Alcatel Idol 4 (6055U) vs Samsung Galaxy Z Flip 4 (SM-F721B 256GB)
Side by side comparison between Alcatel Idol 4 vs Samsung Galaxy Z Flip 4 phones, differences, pros, cons and full specifications. What's the better?
,
5.2"
IPS
IPS
1080x1920
13
MP
MP
8mp
2GB
RAM
RAM
Octa-core
2610
mAh
mAh
(Non removable)
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 256GB)
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 
32 Advantages | 19 Common items in both devices |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +12 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 | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| Model | Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) |
| Other model names | Cricket Alcatel IDOL 4 2GB RAM, Alcatel 6055U, OT-6055U | Galaxy Z Flip4 5G (SM-F721B) |
| Country or region available |  USA |  (Global, International) |
| Brand | Alcatel | Samsung |
| Release date | 8/1/2016 | 8/25/2022, Announced: 8/10/2022 |
| Depth | 7.1 millimeters (0.28 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 72.5 x 147 millimeters (2.85 x 5.79 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 | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| Display type | TFT IPS LCD | Dynamic AMOLED |
| Screen size | 5.2" inches | 6.7" inches |
| Screen-to-body ratio | ~69.9% (screen-to-body ratio) | ~85.4% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2640 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 426 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | 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 | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| System version | Android 6.0.1 Marshmallow | Android 12 |
| Firmware update | feature not registered | Android 14 |
| User Interface | feature not registered | One UI 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 617 MSM8952 (28nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1.2GHz ARM Cortex-A53 (Quad-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 | Qualcomm Adreno 405 550Mhz | 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 | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| RAM memory | 2GB LPDDR3 | 8GB LPDDR5 |
| Internal storage | 16GB (10GB available) eMMC 5.1 | 256GB (218GB available) UFS 3.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| 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 850/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 700/850/1700/1900/2100/2600 (Bands 1,2,4,5,7,12) | 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, HSPA+, LTE | 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 | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| Back camera (main camera) | 13 megapixels | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm |
| Main camera resolution | 4128x3096 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Dual-LED on main camera and LED on front camera | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | 1/3" inches | 1/1.76" inches |
| Pixel size | 1.12µm pixel | 1.8µm 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 only main camera | 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 | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| Front camera (secondary) | 8 megapixels | 10 megapixels |
| Front camera resolution | 3264x2448 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | LED | 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 | 1.12µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, AAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| 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) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2610 mAh | 3700 mAh |
| Charger, watts | 18W Wired fast 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 | 15 hours | 34 hours (1.4 days) |
| Standby | 720 hours (30 days) | feature not registered |
➕ Other features | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (iTap), 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: Gold, Dark Gray, Silver, Rose Gold • USB OTG On-The-Go • LED notification (white light) • Oleophobic coating • Glass back panel • JBL earphones • Hi-Fi 3.6W dual-stereo • Front camera: Wide Angle 84° • Quick Charge 2.0 • Fast battery charging: 60% in 30min • Reversible phone • VR goggles compatible | • Colors: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard) |
☢️ Radiation rate | ||
| Alcatel Idol 4 (6055U) | Galaxy Z Flip 4 (SM-F721B 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.18W/kg (head), 1.11W/kg (body) | 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) |