Asus Zenfone Zoom (ZX550 64GB) vs Sony Ericsson Vivaz (U5a)
Side by side comparison between Asus Zenfone Zoom (ZX550) vs Sony Ericsson Vivaz phones, differences, pros, cons and full specifications. What's the better?
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5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
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What's the better phone? Asus Zenfone Zoom (ZX550 64GB)
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!
29 Advantages 
4 Advantages | 10 Common items in both devices |
| 16 million |
| LDAF: laser detection autofocus / Autofocus |
| Accelerometer |
| Ambient light sensor |
| Hands-free calling |
| Video calling |
| Vibrating alert |
| +3 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 Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| Model | Zenfone Zoom (ZX550 64GB) | Vivaz (U5a) |
| Other model names | Asus Zenfone Zoom ZX550 (Dual-Sim), Asus ZX550 | Sony Ericsson Vivaz U5A, SE Kurara |
| Country or region available |  (Global, International) |    (Latin America), Canada, USA |
| Brand | Asus | Sony Ericsson |
| Release date | 12/1/2015 | 3/4/2010 |
| Depth | 12 millimeters (0.47 inches) | 12.5 millimeters (0.49 inches) |
| Size (width x height) | 78.8 x 158.9 millimeters (3.1 x 6.26 in) | 51.7 x 107 millimeters (2.04 x 4.21 in) |
| Weight | 185 grams (6.48 ounces) | 97 grams (3.4 ounces) |
| Build, materials | Aluminum frame, glass front, leather back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 5.5" inches | 3.2" inches |
| Screen-to-body ratio | ~66.6% (screen-to-body ratio) | ~51% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 360x640 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 401 PPI | 229 PPI |
| Colors | 16 million | 16 million |
| 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 | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| System version | Android 5.0.2 Lollipop | Symbian 9.4 S60 5th Edition Symbian^1 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| Chipset | 64bit: Intel Atom Z3580 (22nm) | 32bit |
| CPU | Quad-core, 1 processor: 4x 2.3GHz Intel Silvermont (Quad-core) | Single-core, 1 processor: 1x 720MHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | PowerVR G6430 MP4 | PowerVR SGX530 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| RAM memory | 2GB LPDDR3 | 256MB SDRAM |
| Internal storage | 64GB (54GB available) | 512MB (75MB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 10.2/2 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 | UMTS 850/900/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29) TD-LTE (Bands 38, 39, 40, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| Back camera (main camera) | 13 megapixels | 8 megapixels |
| Main camera resolution | 4128x3096 pixels | 3264x2448 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 24 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.7 (aperture) | feature not registered |
| Focal length | 28mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | LDAF: laser detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical 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 | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2560x1920 pixels | Not supported |
| Video recording (secondary) | HD (1280x720) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| 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 Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, WMV, 3GP, RV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WMA, WAV, RA, AAC, M4A |
🔌 Connectivity | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Proprietary TV-out |
| Bluetooth | 4.0 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Removable) EP500 |
| Battery capacity | 3000 mAh | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 5.3 hours |
| Standby | feature not registered | 440 hours (18.3 days) |
➕ Other features | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| Call control | Voice dialing, Voice recorder | 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 | WAP, HTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • 5GB Asus Webstorage • Only one micro SIM card can connect to 3G/4G service at a time | • Colors: Black, Blue, Red, Gray, Light pink • 8GB microSD included • 3D stereo sound • Continuous autofocus • Touch capture • WisePilot navigation • Java framework |
☢️ Radiation rate | ||
| Asus Zenfone Zoom (ZX550 64GB) | Sony Ericsson Vivaz (U5a) | |
| 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 |