Pentax K-3 vs. Sony Alpha6600 ILCE-6600

Camera Comparison, Reviews and Tests

Detailed comparison and review of Pentax K-3 and Sony Alpha6600 ILCE-6600. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.

Camera Specifications Comparison

Pentax K-3 vs. Sony Alpha6600 ILCE-6600 Comparison Chart
DESIGN AND DIMENSIONS Pentax K-3 Sony Alpha6600 ILCE-6600
Product Type Digital camera - SLR with movie recording Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 10 cm 6.69 cm
Width 13.15 cm 12 cm
Depth 7.75 cm 6.93 cm
Weight 715 g 418 g
Weight Details - Camera body only: 418 g
Camera with battery and memory card: 503 g
Body Material Magnesium alloy Magnesium alloy
Enclosure Colour Black Black
Protection Weatherproof, freezeproof, dust-resistant Dust-resistant, moisture-resistant
Digital Zoom - 4x
SENSOR Pentax K-3 Sony Alpha6600 ILCE-6600
Sensor Resolution 23.35 Megapixel 24.2 Megapixel
Optical Sensor Type CMOS Exmor CMOS
Total Pixels 24,710,000 pixels 25,000,000 pixels
Effective Sensor Resolution 23,350,000 pixels 24,200,000 pixels
Optical Sensor Size APS-C (23.5 x 15.6 mm) APS-C (23.5 x 15.6 mm)
Frame Rate (Max Resolution) - 30 fps
Sensor Dust Reduction - Yes
Sensor Features Dust Reduction (image sensor vibration), anti-aliasing simulator function Dust Reduction (image sensor vibration), Anti-Dust coating
Image Stabiliser Optical (image sensor shift mechanism) Optical (5-axis image sensor shift mechanism)
Built-in Optical Image Stabiliser Yes Yes
Sensors Dust alert sensor, digital level metre Digital level metre
PROCESSOR Pentax K-3 Sony Alpha6600 ILCE-6600
Image Processor PRIME III BIONZ X
LENS Pentax K-3 Sony Alpha6600 ILCE-6600
Lens Mounting Type Pentax K Sony E-mount
FOCUSING Pentax K-3 Sony Alpha6600 ILCE-6600
Auto Focus TTL phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 27 425
Auto Focus Features - Focus Peaking function, Predictive Focus Control
Face Detection Yes Eye Detect AF, Face Detection AF/AE, Self Portrait Auto Shutter
VIEWFINDER Pentax K-3 Sony Alpha6600 ILCE-6600
Viewfinder Type Optical - fixed eye-level pentaprism Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.39"
Viewfinder Resolution - 2,359,296 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.95x 1.07x
Optical Viewfinder Dioptric Correction Range -2.5 to +1.5 -4 to +3
Field of View Crop Factor - 1.5
Interchangeable Focusing Screens Yes -
Features - Viewfinder brightness control, colour temperature control
EXPOSURE & WHITE BALANCE Pentax K-3 Sony Alpha6600 ILCE-6600
ISO (Max) 51200 102400
Native ISO 100-51200 100-32000
Extended ISO (Max) - 102400
Extended ISO (Min) - 50
Light Sensitivity ISO 100-51200, ISO auto (100-51200) ISO 50, ISO 102400, ISO 51200, ISO 100-32000
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot, average, highlight-weighted
Exposure Metering Zones - 1200
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority Programme, bulb, automatic, manual, aperture-priority, shutter-priority
Bracketing Modes - Dynamic Range Bracketing, Flash Exposure Bracketing, white balance bracketing
Shooting Programs - Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur
Special Effects Soft, Slim, Pastel, fisheye, natural, bright, Vibrant, Sketch, monochrome, Muted, landscape, portrait, Water Colour, miniature, Cross Process, Retro, Colour Extract, Toy camera, starburst, High contrast, Colour Invert, Bleach Bypass, Posterisation, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Rich-tone monochrome, Soft High-key, Night Scene, Standard, Style Box, Posterisation (B/W)
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white)
Shutter Type Mechanical electronically-controlled Mechanical electronically-controlled
Max Shutter Speed 1/8000 sec 1/4000 sec
Min Shutter Speed 30 sec 30 sec
Exposure Compensation ±5 EV range, in 1/2 or 1/3 EV steps ±5 EV range, in 1/2 or 1/3 EV steps
Auto Exposure Bracketing 2, 3 or 5 steps 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps
White Balance Bracketing - Yes
X-sync Speed 1/180 sec 1/160 sec
Exposure Range EV -3-20 (ISO 100) EV -2-20 (ISO 100)
DISPLAY Pentax K-3 Sony Alpha6600 ILCE-6600
Type 3.2" LCD display 2.95" LCD display
Touch Screen - Yes
Display Format 1,037,000 pixels 921,600 pixels
Display Form Factor Built-in Tilting
Display Features Colour control Display brightness control
FLASH Pentax K-3 Sony Alpha6600 ILCE-6600
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 13 -
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction -
Red-Eye Reduction Yes -
Features AF illuminator, flash +/- compensation, wireless off-camera control -
VIDEOGRAPHY / CAMCORDER Pentax K-3 Sony Alpha6600 ILCE-6600
Digital Video Format AVI, MJPEG, H.264 AVCHD, H.264, XAVC S
Image Recording Format JPEG, DNG (RAW) + JPEG, DNG (RAW) JPEG, RAW, RAW + JPEG
Max Video Resolution 1920 x 1080 3840 x 2160
Audio Signal Format - Dolby Digital AC-3 (2 channel), Linear PCM
Microphone Operation Mode Mono Stereo
Microphone Features Sensitivity control -
MEMORY Pentax K-3 Sony Alpha6600 ILCE-6600
Memory Card Slot Dual SD card Memory Stick PRO Duo card, SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card
Memory Card Included - No
Image Storage RAW 6016 x 4000
JPEG 6016 x 4000
JPEG 4608 x 3072
JPEG 3072 x 2048
JPEG 1920 x 1280
6000 x 4000
4240 x 2832
3008 x 2000
6000 x 3376
4240 x 2400
3008 x 1688
4000 x 4000
2832 x 2832
2000 x 2000
Video Capture H.264 - 1920 x 1080 - 30 fps
H.264 - 1920 x 1080 - 25 fps
H.264 - 1920 x 1080 - 24 fps
H.264 - 1280 x 720 - 60 fps
H.264 - 1280 x 720 - 50 fps
H.264 - 1280 x 720 - 30 fps
H.264 - 1280 x 720 - 25 fps
H.264 - 1280 x 720 - 24 fps
H.264 - 1920 x 1080 - 60 fps
H.264 - 1920 x 1080 - 50 fps
XAVC S - 3840 x 2160 p - 30 fps - 100Mbps
XAVC S - 3840 x 2160 p - 24 fps - 100Mbps
XAVC S - 3840 x 2160 p - 30 fps - 60Mbps
XAVC S - 3840 x 2160 p - 24 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 120 fps - 100Mbps
XAVC S HD - 1920 x 1080 p - 120 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 60 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 30 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 60 fps - 25Mbps
XAVC S HD - 1920 x 1080 p - 30 fps - 16Mbps
AVCHD - 1920 x 1080 i - 60 fps - 24Mbps
AVCHD - 1920 x 1080 i - 60 fps - 17Mbps
XAVC S - 3840 x 2160 p - 25 fps - 100Mbps
XAVC S - 3840 x 2160 p - 25 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 100 fps - 100Mbps
XAVC S HD - 1920 x 1080 p - 100 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 50 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 25 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 50 fps - 25Mbps
XAVC S HD - 1920 x 1080 p - 25 fps - 16Mbps
AVCHD - 1920 x 1080 i - 50 fps - 24Mbps
AVCHD - 1920 x 1080 i - 50 fps - 17Mbps
BATTERY AND CHARGING Pentax K-3 Sony Alpha6600 ILCE-6600
Battery Type Pentax D-Li90 Lithium Ion Sony NP-FZ100 Lithium Ion
Details Pentax D-Li90 Li-ion rechargeable battery (included) Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included)
Battery Life Photo shooting - 560 shots (50% flash usage)
Photo shooting - 720 shots (flash off)
Playback - 6.2 hours
Photo shooting - 720 shots (EVF on)
Photo shooting - 810 shots (LCD Monitor on)
Video recording - 2.33 shots (EVF on)
Video recording - 2.5 shots (LCD Monitor on)
CONNECTIONS Pentax K-3 Sony Alpha6600 ILCE-6600
Interface HDMI, USB 3.0 HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1
Connectivity Features - Remote control via mobile devices, remote live view
Print Standard Exif Print support DPOF support, Exif Print support, PRINT Image Matching
Flash Terminal Hot shoe Hot shoe
Connector Type USB 2.0
HDMI output
Microphone
Headphones
Remote control
USB 2.0 (5 pin Micro-USB Type B)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
Remote control
Headphones
FEATURES Pentax K-3 Sony Alpha6600 ILCE-6600
Self-Timer Delay 2sec, 12sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 8.3 frames per second 8 frames per second, 3 frames per second, 6 frames per second, 11 frames per second
HDR Mode Auto HDR mode Auto HDR mode
Additional Features Audio recording, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, GPS ready, interval shooting mode, mirror lock, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Dynamic Range Compensation, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, Flucard Ready Built-in speaker, sharpness control, histogram display, saturation control, shadow point display, interval shooting mode, highlight point display, contrast control, Dynamic Range Optimizer, built-in help guide, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), Touch Shutter technology, fast motion recording, Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, silent shooting, High Dynamic Range (HDR), S-Log2 gamma setting, slow motion recording, peripheral shading correction, Object Tracking, S-Log3 gamma setting
OTHERS Pentax K-3 Sony Alpha6600 ILCE-6600
Included Accessories Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap, battery grip terminal cover, sync terminal cover Eyepiece cover, body cap, shoulder strap, AC power adaptor, micro-USB cable, hot shoe cap
Software Drivers & Utilities -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C 0 °C
Other projects: