Xiaomi Mi Mix Alpha vs Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)
Side by side comparison between Xiaomi Mi Mix Alpha vs Samsung Galaxy S23 Ultra 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
6.8"
AMOLED
AMOLED
1440x3088
200
MP
MP
12mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S23 Ultra (SM-S918B/DS 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!
7 Advantages 
24 Advantages | 25 Common items in both devices |
| Flexible Super AMOLED / Dynamic AMOLED |
| 16 million |
| Digital and optical zoom |
| PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| f/1.7 (aperture) |
| 5G SA/NSA / 5G Sub6 |
| 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 S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Change model | ||
| Model | Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) |
| Other model names | 小米MIX Alpha, Xiaomi Mix Alpha | Galaxy S23 Ultra 5G (SM-S918B/Dual-SIM) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | Samsung |
| Release date | 2/1/2020 | 2/17/2023, Announced: 2/1/2023 |
| Depth | 10.4 millimeters (0.41 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 72.3 x 154.38 millimeters (2.85 x 6.08 in) | 78.1 x 163.4 millimeters (3.07 x 6.43 in) |
| Weight | 241 grams (8.44 ounces) | 234 grams (8.19 ounces) |
| Build, materials | Titanium frame, glass front, ceramic and glass back | Aluminum frame, glass front/back Back: Gorilla Glass Victus 2 |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Display type | Flexible Super AMOLED | Dynamic AMOLED |
| Screen size | 7.92" inches | 6.8" inches |
| Screen-to-body ratio | ~180.8% (screen-to-body ratio) | ~89.5% (screen-to-body ratio) |
| Display resolution | 2088x2250 pixels | 1440x3088 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 388 PPI | 501 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass Victus 2 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1750nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| System version | Android 10 | Android 13 |
| Firmware update | feature not registered | Android 15 |
| User Interface | feature not registered | One UI 5.1 / 6.0 / 7.0 |
⚙️ Processor | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm) |
| 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, 4 processors: 1x 3.36GHz ARM Cortex-X3 (Single-core) 2x 2.8GHz ARM Cortex-A710 (Dual-core) 2x 2.8GHz ARM Cortex-A715 (Dual-core) 3x 2GHz ARM Cortex-A510 (Triple-core) |
| GPU graphical controller | Qualcomm Adreno 640 (672MHz) | Qualcomm Adreno 740 |
| Performance (benchmark) | feature not registered | AnTuTu: 1241613 (v9) Geekbench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| RAM memory | 12GB LPDDR4X | 8GB LPDDR5X |
| Internal storage | 512GB (494GB available) UFS 3.0 | 256GB (218GB available) UFS 4.0 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 2000/150 Mbps | 3000/1920 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (Bands 1, 2, 3, 4, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE |
| Primary 5G network | SA/NSA/Sub6 (Bands 41, 78, 79) | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 71) |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/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) 200 megapixels 10MP periscope telephoto f/4.9230mm1/3.52"1.12µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.52"1.12µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmPDAFSuper-Steady |
| Main camera resolution | 12000x9000 pixels | 20000x10000 pixels |
| Video recording (primary) | 6K UHD (5760x3240) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | 1/1.33" inches | 1/1.3" inches |
| Pixel size | 0.8µm pixel | 0.6µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical 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 | Supported |
| HDR | HDR photo only main camera | HDR photo/video on both cameras |
| Camera extras | feature not registered | 8K@24/30fps 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) HDR10+ |
📸 Front camera | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Front camera (secondary) | Not supported | 12 megapixels |
| Front camera resolution | Not supported | 4000x3000 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 3 microphones |
| Radio | Not supported | Not supported |
| 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 S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.3 + 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/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | 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 S23 Ultra (SM-S918B/DS 256GB/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 Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4050 mAh | 5000 mAh |
| Charger, watts | 40W Wired fast charging | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| 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 • MIUI 11 | • Colors: Phantom Black, Cream, Green, Lavender, Graphite, Sky Blue, Lime, Red • Samsung DeX • Samsung Pay (Visa, MasterCard) • S Pen (Stylus Pen): Bluetooth 2.8ms latency |
☢️ Radiation rate | ||
| Xiaomi Mi Mix Alpha | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.98W/kg (head), 1.1W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.963W/kg (head), 1.398W/kg (body) |