Essential Phone PH-1 vs Asus Zenfone Zoom (ZX551ML 128GB)
Side by side comparison between Essential Phone PH-1 vs Asus Zenfone Zoom (ZX551ML) phones, differences, pros, cons and full specifications. What's the better?
,
5.71"
IPS
IPS
1312x2560
13
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3040
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
What's the better phone? Essential Phone PH-1
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!
24 Advantages 
5 Advantages | 23 Common items in both devices |
| 128GB (114GB available) / 128GB (122GB available) |
| 185 grams (6.48 ounces) |
| LTPS IPS LCD / TFT IPS LCD |
| 16 million |
| LDAF/PDAF: laser/phase detection autofocus / LDAF: laser detection autofocus |
| 4G LTE-A / 4G LTE |
| Capacitive |
| +16 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 | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Change model | ||
| Model | Phone PH-1 | Zenfone Zoom (ZX551ML 128GB) |
| Other model names | Essential PH-1 Unlocked | Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML |
| Country or region available |     (Europe), Canada, USA, Japan |  (Latin America), (Europe) |
| Brand | Essential | Asus |
| Release date | 8/1/2017, Announced: 5/8/2017 | 12/1/2015 |
| Depth | 7.8 millimeters (0.31 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 71.1 x 141.5 millimeters (2.8 x 5.57 in) | 78.8 x 158.9 millimeters (3.1 x 6.26 in) |
| Weight | 185 grams (6.48 ounces) | 185 grams (6.48 ounces) |
| Build, materials | Titanium frame, glass front, ceramic back | Aluminum frame, glass front, leather back |
| Protection against water and others | IP54 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Display type | LTPS IPS LCD | TFT IPS LCD |
| Screen size | 5.71" inches | 5.5" inches |
| Screen-to-body ratio | ~84.9% (screen-to-body ratio) | ~66.6% (screen-to-body ratio) |
| Display resolution | 1312x2560 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 504 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 4 |
| Refresh rate | 60Hz | feature not registered |
| Display features | 500nits[typ] | feature not registered |
🤖 Operating System | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| System version | Android 7.1 Nougat | Android 5.0.2 Lollipop |
| Firmware update | Android 10 | Android 6.0 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm) | 64bit: Intel Atom Z3590 (22nm) |
| CPU | Octa-core, 2 processors: 4x 2.45GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core) | Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 540 (670-710MHz) | PowerVR G6430 MP4 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| RAM memory | 4GB LPDDR4 | 4GB LPDDR3 |
| Internal storage | 128GB (114GB available) UFS 2.1 | 128GB (122GB available) |
| External storage | Not supported | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 1024/150 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 17, 20, 21, 25, 26, 28, 29, 30, 66) TD-LTE (38, 39, 40, 41, 42, 43) VoLTE | LTE Cat4 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Back camera (main camera) | (dual camera) 13 megapixels 13MP mono f/1.91/3.1"PDAF/Laser | 13 megapixels |
| Main camera resolution | 4128x3096 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.9 (aperture) | f/2.7 (aperture) |
| Focal length | feature not registered | 28mm (lens) |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | LDAF: laser detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Front camera (secondary) | 8 megapixels | 5 megapixels |
| Front camera resolution | 3264x2448 pixels | 2560x1920 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| 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 | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Loudspeaker | Mono sound with dual speakers | Supported |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, OGG, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/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, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3040 mAh | 3000 mAh |
| Charger, watts | 27W Wired fast charging USB Power Delivery 2.0 | 18W Wired fast charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| 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, White, Stellar Gray, Ocean Depths | • Colors: Black, White • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • Fast battery charging: 60% in 40min • Beidou GPS • 5GB Asus Webstorage |
☢️ Radiation rate | ||
| Essential Phone PH-1 | Asus Zenfone Zoom (ZX551ML 128GB) | |
| 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 |