Samsung Galaxy Z Flip 4 (SM-F721U 256GB) vs Samsung Galaxy J2 Pro 2018 (SM-J250N)
Side by side comparison between Samsung Galaxy Z Flip 4 vs Samsung Galaxy J2 Pro (2018) phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1080x2640
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
3700
mAh
mAh
(Non removable)
vs
5"
AMOLED
AMOLED
540x960
8
MP
MP
5mp
1.5GB
RAM
RAM
Quad-core
2600
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Z Flip 4 (SM-F721U 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!
31 Advantages 
7 Advantages | 13 Common items in both devices |
| Aluminum frame, flexible plastic screen, glass back / Aluminum body, glass front, plastic back |
| Dynamic AMOLED / Super AMOLED |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| +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 | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| Model | Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) |
| Other model names | Galaxy Z Flip4 5G (SM-F721U1) | Galaxy J2 Pro (KT, LG Uplus, SK Telecom), SM-J250NZDSKOO |
| Country or region available |  USA |  South Korea |
| Brand | Samsung | Samsung |
| Release date | 8/25/2022, Announced: 8/10/2022 | 1/1/2018 |
| Depth | 6.9 millimeters (0.27 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 71.9 x 165.2 millimeters (2.83 x 6.5 in) | 72.3 x 143.8 millimeters (2.85 x 5.66 in) |
| Weight | 187 grams (6.55 ounces) | 153 grams (5.36 ounces) |
| Build, materials | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus+ Folded: 15.9 x 71.9 x 84.9 mm | Aluminum body, glass front, plastic back |
| Protection against water and others | IPX8 certified: water resistant up to 1.5 meters and 30min | Not supported |
📲 Display | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| Display type | Dynamic AMOLED | Super AMOLED |
| Screen size | 6.7" inches | 5" inches |
| Screen-to-body ratio | ~85.4% (screen-to-body ratio) | ~66.3% (screen-to-body ratio) |
| Display resolution | 1080x2640 pixels | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 426 PPI | 220 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+ | feature not registered |
🤖 Operating System | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| System version | Android 12 | Android 7.1.1 Nougat |
| Firmware update | Android 14 | Android 8.0 Oreo |
| User Interface | One UI 4.1 / 5.1 / 6.0 | feature not registered |
⚙️ Processor | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| Chipset | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) | 64bit: Qualcomm Snapdragon 425 MSM8917 (28nm) |
| CPU | 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) | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 730 (818MHz) | Qualcomm Adreno 308 500Mhz |
| Performance (benchmark) | AnTuTu: 685765 (v8), 800001 (v9) Geekbench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| RAM memory | 8GB LPDDR5 | 1.5GB LPDDR3 |
| Internal storage | 256GB (218GB available) UFS 3.1 | 16GB (10GB available) eMMC 5.1 |
| External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 5000/1024 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 | Dual-Band 900/1800 |
| Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 900/1800 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE | LTE Cat4 (Bands 1, 3, 5, 7, 8) |
| Primary 5G network | SA/NSA/Sub6 (2, 5, 25, 41, 66, 71) mmWave (260, 261) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave | Not supported |
📷 Camera | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| Back camera (main camera) | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm | 8 megapixels |
| Main camera resolution | 4032x3024 pixels | 3264x2448 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 24mm lens | feature not registered |
| Sensor size | 1/1.76" inches | feature not registered |
| Pixel size | 1.8µm 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/video on both cameras | HDR photo only main camera |
| Camera extras | 4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion | feature not registered |
📸 Front camera | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| Front camera (secondary) | 10 megapixels | 5 megapixels |
| Front camera resolution | 3872x2592 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 | 26mm lens | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.22µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| 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 | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3700 mAh | 2600 mAh |
| Charger, watts | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging | feature not registered |
| Talk time autonomy | 34 hours (1.4 days) | 18 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| 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: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard) | • Colors: Black, Gold • Samsung Pay mini |
☢️ Radiation rate | ||
| Galaxy Z Flip 4 (SM-F721U 256GB) | Galaxy J2 Pro 2018 (SM-J250N) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.02W/kg (head), 0.94W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |