Samsung Galaxy Express 3 (SM-J120A) vs Samsung Galaxy S2 (SGH-i777 16GB)
Side by side comparison between Samsung Galaxy Express 3 vs Samsung Galaxy S2 (SGH-i777) phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
AMOLED
AMOLED
480x800
5
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2050
mAh
mAh
(Removable)
vs
4.3"
AMOLED
AMOLED
480x800
8
MP
MP
2mp
1GB
RAM
RAM
Dual-core
1650
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Express 3 (SM-J120A)
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!
11 Advantages 
9 Advantages | 20 Common items in both devices |
| 1GB / 1GB LPDDR2 |
| 8.9 millimeters (0.35 inches) |
| Plastic body, glass front |
| Super AMOLED / Super AMOLED Plus |
| 16 million |
| 480x800 pixels |
| LED flash |
| +13 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 Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| Change model | ||
| Model | Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) |
| Other model names | AT&T Samsung Galaxy J1 4G, Galaxy Express 3 GoPhone | AT&T Samsung Galaxy S II i777, Samsung Attain |
| Country or region available |  USA | USA |
| Brand | Samsung | Samsung |
| Release date | 4/1/2016 | 10/2/2011 |
| Depth | 8.9 millimeters (0.35 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 69.3 x 132.6 millimeters (2.73 x 5.22 in) | 66 x 126 millimeters (2.6 x 4.96 in) |
| Weight | 131 grams (4.59 ounces) | 122 grams (4.27 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| Display type | Super AMOLED | Super AMOLED Plus |
| Screen size | 4.5" inches | 4.3" inches |
| Screen-to-body ratio | ~62.7% (screen-to-body ratio) | ~63.3% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 207 PPI | 217 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 Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| System version | Android 6.0.1 Marshmallow | Android 2.3.4 Gingerbread |
| Firmware update | feature not registered | Android 2.3.6 Gingerbread |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| Chipset | 32bit: Spreadtrum SC9830A (28nm) | 32bit: Samsung Exynos 4 Dual 4210 (45nm) |
| CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | ARM Mali-400 MP2 | ARM Mali-400 MP4 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| RAM memory | 1GB | 1GB LPDDR2 |
| Internal storage | 8GB (4GB available) | 16GB (13GB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 21/5.76 Mbps |
| 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 850/900/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat4 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,12) | 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 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| 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 | f/2.2 (aperture) | 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, Smile 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 Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| Front camera (secondary) | 2 megapixels | 2 megapixels |
| Front camera resolution | 1600x1200 pixels | 1600x1200 pixels |
| Video recording (secondary) | VGA (640x480) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | 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 Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, MKV | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| 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 | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2050 mAh | 1650 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 12 hours | 8 hours |
| Standby | 240 hours (10 days) | 400 hours (16.7 days) |
➕ Other features | ||
| Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| Call control | Voice dialing, 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 | • Colors: Black • Samsung TouchWiz 4.0 UI • Java framework |
☢️ Radiation rate | ||
| Galaxy Express 3 (SM-J120A) | Galaxy S2 (SGH-i777 16GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.99W/kg (head), 1.25W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 1.03W/kg (head), 0.439W/kg (body) | feature not registered |