Asus ROG Phone 2 (128GB) vs Asus Zenfone Selfie (ZD551KL 16GB)
Side by side comparison between Asus ROG Phone 2 vs Asus Zenfone Selfie phones, differences, pros, cons and full specifications. What's the better?
,
6.59"
AMOLED
AMOLED
1080x2340
48
MP
MP
24mp
8GB
RAM
RAM
Octa-core
6000
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 ROG Phone 2 (128GB)
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!
25 Advantages 
5 Advantages | 21 Common items in both devices |
| Dual-LED flash |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| BSI sensor |
| (front) Full HD (1920x1080) |
| 4G LTE-A / 4G LTE |
| Capacitive |
| +14 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 ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Model | ROG Phone 2 (128GB) | Zenfone Selfie (ZD551KL 16GB) |
| Other model names | Asus ROG Phone II ZS660KL (128GB + 8GB RAM) | Asus Zenfone Selfie Dual Sim ZD551KL |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Asus |
| Release date | 8/1/2019, Announced: 7/22/2019 | 7/1/2015 |
| Depth | 9.78 millimeters (0.39 inches) | 10.8 millimeters (0.43 inches) |
| Size (width x height) | 77.6 x 170.99 millimeters (3.06 x 6.73 in) | 77.2 x 156.5 millimeters (3.04 x 6.16 in) |
| Weight | 240 grams (8.4 ounces) | 170 grams (5.95 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass 3 | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Display type | AMOLED | TFT IPS LCD |
| Screen size | 6.59" inches | 5.5" inches |
| Screen-to-body ratio | ~80.3% (screen-to-body ratio) | ~69% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 391 PPI | 401 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass 4 |
| Refresh rate | 120Hz | feature not registered |
| Display features | 600nits[typ] HDR10 108% DCI-P3 1ms response | feature not registered |
🤖 Operating System | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| System version | Android 9.0 Pie | Android 5.0.2 Lollipop |
| Firmware update | Android 11 | Android 6.0 Marshmallow |
| User Interface | ROG UI | feature not registered |
⚙️ Processor | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) | 64bit: Qualcomm Snapdragon 615 MSM8939 (28nm) |
| CPU | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core) | Octa-core, 2 processors: 4x 1.7GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (672MHz) | Qualcomm Adreno 405 |
| Performance (benchmark) | AnTuTu: 398936 (v7), 483248 (v8) Geekbench: 10923 (v4.4) GFXBench: 40fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| RAM memory | 8GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (107GB available) UFS 3.0 | 16GB (12GB available) |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 1200/150 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 Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34) TD-LTE (38, 39, 40, 41, 46) | 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+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34) TD-LTE (38, 39, 40, 41, 46) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
📷 Camera | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Back camera (main camera) | (dual camera) 48 megapixels 13MP ultrawide f/2.411mm125° | 13 megapixels |
| Main camera resolution | 8000x6000 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2" inches | 1/3.2" inches |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | 4K@30/60fps 1080p@30/60 1080p@240fps (slow motion) 720p@480fps (slow motion) Sony IMX586 sensor | feature not registered |
📸 Front camera | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Front camera (secondary) | 24 megapixels | 13 megapixels |
| Front camera resolution | 5632x4224 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.9µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz DTS:X | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| USB | USB 3.1 Type-C reversible connector | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Micro-B USB MHL |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ad [wifi5/ad] (2.4GHz, 5GHz, 60GHz) + MIMO 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, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Removable) |
| Battery capacity | 6000 mAh | 3000 mAh |
| Charger, watts | 30W (10V/3A) Wired fast charging 10W Reverse charging by cable Quick Charge 4 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 23 hours |
| Standby | feature not registered | 255 hours (10.6 days) |
➕ Other features | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Selfie (ZD551KL 16GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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 | • 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 ROG Phone 2 (128GB) | 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 |