Pentax K-70 vs Sony A9 II
62 Imaging
65 Features
81 Overall
71
62 Imaging
74 Features
93 Overall
81
Pentax K-70 vs Sony A9 II Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 100 - 102400
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 688g - 126 x 93 x 74mm
- Revealed June 2016
- Updated by Pentax KF
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Push 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
- Announced October 2019
- Replaced the Sony A9
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Lets look a bit more closely at the Pentax K-70 vs Sony A9 II, one is a Entry-Level DSLR and the latter is a Pro Mirrorless by competitors Pentax and Sony. The sensor resolution of the K-70 (24MP) and the A9 II (24MP) is relatively similar but the K-70 (APS-C) and A9 II (Full frame) come with totally different sensor size.
Samsung Releases Faster Versions of EVO MicroSD CardsThe K-70 was announced 4 years before the A9 II which is quite a significant gap as far as technology is concerned. Both cameras offer different body type with the Pentax K-70 being a Compact SLR camera and the Sony A9 II being a SLR-style mirrorless camera.
Before diving through a full comparison, below is a simple summary of how the K-70 grades vs the A9 II when considering portability, imaging, features and an overall score.
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Following is a preview of the gallery photos for Pentax K-70 and Sony Alpha A9 Mark II. The whole galleries are viewable at Pentax K-70 Gallery and Sony A9 II Gallery.
Reasons to pick Pentax K-70 over the Sony A9 II
| K-70 | A9 II | |||
|---|---|---|---|---|
| Screen type | Fully Articulated | Tilting | Fully Articulating screen | |
| Selfie screen | Easy selfies |
Reasons to pick Sony A9 II over the Pentax K-70
| A9 II | K-70 | |||
|---|---|---|---|---|
| Announced | October 2019 | June 2016 | More modern by 40 months | |
| Screen resolution | 1440k | 921k | Sharper screen (+519k dot) | |
| Touch screen | Quickly navigate |
Common features in the Pentax K-70 and Sony A9 II
| K-70 | A9 II | |||
|---|---|---|---|---|
| Manual focus | More accurate focus | |||
| Screen sizing | 3" | 3" | Equivalent screen size |
Pentax K-70 vs Sony A9 II Physical Comparison
For anyone who is intending to carry around your camera frequently, you will need to factor in its weight and volume. The Pentax K-70 enjoys external measurements of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") accompanied by a weight of 688 grams (1.52 lbs) and the Sony A9 II has sizing of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") and a weight of 678 grams (1.49 lbs).
Look at the Pentax K-70 vs Sony A9 II in the new Camera with Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at that moment. Below is the front view physical size comparison of the K-70 compared to the A9 II.

Taking into account dimensions and weight, the portability grade of the K-70 and A9 II is 62 and 62 respectively.
Pentax K-70 vs Sony A9 II Sensor Comparison
Normally, its tough to see the contrast between sensor sizes simply by going over technical specs. The pic underneath may offer you a clearer sense of the sensor sizing in the K-70 and A9 II.
As you have seen, the 2 cameras enjoy the same exact megapixels albeit not the same sensor sizes. The K-70 has got the tinier sensor which will make obtaining shallow DOF more challenging. The more aged K-70 is going to be disadvantaged when it comes to sensor technology.
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Pentax K-70 vs Sony A9 II Specifications
| Pentax K-70 | Sony Alpha A9 Mark II | |
|---|---|---|
| General Information | ||
| Make | Pentax | Sony |
| Model type | Pentax K-70 | Sony Alpha A9 Mark II |
| Category | Entry-Level DSLR | Pro Mirrorless |
| Revealed | 2016-06-08 | 2019-10-03 |
| Physical type | Compact SLR | SLR-style mirrorless |
| Sensor Information | ||
| Powered by | PRIME MII | BIONZ X |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | APS-C | Full frame |
| Sensor dimensions | 23.5 x 15.6mm | 35.6 x 23.8mm |
| Sensor surface area | 366.6mm² | 847.3mm² |
| Sensor resolution | 24 megapixels | 24 megapixels |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Peak resolution | 6000 x 4000 | 6000 x 4000 |
| Highest native ISO | 102400 | 51200 |
| Highest enhanced ISO | - | 204800 |
| Minimum native ISO | 100 | 100 |
| RAW photos | ||
| Minimum enhanced ISO | - | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Total focus points | 11 | 693 |
| Cross type focus points | 9 | - |
| Lens | ||
| Lens mount type | Pentax KAF2 | Sony E |
| Number of lenses | 151 | 121 |
| Focal length multiplier | 1.5 | 1 |
| Screen | ||
| Display type | Fully Articulated | Tilting |
| Display diagonal | 3 inch | 3 inch |
| Display resolution | 921k dots | 1,440k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 3,686k dots |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.63x | 0.78x |
| Features | ||
| Min shutter speed | 30 secs | 30 secs |
| Max shutter speed | 1/6000 secs | 1/8000 secs |
| Max quiet shutter speed | - | 1/32000 secs |
| Continuous shutter rate | 6.0 frames per sec | 20.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | 12.00 m (at ISO 100) | no built-in flash |
| Flash options | Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| External flash | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| 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 |
| Highest 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 | Optional | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 688 gr (1.52 pounds) | 678 gr (1.49 pounds) |
| Dimensions | 126 x 93 x 74mm (5.0" x 3.7" x 2.9") | 129 x 96 x 76mm (5.1" x 3.8" x 3.0") |
| 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 | 410 images | 690 images |
| Type of battery | Battery Pack | Battery Pack |
| Battery ID | - | NP-FZ100 |
| Self timer | Yes (2 or 12 secs, continuous) | Yes (2, 5, 10 secs + continuous, 3 or 5 frames) |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC (UHS-I compatible) | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Card slots | 1 | 2 |
| Retail pricing | $649 | $4,498 |