Asus Zenfone 2 (ZE550ML) vs Quantum Sky
Side by side comparison between Asus Zenfone 2 vs Quantum Sky phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1080x1920
13
MP
MP
16mp
4GB
RAM
RAM
Octa-core
4010
mAh
mAh
(Non removable)
What's the better phone? Quantum Sky
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 
15 Advantages | 28 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| 5.5" |
| (back) 13MP |
| Only digital zoom |
| Autofocus |
| f/2.0 (aperture) |
| +21 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 2 (ZE550ML) | Quantum Sky | |
| Model | Zenfone 2 (ZE550ML) | Quantum Sky |
| Other model names | Asus Zenfone 2 ZE550ML Dual-sim | Positivo Quantum Sky 4G 64GB, Quantum Sky QX1 |
| Country or region available | feature not registered |  Brazil |
| Brand | Asus | Quantum |
| Release date | 3/1/2015 | 8/29/2017 |
| Depth | 10.9 millimeters (0.43 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 77.2 x 152.5 millimeters (3.04 x 6 in) | 76.5 x 154.5 millimeters (3.01 x 6.08 in) |
| Weight | 170 grams (5.95 ounces) | 182 grams (6.37 ounces) |
| Build, materials | feature not registered | Aluminum body, glass front, aluminum back with plastic ends |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.5" inches | 5.5" inches |
| Screen-to-body ratio | ~70.8% (screen-to-body ratio) | ~70.6% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 2.5D glass |
🤖 Operating System | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| System version | Android 5.0 Lollipop | Android 7.0 Nougat |
| Firmware update | Android 6.0 Marshmallow | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| Chipset | 64bit: Intel Atom Z3560 | 64bit: MediaTek Helio P10 (MT6755) (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.8GHz Intel Silvermont (Quad-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR G6430 MP4 | ARM Mali-T860 MP2 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| RAM memory | 2GB LPDDR3 | 4GB LPDDR3 |
| Internal storage | 16GB (12GB available) | 64GB (53GB available) eMMC 5.1 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| 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) micro-SIM (3FF) | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Tri-Band 850/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat4 700/800/850/900/1700/1800/1900/2100/2600 (Band 1,2,3,4,5,7,8,17,20) - Taiwan: 700/850/900/1700/1900/2100/2600 (Bands 3,4,5,7,8,12,28) | LTE Cat6 (1, 2, 3, 4, 5, 7, 28) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| Back camera (main camera) | 13 megapixels | 13 megapixels |
| Main camera resolution | 4128x3096 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash on both cameras |
| Focal aperture | f/2.0 (aperture) | 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 | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | Sony IMX258 (back) Samsung S5K3P3 (front) |
📸 Front camera | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| Front camera (secondary) | 5 megapixels | 16 megapixels |
| Front camera resolution | 2560x1920 pixels | 4608x3456 pixels |
| Video recording (secondary) | HD (1280x720) | HD (1280x720) |
| Front flash | Not supported | LED |
| 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 | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Pedometer Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 4010 mAh |
| Charger, watts | Wired charging | 10W Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 28 hours (1.2 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Gold, Gray, Red, White • Asus ZenUI • Fast battery charging: 60% in 40min • 5GB free ASUS WebStorage • OpenGL 3.0 | • Colors: Silver, Gold • Screen protector included • Silicon case included |
☢️ Radiation rate | ||
| Asus Zenfone 2 (ZE550ML) | Quantum Sky | |
| 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 |