Motorola Atrix (MB861) vs Samsung Galaxy Z Flip 4 (SM-F721B 128GB)
Side by side comparison between Motorola Atrix vs Samsung Galaxy Z Flip 4 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.7"
AMOLED
AMOLED
1080x2640
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
3700
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Z Flip 4 (SM-F721B 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!
6 Advantages 
27 Advantages | 13 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +6 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 (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Model | Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) |
| Other model names | Motorola Atrix 1 (3G) MB861, Motorola Olympus | Galaxy Z Flip4 5G (SM-F721B) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Motorola | Samsung |
| Release date | 4/1/2011 | 8/25/2022, Announced: 8/10/2022 |
| Depth | 10.95 millimeters (0.43 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 63.5 x 117.75 millimeters (2.5 x 4.64 in) | 71.9 x 165.2 millimeters (2.83 x 6.5 in) |
| Weight | 135 grams (4.73 ounces) | 187 grams (6.55 ounces) |
| Build, materials | feature not registered | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus+ Folded: 15.9 x 71.9 x 84.9 mm |
| Protection against water and others | Not supported | IPX8 certified: water resistant up to 1.5 meters and 30min |
📲 Display | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Display type | TFT LCD | Dynamic AMOLED |
| Screen size | 4" inches | 6.7" inches |
| Screen-to-body ratio | ~59% (screen-to-body ratio) | ~85.4% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 1080x2640 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 275 PPI | 426 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+ |
🤖 Operating System | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| System version | Android 2.2.1 Froyo | Android 12 |
| Firmware update | Android 2.3.6 Gingerbread | Android 14 |
| User Interface | feature not registered | One UI 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Chipset | 32bit: NVIDIA Tegra 2 250 AP20H | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | NVIDIA GeForce | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 685765 (v8), 800001 (v9) Geekbench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| RAM memory | 1GB LPDDR2 | 8GB LPDDR5 |
| Internal storage | 16GB (13GB available) | 128GB (99GB available) UFS 3.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 14.4/2 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 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | 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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 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 (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Back camera (main camera) | 5 megapixels | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm |
| Main camera resolution | 2592x1944 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 24mm lens |
| Sensor size | feature not registered | 1/1.76" inches |
| Pixel size | feature not registered | 1.8µm 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/video on both cameras |
| Camera extras | feature not registered | 4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion |
📸 Front camera | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Front camera (secondary) | 0.3 megapixels | 10 megapixels |
| Front camera resolution | 640x480 pixels | 3872x2592 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 | 26mm lens |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| 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 (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| 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 | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Battery type | LiPo: li-ion polymer (Removable) BH6X | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1930 mAh | 3700 mAh |
| Charger, watts | Wired charging | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging |
| Talk time autonomy | 9 hours | 34 hours (1.4 days) |
| Standby | 350 hours (14.6 days) | feature not registered |
➕ Other features | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| 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: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard) |
☢️ Radiation rate | ||
| Motorola Atrix (MB861) | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.01W/kg (head), 1.01W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.151W/kg (head), 1.198W/kg (body) |