Pentax K-3 II vs Sony RX10 IV
59 Imaging
66 Features
84 Overall
73


52 Imaging
53 Features
82 Overall
64
Pentax K-3 II vs Sony RX10 IV Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Display
- 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
- Revealed April 2015
- Replaced the Pentax K-3
(Full Review)
- 20MP - 1" Sensor
- 3" Tilting Screen
- ISO 125 - 12800 (Push to 25600)
- Optical Image Stabilization
- 3840 x 2160 video
- 24-600mm (F2.4-4.0) lens
- 1095g - 133 x 94 x 145mm
- Introduced September 2017
- Previous Model is Sony RX10 III

Pentax K-3 II vs Sony RX10 IV Overview
In this write-up, we will be analyzing the Pentax K-3 II versus Sony RX10 IV, former is a Advanced DSLR while the latter is a Large Sensor Superzoom by companies Pentax and Sony. The resolution of the K-3 II (24MP) and the RX10 IV (20MP) is pretty well matched but the K-3 II (APS-C) and RX10 IV (1") feature different sensor measurements.

The K-3 II was introduced 3 years earlier than the RX10 IV which is quite a sizable difference as far as technology is concerned. Both cameras offer different body type with the Pentax K-3 II being a Mid-size SLR camera and the Sony RX10 IV being a SLR-like (bridge) camera.
Before diving straight into a complete comparison, below is a brief summary of how the K-3 II matches up against the RX10 IV with regards to portability, imaging, features and an overall mark.

Pentax K-3 II vs Sony RX10 IV Gallery
Here is a preview of the gallery images for Pentax K-3 II & Sony Cyber-shot DSC-RX10 IV. The whole galleries are provided at Pentax K-3 II Gallery & Sony RX10 IV Gallery.
Reasons to pick Pentax K-3 II over the Sony RX10 IV
K-3 II | RX10 IV | |||
---|---|---|---|---|
Screen sizing | 3.2" | ![]() | 3" | Bigger screen (+0.2") |
Reasons to pick Sony RX10 IV over the Pentax K-3 II
RX10 IV | K-3 II | |||
---|---|---|---|---|
Introduced | September 2017 | ![]() | April 2015 | Newer by 29 months |
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen resolution | 1440k | ![]() | 1037k | Crisper screen (+403k dot) |
Touch screen | ![]() | Quickly navigate |
Common features in the Pentax K-3 II and Sony RX10 IV
K-3 II | RX10 IV | |||
---|---|---|---|---|
Focus manually | ![]() | Very precise focus | ||
Selfie screen | ![]() | Missing selfie screen |
Pentax K-3 II vs Sony RX10 IV Physical Comparison
When you are looking to travel with your camera, you have to factor in its weight and size. The Pentax K-3 II offers exterior dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs) and the Sony RX10 IV has specifications of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") and a weight of 1095 grams (2.41 lbs).
Contrast the Pentax K-3 II versus Sony RX10 IV in our newest Camera plus Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will change depending on the lens you have chosen during that time. The following is the front view measurement comparison of the K-3 II versus the RX10 IV.

Considering dimensions and weight, the portability grade of the K-3 II and RX10 IV is 59 and 52 respectively.

Pentax K-3 II vs Sony RX10 IV Sensor Comparison
Typically, it can be hard to visualize the difference between sensor dimensions only by reading through technical specs. The pic underneath will help offer you a more clear sense of the sensor dimensions in the K-3 II and RX10 IV.
As you can tell, both of these cameras offer different megapixels and different sensor dimensions. The K-3 II with its bigger sensor is going to make getting shallower depth of field less difficult and the Pentax K-3 II will resolve more detail using its extra 4MP. Higher resolution will enable you to crop shots a little more aggressively. The more aged K-3 II is going to be disadvantaged with regard to sensor innovation.

Pentax K-3 II vs Sony RX10 IV Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-3 II vs Sony RX10 IV Specifications
Pentax K-3 II | Sony Cyber-shot DSC-RX10 IV | |
---|---|---|
General Information | ||
Company | Pentax | Sony |
Model | Pentax K-3 II | Sony Cyber-shot DSC-RX10 IV |
Type | Advanced DSLR | Large Sensor Superzoom |
Revealed | 2015-04-23 | 2017-09-12 |
Body design | Mid-size SLR | SLR-like (bridge) |
Sensor Information | ||
Processor | Prime III | Bionz X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | APS-C | 1" |
Sensor dimensions | 23.5 x 15.6mm | 13.2 x 8.8mm |
Sensor surface area | 366.6mm² | 116.2mm² |
Sensor resolution | 24 megapixels | 20 megapixels |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
Max resolution | 6016 x 4000 | 5472 x 3648 |
Max native ISO | 51200 | 12800 |
Max enhanced ISO | - | 25600 |
Min native ISO | 100 | 125 |
RAW data | ||
Min enhanced ISO | - | 64 |
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Continuous AF | ||
Single AF | ||
Tracking AF | ||
AF selectice | ||
AF center weighted | ||
AF multi area | ||
Live view AF | ||
Face detect AF | ||
Contract detect AF | ||
Phase detect AF | ||
Number of focus points | 27 | 315 |
Cross focus points | 25 | - |
Lens | ||
Lens mounting type | Pentax KAF2 | fixed lens |
Lens focal range | - | 24-600mm (25.0x) |
Maximum aperture | - | f/2.4-4.0 |
Macro focus range | - | 3cm |
Available lenses | 151 | - |
Crop factor | 1.5 | 2.7 |
Screen | ||
Display type | Fixed Type | Tilting |
Display size | 3.2" | 3" |
Resolution of display | 1,037 thousand dot | 1,440 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,359 thousand dot |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.64x | 0.7x |
Features | ||
Min shutter speed | 30s | 30s |
Max shutter speed | 1/8000s | 1/2000s |
Max quiet shutter speed | - | 1/32000s |
Continuous shutter speed | 8.3fps | 24.0fps |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Built-in flash | ||
Flash range | no built-in flash | 10.80 m (at Auto ISO) |
Flash modes | Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync (available with dedicated external flash) | Auto, fill-flash, slow sync, rear sync, off |
External flash | ||
AEB | ||
White balance bracketing | ||
Max flash sync | 1/180s | 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 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) | 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p) |
Max video resolution | 1920x1080 | 3840x2160 |
Video file format | MPEG-4, H.264 | MPEG-4, AVCHD, XAVC S |
Mic input | ||
Headphone input | ||
Connectivity | ||
Wireless | Optional | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | BuiltIn | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 800 gr (1.76 lbs) | 1095 gr (2.41 lbs) |
Dimensions | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") | 133 x 94 x 145mm (5.2" x 3.7" x 5.7") |
DXO scores | ||
DXO Overall score | 80 | not tested |
DXO Color Depth score | 23.6 | not tested |
DXO Dynamic range score | 13.6 | not tested |
DXO Low light score | 1106 | not tested |
Other | ||
Battery life | 720 pictures | 400 pictures |
Form of battery | Battery Pack | Battery Pack |
Battery model | D-LI90 | NP-FW50 |
Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec, continuous) |
Time lapse shooting | ||
Storage media | Dual SD/SDHC/SDXC | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
Storage slots | Dual | One |
Pricing at release | $829 | $1,698 |