Xiaomi Mi Mix Alpha vs Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/8GB)
Side by side comparison between Xiaomi Mi Mix Alpha vs Samsung Galaxy A9 (2018) phones, differences, pros, cons and full specifications. What's the better?
,
7.92"
AMOLED
AMOLED
2088x2250
108
MP
MP
12GB
RAM
RAM
Octa-core
4050
mAh
mAh
(Non removable)
vs
6.3"
AMOLED
AMOLED
1080x2220
24
MP
MP
24mp
8GB
RAM
RAM
Octa-core
3800
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi Mix Alpha
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!
20 Advantages 
11 Advantages | 25 Common items in both devices |
| Flexible Super AMOLED / Super AMOLED |
| 16 million |
| Digital and optical zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| f/1.7 (aperture) |
| Capacitive |
| +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 | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| Change model | ||
| Model | Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) |
| Other model names | 小米MIX Alpha, Xiaomi Mix Alpha | Galaxy A9 SM-A920F/Dual-Sim (8GB RAM), Samsung A920 |
| Country or region available |  (Global, International) |  (Europe) |
| Brand | Xiaomi | Samsung |
| Release date | 2/1/2020 | 10/11/2018 |
| Depth | 10.4 millimeters (0.41 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 72.3 x 154.38 millimeters (2.85 x 6.08 in) | 77 x 162.5 millimeters (3.03 x 6.4 in) |
| Weight | 241 grams (8.44 ounces) | 183 grams (6.41 ounces) |
| Build, materials | Titanium frame, glass front, ceramic and glass back | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| Display type | Flexible Super AMOLED | Super AMOLED |
| Screen size | 7.92" inches | 6.3" inches |
| Screen-to-body ratio | ~180.8% (screen-to-body ratio) | ~80.5% (screen-to-body ratio) |
| Display resolution | 2088x2250 pixels | 1080x2220 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 388 PPI | 392 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| System version | Android 10 | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 9.0 Pie |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) |
| CPU | 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) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (672MHz) | Qualcomm Adreno 512 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| RAM memory | 12GB LPDDR4X | 8GB LPDDR4X |
| Internal storage | 512GB (494GB available) UFS 3.0 | 128GB (110GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/150 Mbps | 450/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 | TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat20 (Bands 1, 2, 3, 4, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE | LTE Cat9 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40) |
| Primary 5G network | SA/NSA/Sub6 (Bands 41, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | 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 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| Back camera (main camera) | (triple camera) 108 megapixels 12MP telephoto f/2.054mm1/2.55"1.4µmPDAFLaserAF2x-optical-zoom 20MP ultrawide f/2.213mm1/2.8"1.0µmLaserAF | (quad camera) 24 megapixels 10MP telephoto f/2.452mm1/3.9"1.0µmAF2x-optical-zoom 8MP ultrawide f/2.412mm1/4.0"1.12µm 5MP depth f/2.2 |
| Main camera resolution | 12000x9000 pixels | 5656x4240 pixels |
| Video recording (primary) | 6K UHD (5760x3240) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | 1/1.33" inches | 1/2.8" inches |
| Pixel size | 0.8µm pixel | 0.9µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital 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 on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| Front camera (secondary) | Not supported | 24 megapixels |
| Front camera resolution | Not supported | 5656x4240 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | Not supported | 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 | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Humidity Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4050 mAh | 3800 mAh |
| Charger, watts | 40W Wired fast charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| 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 • MIUI 11 | • Colors: Caviar Black, Lemonade Blue, Bubblegum Pink • Samsung Pay • Dolby Atmos |
☢️ Radiation rate | ||
| Xiaomi Mi Mix Alpha | Galaxy A9 2018 (SM-A920F/DS 128GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.27W/kg (head), 0.84W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |