Pentax K-3 II vs Sony A99 II Specifications

APS-C 366.6mm²
24.4 megapixels
ISO 100 - 51,200

Go in depth with our full Pentax K-3 II Review.
How does it shoot? Pentax K-3 II in the real world.
See real-world photos taken with the K-3 II.
Compare Pentax K-3 II image quality against competitors.
What’s the bottom line? Read our Pentax K-3 II conclusion.

35mm 861.6mm²
42.4 megapixels
ISO 100 - 25,600

Go in depth with our full Sony A99 II Review.
How does it shoot? Sony A99 II in the real world.
See real-world photos taken with the A99 II.
Compare Sony A99 II image quality against competitors.
What’s the bottom line? Read our Sony A99 II conclusion.

Detailed specifications
Pentax K-3 II
Sony Alpha ILCA-A99 II

Links
Prices:	Compare Prices	Compare Prices
Manufacturer URL:	Manufacturer website	Manufacturer website
Predecessor:	Pentax K-3 K-3 vs K-3 II	Sony A99 A99 vs A99 II
Successor:	Pentax K-3 III K-3 II vs K-3 III
General
Model Number:	K-3 II	A99 II
Alternate Model Number(s):		ILCA-99M2
Camera Format:	Pro SLR	Pro SLR
Currently Manufactured:	Yes	Yes
Retail Price:	$850.00	$3199.00
Street Price:	$829.99	$3,198.00
Date Available:	2015-05-15	2016-11-30
Tripod Mount:	Yes	Yes
Weight:	27.7 oz (785 g) includes batteries	29.9 oz (849 g)
Size:	5.2 x 4.0 x 3.1 in. (132 x 102 x 77 mm)	5.6 x 4.1 x 3.0 in. (143 x 104 x 76 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	CMOS	CMOS
Sensor Manufacturer:		Sony
Effective Megapixels:	24.4	42.4
Sensor Format:	APS-C	35mm
Sensor size:	366.6mm² (23.50mm x 15.60mm)	861.6mm² (35.90mm x 24.00mm)
Approximate Pixel Pitch:	3.91 microns	4.51 microns
Focal Length Multiplier:	1.5x	1.0x
Aspect Ratio:	3:2	3:2
Color Filter Type:	RGBG	RGBG
Anti Aliasing Filter:	Optional	None
Self-Cleaning:	Yes	Yes
Sensor shift image stabilization:	Yes	Yes
On-Sensor Phase Detect:	No	Yes
DxO Sensor Score:	80	92
DxO Color Depth Score (bits):	23.6	25.4
DxO Dynamic Range Score (evs):	13.6	13.4
DxO Maximum Effective ISO Score (iso):	1,106	2,317
Image Capture
Image Resolution:	6016 x 4000 (24.1 MP, 3:2), 4608 x 3072 (14.2 MP, 3:2), 3072 x 2048 (6.3 MP, 3:2), 1920 x 1280 (2.5 MP, 3:2)	7952 x 5304 (42.2 MP, 3:2), 5168 x 3448 (17.8 MP, 3:2), 3984 x 2656 (10.6 MP, 3:2), 7952 x 4472 (35.6 MP, 16:9), 5168 x 2912 (15.0 MP, Other), 3984 x 2240 (8.9 MP, 16:9), 5168 x 3448 (17.8 MP, 3:2), 3984 x 2656 (10.6 MP, 3:2), 2592 x 1728 (4.5 MP, 3:2), 5168 x 2912 (15.0 MP, Other), 3984 x 2240 (8.9 MP, 16:9), 2592 x 1456 (3.8 MP, 16:9), 12416 x 1856 (23.0 MP, Other), 5536 x 2160 (12.0 MP, Other), 8192 x 1856 (15.2 MP, Other), 3872 x 2160 (8.4 MP, Other)
Image File Format:	JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG	JPEG, RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second:	8.1	10.5
Video Capture
Can take movies:	Yes	Yes
Movie Resolution:	1920x1080 (60i/50i/30p/25p/24p) 1280x720 (60p/50p/30p/25p/24p)	3840x2160 (30p/25p/24p) 1920x1080 (60p/60i/50p/50i/24p) 1280x720 (30p/25p) 1920x1080 (120p/100p)
Movie File Format:	MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record	XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Composite Video Out:	No	No
NTSC/PAL Switchable Video:	n/a	n/a
Video Usable as Viewfinder:	n/a	n/a
HD Video Out:	Yes	Yes
HD Video Connection:	HDMI	HDMI

Lens & Optics
Lens Mount:	Pentax K (KA/KAF/KAF2/3)	Sony Alpha (Minolta A)
Lens:	n/a	n/a
Focal Length (35mm equivalent):
Focal Length (actual):
Zoom Ratio:
Aperture Range:
Integrated ND Filter:	No	No
Normal Focus Range:
Macro Focus Range:
Filter Thread:	n/a	n/a
Thread Type:	n/a	n/a
Optical Image Stabilization:	No	No
Digital Zoom:		Yes
Digital Zoom Values:		Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center)	TTL Phase-detection AF: Dedicated CCD line sensors: 79 points (15 cross-type points, F2.8- sensitive at the center point); Focal Plane Phase Detection: 399 points (323 selectable points, 79 hybrid-cross auto focus points) When Hybrid Phase Detection AF is activated
Auto Focus Assist Light?	Yes	Yes
Manual Focus:	Yes	Yes
Viewfinder
Viewfinder:	Optical / LCD	EVF / LCD
Viewfinder Type:	SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., TBDmm eyepoint, -2.5 to +1.5 diopter	EVF: 1.3cm (0.5-inch) 2.4M-dot XGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0 diopter, eyepoint 23mm from the eyepiece lens/18.5mm from the eyepiece frame at -1 m-1 (CIPA standard), eye sensor
Focus Peaking:	Yes	Yes
EVF Resolution:	n/a	2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent):	0.63x	0.78x
Viewfinder Magnification (nominal/claimed):	0.95x	0.78x
Display
Eye-level Viewfinder:	Yes	Yes
Rear Display:	Yes	Yes
Rear Display Size (inches):	3.2	3.0
Rear Display Resolution:	1,036,800 dots (345,600 px)	1,228,800 dots (307,200 px)
Touchscreen:	No	No
Articulating Screen:	No	Yes
Tilt Swivel Screen:	No	Yes
Selfie Screen:	No	Yes
Max Playback Zoom:	16.0x	24.9x
Top Deck Display:	Yes	Yes

Exposure
Maximum ISO (native):	51200	25600
Minimum ISO (native):	100	100
ISO Settings:	Auto, 100-51200 (1, 1/2 or 1/3 EV steps)	AUTO (ISO 100-6400, selectable lower limit and upper limit), ISO 100 - 25600, expandable to ISO 50 - 102400
Auto ISO Mode:	Yes	Yes
White Balance Settings:	Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings)	Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 57-step Magenta/Green compensation), Underwater
Shutter Speed Range:	1/8000 - 30 sec	1/8000 - 30 sec
Bulb Mode:	Yes	Yes
Exposure Compensation:	+/- 5.0EV in 0.3EV steps	+/- 5.0EV in 0.3EV steps
Metering Modes:	TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot	1200-zone Evaluative Multi-segment, Center-weighted, Spot
Program Auto Exposure:	Yes	Yes
Aperture Priority:	Yes	Yes
Shutter Priority:	Yes	Yes
Full Manual Exposure:	Yes	Yes
Creative Exposure Modes:	Sensitivity Priority, Shutter and Aperture Priority; Digital filters (capture): Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3; Pixel Shift Resolution (On/Off)	3 Memory Recalls; Sweep Panorama; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step),
Self Timer:	2 or 12 seconds	2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer):	Yes
High Resolution Composite:	24.0 megapixels	No
Flash
Built-in Flash:	No	No
Flash Modes:	P-TTL; Modes available depends on external flash mounted	Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100):	n/a	n/a
Flash Range Description:	n/a	n/a
Max Flash Sync:	1/180	1/250
Flash Exposure Compensation:	-2 to +1 EV in 0.5EV steps	+/- 3.0 EV in 0.3EV steps
External Flash Connection:	Hot Shoe, PC Sync socket	Multi Interface Hot Shoe, PC-Sync Terminal
Built-In Wireless Flash Control:		No
Image Storage
Usable Memory Types:	SD / SDHC / SDXC	MS PRO Duo / SD / SDHC / SDXC
UHS Support:	UHS-I	UHS-I
Other Memory:
Dual Card Slots:	Yes	Yes
RAW Capture Support:	Yes	Yes
Uncompressed Format:	14-bit RAW (.PEF, .DNG), RAW+JPEG	RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format:	MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record	XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Included Memory:	No memory included	No memory included
Included Memory Type:
Connectivity
Built-In Wi-Fi:	No	Yes
NFC:	No	Yes
Bluetooth:	No	Yes
Built-In GPS:	Yes	No
Microphone Jack:	Yes	Yes
Headphone Jack:	Yes	Yes
External Connections:	USB 3.0 Super Speed	USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant:	No	No
DPOF Compliant:	Yes	Yes
Remote Control:	Yes	Yes
Remote Control Type:	Optional Wired or IR	Optional wired, infrared or via Wi-Fi
Connections (extended):	Micro (Type D) HMDI, USB 3.0 Micro B, DC input, wired remote jack, 3.5mm external stereo mic jack, 3.5mm stereo headphone jack	Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI (can output up to 4K/30p 8-bit 4:2:2) ; Microphone and Headphone jacks, DC input terminal

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):	<0.3	<0.3
Cycle time for RAW shooting in single shot mode (seconds per frame):
Buffer size for RAW shooting in single shot mode (frames):
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):	0.60	<0.3
Camera penalizes early shutter press?	No	No
JPEG shooting speed in burst mode (fps, max resolution):	8.1	10.5
Buffer size for JPEG shooting in burst mode (frames, max resolution):	60	61
RAW shooting speed in burst mode (fps):	8.2	11.1
Buffer size for RAW shooting in burst mode (frames):	22	25
RAW+JPEG shooting speed in burst mode (fps):	8.2	10.6
Buffer Size for RAW+JPEG shooting in burst mode (frames):	23	24
Shutter lag (full AF, wide/mid):	0.14 seconds	0.11 seconds
Shutter lag (full AF, tele):
Shutter lag (full AF, live view - DSLR):
Shutter lag (prefocused, live view - DSLR):	0.274 seconds
Shutter Lag (manual focus):	0.094 seconds	0.113 seconds
Shutter lag (full AF, with flash):
Shutter Lag (prefocused):	0.090 seconds	0.052 seconds
Shutter Lag (notes):
Startup Time:	1.2 seconds	1.2 seconds
Play -> Record Time:	0.5 seconds	1.0 seconds
Flash cycle time, full power:
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):		490 shots
Battery Life, Still (CIPA Rating OVF/EVF):	720 shots	390 shots
Battery Life, Video:		135 minutes
Battery Form Factor:	Proprietary D-LI90	Proprietary
Usable Battery Types:	Lithium-ion rechargeable	NP-FM500H Lithium-ion rechargeable
Batteries Included:	1 x Proprietary D-LI90 Lithium-ion rechargeable	1 x Proprietary NP-FM500H Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter):	Yes	Yes
Dedicated Battery Charger Included:	Yes	Yes
Internal Charging Supported:	No	No
Software
Included Software:	Software CD-ROM includes Digital Camera Utility 5	Capture One Express (for Sony) free download
OS Compatibility:
Miscellaneous
Notes & Features:	Improved sensor-shift shake reduction (up to 4.5 stops), new Pixel Shift Resolution mode (4-shot composite provides full color information at each pixel and reduces noise), built-in GPS with ASTROTRACER and electronic compass.