Samsung Droid Charge (SCH-i510) vs Samsung Star Duos (GT-B7722)
Side by side comparison between Samsung Droid Charge vs Samsung Star Duos phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
AMOLED
AMOLED
480x800
8
MP
MP
1.3mp
512MB
RAM
RAM
Single-core
1600
mAh
mAh
(Removable)
vs
What's the better phone? Samsung Droid Charge (SCH-i510)
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!
24 Advantages 
3 Advantages | 10 Common items in both devices |
| LED flash |
| Only digital zoom |
| Autofocus |
| Accelerometer |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Vibrating alert |
| +3 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 Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| Change model | ||
| Model | Droid Charge (SCH-i510) | Star Duos (GT-B7722) |
| Other model names | Verizon Samsung Droid Charge 4G LTE i510, Samsung Stealth | Samsung GT-B7722/H, Samsung B7722i Duos |
| Country or region available |  USA | feature not registered |
| Brand | Samsung | Samsung |
| Release date | 5/16/2011 | 6/1/2010 |
| Depth | 11.7 millimeters (0.46 inches) | 14.3 millimeters (0.56 inches) |
| Size (width x height) | 68 x 130 millimeters (2.68 x 5.12 in) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) |
| Weight | 143 grams (5.01 ounces) | 112 grams (3.92 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| Display type | Super AMOLED Plus | TFT LCD |
| Screen size | 4.3" inches | 3.2" inches |
| Screen-to-body ratio | ~59.5% (screen-to-body ratio) | ~46.3% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 217 PPI | 146 PPI |
| Colors | 16 million | 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 | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| System version | Android 2.2.1 Froyo | Proprietary OS |
| Firmware update | Android 2.3.4 Gingerbread | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| Chipset | 32bit: Hummingbird | 32bit |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | PowerVR SGX540 | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| RAM memory | 512MB LPDDR2 | feature not registered |
| Internal storage | 2GB (1.39GB available) | 270MB |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 16GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Samsung Droid Charge (SCH-i510) | 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 | 15 Mbps | 3.6 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1700/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO | UMTS 2100 |
| Primary 4G network | LTE 700 | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CDMA2000 EV-DO Rev A, LTE | 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 | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| Back camera (main camera) | 8 megapixels | 5 megapixels |
| Main camera resolution | 3264x2448 pixels | 2560x1920 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 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 | Autofocus | 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 | Face detection | 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 | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| Front camera (secondary) | 1.3 megapixels | Not supported |
| Front camera resolution | 1280x1024 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 | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | feature not registered |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, WMV, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, AC3, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Samsung Droid Charge (SCH-i510) | 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 | 3.0 + 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, GeoTagging | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | feature not registered |
🧭 Sensors | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1600 mAh | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 11 hours | 5.6 hours |
| Standby | 280 hours (11.7 days) | 330 hours (13.8 days) |
➕ Other features | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| Call control | Voice dialing, Voice recorder | Voice recorder |
| Messaging | SMS (Swype), MMS, E-mail, Push mail | SMS, MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Samsung TouchWiz 3.0 UI • Touch focus • HAC M4/T4 • DLNA • WiFi hotspot Java framework | • Colors: Black • SHP OS • Dolphin 1.0 browser • 3D Sound Technology Java framework |
☢️ Radiation rate | ||
| Samsung Droid Charge (SCH-i510) | Samsung Star Duos (GT-B7722) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.01W/kg (head), 1W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |