Samsung Galaxy S9 Plus (SM-G965U) vs Xiaomi Mi Mix Alpha
Side by side comparison between Samsung Galaxy S9 Plus vs Xiaomi Mi Mix Alpha phones, differences, pros, cons and full specifications. What's the better?
,
6.2"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
vs
7.92"
AMOLED
AMOLED
2088x2250
108
MP
MP
12GB
RAM
RAM
Octa-core
4050
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S9 Plus (SM-G965U)
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!
19 Advantages 
17 Advantages | 25 Common items in both devices |
| Super AMOLED / Flexible Super AMOLED |
| 16 million |
| Digital and optical zoom |
| PDAF on back camera and autofocus front camera / PDAF: phase detection autofocus |
| Android 10 |
| Capacitive |
| Multitouch |
| +18 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 | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| Model | Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha |
| Other model names | Unlocked Galaxy S9+ G965U (Snapdragon) | 小米MIX Alpha, Xiaomi Mix Alpha |
| Country or region available |  USA |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 3/9/2018, Announced: 2/25/2018 | 2/1/2020 |
| Depth | 8.5 millimeters (0.33 inches) | 10.4 millimeters (0.41 inches) |
| Size (width x height) | 73.8 x 158.1 millimeters (2.91 x 6.22 in) | 72.3 x 154.38 millimeters (2.85 x 6.08 in) |
| Weight | 189 grams (6.62 ounces) | 241 grams (8.44 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass 5 | Titanium frame, glass front, ceramic and glass back |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| Display type | Super AMOLED | Flexible Super AMOLED |
| Screen size | 6.2" inches | 7.92" inches |
| Screen-to-body ratio | ~83.6% (screen-to-body ratio) | ~180.8% (screen-to-body ratio) |
| Display resolution | 1440x2960 pixels (18.5:9) | 2088x2250 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 531 PPI | 388 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | HDR10 Always-On Display | feature not registered |
🤖 Operating System | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| System version | Android 8.0 Oreo | Android 10 |
| Firmware update | Android 10 | feature not registered |
| User Interface | One UI 2.5 | feature not registered |
⚙️ Processor | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| Chipset | 64bit: Qualcomm Snapdragon 845 (SDM845) (10nm) | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) |
| CPU | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 630 (710MHz) | Qualcomm Adreno 640 (672MHz) |
| Performance (benchmark) | AnTuTu: 265163 (v7), 344891 (v8) Geekbench: 8393 (4.2) | feature not registered |
💽 Memory and storage | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| RAM memory | 6GB LPDDR4X | 12GB LPDDR4X |
| Internal storage | 64GB (51GB available) UFS 2.1 | 512GB (494GB available) UFS 3.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 1200/150 Mbps | 2000/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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, 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 | TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 29, 30) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat20 (Bands 1, 2, 3, 4, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (Bands 41, 78, 79) |
| 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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| 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 | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| Back camera (main camera) | (dual camera) 12.2 megapixels 12MP telephoto f/2.41/3.4"52mm1.0µmAFOIS2x-optical-zoom | (triple camera) 108 megapixels 12MP telephoto f/2.054mm1/2.55"1.4µmPDAFLaserAF2x-optical-zoom 20MP ultrawide f/2.213mm1/2.8"1.0µmLaserAF |
| Main camera resolution | 4032x3024 pixels | 12000x9000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 6K UHD (5760x3240) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.5 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2.55" inches | 1/1.33" inches |
| Pixel size | 1.4µm pixel | 0.8µm pixel |
| Autofocus | PDAF on back camera and autofocus front camera | 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 | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo only main camera |
| Camera extras | 1080p@240fps 720p@960fps | feature not registered |
📸 Front camera | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| Front camera (secondary) | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 pixels | Not supported |
| Video recording (secondary) | 2K UHD (2560x1440) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | feature not registered |
| Focal length | 25mm (lens) | feature not registered |
| Sensor size | 1/3.6" inches | feature not registered |
| Pixel size | 1.22µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| 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) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Humidity Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3500 mAh | 4050 mAh |
| Charger, watts | 15W (9V/167A) Wired fast charging Quick Charge 2 | 40W Wired fast charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| 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, Silver, Blue, Gold, Orchid Gray • Samsung DeX • Samsung Gear VR • Samsung Pay | • Colors: Black • MIUI 11 |
☢️ Radiation rate | ||
| Galaxy S9 Plus (SM-G965U) | Xiaomi Mi Mix Alpha | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.78W/kg (head), 1.59W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |