Asus Zenfone Selfie (ZD551KL 16GB) vs Lenovo S820
Side by side comparison between Asus Zenfone Selfie vs Lenovo S820 phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
1080x1920
13
MP
MP
13mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Removable)
vs
4.7"
IPS
IPS
720x1280
12.6
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2000
mAh
mAh
(Removable)
What's the better phone? Asus Zenfone Selfie (ZD551KL 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!
20 Advantages 
3 Advantages | 22 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| Full HD (1920x1080) |
| Capacitive |
| +15 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 Selfie (ZD551KL 16GB) | Lenovo S820 | |
| Model | Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 |
| Other model names | Asus Zenfone Selfie Dual Sim ZD551KL | Lenovo S820 Dual Sim, Lenovo IdeaPhone S820, LePhone S820 |
| Country or region available |  (Global, International) | feature not registered |
| Brand | Asus | Lenovo |
| Release date | 7/1/2015 | 5/1/2013 |
| Depth | 10.8 millimeters (0.43 inches) | 8.95 millimeters (0.35 inches) |
| Size (width x height) | 77.2 x 156.5 millimeters (3.04 x 6.16 in) | 69.7 x 139.5 millimeters (2.74 x 5.49 in) |
| Weight | 170 grams (5.95 ounces) | 143 grams (5.01 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.5" inches | 4.7" inches |
| Screen-to-body ratio | ~69% (screen-to-body ratio) | ~62.6% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 4-points |
| Pixel density (dot pitch) | 401 PPI | 312 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| System version | Android 5.0.2 Lollipop | Android 4.2.1 Jelly Bean |
| Firmware update | Android 6.0 Marshmallow | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| Chipset | 64bit: Qualcomm Snapdragon 615 MSM8939 (28nm) | 32bit: MediaTek MT6589W |
| CPU | Octa-core, 2 processors: 4x 1.7GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 405 | PowerVR SGX544 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| RAM memory | 2GB LPDDR3 | 1GB LPDDR2 |
| Internal storage | 16GB (12GB available) | 4GB (2GB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 7.2/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM Asia: 900/1800/1900 - America: 850/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS Asia: 900/2100 - America: 850/1900 |
| Primary 4G network | LTE Cat4 800/850/900/1800/1900/2100/2600 (Bands 1,2,3,5,7,8,20) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM Asia: 900/1800/1900 - America: 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 Selfie (ZD551KL 16GB) | Lenovo S820 | |
| Back camera (main camera) | 13 megapixels | 12.6 megapixels |
| Main camera resolution | 4128x3096 pixels | 4096x3072 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.2" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| Front camera (secondary) | 13 megapixels | 2 megapixels |
| Front camera resolution | 4128x3096 pixels | 1600x1200 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | 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 Selfie (ZD551KL 16GB) | Lenovo S820 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 4.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| Battery type | LiPo: li-ion polymer (Removable) | LiPo: li-ion polymer (Removable) |
| Battery capacity | 3000 mAh | 2000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 23 hours | 10 hours |
| Standby | 255 hours (10.6 days) | 140 hours (5.8 days) |
➕ Other features | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| 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: Pure White, Chic Pink, Aqua Blue • ASUS ZenUI • ASUS TruVivid • Oleophobic coating on screen • Laser autofocus camera • Toshiba sensor camera • 5GB ASUS WebStorage • Beidou GPS | • Colors: Red • Lenovo UI • Corning Curved Glass • OpenGL ES 2.0 • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Asus Zenfone Selfie (ZD551KL 16GB) | Lenovo S820 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.539W/kg (head) |