Samsung Galaxy S2 Skyrocket (SGH-i727) vs Jiayu G4 (4GB)
Side by side comparison between Samsung Galaxy S2 Skyrocket vs Jiayu G4 phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
AMOLED
AMOLED
480x800
8
MP
MP
2mp
1GB
RAM
RAM
Dual-core
1850
mAh
mAh
(Removable)
vs
4.7"
IPS
IPS
720x1280
13
MP
MP
3.1mp
1GB
RAM
RAM
Quad-core
1800
mAh
mAh
(Removable)
What's the better phone? Jiayu G4 (4GB)
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!
9 Advantages 
11 Advantages | 19 Common items in both devices |
| 1GB LPDDR2 / 1GB |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| Full HD (1920x1080) |
| Android 4.1.2 Jelly Bean |
| +12 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 S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| Change model | ||
| Model | Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) |
| Other model names | AT&T Samsung Galaxy S II Skyrocket i727 | JiaYu G4 Standard edition, JiaYu JY-G4 Basic |
| Country or region available |  USA |  China |
| Brand | Samsung | Jiayu |
| Release date | 11/6/2011 | 2/1/2013 |
| Depth | 9.4 millimeters (0.37 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 68.8 x 129.8 millimeters (2.71 x 5.11 in) | 65 x 133 millimeters (2.56 x 5.24 in) |
| Weight | 131 grams (4.59 ounces) | 160 grams (5.6 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| Display type | Super AMOLED Plus | TFT LED-Backlit IPS LCD |
| Screen size | 4.5" inches | 4.7" inches |
| Screen-to-body ratio | ~64.5% (screen-to-body ratio) | ~70.4% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 207 PPI | 312 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| System version | Android 2.3.5 Gingerbread | Android 4.1.2 Jelly Bean |
| Firmware update | Android 4.1.2 Jelly Bean | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| Chipset | 32bit: Qualcomm Snapdragon S3 MSM8260 | 32bit: MediaTek MT6589 |
| CPU | Dual-core, 1 processor: 2x 1.5GHz Scorpion (Dual-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 220 | PowerVR SXG544 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| RAM memory | 1GB LPDDR2 | 1GB |
| Internal storage | 16GB | 4GB |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 75/25 Mbps | feature not registered |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 850/1900/2100 | UMTS 900/2100 |
| Primary 4G network | LTE Cat2 (Bands 4, 17) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| Back camera (main camera) | 8 megapixels | 13 megapixels |
| Main camera resolution | 3264x2448 pixels | 4032x3224 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) |
| 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 | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection |
| BSI sensor | Not supported | feature not registered |
| HDR | Not supported | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| Front camera (secondary) | 2 megapixels | 3.1 megapixels |
| Front camera resolution | 1600x1200 pixels | 2048x1536 pixels |
| Video recording (secondary) | VGA (640x480) | Not supported |
| 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 S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 3.0 + A2DP | 2.0 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1850 mAh | 1800 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 7 hours | feature not registered |
| Standby | 256 hours (10.7 days) | 72 hours (3 days) |
➕ Other features | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (Swype), MMS, E-mail, Push mail | SMS (T9), 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • Samsung TouchWiz 4.0 UI • HAC M3/T3 • Java framework | • Colors: Black, White • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Galaxy S2 Skyrocket (SGH-i727) | Jiayu G4 (4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.3W/kg (head), 0.85W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.197W/kg (head) | feature not registered |