Huawei P20 Pro (AL00 256GB) vs Asus Zenfone Zoom (ZX551ML 128GB)
Side by side comparison between Huawei P20 Pro vs Asus Zenfone Zoom (ZX551ML) phones, differences, pros, cons and full specifications. What's the better?
,
6.1"
AMOLED
AMOLED
1080x2240
40
MP
MP
24mp
6GB
RAM
RAM
Octa-core
4000
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? Huawei P20 Pro (AL00 256GB)
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!
26 Advantages 
5 Advantages | 18 Common items in both devices |
| 16 million |
| Digital and optical zoom |
| PDAF: phase detection autofocus / LDAF: laser detection autofocus |
| OIS (6-axis): Optical stabilization / OIS: Optical stabilization |
| (front) HD (1280x720) |
| 4G LTE-A / 4G LTE |
| Capacitive |
| +11 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 | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Model | P20 Pro (AL00 256GB) | Zenfone Zoom (ZX551ML 128GB) |
| Other model names | Huawei P20 Pro CLT-AL00 Dual-Sim, Huawei Charlotte | Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML |
| Country or region available |   China, Hong Kong |   (Latin America), (Europe) |
| Brand | Huawei | Asus |
| Release date | 4/1/2018 | 12/1/2015 |
| Depth | 7.8 millimeters (0.31 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 73.9 x 155 millimeters (2.91 x 6.1 in) | 78.8 x 158.9 millimeters (3.1 x 6.26 in) |
| Weight | 180 grams (6.3 ounces) | 185 grams (6.48 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front, leather back |
| Protection against water and others | IP67 certified: dust proof and waterproof over 1 meter and 30min | Not supported |
📲 Display | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Display type | AMOLED | TFT IPS LCD |
| Screen size | 6.1" inches | 5.5" inches |
| Screen-to-body ratio | ~82% (screen-to-body ratio) | ~66.6% (screen-to-body ratio) |
| Display resolution | 1080x2240 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 408 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| System version | Android 8.1 Oreo | Android 5.0.2 Lollipop |
| Firmware update | Android 10 | Android 6.0 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Chipset | 64bit: HiSilicon Kirin 970 (10nm) | 64bit: Intel Atom Z3590 (22nm) |
| CPU | Octa-core, 2 processors: 4x 2.36GHz ARM Cortex-A73 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core) |
| GPU graphical controller | ARM Mali-G72 MP12 850Mhz | PowerVR G6430 MP4 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| RAM memory | 6GB LPDDR4 | 4GB LPDDR3 |
| Internal storage | 256GB (243GB available) UFS 2.1 | 128GB (122GB available) |
| External storage | Not supported | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 1200/50 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat18 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 12, 17, 19, 20) TD-LTE (Bands 34, 38, 39, 40, 41) 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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | CDMA 800, GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat18 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 12, 17, 19, 20) TD-LTE (Bands 34, 38, 39, 40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Back camera (main camera) | (triple camera) 40 megapixels 20MP mono f/1.627mm1/2.7"PDAF/LaserOISwide 8MP telephoto f/2.480mm1/4.0"PDAF/LaserOIS3x-optical-zoom | 13 megapixels |
| Main camera resolution | 7296x5472 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/1.8 (aperture) | f/2.7 (aperture) |
| Focal length | 27mm lens | 28mm lens |
| Sensor size | 1/1.7" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF: phase detection autofocus | LDAF: laser detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (6-axis): Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Front camera (secondary) | 24 megapixels | 5 megapixels |
| Front camera resolution | 5632x4224 pixels | 2560x1920 pixels |
| Video recording (secondary) | HD (1280x720) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.9µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | 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 | 4.2 + A2DP | 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, GALILEO | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor Temperature | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Huawei P20 Pro (AL00 256GB) | Asus Zenfone Zoom (ZX551ML 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4000 mAh | 3000 mAh |
| Charger, watts | 22.5W Wired fast charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 22 hours | feature not registered |
| Standby | 528 hours (22 days) | feature not registered |
➕ Other features | ||
| Huawei P20 Pro (AL00 256GB) | 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, Gold, Pink, Blue • EMUI 8.1 • Triple back camera with Leica optics • 32-bit/384kHz audio • Fast battery charging (58% in 30min) | • 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 | ||
| Huawei P20 Pro (AL00 256GB) | 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 |