Lenovo Z5s (128GB) vs Samsung Star Duos (GT-B7722)
Side by side comparison between Lenovo Z5s vs Samsung Star Duos phones, differences, pros, cons and full specifications. What's the better?
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6.3"
IPS
IPS
1080x2340
16
MP
MP
16mp
6GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
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What's the better phone? Lenovo Z5s (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!
33 Advantages 
3 Advantages | 6 Common items in both devices |
| PDAF: phase detection autofocus / Autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| FM / FM (RDS) |
| USB 2.0 Type-C reversible connector / MicroUSB 2.0 |
| + 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 | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| Model | Z5s (128GB) | Star Duos (GT-B7722) |
| Other model names | Lenovo Z5s L78071 (128GB + 6GB RAM) | Samsung GT-B7722/H, Samsung B7722i Duos |
| Country or region available |   China, Hong Kong | feature not registered |
| Brand | Lenovo | Samsung |
| Release date | 12/1/2018 | 6/1/2010 |
| Depth | 7.85 millimeters (0.31 inches) | 14.3 millimeters (0.56 inches) |
| Size (width x height) | 74.56 x 156.7 millimeters (2.94 x 6.17 in) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) |
| Weight | 172 grams (6.02 ounces) | 112 grams (3.92 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| Display type | LTPS IPS LCD | TFT LCD |
| Screen size | 6.3" inches | 3.2" inches |
| Screen-to-body ratio | ~83.4% (screen-to-body ratio) | ~46.3% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 409 PPI | 146 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| System version | Android 9.0 Pie | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| Chipset | 64bit: Qualcomm Snapdragon 710 SDM710 (10nm) | 32bit |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 616 500Mhz | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| RAM memory | 6GB LPDDR4X | feature not registered |
| Internal storage | 128GB (108GB available) eMMC 5.1 | 270MB |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 16GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | 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 | 300/50 Mbps | 3.6 Mbps |
| Network technology | 2G, 3G, 4G | 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, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 5, 7, 8, 20) TD-LTE (Bands, 34, 38, 39, 40, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | 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 | GPRS, EDGE, UMTS, HSDPA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| Back camera (main camera) | (triple camera) 16 megapixels 8MP telephoto f/2.4PDAF2x-optical-zoom 5MP depth f/2.4 | 5 megapixels |
| Main camera resolution | 4608x3456 pixels | 2560x1920 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | QVGA (320x240) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo on both cameras | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Lenovo Z5s (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/2.0 (aperture) | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/3.1" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM | 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 | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0 |
| Audio output | 3.5mm jack | via Micro-USB |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3300 mAh | 1200 mAh |
| Charger, watts | 15W Wired fast charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 19 hours | 5.6 hours |
| Standby | 290 hours (12.1 days) | 330 hours (13.8 days) |
➕ Other features | ||
| Lenovo Z5s (128GB) | Samsung Star Duos (GT-B7722) | |
| Call control | Voice dialing, Voice recorder | 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: Starry Night Grey, Love Orange, Titanium Blue • ZUI 10 | • Colors: Black • SHP OS • Dolphin 1.0 browser • 3D Sound Technology Java framework |
☢️ Radiation rate | ||
| Lenovo Z5s (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 |