Pentax K-3 II vs Sony A6600
59 Imaging
65 Features
84 Overall
72


77 Imaging
69 Features
96 Overall
79
Pentax K-3 II vs Sony A6600 Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Released April 2015
- Replaced the Pentax K-3
(Full Review)
- 24MP - APS-C Sensor
- 3" Tilting Display
- ISO 100 - 32000 (Raise to 102400)
- Sensor based 5-axis Image Stabilization
- 3840 x 2160 video
- Sony E Mount
- 503g - 120 x 67 x 69mm
- Introduced August 2019
- Later Model is Sony A6700

Pentax K-3 II vs Sony A6600 Overview
Let's take a deeper look at the Pentax K-3 II vs Sony A6600, former is a Advanced DSLR while the other is a Advanced Mirrorless by companies Pentax and Sony. The image resolution of the K-3 II (24MP) and the A6600 (24MP) is fairly close and they feature the exact same sensor size (APS-C).

The K-3 II was manufactured 5 years earlier than the A6600 which is a fairly sizable difference as far as camera technology is concerned. Each of these cameras come with different body type with the Pentax K-3 II being a Mid-size SLR camera and the Sony A6600 being a Rangefinder-style mirrorless camera.
Before getting straight into a complete comparison, below is a concise highlight of how the K-3 II grades versus the A6600 in the way of portability, imaging, features and an overall score.

Pentax K-3 II vs Sony A6600 Gallery
Below is a sample of the gallery pictures for Pentax K-3 II & Sony Alpha a6600. The entire galleries are provided at Pentax K-3 II Gallery & Sony A6600 Gallery.
Reasons to pick Pentax K-3 II over the Sony A6600
K-3 II | A6600 | |||
---|---|---|---|---|
Display dimension | 3.2" | ![]() | 3" | Larger display (+0.2") |
Display resolution | 1037k | ![]() | 922k | Sharper display (+115k dot) |
Reasons to pick Sony A6600 over the Pentax K-3 II
A6600 | K-3 II | |||
---|---|---|---|---|
Introduced | August 2019 | ![]() | April 2015 | More modern by 52 months |
Display type | Tilting | ![]() | Fixed | Tilting display |
Selfie screen | ![]() | Easy selfies | ||
Touch friendly display | ![]() | Easily navigate |
Common features in the Pentax K-3 II and Sony A6600
K-3 II | A6600 | |||
---|---|---|---|---|
Manually focus | ![]() | More accurate focusing |
Pentax K-3 II vs Sony A6600 Physical Comparison
When you are going to carry around your camera often, you need to consider its weight and volume. The Pentax K-3 II enjoys exterior measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) and the Sony A6600 has sizing of 120mm x 67mm x 69mm (4.7" x 2.6" x 2.7") having a weight of 503 grams (1.11 lbs).
Analyze the Pentax K-3 II vs Sony A6600 in our brand new Camera & Lens Size Comparison Tool.
Do not forget, the weight of an ILC will vary based on the lens you are employing at that moment. Following is the front view dimension comparison of the K-3 II and the A6600.

Taking into consideration dimensions and weight, the portability grade of the K-3 II and A6600 is 59 and 77 respectively.

Pentax K-3 II vs Sony A6600 Sensor Comparison
Normally, its tough to imagine the contrast in sensor sizes only by viewing a spec sheet. The image underneath might offer you a clearer sense of the sensor measurements in the K-3 II and A6600.
Clearly, both of those cameras posses the exact same sensor measurements and the same resolution therefore you can expect comparable quality of images however you will need to consider the launch date of the cameras into account. The more aged K-3 II will be disadvantaged with regard to sensor innovation.

Pentax K-3 II vs Sony A6600 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-3 II vs Sony A6600 Specifications
Pentax K-3 II | Sony Alpha a6600 | |
---|---|---|
General Information | ||
Brand | Pentax | Sony |
Model type | Pentax K-3 II | Sony Alpha a6600 |
Class | Advanced DSLR | Advanced Mirrorless |
Released | 2015-04-23 | 2019-08-28 |
Physical type | Mid-size SLR | Rangefinder-style mirrorless |
Sensor Information | ||
Powered by | Prime III | Bionz X |
Sensor type | CMOS | CMOS |
Sensor size | APS-C | APS-C |
Sensor dimensions | 23.5 x 15.6mm | 23.5 x 15.6mm |
Sensor surface area | 366.6mm² | 366.6mm² |
Sensor resolution | 24MP | 24MP |
Anti alias filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Full resolution | 6016 x 4000 | 6000 x 4000 |
Max native ISO | 51200 | 32000 |
Max boosted ISO | - | 102400 |
Minimum native ISO | 100 | 100 |
RAW photos | ||
Autofocusing | ||
Manual focusing | ||
Touch to focus | ||
Continuous autofocus | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Total focus points | 27 | 425 |
Cross type focus points | 25 | - |
Lens | ||
Lens support | Pentax KAF2 | Sony E |
Number of lenses | 151 | 121 |
Focal length multiplier | 1.5 | 1.5 |
Screen | ||
Screen type | Fixed Type | Tilting |
Screen diagonal | 3.2 inches | 3 inches |
Screen resolution | 1,037 thousand dots | 922 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,359 thousand dots |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.64x | 0.71x |
Features | ||
Lowest shutter speed | 30s | 30s |
Highest shutter speed | 1/8000s | 1/4000s |
Continuous shooting rate | 8.3fps | 11.0fps |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | no built-in flash | no built-in flash |
Flash options | 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) | Flash off, Autoflash, Fill-flash, Rear Sync., Slow Sync., Red-eye reduction (On/Off selectable), Hi-speed sync, Wireless |
External flash | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Highest flash synchronize | 1/180s | - |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
Max video resolution | 1920x1080 | 3840x2160 |
Video file format | MPEG-4, H.264 | MPEG-4, AVCHD, XAVC S |
Mic support | ||
Headphone support | ||
Connectivity | ||
Wireless | Optional | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.0 (5 GBit/sec) | Yes |
GPS | BuiltIn | None |
Physical | ||
Environmental sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 800 gr (1.76 lbs) | 503 gr (1.11 lbs) |
Dimensions | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") | 120 x 67 x 69mm (4.7" x 2.6" x 2.7") |
DXO scores | ||
DXO All around rating | 80 | 82 |
DXO Color Depth rating | 23.6 | 23.8 |
DXO Dynamic range rating | 13.6 | 13.4 |
DXO Low light rating | 1106 | 1497 |
Other | ||
Battery life | 720 photos | 810 photos |
Battery style | Battery Pack | Battery Pack |
Battery ID | D-LI90 | NP-FZ1000 |
Self timer | Yes ( 2 or 12 seconds) | Yes |
Time lapse feature | ||
Storage type | Dual SD/SDHC/SDXC | SD/SDHC/SDXC + Memory Stick Pro Duo |
Card slots | 2 | One |
Launch pricing | $829 | $1,198 |