Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) vs Samsung Star Duos (GT-B7722)
Side by side comparison between Asus Zenfone 4 Selfie Pro vs Samsung Star Duos phones, differences, pros, cons and full specifications. What's the better?
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5.5"
AMOLED
AMOLED
1080x1920
16
MP
MP
12mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
What's the better phone? Asus Zenfone 4 Selfie Pro (ZD552KL 32GB)
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!
30 Advantages 
3 Advantages | 7 Common items in both devices |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| FM / FM (RDS) |
| 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 | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Samsung Star Duos (GT-B7722) | |
| Model | Zenfone 4 Selfie Pro (ZD552KL 32GB) | Star Duos (GT-B7722) |
| Other model names | Asus Zenfone Selfie Pro ZD552KL (32GB) | Samsung GT-B7722/H, Samsung B7722i Duos |
| Country or region available |  Brazil | feature not registered |
| Brand | Asus | Samsung |
| Release date | 9/14/2017 | 6/1/2010 |
| Depth | 6.85 millimeters (0.27 inches) | 14.3 millimeters (0.56 inches) |
| Size (width x height) | 74.8 x 154 millimeters (2.94 x 6.06 in) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) |
| Weight | 147 grams (5.15 ounces) | 112 grams (3.92 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Samsung Star Duos (GT-B7722) | |
| Display type | AMOLED | TFT LCD |
| Screen size | 5.5" inches | 3.2" inches |
| Screen-to-body ratio | ~72.4% (screen-to-body ratio) | ~46.3% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 401 PPI | 146 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Samsung Star Duos (GT-B7722) | |
| System version | Android 7.0 Nougat | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Samsung Star Duos (GT-B7722) | |
| Chipset | 64bit: Qualcomm Snapdragon 625 MSM8953 (14nm) | 32bit |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 506 650Mhz | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Samsung Star Duos (GT-B7722) | |
| RAM memory | 3GB LPDDR3 | feature not registered |
| Internal storage | 32GB (22GB 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 | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | 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 | 150/50 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Global version: UMTS 850/900/2100 USA/Brazil version: UMTS 850/900/1700/1900/2100 Taiwan/Japan/Hong Kong version: UMTS 800/850/900/1900/2100 | UMTS 2100 |
| Primary 4G network | LTE Cat4 Global version: LTE (Bands 1,3,5,7,8,20) TD-LTE (Bands 40) USA/Brazil version: LTE (Bands 1,2,3,4,5,7,8,12,17,28) Taiwan/Japan/Hong Kong version: LTE (Bands 1,3,5,7,8,18,19,26,28) TD-LTE (Bands 38,41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | 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 | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Samsung Star Duos (GT-B7722) | |
| Back camera (main camera) | 16 megapixels | 5 megapixels |
| Main camera resolution | 4608x3456 pixels | 2560x1920 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | QVGA (320x240) 30 fps |
| Flash | Dual-LED on main camera and LED on front camera | LED flash |
| Focal aperture | feature not registered | 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 | Only digital 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 | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Samsung Star Duos (GT-B7722) | |
| Front camera (secondary) | (dual front camera) 12 megapixels 8MP 12mm120° | Not supported |
| Front camera resolution | 4000x3000 pixels | Not supported |
| Video recording (secondary) | 4K UHD (3840x2160) | Not supported |
| Front flash | LED | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 25mm (lens) | feature not registered |
| Sensor size | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | 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.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Samsung Star Duos (GT-B7722) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | via Micro-USB |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Samsung Star Duos (GT-B7722) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor | Accelerometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Samsung Star Duos (GT-B7722) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3000 mAh | 1200 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 30 hours (1.3 days) | 5.6 hours |
| Standby | feature not registered | 330 hours (13.8 days) |
➕ Other features | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | 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: Rouge Red, Sunlight Gold, Deepsea Black • Metal body • ASUS ZenUI 4.0 • 2.5D screen glass • DTS sound enhancement • Hi-Res audio • 24-bit/192kHz audio • Slow motion 720p@120fps • Sony IMX362 sensor front camera • DuoPixel 24MP (2x12MP) front camera • Fast battery charging • VoLTE | • Colors: Black • SHP OS • Dolphin 1.0 browser • 3D Sound Technology Java framework |
☢️ Radiation rate | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | 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 |