• APS-C 369.0mm2
  • 20.3 megapixels
  • ISO 100 - 25,600
  • 35mm 847.3mm2
  • 12.2 megapixels
  • ISO 100 - 102,400
  • Detailed specifications
  • Samsung Galaxy NX
  • Sony Alpha ILCE-A7S
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Sony A7S II
A7S vs A7S II
General
Model Number: Galaxy NX A7S
Alternate Model Number(s): GN120 ILCE-7S
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: No Yes
Retail Price: $1399.99 $2499.99
Street Price: $1,340.73 $1,998.00
Date Available: 2013-10-15 2014-07-08
Tripod Mount: Yes Yes
Weight: 25.3 oz (718 g)
includes batteries, kit lens
17.9 oz (507 g)
includes batteries
Size: 5.4 x 4.0 x 1.0 in.
(137 x 101 x 26 mm)
5.0 x 3.7 x 1.9 in.
(127 x 94 x 48 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Samsung Sony
Effective Megapixels: 20.3 12.2
Sensor Format: APS-C 35mm
Sensor size: 368.95mm2 (23.50mm x 15.70mm) 847.28mm2 (35.60mm x 23.80mm)
Approximate Pixel Pitch: 4.29 microns 8.40 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: Yes No
DxO Sensor Score: 75 87
DxO Color Depth Score (bits): 23.4 23.9
DxO Dynamic Range Score (evs): 12.3 13.2
DxO Maximum Effective ISO Score (iso): 910 3,702
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)
4240 x 2832 (12.0 MP, 3:2),
4240 x 2384 (10.1 MP, 16:9),
2768 x 1848 (5.1 MP, 3:2),
2768 x 1560 (4.3 MP, Other),
2128 x 1416 (3.0 MP, 3:2),
2128 x 1200 (2.6 MP, Other),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other)
Image File Format: JPEG, MPO, .SRW 12-bit RAW JPEG, RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 8.2 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1920x810 (24p)
1280x720 (60p/​30p)
640x480 (60p/​30p)
320x240 (30p)
640x480 (240p)
1920x1080 (60p/​60i/​50p/​50i/​30p/​25p/​24p)
1280x720 (120p/​100p)
1440x1080 (30p/​25p)
640x480 (30p/​25p)
Movie File Format: MP4 (H.264) with AAC audio XAVC-S, AVCHD 2.0, MP4 with stereo sound
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 Sony E
Lens: Samsung 18-55mm f/3.5-5.6 OIS NX n/a
Focal Length (35mm equivalent): 27 - 84mm  
Focal Length (actual): 18 - 55mm  
Zoom Ratio: 3.06x  
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22  
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
 
Macro Focus Range:    
Filter Thread: 58.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 2x i-Zoom Up to 4x; 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Hybrid AF (Phase and Contrast Detection) 25-point contrast-detect AF: Wide (25 points), Center-weighted, Flexible Spot (S/M/L), Zone
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD EVF / 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- EVF: 0.5-inch (1.30cm) 2.4M-dot XGA color OLED, 100% coverage, 0.71x magnification, -4.0 to +3.0 diopter
Focus Peaking: Yes Yes
EVF Resolution:   2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent): 0.69x 0.71x
Viewfinder Magnification (nominal/claimed): 1.04x 0.71x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 4.8 3.0
Rear Display Resolution: 2,764,800 dots (921,600 px) 921,600 dots (307,200 px)
Touchscreen: Yes No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   13.3x
Top Deck Display: No No
Exposure
Maximum ISO (native): 25600 102400
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 - 102,400, expandable to 50 - 409,600
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, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater
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 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: (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 Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur; Sweep Panorama; Picture Effect: Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R, G, B, Y), High Contrast Monochrome, Toy Camera, Soft Highkey, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature, Watercolor, Illustration; Dynamic Range Optimizer (Auto/Level (1-5)), Auto High Dynamic Range: Auto Exposure Difference, Exposure Difference Level (1.0-6.0 EV, 1.0 EV step)
Self Timer: 2-30 sec in 1 sec steps seconds 2 or 10; 3/5 shots after 10 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 11.0 m / 36.1 ft. n/a
Flash Range Description: Lens dependant; GN=11m (at ISO 100) n/a
Max Flash Sync: 1/180 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe Multi Interface Hot shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: microSD / microSDHC / microSDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: .SRW 12-bit RAW RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: MP4 (H.264) with AAC audio XAVC-S, AVCHD 2.0, MP4 with stereo sound
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes
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 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type:   Yes, via USB or Wi-Fi
Connections (extended): Cellular (3G, 4G LTE), Wi-Fi, Micro (Type D) HDMI, SIM card slot, headphone jack (but not active during video recording) Micro HDMI (Type-D), Multi Micro USB connector, Stereo microphone jack (3.5mm), Stereo headphone jack (3.5mm)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.12 0.53
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.33 0.57
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):   0.52
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 8.2 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 15 62
RAW shooting speed in burst mode (fps):   5.0
Buffer size for RAW shooting in burst mode (frames):   39
RAW+JPEG shooting speed in burst mode (fps):   5.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   28
Shutter lag (full AF, wide/mid): 0.33 seconds 0.18 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.201 seconds 0.129 seconds
Shutter lag (full AF, with flash): 0.55 seconds  
Shutter Lag (prefocused): 0.146 seconds 0.024 seconds
Shutter Lag (notes): Full AF shutter lag, auto-area mode = 0.422s Full AF lag, Multi-area AF mode = 0.183s
Startup Time: 2.7 seconds 2.0 seconds
Play -> Record Time: 3.0 seconds 0.5 seconds
Flash cycle time, full power: 6.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 440 shots 380 shots
Battery Life, Still (CIPA Rating OVF/EVF):   320 shots
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary NP-FW50
Usable Battery Types: 3.8v 4360 mAh lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary 4360 mAh lithium-ion rechargeable 2 x Proprietary NP-FW50 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: Yes
Software
Included Software: Samsung Kies, Adobe Photoshop Lightroom  
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. 720p (1,280 x 720 pixel) video can be recorded at 120fps with an APS-C sensor crop. Can't record 4K video internally, but can output uncompressed 3,840 x 2,160 pixel 4K video over the HDMI port for recording on an external device. Can also output uncompressed Full HD (1,920 x 1,080 pixel) video. Can shoot still images at 5.0 fps in Speed Priority Continuous mode, or 2.5 fps otherwise. Battery life figure of 380 shots is for LCD monitor. Using electronic viewfinder, battery life falls to 320 shots.