• APS-C 369.0mm2
  • 20.3 megapixels
  • ISO 100 - 25,600
  • APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Samsung Galaxy NX
  • Pentax K-3
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Pentax K-3 II
K-3 vs K-3 II
General
Model Number: Galaxy NX K-3
Alternate Model Number(s): GN120  
Camera Format: Compact System Camera Pro SLR
Currently Manufactured: No No
Retail Price: $1399.99 $1149.95
Street Price: $7,999.99 $699.00
Date Available: 2013-10-15 2013-11-01
Tripod Mount: Yes Yes
Weight: 25.3 oz (718 g)
includes batteries, kit lens 		43.7 oz (1,240 g)
includes batteries, kit lens
Size: 5.4 x 4.0 x 1.0 in.
(137 x 101 x 26 mm) 		5.2 x 3.9 x 3.1 in.
(132 x 100 x 77 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Samsung  
Effective Megapixels: 20.3 24.4
Sensor Format: APS-C APS-C
Sensor size: 368.95mm2 (23.50mm x 15.70mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 4.29 microns 3.91 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Optional
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: Yes No
DxO Sensor Score: 75 80
DxO Color Depth Score (bits): 23.4 23.7
DxO Dynamic Range Score (evs): 12.3 13.4
DxO Maximum Effective ISO Score (iso): 910 1,216
Image Capture
Image Resolution: 5472 x 3648 (20.0 MP, 3:2),
5472 x 3080 (16.9 MP, 16:9),
3648 x 3648 (13.3 MP, 1:1),
3888 x 2592 (10.1 MP, 3:2),
3712 x 2088 (7.8 MP, 16:9),
2640 x 2640 (7.0 MP, 1:1),
2976 x 1984 (5.9 MP, 3:2),
2736 x 1824 (5.0 MP, 3:2),
2944 x 1656 (4.9 MP, 16:9),
2000 x 2000 (4.0 MP, 1:1),
1920 x 1080 (2.1 MP, 16:9),
1728 x 1152 (2.0 MP, 3:2),
1024 x 1024 (1.0 MP, 1:1) 		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)
Image File Format: JPEG, MPO, .SRW 12-bit RAW JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG
Continuous-mode frames/second: 8.2 7.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1920x810 (24p)
1280x720 (60p/​30p)
640x480 (60p/​30p)
320x240 (30p)
640x480 (240p) 		1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
Movie File Format: MP4 (H.264) with AAC audio MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record
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: Samsung NX Pentax K (KA/KAF/KAF2/3)
Lens: Samsung 18-55mm f/3.5-5.6 OIS NX smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR
Focal Length (35mm equivalent): 27 - 84mm 27 - 203mm
Focal Length (actual): 18 - 55mm 18 - 135mm
Zoom Ratio: 3.06x 7.50x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22 f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele)
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity 		40 cm to Infinity
15.7 in to Infinity
Macro Focus Range:    
Filter Thread: 58.0mm 62.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes
Digital Zoom Values: Up to 2x i-Zoom  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Hybrid AF (Phase and Contrast Detection) SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF type with Eye Contact Sensor; SVGA (800 x 600) TFT-LCD; Coverage: Approx. 100%; Magnification: Approx. 1.04X (APS-C, 50mm, -1m-1), Approx. 0.68X (Equivalent to a 50mm lens on a 35mm camera); Eyepoint: Approx. 18.0mm; Diopter Adjustment: -4.0 to +4.0m- SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., TBDmm eyepoint, -2.5 to +1.5 diopter
Focus Peaking: Yes Yes
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.69x 0.63x
Viewfinder Magnification (nominal/claimed): 1.04x 0.95x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 4.8 3.2
Rear Display Resolution: 2,764,800 dots (921,600 px) 1,036,800 dots (345,600 px)
Touchscreen: Yes No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   16.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 25600 51200
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600 (1 or 1/3 EV steps) Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, White Fluorescent, Neutral Fluorescent, Daylight Fluorescent, Tungsten, Flash, Custom, Kelvin Color Temp., 7-step A/B + G/M adjust 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)
Shutter Speed Range: 1/6000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 221-segment Multi, Center-weighted, Spot TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: (1) Portrait : Smart Mode Suggest, Beauty face, Best Photo, Continuous Shot, Best Face, Color Bracket, Kids, Vignett+, Golf; (2) Scenery : Landscape, Dawn, Snow; (3) Close-up/Indoor : Macro, Food, Party/Indoor; (4) Pro Style : Action freeze, Rich Tone, Panorama, Waterfall, Animated Photo, Multi Exposure, Drama, Eraser, Sound & Shot, Miniature, Creative Shot, Interval; (5) Night Scenery : Silhouette, Sunset, Night, Fireworks, Light Trace 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.
Self Timer: 2-30 sec in 1 sec steps seconds 2 or 12 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off P-TTL, Red-eye reduction, Slow-speed sync, Rear Curtain Sync. High-Speed Sync and Wireless Sync also available with PENTAX dedicated external flash.
Flash Guide Number (ISO 100): 11.0 m / 36.1 ft. 13.0 m / 42.7 ft.
Flash Range Description: Lens dependant; GN=11m (at ISO 100) Depends on lens
Max Flash Sync: 1/180 1/180
Flash Exposure Compensation: +/- 2.0 EV in 0.5EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot shoe Hot Shoe, PC Sync socket
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: microSD / microSDHC / microSDXC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: .SRW 12-bit RAW 14-bit RAW (.PEF, .DNG), RAW+JPEG
Movie File Format: MP4 (H.264) with AAC audio MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes No
NFC: No
Bluetooth: Yes No
Built-In GPS: Yes No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed,Bluetooth,WiFi USB 3.0 Super Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type:   Optional Wired or IR
Connections (extended): Cellular (3G, 4G LTE), Wi-Fi, Micro (Type D) HDMI, SIM card slot, headphone jack (but not active during video recording) 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
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.12 0.79
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.33 0.64
Buffer size for RAW shooting in single shot mode (frames): 20 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.69
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 8.2 7.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 15 75
RAW shooting speed in burst mode (fps):   7.1
Buffer size for RAW shooting in burst mode (frames):   24
RAW+JPEG shooting speed in burst mode (fps):   7.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   25
Shutter lag (full AF, wide/mid): 0.33 seconds 0.14 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   1.01 seconds
Shutter lag (prefocused, live view - DSLR):   0.226 seconds
Shutter Lag (manual focus): 0.201 seconds 0.097 seconds
Shutter lag (full AF, with flash): 0.55 seconds 0.33 seconds
Shutter Lag (prefocused): 0.146 seconds 0.096 seconds
Shutter Lag (notes): Full AF shutter lag, auto-area mode = 0.422s Full AF lag, Wide-area mode, OVF = 0.157s Live View: Center mode AF lag = 1.014s Wide-area mode AF lag = 1.005s Prefocused = 0.226s
Startup Time: 2.7 seconds 0.9 seconds
Play -> Record Time: 3.0 seconds 0.6 seconds
Flash cycle time, full power: 6.3 seconds 2.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 440 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   560 shots
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary D-LI90
Usable Battery Types: 3.8v 4360 mAh lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary 4360 mAh lithium-ion rechargeable 1 x Proprietary D-LI90 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Samsung Kies, Adobe Photoshop Lightroom Software CD-ROM S-SW140
OS Compatibility: Windows, Mac  
Miscellaneous
Notes & Features: 20.3MP APS-C Sensor, DRIMe IV Image Processor, Advanced Hybrid Auto Focus (AF) System, 8.6fps Burst Mode, 30 Smart Modes, Runs Android 4.2 Jelly Bean OS, 1.6GHz Quad-Core Processor, Cellular (4G LTE, 3G), Wi-Fi a/b/g/n, Bluetooth 4.0 (LE), GPS, GLONASS. Image stabilization system also acts as a selectable AA filter, 8.3 fps full-res burst mode, new 27-point AF system, new 86,000 pixel RGB metering system, Full HD video up to 60i with H.264 encoding, dual SD card slots, freeze-proof, dust-proof, weather-resistant magnesium alloy construction, USB 3.0 port.