Pentax K-3 II vs Pentax K-5 IIs
59 Imaging
65 Features
84 Overall
72
60 Imaging
57 Features
83 Overall
67
Pentax K-3 II vs Pentax K-5 IIs 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 Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Released April 2015
- Replaced the Pentax K-3
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 12800 (Expand to 51200)
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 760g - 131 x 97 x 73mm
- Released June 2013
- Older Model is Pentax K-5
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On this page, we are reviewing the Pentax K-3 II versus Pentax K-5 IIs, both Advanced DSLR digital cameras and they are both created by Pentax. There exists a large gap between the resolutions of the K-3 II (24MP) and K-5 IIs (16MP) but both cameras boast the same sensor sizing (APS-C).
President Biden pushes bill mandating TikTok sale or banThe K-3 II was announced 23 months later than the K-5 IIs making them a generation apart from one another. Both of the cameras have the same body design (Mid-size SLR).
Before we go into a detailed comparison, here is a simple view of how the K-3 II grades vs the K-5 IIs in terms of portability, imaging, features and an overall rating.
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The following is a sample of the gallery pictures for Pentax K-3 II & Pentax K-5 IIs. The whole galleries are provided at Pentax K-3 II Gallery & Pentax K-5 IIs Gallery.
Reasons to pick Pentax K-3 II over the Pentax K-5 IIs
| K-3 II | K-5 IIs | |||
|---|---|---|---|---|
| Released | April 2015 | June 2013 | Fresher by 23 months | |
| Display dimensions | 3.2" | 3" | Larger display (+0.2") | |
| Display resolution | 1037k | 921k | Clearer display (+116k dot) |
Reasons to pick Pentax K-5 IIs over the Pentax K-3 II
| K-5 IIs | K-3 II |
|---|
Common features in the Pentax K-3 II and Pentax K-5 IIs
| K-3 II | K-5 IIs | |||
|---|---|---|---|---|
| Manual focus | Very exact focus | |||
| Display type | Fixed | Fixed | Fixed display | |
| Selfie screen | Missing selfie screen | |||
| Touch friendly display | Missing Touch friendly display |
Pentax K-3 II vs Pentax K-5 IIs Physical Comparison
When you are aiming to carry your camera often, you will want to factor its weight and size. The Pentax K-3 II has got exterior dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs) whilst the Pentax K-5 IIs has specifications of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 760 grams (1.68 lbs).
Check the Pentax K-3 II versus Pentax K-5 IIs in our brand new Camera & Lens Size Comparison Tool.
Take into account, the weight of an ILC will change based on the lens you are using during that time. The following is a front view measurements comparison of the K-3 II compared to the K-5 IIs.

Considering dimensions and weight, the portability grade of the K-3 II and K-5 IIs is 59 and 60 respectively.
Pentax K-3 II vs Pentax K-5 IIs Sensor Comparison
Quite often, it's difficult to envision the gap between sensor sizing merely by reading a spec sheet. The graphic below will provide you a better sense of the sensor sizes in the K-3 II and K-5 IIs.
Clearly, the two cameras provide the same sensor dimensions but not the same resolution. You can anticipate the Pentax K-3 II to offer greater detail with its extra 8 Megapixels. Greater resolution will also allow you to crop pics more aggressively. The younger K-3 II will have a benefit when it comes to sensor technology.
Pentax K-3 II vs Pentax K-5 IIs Screen and ViewFinder
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Pentax K-3 II vs Pentax K-5 IIs Specifications
| Pentax K-3 II | Pentax K-5 IIs | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Pentax |
| Model type | Pentax K-3 II | Pentax K-5 IIs |
| Type | Advanced DSLR | Advanced DSLR |
| Released | 2015-04-23 | 2013-06-04 |
| Body design | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Chip | Prime III | Prime II |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.5 x 15.6mm | 23.7 x 15.7mm |
| Sensor surface area | 366.6mm² | 372.1mm² |
| Sensor resolution | 24 megapixel | 16 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Peak resolution | 6016 x 4000 | 4928 x 3264 |
| Highest native ISO | 51200 | 12800 |
| Highest enhanced ISO | - | 51200 |
| Lowest native ISO | 100 | 100 |
| RAW format | ||
| Lowest enhanced ISO | - | 80 |
| Autofocusing | ||
| Manual focusing | ||
| Touch to focus | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | 27 | 11 |
| Cross type focus points | 25 | 9 |
| Lens | ||
| Lens mount type | Pentax KAF2 | Pentax KAF2 |
| Amount of lenses | 151 | 151 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Range of display | Fixed Type | Fixed Type |
| Display diagonal | 3.2 inches | 3 inches |
| Resolution of display | 1,037k dot | 921k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Display tech | - | TFT LCD monitor |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.64x | 0.61x |
| Features | ||
| Min shutter speed | 30s | 30s |
| Max shutter speed | 1/8000s | 1/8000s |
| Continuous shutter speed | 8.3fps | 7.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | no built-in flash | 13.00 m (at ISO 100) |
| 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 (available with dedicated external flash) | Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless |
| External flash | ||
| AEB | ||
| WB bracketing | ||
| Max flash sync | 1/180s | 1/180s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) | 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps) |
| Highest video resolution | 1920x1080 | 1920x1080 |
| Video file format | MPEG-4, H.264 | Motion JPEG |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Optional | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | BuiltIn | Optional |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 800 gr (1.76 pounds) | 760 gr (1.68 pounds) |
| Physical dimensions | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") |
| DXO scores | ||
| DXO Overall rating | 80 | 82 |
| DXO Color Depth rating | 23.6 | 23.9 |
| DXO Dynamic range rating | 13.6 | 14.1 |
| DXO Low light rating | 1106 | 1208 |
| Other | ||
| Battery life | 720 pictures | 980 pictures |
| Battery format | Battery Pack | Battery Pack |
| Battery ID | D-LI90 | D-LI90 |
| Self timer | Yes ( 2 or 12 seconds) | Yes ( 2 or 12 seconds) |
| Time lapse shooting | ||
| Storage media | Dual SD/SDHC/SDXC | SD/SDHC/SDXC |
| Storage slots | 2 | Single |
| Cost at release | $829 | $749 |