Asus Zenfone 3 Ultra (ZU680KL 128GB) vs Xiaomi Mi A3 (128GB)
Side by side comparison between Asus Zenfone 3 Ultra vs Xiaomi Mi A3 phones, differences, pros, cons and full specifications. What's the better?
,
6.8"
IPS+
IPS+
1080x1920
23
MP
MP
8mp
4GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Non removable)
vs
6.088"
AMOLED
AMOLED
720x1560
48
MP
MP
32mp
4GB
RAM
RAM
Octa-core
4030
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi A3 (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!
7 Advantages 
12 Advantages | 31 Common items in both devices |
| 4GB LPDDR4 / 4GB LPDDR4X |
| 128GB (118GB available) / 128GB (109GB available) |
| 16 million |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus |
| HDR photo on both cameras |
| 4K UHD (3840x2160) |
| +24 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 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| Model | Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) |
| Other model names | Asus Zenfone 3 Ultra 4GB/128GB ZU680KL DualSim, Asus Mercury | Xiaomi Mi A3 (Android One), M1906F9SH, M1906F9SI |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Xiaomi |
| Release date | 8/1/2016 | 7/24/2019, Announced: 7/17/2019 |
| Depth | 6.8 millimeters (0.27 inches) | 8.5 millimeters (0.33 inches) |
| Size (width x height) | 93.9 x 186.4 millimeters (3.7 x 7.34 in) | 71.85 x 153.48 millimeters (2.83 x 6.04 in) |
| Weight | 233 grams (8.16 ounces) | 174 grams (6.09 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| Display type | TFT Super IPS+ | Super AMOLED |
| Screen size | 6.8" inches | 6.088" inches |
| Screen-to-body ratio | ~72.8% (screen-to-body ratio) | ~82.5% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 720x1560 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 324 PPI | 282 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| System version | Android 6.0.1 Marshmallow | Android 9.0 Pie |
| Firmware update | Android 8.0 Oreo | Android 11 |
| User Interface | feature not registered | Android One |
⚙️ Processor | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 652 MSM8976 (28nm) | 64bit: Qualcomm Snapdragon 665 (SM6125) (11nm) |
| CPU | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 510 600Mhz | Qualcomm Adreno 610 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| RAM memory | 4GB LPDDR4 | 4GB LPDDR4X |
| Internal storage | 128GB (118GB available) | 128GB (109GB available) UFS 2.1 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 450/50 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 | Global version: UMTS 800/850/900/1900/2100 China version: CDMA2000, TD-SCDMA 1900/2000 UMTS 800/850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 Global version: LTE (Bands 1,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,40,41) China version: LTE (Bands 1,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41) | LTE Cat9 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| Back camera (main camera) | 23 megapixels | (triple camera) 48 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP depth f/2.4 |
| Main camera resolution | 5520x4140 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 24 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.6" inches | 1/2" inches |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital 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 on both cameras |
| Camera extras | feature not registered | 1080p@120fps |
📸 Front camera | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| Front camera (secondary) | 8 megapixels | 32 megapixels |
| Front camera resolution | 3264x2448 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C SlimPort® | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| 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 | Not supported | Not supported |
| Infrared port | Supported | Supported |
🧭 Sensors | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4600 mAh | 4030 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 18W (9V/2A) Wired fast charging Quick Charge 3 |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 34 hours (1.4 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (128GB) | |
| 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: Titanium Gray, Glacier Silver, Rose Gold • USB OTG On-The-Go • Asus ZenUI 3.0 • Sony IMX318 sensor camera • DTS headphone • Hi-Res audio 192kHz/24bit • Quick Charge 3.0 • Fast charging battery: 60% in 45min • Miracast | • Colors: Gray, White, Blue |
☢️ Radiation rate | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Xiaomi Mi A3 (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 |