Xiaomi Mi Mix Alpha vs Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB)
Side by side comparison between Xiaomi Mi Mix Alpha vs Samsung Galaxy M55 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
6.7"
AMOLED
AMOLED
1080x2400
50
MP
MP
50mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy M55 (SM-M556B/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!
15 Advantages 
16 Advantages | 23 Common items in both devices |
| Flexible Super AMOLED / Super AMOLED |
| 16 million |
| PDAF: phase detection autofocus |
| 5G SA/NSA / 5G Sub6 |
| Capacitive |
| Multitouch |
| Accelerometer |
| +16 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 M55 (SM-M556B/DS 256GB/8GB) | |
| Change model | ||
| Model | Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/DS 256GB/8GB) |
| Other model names | 小米MIX Alpha, Xiaomi Mix Alpha | Galaxy M55 5G SM-M556B/Dual-SIM |
| Country or region available |  (Global, International) |    (Global, International), Brazil, Colombia, Mexico |
| Brand | Xiaomi | Samsung |
| Release date | 2/1/2020 | 3/28/2024 |
| 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) | 76.5 x 163.9 millimeters (3.01 x 6.45 in) |
| Weight | 241 grams (8.44 ounces) | 180 grams (6.3 ounces) |
| Build, materials | Titanium frame, glass front, ceramic and glass back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Display type | Flexible Super AMOLED | Super AMOLED |
| Screen size | 7.92" inches | 6.7" inches |
| Screen-to-body ratio | ~180.8% (screen-to-body ratio) | ~86.4% (screen-to-body ratio) |
| Display resolution | 2088x2250 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 388 PPI | 393 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | Always-On Display |
🤖 Operating System | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| System version | Android 10 | Android 14 |
| Firmware update | feature not registered | Android 15 |
| User Interface | feature not registered | One UI 6.1 / 7.0 |
⚙️ Processor | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) | 64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (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, 3 processors: 1x 2.4GHz ARM Cortex-A710 (Single-core) 3x 2.36GHz ARM Cortex-A710 (Triple-core) 4x 1.8GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (672MHz) | Qualcomm Adreno 644 (443MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 582102 (v10) |
💽 Memory and storage | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| RAM memory | 12GB LPDDR4X | 8GB LPDDR4X |
| Internal storage | 512GB (494GB available) UFS 3.0 | 256GB (233GB available) UFS 2.2 |
| External storage | Not supported | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/150 Mbps | 3000/1024 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 | GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | 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 Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | SA/NSA/Sub6 (Bands 41, 78, 79) | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) |
| 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, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/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 | (triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4 |
| Main camera resolution | 12000x9000 pixels | 8160x6120 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/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/1.33" inches | 1/1.56" inches |
| Pixel size | 0.8µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Only digital 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 on both cameras |
| Camera extras | feature not registered | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) |
📸 Front camera | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Front camera (secondary) | Not supported | 50 megapixels |
| Front camera resolution | Not supported | 8160x6120 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Loudspeaker | Supported | Stereo sound |
| Active noise cancellation | 2 microphones or more | 2 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 M55 (SM-M556B/DS 256GB/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 | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.2 + 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 [wifi6] (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, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/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 Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/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 |
| 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 M55 (SM-M556B/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: Dark Blue, Light Green |
☢️ Radiation rate | ||
| Xiaomi Mi Mix Alpha | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.79W/kg (head), 1.09W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.96W/kg (head), 0.98W/kg (body) |