Samsung Duos E1252 vs Samsung Galaxy Z Flip 4 (SM-F721B 128GB)
Side by side comparison between Samsung Duos E1252 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!
3 Advantages 
27 Advantages | 0 Common items in both devices |
| + 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 | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Change model | ||
| Model | Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) |
| Other model names | Samsung E1252 Duos Lite, GT-E1252, GT-E1252/H | Galaxy Z Flip4 5G (SM-F721B) |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 10/1/2010 | 8/25/2022, Announced: 8/10/2022 |
| Depth | 13.9 millimeters (0.55 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 46.7 x 112.7 millimeters (1.84 x 4.44 in) | 71.9 x 165.2 millimeters (2.83 x 6.5 in) |
| Weight | 77 grams (2.7 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 | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Display type | CSTN - passive matrix | Dynamic AMOLED |
| Screen size | 2" inches | 6.7" inches |
| Screen-to-body ratio | ~23.9% (screen-to-body ratio) | ~85.4% (screen-to-body ratio) |
| Display resolution | 128x160 pixels | 1080x2640 pixels |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 102 PPI | 426 PPI |
| Colors | 260 thousand | 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 | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| System version | Proprietary OS | Android 12 |
| Firmware update | feature not registered | Android 14 |
| User Interface | feature not registered | One UI 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Single-core, 1 processor: Single-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 | feature not registered | 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 | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| RAM memory | 16MB | 8GB LPDDR5 |
| Internal storage | 32MB | 128GB (99GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | feature not registered | 3000/1024 Mbps |
| Network technology | 2G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Dual-Band 900/1800 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | 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 | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 900/1800 | 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 | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Back camera (main camera) | Not supported | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm |
| Main camera resolution | Not supported | 4032x3024 pixels |
| Video recording (primary) | Not supported | 4K UHD (3840x2160) 60 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | 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 | Not supported | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Not supported | Only digital zoom |
| Face/smile detection | Not supported | 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 | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Front camera (secondary) | Not supported | 10 megapixels |
| Front camera resolution | Not supported | 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 | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | feature not registered | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, AAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| USB | Not supported | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Not supported | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | Not supported | 5.2 + A2DP/LE |
| WiFi | Not supported | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1000 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 | 11 hours | 34 hours (1.4 days) |
| Standby | 625 hours (26 days) | feature not registered |
➕ Other features | ||
| Samsung Duos E1252 | Galaxy Z Flip 4 (SM-F721B 128GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | Not supported | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • Phonebook up to 1000 entries | • Colors: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard) |
☢️ Radiation rate | ||
| Samsung Duos E1252 | 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) |