Pentax WG-2 vs Sony RX100 IV
91 Imaging
39 Features
37 Overall
38


89 Imaging
51 Features
79 Overall
62
Pentax WG-2 vs Sony RX100 IV Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 125 - 6400
- 1920 x 1080 video
- 28-140mm (F3.5-5.5) lens
- 192g - 122 x 61 x 30mm
- Launched February 2012
(Full Review)
- 20MP - 1" Sensor
- 3" Tilting Display
- ISO 125 - 12800 (Expand to 25600)
- Optical Image Stabilization
- 3840 x 2160 video
- 24-70mm (F1.8-2.8) lens
- 298g - 102 x 58 x 41mm
- Introduced June 2015
- Earlier Model is Sony RX100 III
- Updated by Sony RX100 V

Pentax WG-2 vs Sony RX100 IV Overview
On this page, we are analyzing the Pentax WG-2 and Sony RX100 IV, former being a Waterproof while the other is a Large Sensor Compact by manufacturers Pentax and Sony. The image resolution of the WG-2 (16MP) and the RX100 IV (20MP) is very similar but the WG-2 (1/2.3") and RX100 IV (1") have totally different sensor size.

The WG-2 was introduced 4 years earlier than the RX100 IV and that is quite a sizable difference as far as technology is concerned. Each of these cameras have different body design with the Pentax WG-2 being a Compact camera and the Sony RX100 IV being a Large Sensor Compact camera.
Before getting straight to a complete comparison, here is a brief highlight of how the WG-2 grades against the RX100 IV when it comes to portability, imaging, features and an overall grade.

Pentax WG-2 vs Sony RX100 IV Gallery
The following is a sample of the gallery pics for Pentax Optio WG-2 & Sony Cyber-shot DSC-RX100 IV. The whole galleries are available at Pentax WG-2 Gallery & Sony RX100 IV Gallery.
Reasons to pick Pentax WG-2 over the Sony RX100 IV
WG-2 | RX100 IV |
---|
Reasons to pick Sony RX100 IV over the Pentax WG-2
RX100 IV | WG-2 | |||
---|---|---|---|---|
Introduced | June 2015 | ![]() | February 2012 | More recent by 40 months |
Display type | Tilting | ![]() | Fixed | Tilting display |
Display resolution | 1229k | ![]() | 460k | Crisper display (+769k dot) |
Selfie screen | ![]() | Take selfies |
Common features in the Pentax WG-2 and Sony RX100 IV
WG-2 | RX100 IV | |||
---|---|---|---|---|
Manually focus | ![]() | More precise focus | ||
Display dimensions | 3" | ![]() | 3" | Equal display size |
Touch display | ![]() | Neither features Touch display |
Pentax WG-2 vs Sony RX100 IV Physical Comparison
If you're intending to lug around your camera often, you will need to take into account its weight and proportions. The Pentax WG-2 enjoys outside dimensions of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") along with a weight of 192 grams (0.42 lbs) while the Sony RX100 IV has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 298 grams (0.66 lbs).
Examine the Pentax WG-2 and Sony RX100 IV in our completely new Camera & Lens Size Comparison Tool.
Take into consideration, the weight of an ILC will vary dependant on the lens you are utilizing at the time. Below is a front view proportions comparison of the WG-2 versus the RX100 IV.

Looking at dimensions and weight, the portability rating of the WG-2 and RX100 IV is 91 and 89 respectively.

Pentax WG-2 vs Sony RX100 IV Sensor Comparison
Sometimes, it is very hard to see the gap between sensor measurements only by going over specifications. The graphic below might provide you a greater sense of the sensor sizes in the WG-2 and RX100 IV.
To sum up, both of the cameras provide different megapixel count and different sensor measurements. The WG-2 having a tinier sensor will make getting shallower depth of field harder and the Sony RX100 IV will deliver more detail using its extra 4 Megapixels. Greater resolution will let you crop pics more aggressively. The older WG-2 is going to be disadvantaged when it comes to sensor technology.

Pentax WG-2 vs Sony RX100 IV Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax WG-2 vs Sony RX100 IV Specifications
Pentax Optio WG-2 | Sony Cyber-shot DSC-RX100 IV | |
---|---|---|
General Information | ||
Brand | Pentax | Sony |
Model | Pentax Optio WG-2 | Sony Cyber-shot DSC-RX100 IV |
Category | Waterproof | Large Sensor Compact |
Launched | 2012-02-07 | 2015-06-10 |
Body design | Compact | Large Sensor Compact |
Sensor Information | ||
Processor | - | Bionz X |
Sensor type | BSI-CMOS | BSI-CMOS |
Sensor size | 1/2.3" | 1" |
Sensor measurements | 6.17 x 4.55mm | 13.2 x 8.8mm |
Sensor area | 28.1mm² | 116.2mm² |
Sensor resolution | 16 megapixel | 20 megapixel |
Anti aliasing filter | ||
Aspect ratio | 1:1, 4:3 and 16:9 | 1:1, 4:3, 3:2 and 16:9 |
Full resolution | 4288 x 3216 | 5472 x 3648 |
Max native ISO | 6400 | 12800 |
Max boosted ISO | - | 25600 |
Lowest native ISO | 125 | 125 |
RAW support | ||
Lowest boosted ISO | - | 80 |
Autofocusing | ||
Manual focus | ||
Touch focus | ||
Autofocus continuous | ||
Autofocus single | ||
Autofocus tracking | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Number of focus points | 9 | 25 |
Lens | ||
Lens mounting type | fixed lens | fixed lens |
Lens focal range | 28-140mm (5.0x) | 24-70mm (2.9x) |
Maximal aperture | f/3.5-5.5 | f/1.8-2.8 |
Macro focus range | 1cm | 5cm |
Crop factor | 5.8 | 2.7 |
Screen | ||
Range of screen | Fixed Type | Tilting |
Screen diagonal | 3 inches | 3 inches |
Resolution of screen | 460k dot | 1,229k dot |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Screen tech | Widescreen TFT color LCD with anti-reflective coating | - |
Viewfinder Information | ||
Viewfinder | None | Electronic |
Viewfinder resolution | - | 2,359k dot |
Viewfinder coverage | - | 100 percent |
Viewfinder magnification | - | 0.59x |
Features | ||
Lowest shutter speed | 4s | 30s |
Highest shutter speed | 1/4000s | 1/2000s |
Highest silent shutter speed | - | 1/32000s |
Continuous shooting speed | 1.0 frames/s | 16.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | - | Yes |
Custom white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash range | 5.40 m | - |
Flash options | Auto, On, Off, Red-eye, Soft | - |
Hot shoe | ||
AE bracketing | ||
White balance bracketing | ||
Highest flash sync | - | 1/2000s |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30, 15 fps) | 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p/60i/24p), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
Max video resolution | 1920x1080 | 3840x2160 |
Video file format | MPEG-4, H.264 | MPEG-4, AVCHD, XAVC S |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Eye-Fi Connected | Built-In |
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 | 192g (0.42 pounds) | 298g (0.66 pounds) |
Physical dimensions | 122 x 61 x 30mm (4.8" x 2.4" x 1.2") | 102 x 58 x 41mm (4.0" x 2.3" x 1.6") |
DXO scores | ||
DXO All around score | not tested | 70 |
DXO Color Depth score | not tested | 22.9 |
DXO Dynamic range score | not tested | 12.6 |
DXO Low light score | not tested | 562 |
Other | ||
Battery life | 260 photographs | 280 photographs |
Battery form | Battery Pack | Battery Pack |
Battery model | D-LI92 | NP-BX1 |
Self timer | Yes (2 or 10 sec) | Yes |
Time lapse shooting | With downloadable app | |
Storage media | SD/SDHC/SDXC card, Internal | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
Storage slots | Single | Single |
Price at launch | $350 | $898 |