Asus Zenfone Zoom (ZX551ML 128GB) vs Xiaomi Mi A1
Side by side comparison between Asus Zenfone Zoom (ZX551ML) vs Xiaomi Mi A1 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
12
MP
MP
5mp
4GB
RAM
RAM
Octa-core
3080
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi A1
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!
5 Advantages 
17 Advantages | 28 Common items in both devices |
| 4GB LPDDR3 |
| TFT IPS LCD / LTPS IPS LCD |
| 16 million |
| 1080x1920 pixels |
| 401 PPI |
| 5.5" |
| Dual-LED flash |
| +21 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 Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| Model | Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 |
| Other model names | Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML | Xiaomi A1 MDG2, Xiaomi Mi A1 Android One, Xiaomi Tiffany |
| Country or region available |   (Latin America), (Europe) |      (Europe), Hong Kong, India, Indonesia, (Global, International), Vietnam |
| Brand | Asus | Xiaomi |
| Release date | 12/1/2015 | 9/12/2017 |
| Depth | 12 millimeters (0.47 inches) | 7.3 millimeters (0.29 inches) |
| Size (width x height) | 78.8 x 158.9 millimeters (3.1 x 6.26 in) | 75.8 x 155.4 millimeters (2.98 x 6.12 in) |
| Weight | 185 grams (6.48 ounces) | 165 grams (5.78 ounces) |
| Build, materials | Aluminum frame, glass front, leather back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| Display type | TFT IPS LCD | LTPS IPS LCD |
| Screen size | 5.5" inches | 5.5" inches |
| Screen-to-body ratio | ~66.6% (screen-to-body ratio) | ~70.8% (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 4 | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| System version | Android 5.0.2 Lollipop | Android 7.1.2 Nougat |
| Firmware update | Android 6.0 Marshmallow | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| Chipset | 64bit: Intel Atom Z3590 (22nm) | 64bit: Qualcomm Snapdragon 625 MSM8953 (14nm) |
| CPU | Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core) | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | PowerVR G6430 MP4 | Qualcomm Adreno 506 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| RAM memory | 4GB LPDDR3 | 4GB LPDDR3 |
| Internal storage | 128GB (122GB available) | 64GB (54GB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 300/50 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 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28) | LTE Cat6 Global version: LTE 800/850/900/1800/2100/2600 (Bands 1,3,5,7,8,20) TD-LTE 2300/2600 (Bands 38,40) India version: LTE 850/1800/2100 (Bands 1,3,5) TD-LTE 2300/2500 (Bands 40,41) Hong Kong/Indonesia/Russia/Vietnam version: LTE 800/850/900/1700/1800/2100/2600 (Bands 1,3,4,5,7,8,20) TD-LTE 2300/2600 (Bands 38,40) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| Back camera (main camera) | 13 megapixels | (dual camera) 12 megapixels 12MP f/2.650mm |
| Main camera resolution | 4128x3096 pixels | 4000x3000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/2.7 (aperture) | f/2.2 (aperture) |
| Focal length | 28mm (lens) | 26mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.25µm pixel |
| Autofocus | LDAF: laser detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical 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 only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2560x1920 pixels | 2592x1944 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (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 | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, MKV, XviD |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Fingerprint sensor Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 3080 mAh |
| Charger, watts | 18W Wired fast charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| 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, 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 | • Colors: Black, Gold, Rose gold • Android One • Aluminum frame and back • Oleophobic coating screen • 450nit brightness screen • 2x optical zoom back camera • 720p@120fps slow motion • Fast battery charging • VoLTE |
☢️ Radiation rate | ||
| Asus Zenfone Zoom (ZX551ML 128GB) | Xiaomi Mi A1 | |
| 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 |