Xiaomi 12S Pro (128GB) vs Samsung Galaxy M55 (SM-M556B/DS 128GB)
Side by side comparison between Xiaomi 12S Pro vs Samsung Galaxy M55 phones, differences, pros, cons and full specifications. What's the better?
,
6.73"
AMOLED
AMOLED
1440x3200
50
MP
MP
32mp
8GB
RAM
RAM
Octa-core
4600
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? Xiaomi 12S Pro (128GB)
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!
19 Advantages 
9 Advantages | 30 Common items in both devices |
| 128GB (101GB available) / 128GB (105GB available) |
| 120Hz |
| LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus |
| OIS: Optical stabilization |
| BSI sensor |
| HDR photo/video on both cameras / HDR photo on both cameras |
| (front) 4K UHD (3840x2160) |
| +23 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 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| Model | 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) |
| Other model names | Mi 12S Pro 5G (8GB RAM) 2206122SC | Galaxy M55 5G SM-M556B/Dual-SIM |
| Country or region available |  (Global, International) |   (Global, International), Bangladesh, Mexico |
| Brand | Xiaomi | Samsung |
| Release date | 7/7/2022, Announced: 7/4/2022 | 3/28/2024 |
| Depth | 8.2 millimeters (0.32 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 74.6 x 163.6 millimeters (2.94 x 6.44 in) | 76.5 x 163.9 millimeters (3.01 x 6.45 in) |
| Weight | 204 grams (7.14 ounces) | 180 grams (6.3 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.73" inches | 6.7" inches |
| Screen-to-body ratio | ~89.6% (screen-to-body ratio) | ~86.4% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 521 PPI | 393 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Not supported |
| Refresh rate | 120Hz | 120Hz |
| Display features | 1000nits[typ], 1500nits[peak] Dolby Vision/HDR10+ | Always-On Display |
🤖 Operating System | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| System version | Android 12 | Android 14 |
| Firmware update | Android 13 | Android 15 |
| User Interface | MIUI 13 / 14 | One UI 6.1 / 7.0 |
⚙️ Processor | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) | 64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm) |
| CPU | Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (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 730 (818MHz) | Qualcomm Adreno 644 (443MHz) |
| Performance (benchmark) | AnTuTu: 1040111 (v9) Geekbench: 4234 (v5.4) | AnTuTu: 582102 (v10) |
💽 Memory and storage | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| RAM memory | 8GB LPDDR5 | 8GB LPDDR4X |
| Internal storage | 128GB (101GB available) UFS 3.1 | 128GB (105GB available) UFS 2.2 |
| External storage | Not supported | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| 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 | 2000/1024 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) 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 (1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79) | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) |
| 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+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | 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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| Back camera (main camera) | (triple camera) 50 megapixels 50MP telephoto f/1.950mmPDAF2x-optical-zoom 50MP ultrawide f/2.2115° | (triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4 |
| Main camera resolution | 8160x6120 pixels | 8160x6120 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/1.8 (aperture) |
| Focal length | 24mm (lens) | feature not registered |
| Sensor size | 1/1.28" inches | 1/1.56" inches |
| Pixel size | 1.22µm pixel | 1µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical 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 | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 4K@60fps 1080p@960fps Sony IMX707 Leica optics | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) |
📸 Front camera | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| Front camera (secondary) | 32 megapixels | 50 megapixels |
| Front camera resolution | 6528x4896 pixels | 8160x6120 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.4 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Tuned by Harman Kardon | 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 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| 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 | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.2 + A2DP/LE | 5.2 + 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/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4600 mAh | 5000 mAh |
| Charger, watts | 120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 45W Wired fast charging |
| Inductive / wireless charging | 50W Qi wireless charging 10W Reverse wireless charging | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| 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: Gray, White, Purple, Green | • Colors: Dark Blue, Light Green |
☢️ Radiation rate | ||
| Xiaomi 12S Pro (128GB) | Galaxy M55 (SM-M556B/DS 128GB) | |
| 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) |