Sony Xperia U (ST25i) vs Samsung Duos SCH-W699
Side by side comparison between Sony Xperia U vs Samsung Duos SCH-W699 phones, differences, pros, cons and full specifications. What's the better?
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3.5"
LED
LED
480x854
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1320
mAh
mAh
(Removable)
vs
What's the better phone? Sony Xperia U (ST25i)
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!
21 Advantages 
2 Advantages | 11 Common items in both devices |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| Autofocus |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Vibrating alert |
| +4 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 | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| Model | Xperia U (ST25i) | Duos SCH-W699 |
| Other model names | Sony Xperia U ST25, Sony Kumquat | Samsung W699 Duos, Samsung SCH-W699 |
| Country or region available |  (Global, International) | feature not registered |
| Brand | Sony | Samsung |
| Release date | 5/7/2012, Announced: 2/1/2012 | 8/1/2009 |
| Depth | 12 millimeters (0.47 inches) | 19.9 millimeters (0.78 inches) |
| Size (width x height) | 54 x 112 millimeters (2.13 x 4.41 in) | 56 x 98 millimeters (2.2 x 3.86 in) |
| Weight | 110 grams (3.85 ounces) | 120 grams (4.2 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| Display type | TFT LED-Backlit LCD | TFT LCD |
| Screen size | 3.5" inches | 2.8" inches |
| Screen-to-body ratio | ~55.8% (screen-to-body ratio) | ~44.2% (screen-to-body ratio) |
| Display resolution | 480x854 pixels (16:9) | 240x320 pixels |
| Touchscreen | Capacitive Multitouch 4-points | Not supported |
| Pixel density (dot pitch) | 280 PPI | 143 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Scratch-resistant glass | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| System version | Android 2.3.7 Gingerbread | Proprietary OS |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| Chipset | 32bit: ST-Ericsson NovaThor U8500 (45nm) | 32bit |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | ARM Mali-400 MP1 | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| RAM memory | 512MB LPDDR2 | feature not registered |
| Internal storage | 8GB (4GB available) | 20MB |
| External storage | Not supported | Until 8GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| 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 | 14.4/5.76 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | UMTS 900/2100 | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE |
| Secondary 2G network | Not supported | CDMA 800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | CDMA2000 EV-DO Rev 0 |
📷 Camera | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | VGA (640x480) 15 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 | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | Not supported | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| Front camera (secondary) | 0.3 megapixels | Not supported |
| Front camera resolution | 640x480 pixels | Not supported |
| 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 | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, H.264, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, eAAC+, WMA, WAV | MP3, WAV, WMA, AAC+ |
🔌 Connectivity | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 proprietary connector |
| Audio output | 3.5mm jack | proprietary audio output |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 2.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | Not supported |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging | GPS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| Battery type | Li-Ion: lithium-ion (Removable) BA600 | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1320 mAh | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 5.6 hours | 4 hours |
| Standby | 472 hours (19.7 days) | 200 hours (8.3 days) |
➕ Other features | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | WAP, HTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • 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 | • Colors: Gold on black • External TFT touchscreen 260 thousand colors • Word, Excel, PowerPoint, PDF viewer Java framework |
☢️ Radiation rate | ||
| Sony Xperia U (ST25i) | Samsung Duos SCH-W699 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.09W/kg (head), 0.93W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 1.62W/kg (head) | feature not registered |