Xiaomi Redmi 7A (12MP 16GB) vs Samsung Galaxy M55 (SM-M556E/DS 128GB)
Side by side comparison between Xiaomi Redmi 7A vs Samsung Galaxy M55 phones, differences, pros, cons and full specifications. What's the better?
,
5.45"
IPS
IPS
720x1440
12
MP
MP
5mp
2GB
RAM
RAM
Octa-core
4000
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-M556E/DS 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!
5 Advantages 
30 Advantages | 21 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| Capacitive |
| +14 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 | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| Model | Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) |
| Other model names | Redmi 7A (Global) M1903C3EG, M1903C3EH, M1903C3EI, MZB7813EU | Galaxy M55 5G SM-M556E/Dual-SIM |
| Country or region available |    (Europe), (Global, International), India |  (Europe), Russia |
| Brand | Xiaomi | Samsung |
| Release date | 7/1/2019 | 3/28/2024 |
| Depth | 9.55 millimeters (0.38 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 70.41 x 146.3 millimeters (2.77 x 5.76 in) | 76.5 x 163.9 millimeters (3.01 x 6.45 in) |
| Weight | 165 grams (5.78 ounces) | 180 grams (6.3 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.45" inches | 6.7" inches |
| Screen-to-body ratio | ~74.4% (screen-to-body ratio) | ~86.4% (screen-to-body ratio) |
| Display resolution | 720x1440 pixels (18:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 295 PPI | 393 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | Always-On Display |
🤖 Operating System | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| System version | Android 9.0 Pie | Android 14 |
| Firmware update | Android 10 | Android 15 |
| User Interface | feature not registered | One UI 6.1 / 7.0 |
⚙️ Processor | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) | 64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (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 505 650Mhz | Qualcomm Adreno 644 (443MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 582102 (v10) |
💽 Memory and storage | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| RAM memory | 2GB LPDDR3 | 8GB LPDDR4X |
| Internal storage | 16GB (9GB available) eMMC 5.1 | 128GB (105GB available) UFS 2.2 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated 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 | 150/50 Mbps | 3000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 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 Cat4 VoLTE M1903C3EG, MZB7813EU (Global version): LTE (1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (38, 40) M1903C3EI, MZB7995IN, MZB7798IN, MZB7799IN, M1903C3EH (India, APAC version): LTE (1, 3, 5, 8) TD-LTE (40, 41) | 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 | Not supported | 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 | 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 | 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, UMTS, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| Back camera (main camera) | 12 megapixels | (triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4 |
| Main camera resolution | 4000x3000 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.9" inches | 1/1.56" inches |
| Pixel size | 1.25µm 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 | Not 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 | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| Front camera (secondary) | 5 megapixels | 50 megapixels |
| Front camera resolution | 2560x1920 pixels | 8160x6120 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/5" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| Loudspeaker | Supported | Stereo sound |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, 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 | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| USB | MicroUSB 2.0, 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 | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.2 + A2DP | 5.2 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) 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, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 5000 mAh |
| Charger, watts | 5W (5V/1A) Wired charging | 45W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 456 hours (19 days) | feature not registered |
➕ Other features | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| Call control | Voice dialing, Voice recorder | 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, Blue, Gold • MIUI 12 • Sony IMX486 back camera sensor • WiFi Display • 10W fast charge support, but includes normal 5W charger* | • Colors: Dark Blue, Light Green |
☢️ Radiation rate | ||
| Redmi 7A (12MP 16GB) | Galaxy M55 (SM-M556E/DS 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1W/kg (head), 1.12W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.56W/kg (head), 1.17W/kg (body) | 0.81W/kg (head), 1.18W/kg (body) |