Sony Ericsson Vivaz Pro (U8i) vs Asus Zenfone 5Z (ZS621KL 64GB)
Side by side comparison between Sony Ericsson Vivaz Pro vs Asus Zenfone 5Z phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.2"
IPS
IPS
1080x2246
12
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 5Z (ZS621KL 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!
3 Advantages 
32 Advantages | 13 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Accelerometer |
| Ambient light sensor |
| Hands-free calling |
| Video calling |
| +6 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 | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Model | Vivaz Pro (U8i) | Zenfone 5Z (ZS621KL 64GB) |
| Other model names | Sony Ericsson Vivaz Pro U8, SE Kanna | Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD |
| Country or region available |  (Global, International) |  India |
| Brand | Sony Ericsson | Asus |
| Release date | 5/1/2010 | 6/1/2018 |
| Depth | 15 millimeters (0.59 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 52 x 109 millimeters (2.05 x 4.29 in) | 75.65 x 153 millimeters (2.98 x 6.02 in) |
| Weight | 117 grams (4.1 ounces) | 165 grams (5.78 ounces) |
| Build, materials | Plastic body | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3.2" inches | 6.2" inches |
| Screen-to-body ratio | ~49.8% (screen-to-body ratio) | ~83.7% (screen-to-body ratio) |
| Display resolution | 360x640 pixels | 1080x2246 pixels (18.7:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 229 PPI | 402 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 550nits[typ] |
🤖 Operating System | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| System version | Symbian 9.4 S60 5th Edition Symbian^1 | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) |
| CPU | Single-core, 1 processor: 1x 720MHz ARM Cortex-A8 (Single-core) | Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) |
| GPU graphical controller | PowerVR SGX530 | Qualcomm Adreno 630 710Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| RAM memory | 256MB SDRAM | 6GB LPDDR4X |
| Internal storage | 512MB (75MB available) | 64GB (51GB available) UFS 2.1 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2/2 Mbps | 800/100 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 900/2100 | UMTS 800/850/900 |
| Primary 4G network | Not supported | LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Back camera (main camera) | 5 megapixels | (dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF |
| Main camera resolution | 2560x1920 pixels | 4000x3000 pixels |
| Video recording (primary) | HD (1280x720) 24 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | feature not registered | 1/2.55" inches |
| Pixel size | feature not registered | 1.4µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS (4-axis): Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| 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 | 24mm (lens) |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV, 3GP, RV | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WMA, WAV, RA, AAC, M4A | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Proprietary TV-out | Not supported |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Sensors | Accelerometer Ambient light sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Battery type | LiPo: li-ion polymer (Removable) EP500 | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1200 mAh | 3300 mAh |
| Charger, watts | Wired charging | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 5.2 hours | 25 hours (1 days) |
| Standby | 440 hours (18.3 days) | feature not registered |
➕ Other features | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| Call control | 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 | feature not registered | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black, White • 8GB microSD included • 3D stereo sound • Continuous autofocus • Touch capture • WisePilot navigation • Java framework | • Colors: Midnight Blue, Meteor Silver • 2.5D curved glass screen • 95% DCI-P3 coverage • Supports glove touch • ASUS ZenUI 5.0 • 24-bit/192kHz audio • DTS sound (only headphones) |
☢️ Radiation rate | ||
| Sony Ericsson Vivaz Pro (U8i) | Asus Zenfone 5Z (ZS621KL 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.04W/kg (head), 0.37W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.2W/kg (head), 1.477W/kg (body) |