Samsung Star Duos (GT-B7722) vs Samsung Galaxy S20 Ultra 5G (SM-G988B/DS)
Side by side comparison between Samsung Star Duos vs Samsung Galaxy S20 Ultra 5G phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.9"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S20 Ultra 5G (SM-G988B/DS)
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 
38 Advantages | 5 Common items in both devices |
| LED flash |
| Autofocus / PDAF: phase detection autofocus on both cameras |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| + 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) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| Change model | ||
| Model | Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) |
| Other model names | Samsung GT-B7722/H, Samsung B7722i Duos | Galaxy S20 Ultra 5G SM-G988B/Dual-Sim (Snapdragon, 12GB RAM) |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 6/1/2010 | 3/6/2020, Announced: 2/11/2020 |
| Depth | 14.3 millimeters (0.56 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) | 76 x 166.9 millimeters (2.99 x 6.57 in) |
| Weight | 112 grams (3.92 ounces) | 222 grams (7.77 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| Display type | TFT LCD | Dynamic AMOLED |
| Screen size | 3.2" inches | 6.9" inches |
| Screen-to-body ratio | ~46.3% (screen-to-body ratio) | ~90.6% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1440x3200 pixels (20:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 146 PPI | 509 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 6 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | HDR10+ Always-On Display 120Hz@FHD 60Hz@QHD |
🤖 Operating System | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| System version | Proprietary OS | Android 10 |
| Firmware update | feature not registered | Android 13 |
| User Interface | feature not registered | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| Chipset | 32bit | 64bit: Samsung Exynos 990 (7nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 3 processors: 2x 2.73GHz Mongoose M5 (Dual-core) 2x 2.5GHz ARM Cortex-A76 (Dual-core) 4x 2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | feature not registered | ARM Mali-G77 MP11 (800MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 415976 (v7), 514485 (v8) Geekbench: 12191 (v4.4), 2697 (v5.1) GFXBench: 21fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| RAM memory | feature not registered | 12GB LPDDR5 |
| Internal storage | 270MB | 128GB (104GB available) UFS 3.0 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| 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) + e-SIM |
| Maximum Download / Upload | 3.6 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G, 5G |
| 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 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 40, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| Back camera (main camera) | 5 megapixels | (quad camera) 108 megapixels 48MP periscope telephoto f/3.5103mm1/2.0"0.8µmPDAFOIS4x-optical-zoom10x-hybrid-zoom 12MP ultrawide f/2.213mm1.4µmSuper-Steady-video 0.3MP TOF 3D f/1.0 |
| Main camera resolution | 2560x1920 pixels | 12000x9000 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/1.33" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Supported |
| HDR | feature not registered | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| Front camera (secondary) | Not supported | 40 megapixels |
| Front camera resolution | Not supported | 7296x5472 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | feature not registered | 2 microphones |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| USB | MicroUSB 2.0 | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | via Micro-USB | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| Sensors | Accelerometer | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1200 mAh | 5000 mAh |
| Charger, watts | Wired charging | 45W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi wireless charging (Qi/PMA) 9W Reverse wireless charging |
| 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) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| 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: Cosmic Black, Cosmic Grey, Cloud White • Ultrasonic fingerprint sensor • Bixby • Samsung DeX • Samsung Pay (MST, NFC) |
☢️ Radiation rate | ||
| Samsung Star Duos (GT-B7722) | Galaxy S20 Ultra 5G (SM-G988B/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.74W/kg (head), 1.12W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.66W/kg (head), 1.557W/kg (body) |