Xiaomi Poco X4 Pro (India 128GB/8GB) vs Samsung Galaxy M55s (SM-M558B/DS 256GB)
Side by side comparison between Xiaomi Poco X4 Pro vs Samsung Galaxy M55s phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
16mp
8GB
RAM
RAM
Octa-core
5000
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 M55s (SM-M558B/DS 256GB)
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 
15 Advantages | 34 Common items in both devices |
| 8GB LPDDR4X |
| UFS 2.2 |
| Until 1TB microSD, microSDXC |
| Plastic body, glass front/back / Plastic body, glass front |
| 120Hz |
| 16 million |
| 1080x2400 pixels |
| +27 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 Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| Model | Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) |
| Other model names | POCO X4 Pro 5G (64MP camera), MZB0AWDIN | Galaxy M55s 5G SM-M558B/Dual-SIM |
| Country or region available |  India |  Bangladesh, India |
| Brand | Xiaomi | Samsung |
| Release date | 3/23/2022, Announced: 2/28/2022 | 9/26/2024, Announced: 9/24/2024 |
| Depth | 8.12 millimeters (0.32 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 76.1 x 164.19 millimeters (3 x 6.46 in) | 76.5 x 163.9 millimeters (3.01 x 6.45 in) |
| Weight | 205 grams (7.18 ounces) | 180 grams (6.3 ounces) |
| Build, materials | Plastic body, glass front/back | Plastic body, glass front |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.67" inches | 6.7" inches |
| Screen-to-body ratio | ~86% (screen-to-body ratio) | ~86.4% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 395 PPI | 393 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 120Hz | 120Hz |
| Display features | 700nits[typ], 1200nits[peak] DCI-P3 Touch rate: 360Hz | Always-On Display |
🤖 Operating System | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| System version | Android 11 | Android 14 |
| Firmware update | feature not registered | Android 15 |
| User Interface | MIUI 13 for POCO | One UI 6.1 / 7.0 |
⚙️ Processor | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 695 (SM6375) (6nm) | 64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-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 619 (840MHz) | Qualcomm Adreno 644 (443MHz) |
| Performance (benchmark) | AnTuTu: 335353 (v8), 384646 (v9) Geekbench: 2063 (v5.1) GFXBench: 17fps (ES 3.1 onscreen) | AnTuTu: 582102 (v10) |
💽 Memory and storage | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| RAM memory | 8GB LPDDR4X | 8GB LPDDR4X |
| Internal storage | 128GB (101GB available) UFS 2.2 | 256GB (233GB available) UFS 2.2 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat15 (1, 3, 5, 8) TD-LTE (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 (1, 3, 5, 8, 28, 40, 78) | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) |
| Primary 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 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat15 (1, 3, 5, 8) TD-LTE (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 |
| 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 Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| Back camera (main camera) | (triple camera) 64 megapixels 8MP ultrawide f/2.2118°1/4"1.12µm 2MP macro f/2.4 | (triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4 |
| Main camera resolution | 10120x6328 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | 1/1.56" inches |
| Pixel size | 0.7µm 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 | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) |
📸 Front camera | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| Front camera (secondary) | 16 megapixels | 50 megapixels |
| Front camera resolution | 4608x3456 pixels | 8160x6120 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| Loudspeaker | Stereo sound with dual speakers | Stereo sound |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| Radio | FM | 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 Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.1 + 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 | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 5000 mAh |
| Charger, watts | 67W Wired fast charging Quick Charge 3+ USB Power Delivery 3.0 | 45W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| 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: Laser Black, Laser Blue, Poco Yellow | • Colors: Thunder Black, Coral Green |
☢️ Radiation rate | ||
| Xiaomi Poco X4 Pro (India 128GB/8GB) | Galaxy M55s (SM-M558B/DS 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.93W/kg (head) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |