Vodafone Chat 655 vs Samsung Star Duos (GT-B7722)
Side by side comparison between Vodafone Chat 655 vs Samsung Star Duos phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? Samsung Star Duos (GT-B7722)
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!
5 Advantages 
8 Advantages | 17 Common items in both devices |
| Until 16GB microSD, microSDHC |
| TFT LCD |
| 260 thousand |
| LED flash |
| Only digital zoom |
| QVGA (320x240) |
| Proprietary OS |
| +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 | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| Change model | ||
| Model | Chat 655 | Star Duos (GT-B7722) |
| Other model names | Alcatel Chat OT-655, Vodafone Chat 655W 3G | Samsung GT-B7722/H, Samsung B7722i Duos |
| Country or region available | feature not registered | feature not registered |
| Brand | Vodafone | Samsung |
| Release date | 2/1/2013 | 6/1/2010 |
| Depth | 11 millimeters (0.43 inches) | 14.3 millimeters (0.56 inches) |
| Size (width x height) | 61.1 x 112 millimeters (2.41 x 4.41 in) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) |
| Weight | 104 grams (3.64 ounces) | 112 grams (3.92 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 2.4" inches | 3.2" inches |
| Screen-to-body ratio | ~26.1% (screen-to-body ratio) | ~46.3% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 240x400 pixels |
| Touchscreen | Not supported | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 167 PPI | 146 PPI |
| Colors | 260 thousand | 260 thousand |
| 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 | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| System version | Proprietary OS | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| Chipset | 32bit | 32bit |
| CPU | Single-core, 1 processor: Single-core | Single-core, 1 processor: Single-core |
| GPU graphical controller | feature not registered | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| RAM memory | feature not registered | feature not registered |
| Internal storage | 64MB | 270MB |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 16GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| 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 | 3.6 Mbps | 3.6 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 2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA | GPRS, EDGE, UMTS, HSDPA |
| Secondary 2G network | Not supported | GSM 900/1800 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| Back camera (main camera) | 2 megapixels | 5 megapixels |
| Main camera resolution | 1600x1200 pixels | 2560x1920 pixels |
| Video recording (primary) | QVGA (320x240) | QVGA (320x240) 30 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 | Not supported | Autofocus |
| Touch focus | feature not registered | feature not registered |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | feature not registered |
| BSI sensor | feature not registered | feature not registered |
| HDR | feature not registered | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| 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 | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | feature not registered |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, AAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | via Micro-USB |
| TV output | Not supported | Not supported |
| 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 | feature not registered |
| GPS | A-GPS | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | feature not registered |
🧭 Sensors | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| Sensors | Not supported | Accelerometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | feature not registered | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5 hours | 5.6 hours |
| Standby | 509 hours (21.2 days) | 330 hours (13.8 days) |
➕ Other features | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| Call control | Voice recorder | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail | SMS, MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Gray • Facebook, Twitter Java framework | • Colors: Black • SHP OS • Dolphin 1.0 browser • 3D Sound Technology Java framework |
☢️ Radiation rate | ||
| Vodafone Chat 655 | Samsung Star Duos (GT-B7722) | |
| 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 |