Samsung Galaxy S2 LTE (SGH-i727R) vs Sony Xperia U (ST25a)
Side by side comparison between Samsung Galaxy S2 LTE vs Sony Xperia U 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
3.5"
LED
LED
480x854
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1320
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy S2 LTE (SGH-i727R)
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!
17 Advantages 
5 Advantages | 19 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| (front) VGA (640x480) |
| Capacitive |
| +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 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| Model | Galaxy S2 LTE (SGH-i727R) | Xperia U (ST25a) |
| Other model names | Rogers Samsung Galaxy S2 4G LTE SGH-i727R, Samsung Celox | Sony Xperia U ST25, Sony Kumquat |
| Country or region available |  Canada |    (Latin America), Brazil, Canada, USA |
| Brand | Samsung | Sony |
| Release date | 11/6/2011 | 5/7/2012 |
| Depth | 9.4 millimeters (0.37 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 69.9 x 130.9 millimeters (2.75 x 5.15 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
| Weight | 132 grams (4.62 ounces) | 110 grams (3.85 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| Display type | Super AMOLED Plus | TFT LED-Backlit LCD |
| Screen size | 4.5" inches | 3.5" inches |
| Screen-to-body ratio | ~63% (screen-to-body ratio) | ~55.8% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x854 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 4-points |
| Pixel density (dot pitch) | 207 PPI | 280 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Scratch-resistant glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| System version | Android 2.3.5 Gingerbread | Android 2.3.7 Gingerbread |
| Firmware update | Android 4.1.2 Jelly Bean | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| Chipset | 32bit: Qualcomm Snapdragon S3 MSM8260 | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
| CPU | Dual-core, 1 processor: 2x 1.5GHz Scorpion (Dual-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 220 | ARM Mali-400 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| RAM memory | 1GB LPDDR2 | 512MB LPDDR2 |
| Internal storage | 16GB (14GB available) | 8GB (4GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 75/25 Mbps | 14.4/5.76 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 850/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE 1700/2100/2600 (Bands 1,4,7) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| Back camera (main camera) | 8 megapixels | 5 megapixels |
| Main camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.6 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.2" inches | 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, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| Front camera (secondary) | 2 megapixels | 0.3 megapixels |
| Front camera resolution | 1600x1200 pixels | 640x480 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 S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.263, H.264, WMV | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, AC3, FLAC | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 3.0 + A2DP | 2.1 + 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 | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) BA600 |
| Battery capacity | 1850 mAh | 1320 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 5 hours | 5.6 hours |
| Standby | 250 hours (10.4 days) | 472 hours (19.7 days) |
➕ Other features | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| 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, Flash player |
| 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 • Exchangeable bottom caps: White, Black, Pink, Yellow • Sony Reality Display • Sony Mobile BRAVIA Engine • xLoud • 3D surround sound • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Galaxy S2 LTE (SGH-i727R) | Sony Xperia U (ST25a) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.3W/kg (head), 0.85W/kg (body) | 1.09W/kg (head), 0.93W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.197W/kg (head) | 1.62W/kg (head) |