Samsung Star Duos (GT-B7722) vs Xiaomi Mi Max 3 (128GB)
Side by side comparison between Samsung Star Duos vs Xiaomi Mi Max 3 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.9"
IPS
IPS
1080x2160
12
MP
MP
8mp
6GB
RAM
RAM
Octa-core
5500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi Max 3 (128GB)
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 
31 Advantages | 7 Common items in both devices |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| FM (RDS) / FM |
| MicroUSB 2.0 / USB 2.0 Type-C reversible connector |
| + 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) | Xiaomi Mi Max 3 (128GB) | |
| Change model | ||
| Model | Star Duos (GT-B7722) | Xiaomi Mi Max 3 (128GB) |
| Other model names | Samsung GT-B7722/H, Samsung B7722i Duos | 小米Max 3, Xiaomi Max 3 6GB RAM M1804E4A, M1804E4C |
| Country or region available | feature not registered |   China, Hong Kong |
| Brand | Samsung | Xiaomi |
| Release date | 6/1/2010 | 7/1/2018 |
| Depth | 14.3 millimeters (0.56 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) | 87.4 x 176.15 millimeters (3.44 x 6.94 in) |
| Weight | 112 grams (3.92 ounces) | 221 grams (7.74 ounces) |
| Build, materials | feature not registered | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Star Duos (GT-B7722) | Xiaomi Mi Max 3 (128GB) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3.2" inches | 6.9" inches |
| Screen-to-body ratio | ~46.3% (screen-to-body ratio) | ~79.8% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1080x2160 pixels |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 146 PPI | 350 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Samsung Star Duos (GT-B7722) | Xiaomi Mi Max 3 (128GB) | |
| System version | Proprietary OS | Android 8.1 Oreo |
| Firmware update | feature not registered | Android 9.0 Pie |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Star Duos (GT-B7722) | Xiaomi Mi Max 3 (128GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 636 SDM636 (14nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 2 processors: 4x 1.8GHz Kryo 260 Gold (Quad-core) 4x 1.6GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 509 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Star Duos (GT-B7722) | Xiaomi Mi Max 3 (128GB) | |
| RAM memory | feature not registered | 6GB LPDDR4X |
| Internal storage | 270MB | 128GB (111GB 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) | Xiaomi Mi Max 3 (128GB) | |
| 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 | 300/50 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 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (Bands 1, 3, 4, 5, 7, 8, 20) 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, LTE-A |
| 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) | Xiaomi Mi Max 3 (128GB) | |
| Back camera (main camera) | 5 megapixels | (dual camera) 12 megapixels 5MP depth |
| Main camera resolution | 2560x1920 pixels | 4000x3000 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED on main camera and LED on front camera |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| 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) | Xiaomi Mi Max 3 (128GB) | |
| 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 | LED |
| 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) | Xiaomi Mi Max 3 (128GB) | |
| 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.265, H.264, H.263, DivX, XviD, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Star Duos (GT-B7722) | Xiaomi Mi Max 3 (128GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | via Micro-USB | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Supported |
🧭 Sensors | ||
| Samsung Star Duos (GT-B7722) | Xiaomi Mi Max 3 (128GB) | |
| Sensors | Accelerometer | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star Duos (GT-B7722) | Xiaomi Mi Max 3 (128GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1200 mAh | 5500 mAh |
| Charger, watts | Wired charging | 18W (9V/2A) Wired fast 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) | Xiaomi Mi Max 3 (128GB) | |
| 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, Champagne Gold, Blue • MIUI 9.5 • Quick Charge 3.0 |
☢️ Radiation rate | ||
| Samsung Star Duos (GT-B7722) | Xiaomi Mi Max 3 (128GB) | |
| 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 |