Pentax K-5 IIs vs Sony A9 II
60 Imaging
57 Features
83 Overall
67
62 Imaging
74 Features
93 Overall
81
Pentax K-5 IIs vs Sony A9 II Key Specs
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 12800 (Push to 51200)
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 760g - 131 x 97 x 73mm
- Announced June 2013
- Replaced the Pentax K-5
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Increase to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 678g - 129 x 96 x 76mm
- Revealed October 2019
- Succeeded the Sony A9
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Lets examine more in depth at the Pentax K-5 IIs versus Sony A9 II, one being a Advanced DSLR and the latter is a Pro Mirrorless by companies Pentax and Sony. There is a crucial difference among the sensor resolutions of the K-5 IIs (16MP) and A9 II (24MP) and the K-5 IIs (APS-C) and A9 II (Full frame) come with totally different sensor size.
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneThe K-5 IIs was announced 7 years before the A9 II and that is a fairly serious gap as far as camera tech is concerned. Both of the cameras come with different body type with the Pentax K-5 IIs being a Mid-size SLR camera and the Sony A9 II being a SLR-style mirrorless camera.
Before diving in to a step-by-step comparison, below is a simple synopsis of how the K-5 IIs scores versus the A9 II when it comes to portability, imaging, features and an overall rating.
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Below is a preview of the gallery photos for Pentax K-5 IIs and Sony Alpha A9 Mark II. The whole galleries are provided at Pentax K-5 IIs Gallery and Sony A9 II Gallery.
Reasons to pick Pentax K-5 IIs over the Sony A9 II
| K-5 IIs | A9 II |
|---|
Reasons to pick Sony A9 II over the Pentax K-5 IIs
| A9 II | K-5 IIs | |||
|---|---|---|---|---|
| Revealed | October 2019 | June 2013 | Fresher by 77 months | |
| Screen type | Tilting | Fixed | Tilting screen | |
| Screen resolution | 1440k | 921k | Crisper screen (+519k dot) | |
| Touch friendly screen | Quickly navigate |
Common features in the Pentax K-5 IIs and Sony A9 II
| K-5 IIs | A9 II | |||
|---|---|---|---|---|
| Manually focus | Very accurate focus | |||
| Screen dimension | 3" | 3" | Identical screen size | |
| Selfie screen | Neither features selfie screen |
Pentax K-5 IIs vs Sony A9 II Physical Comparison
For anyone who is planning to carry your camera frequently, you'll need to consider its weight and volume. The Pentax K-5 IIs enjoys outer measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 760 grams (1.68 lbs) whilst the Sony A9 II has sizing of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") having a weight of 678 grams (1.49 lbs).
Check the Pentax K-5 IIs versus Sony A9 II in the new Camera with Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with at that moment. Underneath is the front view physical size comparison of the K-5 IIs and the A9 II.

Taking into consideration size and weight, the portability score of the K-5 IIs and A9 II is 60 and 62 respectively.
Pentax K-5 IIs vs Sony A9 II Sensor Comparison
Usually, it is hard to visualise the gap in sensor sizing simply by going through specs. The photograph underneath might offer you a better sense of the sensor sizing in the K-5 IIs and A9 II.
All in all, the two cameras posses different megapixel count and different sensor sizing. The K-5 IIs with its smaller sensor will make shooting shallower DOF harder and the Sony A9 II will provide greater detail with its extra 8 Megapixels. Higher resolution will also let you crop photographs somewhat more aggressively. The older K-5 IIs will be behind with regard to sensor technology.
Pentax K-5 IIs vs Sony A9 II Screen and ViewFinder
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Pentax K-5 IIs vs Sony A9 II Specifications
| Pentax K-5 IIs | Sony Alpha A9 Mark II | |
|---|---|---|
| General Information | ||
| Make | Pentax | Sony |
| Model | Pentax K-5 IIs | Sony Alpha A9 Mark II |
| Class | Advanced DSLR | Pro Mirrorless |
| Announced | 2013-06-04 | 2019-10-03 |
| Body design | Mid-size SLR | SLR-style mirrorless |
| Sensor Information | ||
| Processor | Prime II | BIONZ X |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | APS-C | Full frame |
| Sensor measurements | 23.7 x 15.7mm | 35.6 x 23.8mm |
| Sensor surface area | 372.1mm² | 847.3mm² |
| Sensor resolution | 16 megapixels | 24 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Full resolution | 4928 x 3264 | 6000 x 4000 |
| Max native ISO | 12800 | 51200 |
| Max boosted ISO | 51200 | 204800 |
| Minimum native ISO | 100 | 100 |
| RAW support | ||
| Minimum boosted ISO | 80 | 50 |
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| Continuous AF | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| Center weighted AF | ||
| AF multi area | ||
| Live view AF | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Number of focus points | 11 | 693 |
| Cross focus points | 9 | - |
| Lens | ||
| Lens mounting type | Pentax KAF2 | Sony E |
| Available lenses | 151 | 121 |
| Crop factor | 1.5 | 1 |
| Screen | ||
| Screen type | Fixed Type | Tilting |
| Screen sizing | 3 inch | 3 inch |
| Resolution of screen | 921k dot | 1,440k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Screen tech | TFT LCD monitor | - |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 3,686k dot |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.61x | 0.78x |
| Features | ||
| Lowest shutter speed | 30 seconds | 30 seconds |
| Highest shutter speed | 1/8000 seconds | 1/8000 seconds |
| Highest silent shutter speed | - | 1/32000 seconds |
| Continuous shooting speed | 7.0fps | 20.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 13.00 m (at ISO 100) | no built-in flash |
| Flash modes | Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Highest flash sync | 1/180 seconds | - |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps) | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
| Max video resolution | 1920x1080 | 3840x2160 |
| Video file format | Motion JPEG | MPEG-4, AVCHD, H.264 |
| Microphone jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | None | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 3.1 Gen 1 (5 GBit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 760g (1.68 lbs) | 678g (1.49 lbs) |
| Dimensions | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") | 129 x 96 x 76mm (5.1" x 3.8" x 3.0") |
| DXO scores | ||
| DXO All around score | 82 | not tested |
| DXO Color Depth score | 23.9 | not tested |
| DXO Dynamic range score | 14.1 | not tested |
| DXO Low light score | 1208 | not tested |
| Other | ||
| Battery life | 980 photos | 690 photos |
| Type of battery | Battery Pack | Battery Pack |
| Battery model | D-LI90 | NP-FZ100 |
| Self timer | Yes ( 2 or 12 seconds) | Yes (2, 5, 10 secs + continuous, 3 or 5 frames) |
| Time lapse recording | ||
| Type of storage | SD/SDHC/SDXC | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Storage slots | One | 2 |
| Price at launch | $749 | $4,498 |