Pentax K-1 vs Sony A9 II
55 Imaging
75 Features
82 Overall
77


62 Imaging
75 Features
93 Overall
82
Pentax K-1 vs Sony A9 II Key Specs
(Full Review)
- 36MP - Full frame Sensor
- 3.2" Fully Articulated Display
- ISO 100 - 204800
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 1010g - 137 x 110 x 86mm
- Introduced February 2016
- New Model is Pentax K-1 II
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Raise to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 678g - 129 x 96 x 76mm
- Launched October 2019
- Replaced the Sony A9

Pentax K-1 vs Sony A9 II Overview
Let's look a bit more in depth at the Pentax K-1 and Sony A9 II, former is a Advanced DSLR while the latter is a Pro Mirrorless by companies Pentax and Sony. There is a sizable difference among the image resolutions of the K-1 (36MP) and A9 II (24MP) but both cameras offer the identical sensor size (Full frame).

The K-1 was manufactured 4 years earlier than the A9 II which is a fairly significant difference as far as camera tech is concerned. Each of these cameras feature different body design with the Pentax K-1 being a Mid-size SLR camera and the Sony A9 II being a SLR-style mirrorless camera.
Before diving right into a complete comparison, here is a simple summary of how the K-1 scores versus the A9 II in relation to portability, imaging, features and an overall mark.

Pentax K-1 vs Sony A9 II Gallery
Following is a preview of the gallery photos for Pentax K-1 & Sony Alpha A9 Mark II. The entire galleries are available at Pentax K-1 Gallery & Sony A9 II Gallery.
Reasons to pick Pentax K-1 over the Sony A9 II
K-1 | A9 II | |||
---|---|---|---|---|
Screen type | Fully Articulated | ![]() | Tilting | Fully Articulating screen |
Screen size | 3.2" | ![]() | 3" | Bigger screen (+0.2") |
Reasons to pick Sony A9 II over the Pentax K-1
A9 II | K-1 | |||
---|---|---|---|---|
Launched | October 2019 | ![]() | February 2016 | Newer by 44 months |
Screen resolution | 1440k | ![]() | 1037k | Crisper screen (+403k dot) |
Touch friendly screen | ![]() | Quickly navigate |
Common features in the Pentax K-1 and Sony A9 II
K-1 | A9 II | |||
---|---|---|---|---|
Manually focus | ![]() | More exact focusing | ||
Selfie screen | ![]() | Neither provides selfie screen |
Pentax K-1 vs Sony A9 II Physical Comparison
For anyone who is intending to travel with your camera regularly, you will need to take into account its weight and measurements. The Pentax K-1 provides outer measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") having a weight of 1010 grams (2.23 lbs) whilst the Sony A9 II has proportions of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") with a weight of 678 grams (1.49 lbs).
Analyze the Pentax K-1 and Sony A9 II in our brand new Camera plus Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will differ dependant on the lens you have chosen at that time. Here is a front view size comparison of the K-1 against the A9 II.

Using size and weight, the portability grade of the K-1 and A9 II is 55 and 62 respectively.

Pentax K-1 vs Sony A9 II Sensor Comparison
Oftentimes, its hard to envision the gap in sensor dimensions only by viewing a spec sheet. The picture below might offer you a clearer sense of the sensor sizing in the K-1 and A9 II.
Clearly, both of these cameras feature the identical sensor size albeit not the same MP. You can count on the Pentax K-1 to result in extra detail due to its extra 12MP. Higher resolution will also enable you to crop shots way more aggressively. The more aged K-1 will be behind with regard to sensor tech.

Pentax K-1 vs Sony A9 II Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-1 vs Sony A9 II Specifications
Pentax K-1 | Sony Alpha A9 Mark II | |
---|---|---|
General Information | ||
Brand | Pentax | Sony |
Model | Pentax K-1 | Sony Alpha A9 Mark II |
Type | Advanced DSLR | Pro Mirrorless |
Introduced | 2016-02-17 | 2019-10-03 |
Physical type | Mid-size SLR | SLR-style mirrorless |
Sensor Information | ||
Powered by | - | BIONZ X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | Full frame | Full frame |
Sensor dimensions | 35.9 x 24mm | 35.6 x 23.8mm |
Sensor surface area | 861.6mm² | 847.3mm² |
Sensor resolution | 36MP | 24MP |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 |
Maximum resolution | 7360 x 4912 | 6000 x 4000 |
Maximum native ISO | 204800 | 51200 |
Maximum boosted ISO | - | 204800 |
Lowest native ISO | 100 | 100 |
RAW photos | ||
Lowest boosted ISO | - | 50 |
Autofocusing | ||
Focus manually | ||
AF touch | ||
Continuous AF | ||
AF single | ||
AF tracking | ||
AF selectice | ||
AF center weighted | ||
AF multi area | ||
Live view AF | ||
Face detect AF | ||
Contract detect AF | ||
Phase detect AF | ||
Number of focus points | 33 | 693 |
Cross focus points | 25 | - |
Lens | ||
Lens mount | Pentax KAF2 | Sony E |
Number of lenses | 151 | 121 |
Focal length multiplier | 1 | 1 |
Screen | ||
Display type | Fully Articulated | Tilting |
Display diagonal | 3.2 inches | 3 inches |
Resolution of display | 1,037k dots | 1,440k dots |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 3,686k dots |
Viewfinder coverage | 100 percent | 100 percent |
Viewfinder magnification | 0.7x | 0.78x |
Features | ||
Lowest shutter speed | 30 secs | 30 secs |
Highest shutter speed | 1/8000 secs | 1/8000 secs |
Highest quiet shutter speed | - | 1/32000 secs |
Continuous shooting rate | 4.4 frames/s | 20.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | Yes |
Set WB | ||
Image stabilization | ||
Built-in flash | ||
Flash range | no built-in flash | no built-in flash |
Flash settings | 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 | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
External flash | ||
AE bracketing | ||
White balance bracketing | ||
Highest flash synchronize | 1/200 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 / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
Maximum video resolution | 1920x1080 | 3840x2160 |
Video data format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
Mic support | ||
Headphone support | ||
Connectivity | ||
Wireless | Built-In | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 3.1 Gen 1 (5 GBit/sec) |
GPS | Built-in | None |
Physical | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 1010 gr (2.23 lb) | 678 gr (1.49 lb) |
Physical dimensions | 137 x 110 x 86mm (5.4" x 4.3" x 3.4") | 129 x 96 x 76mm (5.1" x 3.8" x 3.0") |
DXO scores | ||
DXO All around score | 96 | not tested |
DXO Color Depth score | 25.4 | not tested |
DXO Dynamic range score | 14.6 | not tested |
DXO Low light score | 3280 | not tested |
Other | ||
Battery life | 760 images | 690 images |
Style of battery | Battery Pack | Battery Pack |
Battery model | D-LI90 | NP-FZ100 |
Self timer | Yes (2 or 12 sec, custom) | Yes (2, 5, 10 secs + continuous, 3 or 5 frames) |
Time lapse recording | ||
Type of storage | Dual SD/SDHC/SDXC (UHS-I) | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
Card slots | Two | Two |
Retail cost | $1,499 | $4,498 |