Sensor size | 1/2.3" | APS-C |
Sensor measurements | 6.17 x 4.55mm | 23.6 x 15.8mm |
Sensor surface area | 28.1mm² | 372.9mm² |
Sensor resolution | 12MP | 12MP |
Anti aliasing filter | ||
Aspect ratio | - | 3:2 |
Maximum resolution | 3968 x 2976 | 4288 x 2848 |
Maximum native ISO | 6400 | 6400 |
Maximum boosted ISO | - | 12800 |
Min native ISO | 100 | 100 |
RAW files | ||
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Autofocus continuous | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detect focus | ||
Contract detect focus | ||
Phase detect focus | ||
Number of focus points | - | 11 |
Lens | ||
Lens mount | fixed lens | Pentax KAF2 |
Lens focal range | 28-140mm (5.0x) | - |
Maximal aperture | f/3.9-5.9 | - |
Macro focus distance | 1cm | - |
Available lenses | - | 151 |
Crop factor | 5.8 | 1.5 |
Screen | ||
Range of display | Fixed Type | Fixed Type |
Display diagonal | 3 inches | 2.7 inches |
Resolution of display | 1,030k dot | 230k dot |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Display tech | HyperCrystal III TFT Color LCD | TFT LCD monitor |
Viewfinder Information | ||
Viewfinder | None | Optical (pentamirror) |
Viewfinder coverage | - | 96 percent |
Viewfinder magnification | - | 0.57x |
Features | ||
Lowest shutter speed | 4 secs | 30 secs |
Highest shutter speed | 1/2000 secs | 1/6000 secs |
Continuous shooting speed | 5.0 frames per second | 5.0 frames per second |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | - | Yes |
Set white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | 3.50 m | 16.00 m |
Flash modes | Auto, On, Off, Red-Eye, Fill-in | Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless |
External flash | ||
AE bracketing | ||
WB bracketing | ||
Highest flash sync | - | 1/180 secs |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | 1920 x 1080 (30 fps)1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) | 1280 x 720 (24 fps), 640 x 416 (24 fps) |
Maximum video resolution | 1920x1080 | 1280x720 |
Video data format | MPEG-4, H.264 | Motion JPEG |
Microphone input | ||
Headphone input | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 206g (0.45 lb) | 580g (1.28 lb) |
Dimensions | 101 x 65 x 26mm (4.0" x 2.6" x 1.0") | 123 x 92 x 68mm (4.8" x 3.6" x 2.7") |
DXO scores | ||
DXO All around score | not tested | 72 |
DXO Color Depth score | not tested | 22.8 |
DXO Dynamic range score | not tested | 12.5 |
DXO Low light score | not tested | 811 |
Other | ||
Battery life | 220 photographs | 1900 photographs |
Battery format | Battery Pack | Battery Pack |
Battery model | LI-50B | 4 x AA |
Self timer | Yes (2 or 12 sec, pet auto shutter) | Yes (2 or 12 sec) |
Time lapse shooting | ||
Type of storage | SD/SDHC/SDXC | SD/SDHC card |
Storage slots | One | One |
Retail pricing | $500 | $600 |