Xiaomi Mix 4 (256GB/8GB) vs Samsung Galaxy Alpha (SM-G850A)
Side by side comparison between Xiaomi Mix 4 vs Samsung Galaxy Alpha phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
108
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
4.7"
AMOLED
AMOLED
720x1280
12
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
1860
mAh
mAh
(Removable)
What's the better phone? Xiaomi Mix 4 (256GB/8GB)
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!
28 Advantages 
6 Advantages | 19 Common items in both devices |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| (front) Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| +12 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 Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| Model | Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) |
| Other model names | 小米MIX 4 2106118C (8GB RAM) | AT&T Samsung Galaxy Alpha S801 SM-G850A for USA |
| Country or region available |  (Global, International) |  USA |
| Brand | Xiaomi | Samsung |
| Release date | 8/16/2021, Announced: 8/10/2021 | 9/1/2014 |
| Depth | 8 millimeters (0.31 inches) | 6.7 millimeters (0.26 inches) |
| Size (width x height) | 75.35 x 162.65 millimeters (2.97 x 6.4 in) | 65.5 x 132.4 millimeters (2.58 x 5.21 in) |
| Weight | 225 grams (7.88 ounces) | 115 grams (4.03 ounces) |
| Build, materials | Aluminum body, glass front, ceramic back | feature not registered |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.67" inches | 4.7" inches |
| Screen-to-body ratio | ~87.6% (screen-to-body ratio) | ~70.2% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 395 PPI | 312 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 4 |
| Refresh rate | 120Hz | feature not registered |
| Display features | Dolby Vision/HDR10+ Touch Sampling Rate: 480Hz | feature not registered |
🤖 Operating System | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| System version | Android 11 | Android 4.4.4 KitKat |
| Firmware update | Android 13 | Android 5.0.2 Lollipop |
| User Interface | MIUI 12.5 / 13 | feature not registered |
⚙️ Processor | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| Chipset | 64bit: Qualcomm Snapdragon 888+ (SM8350-AC) (5nm) | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) |
| CPU | Octa-core, 3 processors: 1x 3GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | Qualcomm Adreno 330 578Mhz |
| Performance (benchmark) | AnTuTu: 798010 (v9) | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| RAM memory | 8GB LPDDR5 | 2GB LPDDR3 |
| Internal storage | 256GB (218GB available) UFS 3.1 | 32GB (25GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 150/50 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | LTE 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,17) |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 77, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| Back camera (main camera) | (triple camera) 108 megapixels 13MP ultrawide f/2.212mm123°1/3.06"1.12µm 8MP periscope telephoto f/4.1120mmPDAFOIS5x-optical-zoom | 12 megapixels |
| Main camera resolution | 12000x9000 pixels | 4608x2592 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/2.2 (aperture) |
| Focal length | 24mm (lens) | feature not registered |
| Sensor size | 1/1.33" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital 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/video only main camera |
| Camera extras | 4K@30/60fps 1080p@30/60/120/480fps | feature not registered |
📸 Front camera | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| Front camera (secondary) | 20 megapixels | 2.1 megapixels |
| Front camera resolution | 5184x3840 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/3.4 (aperture) | feature not registered |
| Focal length | 27mm (lens) | feature not registered |
| Sensor size | 1/0.8" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Tuned by Harman Kardon | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Heart rate Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4500 mAh | 1860 mAh |
| Charger, watts | 120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | 50W Qi wireless charging 10W Reverse wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 11 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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: Ceramic Black, Ceramic White, Shadow Gray • Silicone case included • Screen protector included | • Colors: Black, Silver, White, Gold, Blue • USB OTG On-The-Go • Dual Shot camera (video + photo) • Fingerprint sensor (PayPal certified) • Dropbox 50GB • ANT+ support |
☢️ Radiation rate | ||
| Xiaomi Mix 4 (256GB/8GB) | Galaxy Alpha (SM-G850A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.25W/kg (head), 1.05W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.4W/kg (head), 0.265W/kg (body) |