Samsung Star Duos (GT-B7722) vs Asus Zenfone 3 (5.2 ZE520KL 16GB)
Side by side comparison between Samsung Star Duos vs Asus Zenfone 3 phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.2"
IPS+
IPS+
1080x1920
16
MP
MP
8mp
2GB
RAM
RAM
Octa-core
2650
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 3 (5.2 ZE520KL 16GB)
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 / LDAF/PDAF: laser/phase detection autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| FM (RDS) |
| MicroUSB 2.0 / USB 2.0 Type-C, USB OTG On-The-Go |
| + 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) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| Change model | ||
| Model | Star Duos (GT-B7722) | Zenfone 3 (5.2 ZE520KL 16GB) |
| Other model names | Samsung GT-B7722/H, Samsung B7722i Duos | Zenfone 3 ZE520KL 2GB/16GB 5.2" Dual-SIM 1A090BR |
| Country or region available | feature not registered |      (Global, International), Brazil, China, Philippines, India |
| Brand | Samsung | Asus |
| Release date | 6/1/2010 | 7/12/2016 |
| Depth | 14.3 millimeters (0.56 inches) | 7.7 millimeters (0.3 inches) |
| Size (width x height) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) | 73.98 x 146.87 millimeters (2.91 x 5.78 in) |
| Weight | 112 grams (3.92 ounces) | 144 grams (5.04 ounces) |
| Build, materials | feature not registered | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| Display type | TFT LCD | TFT Super IPS+ |
| Screen size | 3.2" inches | 5.2" inches |
| Screen-to-body ratio | ~46.3% (screen-to-body ratio) | ~68.6% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1080x1920 pixels (16:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 146 PPI | 424 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 2.5D glass |
🤖 Operating System | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| System version | Proprietary OS | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | Android 8.0 Oreo |
| User Interface | feature not registered | ZenUI 3.0 |
⚙️ Processor | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 506 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| RAM memory | feature not registered | 2GB LPDDR3 |
| Internal storage | 270MB | 16GB (10GB 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) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| 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) micro-SIM (3FF) and 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 | Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 Global: LTE (1, 2, 3, 5, 7, 8, 20) India: LTE (1, 3, 5, 8) TD-LTE (40) Brazil: LTE (1, 2, 3, 4, 5, 7, 8, 17, 28) |
| 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 | Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| Back camera (main camera) | 5 megapixels | 16 megapixels |
| Main camera resolution | 2560x1920 pixels | 4608x3456 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| 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 | feature not registered |
| Autofocus | Autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | OIS (4-axis): Optical 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 | 4K@30fps 1080p@30/60fps |
📸 Front camera | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| 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 | feature not registered |
🔉 Sound and multimedia | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) 24-bit/192kHz |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| 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 | USB Type-C (reversible) |
| Bluetooth | 2.1 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| Sensors | Accelerometer | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1200 mAh | 2650 mAh |
| Charger, watts | Wired charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| 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) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| 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: Sapphire Black, Moonlight White, Shimmer Gold |
☢️ Radiation rate | ||
| Samsung Star Duos (GT-B7722) | Asus Zenfone 3 (5.2 ZE520KL 16GB) | |
| 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 |