Pentax K-50 vs Sony RX100 III
63 Imaging
58 Features
65 Overall
60


89 Imaging
51 Features
77 Overall
61
Pentax K-50 vs Sony RX100 III Key Specs
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 51600
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 650g - 130 x 97 x 71mm
- Introduced November 2013
- Old Model is Pentax K-30
(Full Review)
- 20MP - 1" Sensor
- 3" Tilting Screen
- ISO 125 - 12800
- Optical Image Stabilization
- 1920 x 1080 video
- 24-70mm (F1.8-2.8) lens
- 290g - 102 x 58 x 41mm
- Revealed May 2014
- Previous Model is Sony RX100 II
- Renewed by Sony RX100 IV

Pentax K-50 vs Sony RX100 III Overview
Below, we will be reviewing the Pentax K-50 and Sony RX100 III, former is a Entry-Level DSLR while the latter is a Large Sensor Compact by manufacturers Pentax and Sony. The resolution of the K-50 (16MP) and the RX100 III (20MP) is pretty similar but the K-50 (APS-C) and RX100 III (1") possess different sensor dimensions.

The K-50 was introduced 5 months earlier than the RX100 III and they are of a similar age. Both the cameras come with different body type with the Pentax K-50 being a Compact SLR camera and the Sony RX100 III being a Large Sensor Compact camera.
Before we go through a in depth comparison, below is a short summary of how the K-50 scores against the RX100 III with regards to portability, imaging, features and an overall mark.

Pentax K-50 vs Sony RX100 III Gallery
Below is a preview of the gallery images for Pentax K-50 & Sony Cyber-shot DSC-RX100 III. The whole galleries are provided at Pentax K-50 Gallery & Sony RX100 III Gallery.
Reasons to pick Pentax K-50 over the Sony RX100 III
K-50 | RX100 III |
---|
Reasons to pick Sony RX100 III over the Pentax K-50
RX100 III | K-50 | |||
---|---|---|---|---|
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen resolution | 1229k | ![]() | 921k | Sharper screen (+308k dot) |
Selfie screen | ![]() | Easy selfies |
Common features in the Pentax K-50 and Sony RX100 III
K-50 | RX100 III | |||
---|---|---|---|---|
Revealed | November 2013 | ![]() | May 2014 | Similar age |
Manual focus | ![]() | Very accurate focus | ||
Screen dimension | 3" | ![]() | 3" | Identical screen sizing |
Touch friendly screen | ![]() | Lack of Touch friendly screen |
Pentax K-50 vs Sony RX100 III Physical Comparison
For anybody who is planning to travel with your camera frequently, you will have to consider its weight and dimensions. The Pentax K-50 enjoys exterior measurements of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") having a weight of 650 grams (1.43 lbs) while the Sony RX100 III has dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 290 grams (0.64 lbs).
Contrast the Pentax K-50 and Sony RX100 III in our brand new Camera plus Lens Size Comparison Tool.
Do not forget, the weight of an ILC will differ dependant on the lens you have attached during that time. Following is the front view over all size comparison of the K-50 versus the RX100 III.

Considering size and weight, the portability grade of the K-50 and RX100 III is 63 and 89 respectively.

Pentax K-50 vs Sony RX100 III Sensor Comparison
Often, it's difficult to picture the gap between sensor dimensions purely by going over specs. The picture here should offer you a more clear sense of the sensor sizing in the K-50 and RX100 III.
All in all, the 2 cameras have got different resolutions and different sensor dimensions. The K-50 using its bigger sensor is going to make getting bokeh less difficult and the Sony RX100 III will offer you more detail using its extra 4 Megapixels. Higher resolution will also enable you to crop photographs much more aggressively.

Pentax K-50 vs Sony RX100 III Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-50 vs Sony RX100 III Specifications
Pentax K-50 | Sony Cyber-shot DSC-RX100 III | |
---|---|---|
General Information | ||
Manufacturer | Pentax | Sony |
Model | Pentax K-50 | Sony Cyber-shot DSC-RX100 III |
Class | Entry-Level DSLR | Large Sensor Compact |
Introduced | 2013-11-27 | 2014-05-15 |
Physical type | Compact SLR | Large Sensor Compact |
Sensor Information | ||
Chip | PRIME M | Bionz X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | APS-C | 1" |
Sensor dimensions | 23.7 x 15.7mm | 13.2 x 8.8mm |
Sensor surface area | 372.1mm² | 116.2mm² |
Sensor resolution | 16MP | 20MP |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
Peak resolution | 4928 x 3264 | 5472 x 3648 |
Highest native ISO | 51600 | 12800 |
Lowest native ISO | 100 | 125 |
RAW images | ||
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Continuous autofocus | ||
Autofocus single | ||
Autofocus tracking | ||
Selective autofocus | ||
Autofocus center weighted | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Number of focus points | 11 | 25 |
Cross focus points | 9 | - |
Lens | ||
Lens mounting type | Pentax KAF2 | fixed lens |
Lens focal range | - | 24-70mm (2.9x) |
Largest aperture | - | f/1.8-2.8 |
Macro focus distance | - | 5cm |
Amount of lenses | 151 | - |
Crop factor | 1.5 | 2.7 |
Screen | ||
Display type | Fixed Type | Tilting |
Display diagonal | 3 inches | 3 inches |
Resolution of display | 921k dots | 1,229k dots |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Display technology | TFT LCD monitor with brightness/color adjustment and AR coating | - |
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 1,440k dots |
Viewfinder coverage | 100 percent | 100 percent |
Viewfinder magnification | 0.61x | 0.59x |
Features | ||
Min shutter speed | 30s | 30s |
Max shutter speed | 1/6000s | 1/2000s |
Continuous shutter rate | 6.0 frames per second | 10.0 frames per second |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash range | 12.00 m (at ISO 100) | - |
Flash modes | Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless | - |
Hot shoe | ||
AEB | ||
WB bracketing | ||
Max flash synchronize | 1/180s | 1/2000s |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50,30,25,24 fps), 640 x 424 (30,25,24 fps) | 1920 x 1080 (60p/60i/24p), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
Highest video resolution | 1920x1080 | 1920x1080 |
Video file format | MPEG-4, H.264 | MPEG-4, AVCHD, XAVC S |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | None |
Physical | ||
Environment sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 650 grams (1.43 pounds) | 290 grams (0.64 pounds) |
Dimensions | 130 x 97 x 71mm (5.1" x 3.8" x 2.8") | 102 x 58 x 41mm (4.0" x 2.3" x 1.6") |
DXO scores | ||
DXO Overall score | 79 | 67 |
DXO Color Depth score | 23.7 | 22.4 |
DXO Dynamic range score | 13.0 | 12.3 |
DXO Low light score | 1120 | 495 |
Other | ||
Battery life | 410 photos | 320 photos |
Battery type | Battery Pack | Battery Pack |
Battery model | D-LI109 | NP-BX1 |
Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec, self-portrait, continuous) |
Time lapse feature | With downloadable app | |
Type of storage | SD/SDHC/SDXC | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
Card slots | Single | Single |
Cost at release | $610 | $748 |