Asus Zenfone 2 (ZE551ML 32GB) vs Asus Zenfone Selfie (ZD551KL 16GB)
Side by side comparison between Asus Zenfone 2 vs Asus Zenfone Selfie phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1080x1920
13
MP
MP
13mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Removable)
What's the better phone? Asus Zenfone 2 (ZE551ML 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!
 4 Advantages Asus Zenfone 2 (ZE551ML 32GB) | vs |  4 Advantages Asus Zenfone Selfie (ZD551KL 16GB) |
| +2.3GHz 64bit Quad-core31% More powerful processor, you can open your applications faster | vs | 1.7GHz 64bit Octa-core |
| +4GB LPDDR3100% More RAM memory. Typically more responsive and better for multitasking. | vs | 2GB LPDDR3 |
| +32GB (28GB available)133% More internal storage for applications and files | vs | 16GB (12GB available) |
| +NFCAdvantage NFC allows you to make payments by approach quickly and securely | vs | Not supported |
| 10.9 millimeters (0.43 inches) | vs | +10.8 millimeters (0.43 inches)1% Thinner |
| (front) 5MP | vs | +(front) 13MP160% Higher resolution secondary camera to take pictures and selfies |
| (front) HD (1280x720) | vs | +(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera |
| LiPo: li-ion polymer (Non removable) | vs | +LiPo: li-ion polymer (Removable)Advantage Removable battery can be replaced easily |
| 34 Common items in both devices |
| Until 64GB microSD, microSDXC |
| 170 grams (5.95 ounces) |
| TFT IPS LCD |
| 16 million |
| 1080x1920 pixels |
| 401 PPI |
| 5.5" |
| +27 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 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Model | Zenfone 2 (ZE551ML 32GB) | Zenfone Selfie (ZD551KL 16GB) |
| Other model names | Asus Zenfone 2 ZE551ML Dual-sim (32GB + 4GB RAM) | Asus Zenfone Selfie Dual Sim ZD551KL |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Asus | Asus |
| Release date | 3/1/2015 | 7/1/2015 |
| Depth | 10.9 millimeters (0.43 inches) | 10.8 millimeters (0.43 inches) |
| Size (width x height) | 77.2 x 152.5 millimeters (3.04 x 6 in) | 77.2 x 156.5 millimeters (3.04 x 6.16 in) |
| Weight | 170 grams (5.95 ounces) | 170 grams (5.95 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| 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) | ~69% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 401 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 4 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| System version | Android 5.0 Lollipop | Android 5.0.2 Lollipop |
| Firmware update | Android 6.0 Marshmallow | Android 6.0 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Chipset | 64bit: Intel Atom Z3580 | 64bit: Qualcomm Snapdragon 615 MSM8939 (28nm) |
| CPU | Quad-core, 1 processor: 4x 2.3GHz Intel Silvermont (Quad-core) | Octa-core, 2 processors: 4x 1.7GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR G6430 MP4 | Qualcomm Adreno 405 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| RAM memory | 4GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 32GB (28GB available) | 16GB (12GB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 150/50 Mbps | 150/50 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 | 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 850/900/1900/2100 |
| Primary 4G network | LTE Cat4 800/850/900/1700/1800/1900/2100/2600 Bands (1,2,3,4,5,7,8,20) - USA: 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,17,20) | LTE Cat4 800/850/900/1800/1900/2100/2600 (Bands 1,2,3,5,7,8,20) |
| 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 850/900/1800/1900 |
| 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 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| 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 | Dual-LED flash |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.2" inches |
| 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 | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Front camera (secondary) | 5 megapixels | 13 megapixels |
| Front camera resolution | 2560x1920 pixels | 4128x3096 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| 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 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL |
| 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/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Removable) |
| Battery capacity | 3000 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 23 hours |
| Standby | feature not registered | 255 hours (10.6 days) |
➕ Other features | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| 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 • Asus BoostMaster 18W adapter included | • 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 |
☢️ Radiation rate | ||
| Asus Zenfone 2 (ZE551ML 32GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| 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 |