OnePlus 9 Pro (128GB) vs Samsung Star Duos (GT-B7722)
Side by side comparison between OnePlus 9 Pro vs Samsung Star Duos phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1440x3216
48
MP
MP
16mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
What's the better phone? OnePlus 9 Pro (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!
34 Advantages 
4 Advantages | 6 Common items in both devices |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| 2 slots (Dual-SIM) |
| + 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 | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| Model | OnePlus 9 Pro (128GB) | Star Duos (GT-B7722) |
| Other model names | OnePlus 9 Pro LE2123 (Global), LE2121 (India), LE2120(China) | Samsung GT-B7722/H, Samsung B7722i Duos |
| Country or region available |  (Global, International) | feature not registered |
| Brand | OnePlus | Samsung |
| Release date | 3/30/2021, Announced: 3/23/2021 | 6/1/2010 |
| Depth | 8.7 millimeters (0.34 inches) | 14.3 millimeters (0.56 inches) |
| Size (width x height) | 73.6 x 163.2 millimeters (2.9 x 6.43 in) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) |
| Weight | 197 grams (6.9 ounces) | 112 grams (3.92 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| Display type | Fluid AMOLED | TFT LCD |
| Screen size | 6.7" inches | 3.2" inches |
| Screen-to-body ratio | ~89.9% (screen-to-body ratio) | ~46.3% (screen-to-body ratio) |
| Display resolution | 1440x3216 pixels (20:9) | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 526 PPI | 146 PPI |
| Colors | 1 billion | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1300nits[peak] HDR10+ Always-On Display | feature not registered |
🤖 Operating System | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| System version | Android 11 | Proprietary OS |
| Firmware update | Android 13 | feature not registered |
| User Interface | OxygenOS 12 / 13 (Global) ColorOS 12 / 13 (China) | feature not registered |
⚙️ Processor | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 32bit |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| RAM memory | 8GB LPDDR5 | feature not registered |
| Internal storage | 128GB (101GB available) UFS 3.1 | 270MB |
| External storage | Not supported | Until 16GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 3.6 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 | CDMA 800 (China), GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO (China) UMTS 800/850/900/1700/1800/1900/2100 | UMTS 2100 |
| Primary 4G network | LTE Cat20 VoLTE Global: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) India: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41, 46) China: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41) | Not supported |
| Primary 5G network | SA/NSA Global: (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78) India: (41, 78) China: (1, 3, 28, 41, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Secondary 3G network | UMTS 800/850/900/1700/1800/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 VoLTE Global: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) India: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41, 46) China: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE |
📷 Camera | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP telephoto f/2.477mm1.0µmPDAFOIS3.3x-optical-zoom 50MP ultrawide f/2.214mm1/1.56"1.0µmAF 2MP monochrome f/2.4 | 5 megapixels |
| Main camera resolution | 8000x6000 pixels | 2560x1920 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | QVGA (320x240) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 23mm (lens) | feature not registered |
| Sensor size | 1/1.43" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | Autofocus |
| Touch focus | Supported | feature not registered |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Supported | feature not registered |
| HDR | HDR photo/video on both cameras | feature not registered |
| Camera extras | 4K@30/60/120fps 1080p@30/60/240fps Hasselblad Color Calibration Sony IMX689, IMX766. IMX471 sensor | feature not registered |
📸 Front camera | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| Front camera (secondary) | 16 megapixels | Not supported |
| Front camera resolution | 4608x3456 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | via Micro-USB |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS | Not supported |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4500 mAh | 1200 mAh |
| Charger, watts | 65W (10V/6.5A) Wired fast charging USB Power Delivery 1.0 | Wired charging |
| Inductive / wireless charging | 50W Qi Wireless charging (Qi/WPC) | feature not registered |
| Talk time autonomy | feature not registered | 5.6 hours |
| Standby | feature not registered | 330 hours (13.8 days) |
➕ Other features | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), 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 | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Stellar Black, Morning Mist, Pine Green | • Colors: Black • SHP OS • Dolphin 1.0 browser • 3D Sound Technology • Java framework |
☢️ Radiation rate | ||
| OnePlus 9 Pro (128GB) | Samsung Star Duos (GT-B7722) | |
| 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 |