Samsung Galaxy Gran Prime Duos (SM-G531H/DL) vs Samsung Star Duos (GT-B7722)
Side by side comparison between Samsung Galaxy Gran Prime Duos 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 Galaxy Gran Prime Duos (SM-G531H/DL)
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!
25 Advantages 
1 Advantage | 11 Common items in both devices |
| TFT LCD |
| LED flash |
| Only digital zoom |
| Autofocus |
| Accelerometer |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| +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 | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| Model | Galaxy Gran Prime Duos (SM-G531H/DL) | Star Duos (GT-B7722) |
| Other model names | Galaxy Grand Prime SM-G531H/DL (3G) | Samsung GT-B7722/H, Samsung B7722i Duos |
| Country or region available |  Brazil | feature not registered |
| Brand | Samsung | Samsung |
| Release date | 6/1/2015 | 6/1/2010 |
| Depth | 8.6 millimeters (0.34 inches) | 14.3 millimeters (0.56 inches) |
| Size (width x height) | 72.1 x 144.8 millimeters (2.84 x 5.7 in) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) |
| Weight | 156 grams (5.46 ounces) | 112 grams (3.92 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 5" inches | 3.2" inches |
| Screen-to-body ratio | ~66% (screen-to-body ratio) | ~46.3% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 220 PPI | 146 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| System version | Android 5.1.1 Lollipop | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| Chipset | 64bit: Marvell Armada PXA1908 (28nm) | 32bit |
| CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Vivante GC7000UL | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| RAM memory | 1GB LPDDR3 | feature not registered |
| Internal storage | 8GB (4GB available) eMMC | 270MB |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 16GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 42/5.76 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 850/900/1900/2100 | UMTS 2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | 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 | Supported | feature not registered |
| Image stabilization | feature not registered | 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 | HDR photo only main camera | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2592x1944 pixels | Not supported |
| Video recording (secondary) | HD (1280x720) | 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 | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | feature not registered |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | 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 | 4.1 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2600 mAh | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 14 hours | 5.6 hours |
| Standby | feature not registered | 330 hours (13.8 days) |
➕ Other features | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | 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, HTML5 | HTML, XHTML |
| Antenna | External retractable antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White, Black, Gold • Samsung TouchWiz UI • Samsung KIES | • Colors: Black • SHP OS • Dolphin 1.0 browser • 3D Sound Technology Java framework |
☢️ Radiation rate | ||
| Galaxy Gran Prime Duos (SM-G531H/DL) | Samsung Star Duos (GT-B7722) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.622W/kg (head), 0.438W/kg (body) | feature not registered |