Sony A6000 vs Pentax K-3 II: A Detailed Comparison

Sony A6000 vs Pentax K-3 II: Here we compare the Sony Alpha A6000 and the Pentax K-3 II. The A6000 is a semi-pro mirrorless camera with a 24.0MP APS-C sensor. The Pentax K-13 II is a semi-pro DSLR also with a 24.0MP APS-C sensor. Here are the main specifications before we go into detail.

Sony A6000 vs Pentax K-3 II Specs

Sony A6000 vs Pentax K-3 II Comparison

Sony A6000 vs Pentax K-3 II Comparison


Sony A6000

Pentax K-3 II

Sensor FormatAPS-CAPS-C
Crop Factor1.5x1.5x
AA FilterYesOn/Off
Image Resolution6000 x 40006016 x 4000
Body Image StabilizationNoYes
Lens MountSony EPentax K
ISO100 -25,600100 - 51,200
Expanded ISO51,200None
AF Points17927
Cross-type AF Points179 phase25
Continuous Mode11fps8fps
LCD3.0" - Articulating3.2" - Fixed
LCD Resolution921,600 dots1,036,800 dots
Focus PeakingYesYes
Top LCD DisplayNoYes
Viewfinder TypeEVF (1.44M)Optical
Viewfinder Coverage100%100%
Viewfinder Magnification1.07x0.95x
Video Resolution1920x1080 (60/24p)1920x1080 (60i/50i/30/25/24p)
1280x720 (60/50p)
Microphone JackNoYes
Headphone JackNoYes
Memory Card TypeSD or MS ProSD + SD
Dual Card SlotsNoYes
Fastest Shutter Speed1/40001/8000
Slowest Shutter Speed30"30"
Bulb ModeYesYes
JPEG Buffer Size4760
RAW Buffer Size2222
Time LapseYesYes
Built-in FlashYesNo
Max Flash Sync Speed1/1601/180
Startup Time2.2s1.2s
Built-in Wi-FiYesNo
Built-in GPSNoYes
Built-in NFCYesNo
USB TypeUSB 2.0USB 3.0
Environmentally SealedYesYes
Battery Life (CIPA)360 shots720 shots
Battery IncludedYes (NP-FW50)Yes (D-LI90)
Weight12.1 oz (344g)27.07 oz (785g)
Size4.7 x 2.6 x 1.8"5.2 x 4.0 x 3.1"
Release Date20142015

Pentax K-3 II vs Sony A6000 Common Features

External Flash ShoeYes vs Yes
ViewfinderYes (Electronic) vs Yes (Optical)
RAW SupportYes vs Yes
Face Detection FocusYes vs Yes
Max Resolution24 MP vs 24 MP
LCD Screen Size3″ vs 3.2″
LCD Screen Resolution922k dots vs 1.037k dots
Continuous Shooting11.0fps vs 8.3fps
AE BracketingYes vs Yes

Sony A6000 vs Pentax K-3 II Size Comparison

The Sony A6000 is the smaller of the two digital cameras. Its body is 11mm narrower, 33mm shorter and 32mm thinner than the Pentax K-3 II. Furthermore, the Sony A6000 is significantly lighter than the Pentax K-3 II. It weighs 456g less.

Sony A6000 vs Pentax K-3 II Comparison

Sony A6000 vs Pentax K-3 II Comparison

Also, an additional factor to weight is the lenses that you plan to use with your digital cameras. However, both cameras have the same size sensor. Hence, lenses at a similar aperture and focal lend tend to be the same weight.

Sony A6000 vs Pentax K-3 II Sensor Comparison

Both these digital cameras feature an APS-C sized 24.0 MP resolution sensor. Hence, sensor size and resolution are not different between these two cameras.

The K-3 II also lacks an anti-alias (Low-Pass) filter. The Pentax sensor provides sharper details, however, at the same time, it increases the chance of moire.

They both have the same sensor area so they provide the same level of control over the depth of field when used with same focal length and aperture.

Why You Should Choose The Sony A6000

Wireless ConnectionBuilt-InvsOptional
Articulating ScreenYesvsNo
Built-in FlashYesvsNo
Number of Focus Points179vs27
Continuous Shooting11.0fps vs 8.3fps
Weight344 g vs 800 g
Color Depth24.1 vs 23.6
Low-Light ISO1347 vs 1106
Price$498 vs $846
NFC ConnectionYes vs No

Advantages of the Sony A6000 Over Pentax K-3 II

  • AF Points – 179 vs 27.
  • Continuous mode – 11fps vs 8fps. More is better for sports and wildlife since you have more chances of getting a tack sharp shot.
  • LCD – It’s articulated.
  • Viewfinder Magnification – Higher magnification.
  • Flash Built-in
  • Wi-Fi Built-in
  • NFC Built-in
  • Weight – The Sony A6000 weighs 441g less.
  • Size – The Sony A6000 is noticeably smaller.

Video: Sony A6000 Hands-on Review

Why You Should Choose The Pentax K-3 II

Built-in Image StabilizationSensor-shift vs None
GPSBuilt-in vs None
Max ISO51.200 vs 25.600
LCD Screen Size3.2″ vs 3″
LCD Screen Resolution1.037k dots vs 922k dots
 Max Shutter Speed1/8000s vs 1/4000s
Battery Life720 shots vs 360 shots
Microphone PortYes vs No
Headphone PortYes vs No
Environmental SealingYes vs No
Timelapse RecordingYes vs With optional app
Dynamic Range13.6 vs 13.1
Top LCDYes vs No
Flash Sync PortYes vs No
Pixel Shift High-Resolution ModeYes vs No
Anti-Alias Filter SimulatorYes vs No
Astrotracer ModeYes vs No
 Storage Slotvs 

Advantages of the Pentax K-3 II Over the Sony A6000

  • AA Filter – You can turn it on and off.
  • Body Image Stabilization – The Pentax K-3 II has built-in body stabilization for photos and videos, which is an excellent feature for traveling and shooting in low light.
  • LCD – 3.2″ vs 3.0″.
  • Resolution of LCD– Higher resolution.
  • Top LCD Display – When shooting in semi-auto/manual modes, you can quickly preview all of your settings.
  • Microphone Jack – If you’re going to record videos where audio quality is important, a microphone jack is super helpful.
  • Headphone Jack – Useful for previewing your audio quality straight out the camera.
  • Dual Card Slots – More room for extra photos, or simply for backup.
  • Faster Max Shutter Speed – 1/8000 vs 1/4000.
  • JPEG Buffer Size – 60 vs 47.
  • Max Flash Sync Speed – 1/180 vs 1/160.
  • Built-in GPS
  • USB 3.0 – Faster file transferring out the camera.
  • Battery Life – 720 shots vs 360 shots.

Video: Pentax K-3 II Hands-on Review