Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB) vs Samsung Galaxy J4 (SM-J400F/DS 16GB)
Side by side comparison between Samsung Galaxy M55 vs Samsung Galaxy J4 phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1080x2400
50
MP
MP
50mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
5.5"
AMOLED
AMOLED
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(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!
31 Advantages 
6 Advantages | 15 Common items in both devices |
| Plastic body, glass front / Plastic body |
| Super AMOLED |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| +8 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 M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| Model | Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) |
| Other model names | Galaxy M55 5G SM-M556B/Dual-SIM | Galaxy J4 J400F/Dual-sim, SM-J400FZKDINS |
| Country or region available |     (Global, International), Brazil, Colombia, Mexico |    United Arab Emirates, India, Pakistan, (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 3/28/2024 | 5/1/2018 |
| Depth | 7.8 millimeters (0.31 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 76.5 x 163.9 millimeters (3.01 x 6.45 in) | 77.2 x 151.7 millimeters (3.04 x 5.97 in) |
| Weight | 180 grams (6.3 ounces) | 175 grams (6.13 ounces) |
| Build, materials | Plastic body, glass front | Plastic body |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.7" inches | 5.5" inches |
| Screen-to-body ratio | ~86.4% (screen-to-body ratio) | ~71.2% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 393 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | Always-On Display | feature not registered |
🤖 Operating System | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| System version | Android 14 | Android 8.0 Oreo |
| Firmware update | Android 15 | Android 9.0 Pie |
| User Interface | One UI 6.1 / 7.0 | feature not registered |
⚙️ Processor | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm) | 64bit: Samsung Exynos 7570 (14nm) |
| CPU | 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) | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 644 (443MHz) | ARM Mali-T720 MP1 (830MHz) |
| Performance (benchmark) | AnTuTu: 582102 (v10) | feature not registered |
💽 Memory and storage | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| RAM memory | 8GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 256GB (233GB available) UFS 2.2 | 16GB (10GB available) Flash (EEPROM) |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| 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 (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Tri-Band 850/900/1800 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE Cat4 (Bands 1,3,5,7,8,20) TD-LTE (Bands 38,40) |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE |
📷 Camera | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| Back camera (main camera) | (triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4 | 13 megapixels |
| Main camera resolution | 8160x6120 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 28mm (lens) |
| Sensor size | 1/1.56" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) | feature not registered |
📸 Front camera | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| Front camera (secondary) | 50 megapixels | 5 megapixels |
| Front camera resolution | 8160x6120 pixels | 2560x1920 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | HD (1280x720) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.4 (aperture) | f/2.2 (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 | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| Loudspeaker | Stereo sound | Supported |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, MKV, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 3000 mAh |
| Charger, watts | 45W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 20 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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: Dark Blue, Light Green | • Colors: Black, Gold, Orchid Gray |
☢️ Radiation rate | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Galaxy J4 (SM-J400F/DS 16GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.79W/kg (head), 1.09W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.96W/kg (head), 0.98W/kg (body) | 0.356W/kg (head), 1.492W/kg (body) |