Samsung Star Duos (GT-B7722) vs Xiaomi Redmi 6A (16GB China)
Side by side comparison between Samsung Star Duos vs Xiaomi Redmi 6A phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.45"
IPS
IPS
720x1440
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi 6A (16GB China)
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!
3 Advantages 
27 Advantages | 8 Common items in both devices |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| FM (RDS) / FM |
| + 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) | Redmi 6A (16GB China) | |
| Change model | ||
| Model | Star Duos (GT-B7722) | Redmi 6A (16GB China) |
| Other model names | Samsung GT-B7722/H, Samsung B7722i Duos | 红米6A, Xiaomi 6A 2GB RAM + 16GB (Hybrid slot), Xiaomi Cactus |
| Country or region available | feature not registered |   China, Hong Kong |
| Brand | Samsung | Xiaomi |
| Release date | 6/1/2010 | 6/1/2018 |
| Depth | 14.3 millimeters (0.56 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) | 71.5 x 147.5 millimeters (2.81 x 5.81 in) |
| Weight | 112 grams (3.92 ounces) | 145 grams (5.08 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3.2" inches | 5.45" inches |
| Screen-to-body ratio | ~46.3% (screen-to-body ratio) | ~72.7% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 720x1440 pixels |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 146 PPI | 295 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) | Redmi 6A (16GB China) | |
| System version | Proprietary OS | Android 8.1 Oreo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| Chipset | 32bit | 64bit: MediaTek MT6762M Helio A22 (12nm) |
| CPU | Single-core, 1 processor: Single-core | Quad-core, 1 processor: 4x 2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | feature not registered | PowerVR GE8300 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| RAM memory | feature not registered | 2GB LPDDR3 |
| Internal storage | 270MB | 16GB (10GB available) eMMC 5.1 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3.6 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 2100 | M1804C3CC/M1804C3CE/M1804C3CT versions: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 M1804C3CC/M1804C3CE/M1804C3CT versions: LTE (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | M1804C3CC/M1804C3CE/M1804C3CT versions: UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat4 M1804C3CC/M1804C3CE/M1804C3CT versions: LTE (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
📷 Camera | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| Back camera (main camera) | 5 megapixels | 13 megapixels |
| Main camera resolution | 2560x1920 pixels | 4128x3096 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| 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 | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| 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 | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| Front camera (secondary) | Not supported | 5 megapixels |
| Front camera resolution | Not supported | 2560x1920 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| 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) | Redmi 6A (16GB China) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | via Micro-USB | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| Sensors | Accelerometer | Accelerometer Ambient light sensor Compass Face unlock 2D Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1200 mAh | 3000 mAh |
| Charger, watts | Wired charging | 5W (5V/1A) Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5.6 hours | feature not registered |
| Standby | 330 hours (13.8 days) | feature not registered |
➕ Other features | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| Call control | Voice recorder | Voice dialing, 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 | HTML, XHTML, HTML5 |
| 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, Grey, Blue, Gold, Rose Gold • 2.5D curved glass screen • 18:9 screen • MIUI 9 |
☢️ Radiation rate | ||
| Samsung Star Duos (GT-B7722) | Redmi 6A (16GB China) | |
| 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 |