- 1/2.33 inch 28.2mm2
- 12.0 megapixels
- 28.00mm - 140.00mm (35mm eq.)
- Go in depth with our full Nikon S640 Review.
- APS-C 369.7mm2
- 20.3 megapixels
- ISO 100 - 12,800
- Go in depth with our full Samsung NX20 Review.
- See real-world photos taken with the NX20.
| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: | ||
| Successor: | ||
| General | ||
| Model Number: | S640 | NX20 |
| Alternate Model Number(s): | ||
| Camera Format: | Ultra Compact | Compact System Camera |
| Currently Manufactured: | No | No |
| Retail Price: | $249.95 | $1099.99 |
| Street Price: | $399.99 | |
| Date Available: | 2009-09-15 | 2012-05-05 |
| Tripod Mount: | Yes | Yes |
| Weight: | 3.9 oz (110 g) |
22.5 oz
(637 g)
includes batteries, kit lens |
| Size: |
3.6 x
2.2 x
0.8 in. (91 x 55 x 21 mm) |
4.8 x
3.5 x
1.6 in. (122 x 90 x 40 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CCD | CMOS |
| Sensor Manufacturer: | Samsung | |
| Effective Megapixels: | 12.0 | 20.3 |
| Sensor Format: | 1/2.33 inch | APS-C |
| Sensor size: | 28.198mm2 (6.13mm x 4.6mm) | 369.72mm2 (23.7mm x 15.6mm) |
| Approximate Pixel Pitch: | 1.53 microns | 4.33 microns |
| Focal Length Multiplier: | n/a | 1.5x |
| Aspect Ratio: | 4:3 | 3:2 |
| Color Filter Type: | RGBG | |
| Anti Aliasing Filter: | Fixed | |
| Self-Cleaning: | No | Yes |
| Sensor shift image stabilization: | No | No |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 75 | |
| DxO Color Depth Score (bits): | 23.4 | |
| DxO Dynamic Range Score (evs): | 12.9 | |
| DxO Maximum Effective ISO Score (iso): | 785 | |
| Image Capture | ||
| Image Resolution: |
4000 x 3000
(12.0 MP,
4:3), 3968 x 2232 (8.9 MP, 16:9), 3264 x 2448 (8.0 MP, 4:3), 2592 x 1944 (5.0 MP, 4:3), 2048 x 1536 (3.1 MP, 4:3), 1024 x 768 (0.8 MP, 4:3), 640 x 480 (0.3 MP, 4:3) |
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) |
| Image File Format: | JPEG | JPEG (EXIF 2.21), .SRW 12-bit RAW |
| Continuous-mode frames/second: | n/a | 7.5 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: | 640x480 (30) |
1920x1080 (30p)
1920x810 (24p) 1280x720 (30p) 640x480 (30p) 320x240 (30p) |
| Movie File Format: | MP4 (H.264) with AAC audio | |
| Composite Video Out: | Yes | Yes |
| NTSC/PAL Switchable Video: | Yes | Yes |
| Video Usable as Viewfinder: | ||
| HD Video Out: | Yes | |
| HD Video Connection: | HDMI | |
| Lens & Optics | ||
| Lens Mount: | n/a | Samsung NX |
| Lens: | Nikkor lens | Samsung 18-55mm f/3.5-5.6 OIS NX |
| Focal Length (35mm equivalent): | 28 - 140mm | 27 - 84mm |
| Focal Length (actual): | 5 - 25mm | 18 - 55mm |
| Zoom Ratio: | 5.00x | 3.06x |
| Aperture Range: | f/2.7 (wide) / f/6.6 (tele) - ??? | f/3.5 (wide) / f/5.6 (tele) - f/22 |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
45 cm to Infinity 17.7 in to Infinity |
28 cm to Infinity 11.0 in to Infinity |
| Macro Focus Range: |
2 cm to Infinity 0.8 in to Infinity |
|
| Filter Thread: | n/a | 58.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | Yes | Yes |
| Digital Zoom: | Yes | Yes |
| Digital Zoom Values: | Up to 4x | Up to 2x i-Zoom |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | Contrast Detection with Face-Priority AF | 15-point Contrast Detection; has single-point and 35-point closeup modes; Face Detection : Max. 10 faces |
| Auto Focus Assist Light? | No | Yes |
| Manual Focus: | No | Yes |
| Viewfinder | ||
| Viewfinder: | LCD | EVF / OLED |
| 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- | |
| Focus Peaking: | No | No |
| EVF Resolution: | n/a | 1,440,000 dots (480,000 pixels) |
| Viewfinder Magnification (35mm equivalent): | 0.69x | |
| Viewfinder Magnification (nominal/claimed): | 1.04x | |
| Display | ||
| Eye-level Viewfinder: | No | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.7 | 3.0 |
| Rear Display Resolution: | 230,000 dots | 614,400 dots |
| Touchscreen: | No | No |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | |
| Selfie Screen: | No | |
| Max Playback Zoom: | ||
| Top Deck Display: | No | |
| Exposure | ||
| Maximum ISO (native): | 12800 | |
| Minimum ISO (native): | 100 | |
| ISO Settings: | Auto (100 - 1600) 100, 200, 400, 800, 1600, 3200, 6400 | Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800 (1 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 | |
| Shutter Speed Range: | 1/8000 - 30 sec | |
| Bulb Mode: | No | Yes |
| Exposure Compensation: | +/- 3.0EV in 0.3EV steps | |
| Metering Modes: | 221-segment Multi, Center-weighted, Spot | |
| Program Auto Exposure: | No | Yes |
| Aperture Priority: | No | Yes |
| Shutter Priority: | No | Yes |
| Full Manual Exposure: | No | Yes |
| Creative Exposure Modes: | 16 Scene Modes | Scene: Panorama (Live, 3D), Beauty shot, Night, Landscape, Portrait, Children, Sports, Close-Up, Text, Sunset, Dawn, Backlight, Fireworks, Beach & Snow, Sound Picture, 3D Photo; Smart Filter: Vignetting, Miniature, Fish-Eye, Sketch, De-fog, Halftone Dots, Soft Focus, Old Film1, Old Film2, Negative, Selective Color (4 Color Modes); Magic Frame: Old Album, Old Film, Wave, Full Moon, Old Record, Magazine, Sunny Day, Classic TV, Wall Art, Holiday, Billboard 1, Billboard 2, Newspaper |
| Self Timer: | 2-30 sec in 1 sec steps seconds | |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | n/a | Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off |
| Flash Guide Number (ISO 100): | n/a | 11.0 m / 36.1 ft. |
| Flash Range Description: | n/a | Depends on lens aperture |
| Max Flash Sync: | 1/180 | |
| Flash Exposure Compensation: | +/- 2.0 EV in 0.5EV steps | |
| External Flash Connection: | n/a | Hot shoe |
| Built-In Wireless Flash Control: | No | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | SD / SDHC / SDXC |
| UHS Support: | ||
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | No | Yes |
| Uncompressed Format: | .SRW 12-bit RAW | |
| Movie File Format: | MP4 (H.264) with AAC audio | |
| Included Memory: | 45.0 MB | No memory included |
| Included Memory Type: | built-in memory | |
| Connectivity | ||
| Built-In Wi-Fi: | No | Yes |
| NFC: | ||
| Bluetooth: | No | No |
| Built-In GPS: | No | No |
| Microphone Jack: | No | No |
| Headphone Jack: | No | No |
| External Connections: | USB 2.0 High Speed | USB 2.0 High Speed,WiFi |
| PictBridge Compliant: | No | Yes |
| DPOF Compliant: | No | Yes |
| Remote Control: | Yes | |
| Remote Control Type: | Optional wired (SR2NX02) | |
| Connections (extended): | DC Input | Micro (Type D) HDMI, Combined AV/USB/Remote Micro USB Port |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 1.40 | |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 1.32 | |
| Buffer size for RAW shooting in single shot mode (frames): | 4 | |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | ||
| Camera penalizes early shutter press? | No | |
| JPEG shooting speed in burst mode (fps, max resolution): | 7.5 | |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 11 | |
| RAW shooting speed in burst mode (fps): | ||
| Buffer size for RAW shooting in burst mode (frames): | ||
| RAW+JPEG shooting speed in burst mode (fps): | ||
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | ||
| Shutter lag (full AF, wide/mid): | 0.35 seconds | |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.060 seconds | |
| Shutter lag (full AF, with flash): | 0.62 seconds | |
| Shutter Lag (prefocused): | 0.044 seconds | |
| Shutter Lag (notes): | Full AF Shutter Lag, Wide Area mode = 0.650s | |
| Startup Time: | 3.0 seconds | |
| Play -> Record Time: | 0.9 seconds | |
| Flash cycle time, full power: | 3.6 seconds | |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 270 shots | 360 shots |
| Battery Life, Still (CIPA Rating OVF/EVF): | ||
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary EN-EL12 | Proprietary BP1310 |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary EN-EL12 Lithium-ion rechargeable | 1 x Proprietary BP1310 lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | ||
| Internal Charging Supported: | ||
| Software | ||
| Included Software: | Nikon Software Suite CD-ROM | intelli-studio 3.0, Samsung RAW Converter 4, PC Auto Backup, Adobe Reader |
| OS Compatibility: | Windows, Mac OS (except intelli-studio) | |
| Miscellaneous | ||
| Notes & Features: | Optical VR Image Stabilization, Motion Detection, Best Shot Selector (BSS), Smart Portrait System. Available in Calm Black, Velour Red, Precious Pink, and Pearl White. | Built-in Wi-Fi (IEEE 802.11b/g/n support, Mobile Link, Remote Viewfinder, Social Sharing, Email, Cloud , Auto Backup, TV Link, Wi-Fi Direct), supports geotagging w/ optional WGS84 GPS Module. |
