Pentax 645Z vs. Sony Alpha6600 ILCE-6600

Camera Comparison, Reviews and Tests

Side by side comparison and review of Pentax 645Z and Sony Alpha6600 ILCE-6600. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.

Camera Specifications Comparison

Pentax 645Z vs. Sony Alpha6600 ILCE-6600 Comparison Chart
DESIGN AND DIMENSIONS Pentax 645Z Sony Alpha6600 ILCE-6600
Product Type Digital camera - 1080p - SLR with Live View mode, movie recording Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 11.7 cm 6.69 cm
Width 15.6 cm 12 cm
Depth 12.3 cm 6.93 cm
Weight 1.47 kg 418 g
Weight Details Camera body only: 1.47 kg
Camera with battery and memory card: 1.55 kg
Camera body only: 418 g
Camera with battery and memory card: 503 g
Body Material - Magnesium alloy
Enclosure Colour - Black
Protection Dust-resistant, water-resistant Dust-resistant, moisture-resistant
Digital Zoom - 4x
SENSOR Pentax 645Z Sony Alpha6600 ILCE-6600
Sensor Resolution 51.4 Megapixel 24.2 Megapixel
Optical Sensor Type CMOS Exmor CMOS
Total Pixels 52,990,000 pixels 25,000,000 pixels
Effective Sensor Resolution 51,400,000 pixels 24,200,000 pixels
Optical Sensor Size - APS-C (23.5 x 15.6 mm)
Frame Rate (Max Resolution) 30 fps 30 fps
Sensor Dust Reduction Yes Yes
Sensor Features Dust Reduction (image sensor vibration) Dust Reduction (image sensor vibration), Anti-Dust coating
Image Stabiliser - Optical (5-axis image sensor shift mechanism)
Built-in Optical Image Stabiliser - Yes
Sensors - Digital level metre
PROCESSOR Pentax 645Z Sony Alpha6600 ILCE-6600
Image Processor - BIONZ X
LENS Pentax 645Z Sony Alpha6600 ILCE-6600
Lens Mounting Type Pentax 645AF Sony E-mount
FOCUSING Pentax 645Z Sony Alpha6600 ILCE-6600
Auto Focus TTL contrast and 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 - Eye Detect AF, Face Detection AF/AE, Self Portrait Auto Shutter
VIEWFINDER Pentax 645Z Sony Alpha6600 ILCE-6600
Viewfinder Type Optical - trapezoid prism Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.39"
Viewfinder Resolution - 2,359,296 pixels
Optical Viewfinder Field Coverage 98% 100%
Optical Viewfinder Magnification 0.62x 1.07x
Optical Viewfinder Dioptric Correction Range -3.5 to +2 -4 to +3
Field of View Crop Factor 1.3 1.5
Features - Viewfinder brightness control, colour temperature control
EXPOSURE & WHITE BALANCE Pentax 645Z Sony Alpha6600 ILCE-6600
ISO (Max) 204800 102400
Native ISO 100-204800 100-32000
Extended ISO (Max) - 102400
Extended ISO (Min) - 50
Light Sensitivity ISO auto (100-204800), ISO 100-248000 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, 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 Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film 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 Tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), fluorescent light (daylight colour), 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 Electronic Mechanical electronically-controlled
Max Shutter Speed 1/4000 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 - 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps
White Balance Bracketing - Yes
X-sync Speed 1/125sec 1/160 sec
Exposure Range EV -1-21 (ISO 200) EV -2-20 (ISO 100)
DISPLAY Pentax 645Z 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 Folding Tilting
Display Features Display brightness control, display colour control Display brightness control
VIDEOGRAPHY / CAMCORDER Pentax 645Z Sony Alpha6600 ILCE-6600
Digital Video Format MJPEG, H.264 AVCHD, H.264, XAVC S
Image Recording Format JPEG, RAW, RAW + JPEG 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 - Stereo
MEMORY Pentax 645Z 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 No
Image Storage - 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 - 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 645Z 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 - 650 shots
Playback - 6.67 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 645Z 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 - DPOF support, Exif Print support, PRINT Image Matching
Flash Terminal Hot shoe Hot shoe
Connector Type USB 3.0 (24 pin Micro-USB-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
DC power input
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 645Z Sony Alpha6600 ILCE-6600
Self-Timer Delay 2sec, 12sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 3 frames per second, 4.5 frames per second 8 frames per second, 3 frames per second, 6 frames per second, 11 frames per second
HDR Mode - Auto HDR mode
Additional Features RGB primary colour filter, interval shooting mode, peripheral illumination correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Lateral Chromatic Aberration Correction, distortion correction function, anti-aliasing filter simulator, diffraction correction 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 645Z Sony Alpha6600 ILCE-6600
Included Accessories Carrying strap, battery charger, body cap, eyecup, shoe cap Eyepiece cover, body cap, shoulder strap, AC power adaptor, micro-USB cable, hot shoe cap
Software Drivers & Utilities -
Max Operating Temperature - 40 °C
Min Operating Temperature - 0 °C
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