Samsung Star Duos (GT-B7722) vs Sony Ericsson Vivaz (U5a)
Side by side comparison between Samsung Star Duos vs Sony Ericsson Vivaz phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? Sony Ericsson Vivaz (U5a)
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!
2 Advantages 
16 Advantages | 17 Common items in both devices |
| TFT LCD |
| 3.2" |
| LED flash |
| Only digital zoom |
| Autofocus |
| Resistive |
| Single |
| +10 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 | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| Change model | ||
| Model | Star Duos (GT-B7722) | Vivaz (U5a) |
| Other model names | Samsung GT-B7722/H, Samsung B7722i Duos | Sony Ericsson Vivaz U5A, SE Kurara |
| Country or region available | feature not registered |    (Latin America), Canada, USA |
| Brand | Samsung | Sony Ericsson |
| Release date | 6/1/2010 | 3/4/2010 |
| Depth | 14.3 millimeters (0.56 inches) | 12.5 millimeters (0.49 inches) |
| Size (width x height) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) | 51.7 x 107 millimeters (2.04 x 4.21 in) |
| Weight | 112 grams (3.92 ounces) | 97 grams (3.4 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 3.2" inches | 3.2" inches |
| Screen-to-body ratio | ~46.3% (screen-to-body ratio) | ~51% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 360x640 pixels |
| Touchscreen | Resistive Single touch 1-point | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 146 PPI | 229 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| System version | Proprietary OS | Symbian 9.4 S60 5th Edition Symbian^1 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| Chipset | 32bit | 32bit |
| CPU | Single-core, 1 processor: Single-core | Single-core, 1 processor: 1x 720MHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | feature not registered | PowerVR SGX530 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| RAM memory | feature not registered | 256MB SDRAM |
| Internal storage | 270MB | 512MB (75MB available) |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 3.6 Mbps | 10.2/2 Mbps |
| Network technology | 2G, 3G | 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 2100 | UMTS 850/1900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 900/1800 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| Back camera (main camera) | 5 megapixels | 8 megapixels |
| Main camera resolution | 2560x1920 pixels | 3264x2448 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | HD (1280x720) 24 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 | feature not registered | Supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | 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 | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, WMV, 3GP, RV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WMA, WAV, RA, AAC, M4A |
🔌 Connectivity | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | via Micro-USB | 3.5mm jack |
| TV output | Not supported | Proprietary TV-out |
| Bluetooth | 2.1 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | feature not registered | Supported |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| Sensors | Accelerometer | Accelerometer Ambient light sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Removable) EP500 |
| Battery capacity | 1200 mAh | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5.6 hours | 5.3 hours |
| Standby | 330 hours (13.8 days) | 440 hours (18.3 days) |
➕ Other features | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| Call control | Voice recorder | Voice recorder |
| Messaging | SMS, MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | WAP, HTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • SHP OS • Dolphin 1.0 browser • 3D Sound Technology Java framework | • Colors: Black, Blue, Red, Gray, Light pink • 8GB microSD included • 3D stereo sound • Continuous autofocus • Touch capture • WisePilot navigation Java framework |
☢️ Radiation rate | ||
| Samsung Star Duos (GT-B7722) | Sony Ericsson Vivaz (U5a) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |