Samsung Star Duos (GT-B7722) vs Xiaomi Redmi 8 (32GB)
Side by side comparison between Samsung Star Duos vs Xiaomi Redmi 8 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.22"
IPS
IPS
720x1520
12
MP
MP
8mp
3GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi 8 (32GB)
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 
31 Advantages | 9 Common items in both devices |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| 2 slots (Dual-SIM) |
| +2 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 8 (32GB) | |
| Change model | ||
| Model | Star Duos (GT-B7722) | Redmi 8 (32GB) |
| Other model names | Samsung GT-B7722/H, Samsung B7722i Duos | Xiaomi Redmi 8 (3GB RAM + 32GB) M1908C3IC, MZB8255IN |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 6/1/2010 | 10/1/2019 |
| Depth | 14.3 millimeters (0.56 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) | 75.4 x 156.5 millimeters (2.97 x 6.16 in) |
| Weight | 112 grams (3.92 ounces) | 188 grams (6.58 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | P2i certified: water repellent nano-coating |
📲 Display | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3.2" inches | 6.22" inches |
| Screen-to-body ratio | ~46.3% (screen-to-body ratio) | ~81.8% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 720x1520 pixels |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 146 PPI | 270 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| System version | Proprietary OS | Android 9.0 Pie |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 505 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| RAM memory | feature not registered | 3GB LPDDR3 |
| Internal storage | 270MB | 32GB (21GB available) eMMC 5.1 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| 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) 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 2100 | M1908C3IC version: UMTS 850/900/1700/1900/2100 MZB8255IN version: UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 VoLTE M1908C3IC version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) MZB8255IN version: LTE (Bands 1, 3, 5, 8) TD-LTE (Bands 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| Back camera (main camera) | 5 megapixels | (dual camera) 12 megapixels 2MP depth |
| Main camera resolution | 2560x1920 pixels | 4000x3000 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.55" inches |
| Pixel size | feature not registered | 1.4µm pixel |
| 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 8 (32GB) | |
| Front camera (secondary) | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| 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, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, 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, GALILEO, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Supported |
🧭 Sensors | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| Sensors | Accelerometer | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1200 mAh | 5000 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5.6 hours | 28 hours (1.2 days) |
| Standby | 330 hours (13.8 days) | feature not registered |
➕ Other features | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| 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: Onyx Black, Ruby Red, Sapphire Blue, Green • MIUI 9 |
☢️ Radiation rate | ||
| Samsung Star Duos (GT-B7722) | Redmi 8 (32GB) | |
| 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 |