Pentax K-1 II vs Sony RX10 IV
55 Imaging
77 Features
82 Overall
79


52 Imaging
53 Features
82 Overall
64
Pentax K-1 II vs Sony RX10 IV Key Specs
(Full Review)
- 36MP - Full frame Sensor
- 3.2" Fully Articulated Screen
- ISO 100 - 819200
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF4 Mount
- 1010g - 137 x 110 x 86mm
- Revealed February 2018
- Earlier Model is Pentax K-1
(Full Review)
- 20MP - 1" Sensor
- 3" Tilting Screen
- ISO 125 - 12800 (Increase to 25600)
- Optical Image Stabilization
- 3840 x 2160 video
- 24-600mm (F2.4-4.0) lens
- 1095g - 133 x 94 x 145mm
- Released September 2017
- Older Model is Sony RX10 III

Pentax K-1 II vs Sony RX10 IV Overview
In this article, we will be contrasting the Pentax K-1 II vs Sony RX10 IV, one being a Advanced DSLR and the latter is a Large Sensor Superzoom by companies Pentax and Sony. There exists a big gap among the sensor resolutions of the K-1 II (36MP) and RX10 IV (20MP) and the K-1 II (Full frame) and RX10 IV (1") enjoy totally different sensor measurements.

The K-1 II was manufactured 6 months later than the RX10 IV so they are both of a similar generation. Both of these cameras offer different body type with the Pentax K-1 II being a Mid-size SLR camera and the Sony RX10 IV being a SLR-like (bridge) camera.
Before delving straight into a thorough comparison, below is a brief overview of how the K-1 II matches up versus the RX10 IV with respect to portability, imaging, features and an overall rating.

Pentax K-1 II vs Sony RX10 IV Gallery
Below is a preview of the gallery photos for Pentax K-1 Mark II and Sony Cyber-shot DSC-RX10 IV. The entire galleries are available at Pentax K-1 II Gallery and Sony RX10 IV Gallery.
Reasons to pick Pentax K-1 II over the Sony RX10 IV
K-1 II | RX10 IV | |||
---|---|---|---|---|
Screen type | Fully Articulated | ![]() | Tilting | Fully Articulating screen |
Screen sizing | 3.2" | ![]() | 3" | Bigger screen (+0.2") |
Reasons to pick Sony RX10 IV over the Pentax K-1 II
RX10 IV | K-1 II | |||
---|---|---|---|---|
Screen resolution | 1440k | ![]() | 1037k | Crisper screen (+403k dot) |
Touch friendly screen | ![]() | Quickly navigate |
Common features in the Pentax K-1 II and Sony RX10 IV
K-1 II | RX10 IV | |||
---|---|---|---|---|
Released | February 2018 | ![]() | September 2017 | Same generation |
Focus manually | ![]() | Dial precise focusing | ||
Selfie screen | ![]() | Neither has selfie screen |
Pentax K-1 II vs Sony RX10 IV Physical Comparison
For anyone who is planning to carry your camera regularly, you're going to have to factor in its weight and dimensions. The Pentax K-1 II has outside dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") with a weight of 1010 grams (2.23 lbs) while the Sony RX10 IV has dimensions of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") with a weight of 1095 grams (2.41 lbs).
Analyze the Pentax K-1 II vs Sony RX10 IV in the latest Camera with Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you select during that time. Below is the front view over all size comparison of the K-1 II and the RX10 IV.

Factoring in dimensions and weight, the portability grade of the K-1 II and RX10 IV is 55 and 52 respectively.

Pentax K-1 II vs Sony RX10 IV Sensor Comparison
Sometimes, it's tough to envision the gap in sensor sizing simply by looking through specs. The graphic underneath will give you a clearer sense of the sensor sizes in the K-1 II and RX10 IV.
As you can plainly see, the 2 cameras offer different megapixel count and different sensor sizing. The K-1 II featuring a bigger sensor will make achieving shallow depth of field simpler and the Pentax K-1 II will provide you with greater detail due to its extra 16MP. Higher resolution will also allow you to crop shots a little more aggressively.

Pentax K-1 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-1 II vs Sony RX10 IV Specifications
Pentax K-1 Mark II | Sony Cyber-shot DSC-RX10 IV | |
---|---|---|
General Information | ||
Make | Pentax | Sony |
Model type | Pentax K-1 Mark II | Sony Cyber-shot DSC-RX10 IV |
Class | Advanced DSLR | Large Sensor Superzoom |
Revealed | 2018-02-22 | 2017-09-12 |
Physical type | Mid-size SLR | SLR-like (bridge) |
Sensor Information | ||
Processor Chip | PRIME IV | Bionz X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | Full frame | 1" |
Sensor dimensions | 35.9 x 24mm | 13.2 x 8.8mm |
Sensor area | 861.6mm² | 116.2mm² |
Sensor resolution | 36MP | 20MP |
Anti alias filter | ||
Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
Peak resolution | 7360 x 4912 | 5472 x 3648 |
Highest native ISO | 819200 | 12800 |
Highest enhanced ISO | - | 25600 |
Min native ISO | 100 | 125 |
RAW data | ||
Min enhanced ISO | - | 64 |
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Selective autofocus | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Total focus points | 33 | 315 |
Cross type focus points | 25 | - |
Lens | ||
Lens mount type | Pentax KAF4 | fixed lens |
Lens zoom range | - | 24-600mm (25.0x) |
Maximum aperture | - | f/2.4-4.0 |
Macro focusing distance | - | 3cm |
Total lenses | 151 | - |
Crop factor | 1 | 2.7 |
Screen | ||
Screen type | Fully Articulated | Tilting |
Screen diagonal | 3.2" | 3" |
Screen resolution | 1,037 thousand dots | 1,440 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,359 thousand dots |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.7x | 0.7x |
Features | ||
Min shutter speed | 30 secs | 30 secs |
Max shutter speed | 1/8000 secs | 1/2000 secs |
Max silent shutter speed | - | 1/32000 secs |
Continuous shutter rate | 4.4fps | 24.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 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 | Auto, fill-flash, slow sync, rear sync, off |
External flash | ||
Auto exposure bracketing | ||
WB bracketing | ||
Max flash synchronize | 1/200 secs | 1/2000 secs |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) | 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p) |
Highest video resolution | 1920x1080 | 3840x2160 |
Video format | MPEG-4, H.264 | MPEG-4, AVCHD, XAVC S |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | 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 | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Built-in | None |
Physical | ||
Environment sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 1010g (2.23 lb) | 1095g (2.41 lb) |
Dimensions | 137 x 110 x 86mm (5.4" x 4.3" x 3.4") | 133 x 94 x 145mm (5.2" x 3.7" x 5.7") |
DXO scores | ||
DXO Overall rating | not tested | not tested |
DXO Color Depth rating | not tested | not tested |
DXO Dynamic range rating | not tested | not tested |
DXO Low light rating | not tested | not tested |
Other | ||
Battery life | 670 shots | 400 shots |
Battery type | Battery Pack | Battery Pack |
Battery ID | D-LI90 | NP-FW50 |
Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 10 sec, continuous) |
Time lapse shooting | ||
Type of storage | Dual SD/SDHC/SDXC (UHS-I) | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
Card slots | Two | Single |
Launch pricing | $1,737 | $1,698 |