Samsung Galaxy S23 Ultra (SM-S918B/DS 1TB) vs Xiaomi Mi Mix Alpha
Side by side comparison between Samsung Galaxy S23 Ultra vs Xiaomi Mi Mix Alpha phones, differences, pros, cons and full specifications. What's the better?
,
6.8"
AMOLED
AMOLED
1440x3088
200
MP
MP
12mp
12GB
RAM
RAM
Octa-core
5000
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 S23 Ultra (SM-S918B/DS 1TB)
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!
26 Advantages 
5 Advantages | 25 Common items in both devices |
| Dynamic AMOLED / Flexible Super AMOLED |
| 16 million |
| Digital and optical zoom |
| PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
| f/1.7 (aperture) |
| 5G Sub6 / 5G SA/NSA |
| 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 | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| Model | Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha |
| Other model names | Galaxy S23 Ultra 5G (SM-S918B/Dual-SIM) | 小米MIX Alpha, Xiaomi Mix Alpha |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 2/17/2023, Announced: 2/1/2023 | 2/1/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 10.4 millimeters (0.41 inches) |
| Size (width x height) | 78.1 x 163.4 millimeters (3.07 x 6.43 in) | 72.3 x 154.38 millimeters (2.85 x 6.08 in) |
| Weight | 234 grams (8.19 ounces) | 241 grams (8.44 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass Victus 2 | 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 S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| Display type | Dynamic AMOLED | Flexible Super AMOLED |
| Screen size | 6.8" inches | 7.92" inches |
| Screen-to-body ratio | ~89.5% (screen-to-body ratio) | ~180.8% (screen-to-body ratio) |
| Display resolution | 1440x3088 pixels | 2088x2250 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 501 PPI | 388 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus 2 | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1750nits[peak] HDR10+ Always-On Display | feature not registered |
🤖 Operating System | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| System version | Android 13 | Android 10 |
| Firmware update | Android 15 | feature not registered |
| User Interface | One UI 5.1 / 6.0 / 7.0 | feature not registered |
⚙️ Processor | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm) | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) |
| CPU | 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) | 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 740 | Qualcomm Adreno 640 (672MHz) |
| Performance (benchmark) | AnTuTu: 1241613 (v9) Geekbench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| RAM memory | 12GB LPDDR5X | 12GB LPDDR4X |
| Internal storage | 1TB (965GB available) UFS 4.0 | 512GB (494GB available) UFS 3.0 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| 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) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1920 Mbps | 2000/150 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | 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 | LTE Cat20 (Bands 1, 2, 3, 4, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 71) | SA/NSA/Sub6 (Bands 41, 78, 79) |
| 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, Sub6 | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | 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 | Not supported |
| Secondary 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, Sub6 | GPRS, EDGE |
📷 Camera | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| Back camera (main camera) | (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 | (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 | 20000x10000 pixels | 12000x9000 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | 6K UHD (5760x3240) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.7 (aperture) |
| Focal length | 24mm (lens) | feature not registered |
| Sensor size | 1/1.3" inches | 1/1.33" inches |
| Pixel size | 0.6µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | 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 | 8K@24/30fps 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) HDR10+ | feature not registered |
📸 Front camera | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| Front camera (secondary) | 12 megapixels | Not supported |
| Front camera resolution | 4000x3000 pixels | Not supported |
| Video recording (secondary) | 4K UHD (3840x2160) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 3 microphones | 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.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.3 + A2DP/LE | 5.0 + A2DP/LE |
| 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) + 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 S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) | 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 S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4050 mAh |
| Charger, watts | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 40W Wired fast charging |
| Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | 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: Phantom Black, Cream, Green, Lavender, Graphite, Sky Blue, Lime, Red • Samsung DeX • Samsung Pay (Visa, MasterCard) • S Pen (Stylus Pen): Bluetooth 2.8ms latency | • Colors: Black • MIUI 11 |
☢️ Radiation rate | ||
| Galaxy S23 Ultra (SM-S918B/DS 1TB) | Xiaomi Mi Mix Alpha | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.98W/kg (head), 1.1W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.963W/kg (head), 1.398W/kg (body) | feature not registered |