Samsung Galaxy S7 Edge Duos (SM-G9350 128GB) vs Samsung Galaxy M55 (SM-M556E/DS 256GB/8GB)
Side by side comparison between Samsung Galaxy S7 Edge vs Samsung Galaxy M55 phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
AMOLED
AMOLED
1440x2560
12.2
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3600
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 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!
14 Advantages 
19 Advantages | 27 Common items in both devices |
| Super AMOLED |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| OIS: Optical stabilization |
| BSI sensor |
| +20 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 S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| Model | Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) |
| Other model names | Galaxy S7 edge Dual-Sim G9350, Samsung Hero 2 | Galaxy M55 5G SM-M556E/Dual-SIM |
| Country or region available |   China, Hong Kong |   (Europe), Russia |
| Brand | Samsung | Samsung |
| Release date | 3/11/2016 | 3/28/2024 |
| Depth | 7.7 millimeters (0.3 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 72.6 x 150.9 millimeters (2.86 x 5.94 in) | 76.5 x 163.9 millimeters (3.01 x 6.45 in) |
| Weight | 157 grams (5.5 ounces) | 180 grams (6.3 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.5" inches | 6.7" inches |
| Screen-to-body ratio | ~76.1% (screen-to-body ratio) | ~86.4% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 534 PPI | 393 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Not supported |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | Always-On Display |
🤖 Operating System | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| System version | Android 6.0.1 Marshmallow | Android 14 |
| Firmware update | Android 8.0 Oreo | Android 15 |
| User Interface | feature not registered | One UI 6.1 / 7.0 |
⚙️ Processor | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 820 MSM8996 (14nm) | 64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm) |
| CPU | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-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 530 | Qualcomm Adreno 644 (443MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 582102 (v10) |
💽 Memory and storage | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| RAM memory | 4GB LPDDR4 | 8GB LPDDR4X |
| Internal storage | 128GB (112GB available) UFS 2.0 | 256GB (233GB available) UFS 2.2 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| 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 | 450/50 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26) TD-LTE (Bands 38, 39, 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| Back camera (main camera) | 12.2 megapixels | (triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4 |
| Main camera resolution | 4032x3024 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2.5" inches | 1/1.56" inches |
| Pixel size | 1.4µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical 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/video on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) |
📸 Front camera | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| Front camera (secondary) | 5 megapixels | 50 megapixels |
| Front camera resolution | 2592x1944 pixels | 8160x6120 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/2.4 (aperture) |
| Focal length | 22mm (lens) | feature not registered |
| Sensor size | 1/4.1" inches | feature not registered |
| Pixel size | 1.34µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/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.264, H.263, DivX, XviD, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| 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 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, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Heart rate Proximity sensor SpO2 | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3600 mAh | 5000 mAh |
| Charger, watts | 15W Wired fast charging | 45W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 36 hours (1.5 days) | feature not registered |
| Standby | 336 hours (14 days) | feature not registered |
➕ Other features | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/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: Pearl black • Curved edge screen • Body material: Aluminium • Corning Gorilla Glass back panel • USB OTG On-The-Go • Samsung Gear VR compatible • Fast battery charging: 83% in 30min • Quick Charge 3.0 • Qi Wireless charging (PMA) • OneDrive 115GB • IP68 certified: dust proof and water resistant over 1.5 meter and 30min | • Colors: Dark Blue, Light Green |
☢️ Radiation rate | ||
| Galaxy S7 Edge Duos (SM-G9350 128GB) | Galaxy M55 (SM-M556E/DS 256GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.506W/kg (head), 0.592W/kg (body) | 0.81W/kg (head), 1.18W/kg (body) |