Pentax K-5 vs Sony RX100 IV
60 Imaging
56 Features
82 Overall
66


89 Imaging
52 Features
79 Overall
62
Pentax K-5 vs Sony RX100 IV Key Specs
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Screen
- ISO 80 - 12800 (Push to 51200)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 740g - 131 x 97 x 73mm
- Revealed December 2010
- Previous Model is Pentax K-7
- Later Model is Pentax K-5 IIs
(Full Review)
- 20MP - 1" Sensor
- 3" Tilting Screen
- ISO 125 - 12800 (Boost 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
- Succeeded the Sony RX100 III
- New Model is Sony RX100 V

Pentax K-5 vs Sony RX100 IV Overview
Here is a detailed comparison of the Pentax K-5 and Sony RX100 IV, former being a Advanced DSLR while the latter is a Large Sensor Compact by brands Pentax and Sony. The image resolution of the K-5 (16MP) and the RX100 IV (20MP) is pretty well matched but the K-5 (APS-C) and RX100 IV (1") offer different sensor sizes.

The K-5 was introduced 5 years before the RX100 IV and that is quite a big difference as far as tech is concerned. Both of these cameras have different body design with the Pentax K-5 being a Mid-size SLR camera and the Sony RX100 IV being a Large Sensor Compact camera.
Before going straight to a more detailed comparison, here is a concise introduction of how the K-5 grades vs the RX100 IV with respect to portability, imaging, features and an overall rating.

Pentax K-5 vs Sony RX100 IV Gallery
This is a preview of the gallery images for Pentax K-5 & Sony Cyber-shot DSC-RX100 IV. The whole galleries are viewable at Pentax K-5 Gallery & Sony RX100 IV Gallery.
Reasons to pick Pentax K-5 over the Sony RX100 IV
K-5 | RX100 IV |
---|
Reasons to pick Sony RX100 IV over the Pentax K-5
RX100 IV | K-5 | |||
---|---|---|---|---|
Introduced | June 2015 | ![]() | December 2010 | Fresher by 54 months |
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen resolution | 1229k | ![]() | 921k | Sharper screen (+308k dot) |
Selfie screen | ![]() | Take selfies |
Common features in the Pentax K-5 and Sony RX100 IV
K-5 | RX100 IV | |||
---|---|---|---|---|
Manual focus | ![]() | Very accurate focus | ||
Screen dimensions | 3" | ![]() | 3" | Equal screen dimensions |
Touch friendly screen | ![]() | Lack of Touch friendly screen |
Pentax K-5 vs Sony RX100 IV Physical Comparison
For anybody who is aiming to carry your camera frequently, you are going to need to factor its weight and size. The Pentax K-5 has external dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 740 grams (1.63 lbs) and the Sony RX100 IV has specifications of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") along with a weight of 298 grams (0.66 lbs).
Compare the Pentax K-5 and Sony RX100 IV in our completely new Camera plus Lens Size Comparison Tool.
Take into consideration, the weight of an ILC will change based on the lens you are using at that time. Underneath is a front view proportions comparison of the K-5 vs the RX100 IV.

Factoring in size and weight, the portability rating of the K-5 and RX100 IV is 60 and 89 respectively.

Pentax K-5 vs Sony RX100 IV Sensor Comparison
Usually, it can be hard to visualize the contrast between sensor sizing merely by looking at a spec sheet. The photograph underneath should offer you a far better sense of the sensor sizes in the K-5 and RX100 IV.
As you can see, the 2 cameras have different megapixel count and different sensor sizing. The K-5 using its bigger sensor is going to make getting bokeh simpler and the Sony RX100 IV will give extra detail using its extra 4 Megapixels. Higher resolution will make it easier to crop shots a bit more aggressively. The older K-5 is going to be behind when it comes to sensor tech.

Pentax K-5 vs Sony RX100 IV Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-5 vs Sony RX100 IV Specifications
Pentax K-5 | Sony Cyber-shot DSC-RX100 IV | |
---|---|---|
General Information | ||
Brand | Pentax | Sony |
Model | Pentax K-5 | Sony Cyber-shot DSC-RX100 IV |
Class | Advanced DSLR | Large Sensor Compact |
Revealed | 2010-12-18 | 2015-06-10 |
Body design | Mid-size SLR | Large Sensor Compact |
Sensor Information | ||
Chip | Prime II | 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 area | 372.1mm² | 116.2mm² |
Sensor resolution | 16 megapixels | 20 megapixels |
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 | 12800 | 12800 |
Highest enhanced ISO | 51200 | 25600 |
Minimum native ISO | 80 | 125 |
RAW photos | ||
Minimum enhanced ISO | - | 80 |
Autofocusing | ||
Manual focus | ||
AF touch | ||
AF continuous | ||
AF single | ||
AF tracking | ||
Selective AF | ||
AF center weighted | ||
Multi area AF | ||
AF live view | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Number of focus points | 11 | 25 |
Cross focus points | 9 | - |
Lens | ||
Lens mount | Pentax KAF2 | fixed lens |
Lens focal range | - | 24-70mm (2.9x) |
Highest aperture | - | f/1.8-2.8 |
Macro focus distance | - | 5cm |
Amount of lenses | 151 | - |
Focal length multiplier | 1.5 | 2.7 |
Screen | ||
Screen type | Fixed Type | Tilting |
Screen sizing | 3" | 3" |
Resolution of screen | 921 thousand dot | 1,229 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Screen technology | TFT LCD monitor | - |
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,359 thousand dot |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.61x | 0.59x |
Features | ||
Min shutter speed | 30 seconds | 30 seconds |
Max shutter speed | 1/8000 seconds | 1/2000 seconds |
Max silent shutter speed | - | 1/32000 seconds |
Continuous shutter speed | 7.0fps | 16.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 13.00 m (at ISO 100) | - |
Flash options | Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless | - |
Hot shoe | ||
AE bracketing | ||
WB bracketing | ||
Max flash sync | 1/180 seconds | 1/2000 seconds |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 424 (25, 30 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) |
Highest video resolution | 1920x1080 | 3840x2160 |
Video file format | Motion JPEG | MPEG-4, AVCHD, XAVC S |
Mic jack | ||
Headphone jack | ||
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 | ||
Environmental seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 740 grams (1.63 lb) | 298 grams (0.66 lb) |
Physical dimensions | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") | 102 x 58 x 41mm (4.0" x 2.3" x 1.6") |
DXO scores | ||
DXO Overall score | 82 | 70 |
DXO Color Depth score | 23.7 | 22.9 |
DXO Dynamic range score | 14.1 | 12.6 |
DXO Low light score | 1162 | 562 |
Other | ||
Battery life | 980 photos | 280 photos |
Battery form | Battery Pack | Battery Pack |
Battery model | D-LI90 | NP-BX1 |
Self timer | Yes ( 2 or 12 seconds) | Yes |
Time lapse shooting | With downloadable app | |
Type of storage | SD/SDHC/SDXC | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
Storage slots | Single | Single |
Launch price | $800 | $898 |