Samsung Galaxy J1 Duos (SM-J100H/DS) vs Samsung Galaxy S2 Skyrocket (SGH-i727)
Side by side comparison between Samsung Galaxy J1 vs Samsung Galaxy S2 Skyrocket phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
TFT
TFT
480x800
5
MP
MP
2mp
512MB
RAM
RAM
Dual-core
1850
mAh
mAh
(Removable)
vs
4.5"
AMOLED
AMOLED
480x800
8
MP
MP
2mp
1GB
RAM
RAM
Dual-core
1850
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy S2 Skyrocket (SGH-i727)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
10 Advantages 
13 Advantages | 23 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| 480x800 pixels |
| LED flash |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| +16 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| Model | Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) |
| Other model names | Galaxy J1 (3G) J100H/Dual-Sim | AT&T Samsung Galaxy S II Skyrocket i727 |
| Country or region available |        South Africa, Kazakhstan, Slovakia, Hungary, India, Malaysia, Czech Republic |  USA |
| Brand | Samsung | Samsung |
| Release date | 2/1/2015 | 11/6/2011 |
| Depth | 8.9 millimeters (0.35 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 68.2 x 129 millimeters (2.69 x 5.08 in) | 68.8 x 129.8 millimeters (2.71 x 5.11 in) |
| Weight | 122 grams (4.27 ounces) | 131 grams (4.59 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| Display type | TFT LCD | Super AMOLED Plus |
| Screen size | 4.3" inches | 4.5" inches |
| Screen-to-body ratio | ~59.8% (screen-to-body ratio) | ~64.5% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 217 PPI | 207 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| System version | Android 4.4.4 KitKat | Android 2.3.5 Gingerbread |
| Firmware update | feature not registered | Android 4.1.2 Jelly Bean |
| User Interface | feature not registered | TouchWiz 4.0 UI |
⚙️ Processor | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| Chipset | 32bit: Spreadtrum SC8830A (28nm) | 32bit: Qualcomm Snapdragon S3 (MSM8260) (45nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A7 (Dual-core) | Dual-core, 1 processor: 2x 1.5GHz Scorpion (Dual-core) |
| GPU graphical controller | ARM Mali-400 MP2 | Qualcomm Adreno 220 (266MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| RAM memory | 512MB | 1GB LPDDR2 |
| Internal storage | 4GB (2GB available) | 16GB (13GB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 75/25 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | Not supported | LTE Cat2 (Bands 4, 17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| Back camera (main camera) | 5 megapixels | 8 megapixels |
| Main camera resolution | 2592x1944 pixels | 3264x2448 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| Front camera (secondary) | 2 megapixels | 2 megapixels |
| Front camera resolution | 1600x1200 pixels | 1600x1200 pixels |
| Video recording (secondary) | VGA (640x480) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | Not supported | 2 microphones |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL |
| Bluetooth | 4.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1850 mAh | 1850 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 10 hours | 7 hours |
| Standby | feature not registered | 256 hours (10.7 days) |
➕ Other features | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White, Black • Samsung TouchWiz UI | • Colors: Black, White HAC M3/T3 Java framework |
☢️ Radiation rate | ||
| Galaxy J1 Duos (SM-J100H/DS) | Galaxy S2 Skyrocket (SGH-i727) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.25W/kg (head), 0.92W/kg (body) | 0.3W/kg (head), 0.85W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.582W/kg (head), 0.496W/kg (body) | 0.197W/kg (head) |