Xiaomi Mi Mix 2S (128GB) vs Asus Zenfone 3 Ultra (ZU680KL 64GB)
Side by side comparison between Xiaomi Mi Mix 2S vs Asus Zenfone 3 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
5.99"
IPS
IPS
1080x2160
12
MP
MP
5mp
6GB
RAM
RAM
Octa-core
3400
mAh
mAh
(Non removable)
vs
6.8"
IPS+
IPS+
1080x1920
23
MP
MP
8mp
4GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi Mix 2S (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!
16 Advantages 
7 Advantages | 29 Common items in both devices |
| TFT IPS LCD / TFT Super IPS+ |
| 16 million |
| Dual-LED flash |
| PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus |
| OIS (4-axis): Optical stabilization |
| HDR photo on both cameras |
| 4K UHD (3840x2160) |
| +22 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 | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| Model | Xiaomi Mi Mix 2S (128GB) | Zenfone 3 Ultra (ZU680KL 64GB) |
| Other model names | 小米MIX 2S, Xiaomi Mix 2S (128GB + 6GB RAM), Xiaomi Polaris | Asus Zenfone 3 Ultra 4GB/64GB ZU680KL Dual-Sim, Asus Mercury |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | Asus |
| Release date | 4/3/2018 | 8/1/2016 |
| Depth | 8.1 millimeters (0.32 inches) | 6.8 millimeters (0.27 inches) |
| Size (width x height) | 74.9 x 150.86 millimeters (2.95 x 5.94 in) | 93.9 x 186.4 millimeters (3.7 x 7.34 in) |
| Weight | 189 grams (6.62 ounces) | 233 grams (8.16 ounces) |
| Build, materials | Aluminum body, glass front, ceramic back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| Display type | TFT IPS LCD | TFT Super IPS+ |
| Screen size | 5.99" inches | 6.8" inches |
| Screen-to-body ratio | ~81.9% (screen-to-body ratio) | ~72.8% (screen-to-body ratio) |
| Display resolution | 1080x2160 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 403 PPI | 324 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 4 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| System version | Android 8.0 Oreo | Android 6.0.1 Marshmallow |
| Firmware update | Android 10 | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Qualcomm Snapdragon 652 MSM8976 (28nm) |
| CPU | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core) | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 630 710Mhz | Qualcomm Adreno 510 600Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| RAM memory | 6GB LPDDR4X | 4GB LPDDR4 |
| Internal storage | 128GB (118GB available) UFS 2.1 | 64GB (55GB available) |
| External storage | Not supported | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) |
| Maximum Download / Upload | 1200/100 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 | CDMA 800/1900/2100, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 M1803D5XA Global version: UMTS 800/850/900/1700/1800/1900/2100 M1803D5XE/M1803D5XC/M1803D5XT versions: UMTS 850/900/1700/1900/2100 | Global version: UMTS 800/850/900/1900/2100 China version: CDMA2000, TD-SCDMA 1900/2000 UMTS 800/850/900/1900/2100 |
| Primary 4G network | LTE Cat18 M1803D5XA Global version: LTE (Bands 1,2,3,4,5,7,8,12,13,17,18,19,20,25,26,27,28,29,30) TD-LTE (Bands 34,38,39,40,41) M1803D5XE/M1803D5XC/M1803D5XT versions: LTE (Bands 1,2,3,4,5,7,8,12,17,20) TD-LTE (Bands 34,38,39,40,41) | 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) |
| 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, CDMA2000 EV-DO Rev A, TD-SCDMA, 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 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 12MP f/2.41/3.4"1µmAF | 23 megapixels |
| Main camera resolution | 4000x3000 pixels | 5520x4140 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 24 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.55" inches | 1/2.6" inches |
| Pixel size | 1.4µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | OIS (4-axis): Optical stabilization |
| Zoom | Digital and optical 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 | feature not registered |
📸 Front camera | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| Front camera (secondary) | 5 megapixels | 8 megapixels |
| Front camera resolution | 2560x1920 pixels | 3264x2448 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 | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| 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, OGG, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C reversible connector |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | Not supported | USB Type-C SlimPort® |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + 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, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3400 mAh | 4600 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | Qi wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 34 hours (1.4 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| 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 • MIUI 9.5 • HDR10 display support • Quick Charge 3.0 • Type-C to 3.5 mm headphone jack adapter • VoLTE | • 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 |
☢️ Radiation rate | ||
| Xiaomi Mi Mix 2S (128GB) | Asus Zenfone 3 Ultra (ZU680KL 64GB) | |
| 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 |