Motorola Atrix 4G (MB860) vs Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB)
Side by side comparison between Motorola Atrix vs Samsung Galaxy M55 phones, differences, pros, cons and full specifications. What's the better?
,
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-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!
6 Advantages 
27 Advantages | 16 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +9 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 | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Model | Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) |
| Other model names | AT&T Motorola Atrix 4G MB860, Motorola Olympus | Galaxy M55 5G SM-M556B/Dual-SIM |
| Country or region available |  USA |     (Global, International), Brazil, Colombia, Mexico |
| Brand | Motorola | Samsung |
| Release date | 2/1/2011 | 3/28/2024 |
| Depth | 10.95 millimeters (0.43 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 63.5 x 117.75 millimeters (2.5 x 4.64 in) | 76.5 x 163.9 millimeters (3.01 x 6.45 in) |
| Weight | 135 grams (4.73 ounces) | 180 grams (6.3 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Display type | TFT LCD | Super AMOLED |
| Screen size | 4" inches | 6.7" inches |
| Screen-to-body ratio | ~59% (screen-to-body ratio) | ~86.4% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 275 PPI | 393 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | Always-On Display |
🤖 Operating System | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| System version | Android 2.2.1 Froyo | Android 14 |
| Firmware update | Android 2.3.6 Gingerbread | Android 15 |
| User Interface | feature not registered | One UI 6.1 / 7.0 |
⚙️ Processor | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Chipset | 32bit: NVIDIA Tegra 2 250 AP20H | 64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (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 | NVIDIA GeForce | Qualcomm Adreno 644 (443MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 582102 (v10) |
💽 Memory and storage | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| RAM memory | 1GB LPDDR2 | 8GB LPDDR4X |
| Internal storage | 16GB (13GB available) | 256GB (233GB available) UFS 2.2 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 14.4/5.76 Mbps | 3000/1024 Mbps |
| Network technology | 2G, 3G | 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 850/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 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 |
| 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+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | Not supported | 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 | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Back camera (main camera) | 5 megapixels | (triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4 |
| Main camera resolution | 2592x1944 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/1.56" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) |
📸 Front camera | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Front camera (secondary) | 0.3 megapixels | 50 megapixels |
| Front camera resolution | 640x480 pixels | 8160x6120 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.4 (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 | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/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, DivX, XviD, WMV, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Mini HDMI Type C | USB Type-C (reversible) |
| Bluetooth | 2.1 + A2DP | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| Battery type | LiPo: li-ion polymer (Removable) BH6X | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1930 mAh | 5000 mAh |
| Charger, watts | Wired charging | 45W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 9 hours | feature not registered |
| Standby | 350 hours (14.6 days) | feature not registered |
➕ Other features | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Motorola MOTOBLUR UI with Live Widgets • Dock connector • Speech recognition • Google Maps Navigation • HAC (M3/T3) • Wi-Fi hotspot • Video recording at 1080p via Android 2.3 update • Java framework | • Colors: Dark Blue, Light Green |
☢️ Radiation rate | ||
| Motorola Atrix 4G (MB860) | Galaxy M55 (SM-M556B/DS 256GB/8GB) | |
| 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) |