Samsung Galaxy Z Flip 5 (SM-F731U 256GB) vs Samsung Galaxy Z Flip 4 (SM-F721U 128GB)
Side by side comparison between Samsung Galaxy Z Flip 5 vs Samsung Galaxy Z Flip 4 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
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 5 (SM-F731U 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 Samsung Galaxy Z Flip 5 (SM-F731U 256GB) | vs |  1 Advantage Samsung Galaxy Z Flip 4 (SM-F721U 128GB) |
| +256GB (210GB available)112% More internal storage for applications and files | vs | 128GB (99GB available) |
| +UFS 4.0Advantage Fastest write and read storage. | vs | UFS 3.1 |
| +802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster | vs | 802.11 a/b/g/n/ac/ax [wifi6] |
| +5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster | vs | 5.2 + A2DP/LE |
| +USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data. | vs | USB 2.0 Type-C, USB OTG On-The-Go |
| 3.36GHz 64bit Octa-core (4nm) | vs | +3.19GHz 64bit Octa-core (4nm)24% More powerful processor, you can open your applications faster |
| 52 Common items in both devices |
| 8GB LPDDR5X / 8GB LPDDR5 |
| 187 grams (6.55 ounces) |
| 6.9 millimeters (0.27 inches) |
| Aluminum frame, flexible plastic screen, glass back |
| Dynamic AMOLED |
| HDR10+ |
| 120Hz |
| +45 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 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Model | Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) |
| Other model names | Galaxy Z Flip5 SM-F731U (AT&T, T-Mobile, Verizon) | Galaxy Z Flip4 5G (SM-F721U1) |
| Country or region available |  USA | USA |
| Brand | Samsung | Samsung |
| Release date | 8/11/2023, Announced: 7/26/2023 | 8/25/2022, Announced: 8/10/2022 |
| Depth | 6.9 millimeters (0.27 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 71.9 x 165.1 millimeters (2.83 x 6.5 in) | 71.9 x 165.2 millimeters (2.83 x 6.5 in) |
| Weight | 187 grams (6.55 ounces) | 187 grams (6.55 ounces) |
| Build, materials | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus 2 Folded: 15.1 x 71.9 x 85.1 mm | 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 | IPX8 certified: water resistant up to 1.5 meters and 30min | IPX8 certified: water resistant up to 1.5 meters and 30min |
📲 Display | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Display type | Dynamic AMOLED | Dynamic AMOLED |
| Screen size | 6.7" inches | 6.7" inches |
| Screen-to-body ratio | ~85.5% (screen-to-body ratio) | ~85.4% (screen-to-body ratio) |
| Display resolution | 1080x2640 pixels | 1080x2640 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 426 PPI | 426 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 120Hz | 120Hz |
| Display features | 1750nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 3.4" (720x748), 306 ppi, Gorilla Glass Victus 2 | 1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+ |
🤖 Operating System | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| System version | Android 13 | Android 12 |
| Firmware update | Android 14 | Android 14 |
| User Interface | One UI 5.1 / 6.0 | One UI 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 4 processors: 1x 3.36GHz ARM Cortex-X3 (Single-core) 2x 2.8GHz ARM Cortex-A710 (Dual-core) 2x 2.8GHz ARM Cortex-A715 (Dual-core) 3x 2GHz ARM Cortex-A510 (Triple-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 740 | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | AnTuTu: 1200698 (v9), 1507299 (v10) Geekbench: 5478 (v5.5), 4984 (v6.0) GFXBench: 91fps (ES 3.1 onscreen) | AnTuTu: 685765 (v8), 800001 (v9) Geekbench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| RAM memory | 8GB LPDDR5X | 8GB LPDDR5 |
| Internal storage | 256GB (210GB available) UFS 4.0 | 128GB (99GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 5000/1024 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 | CDMA 800/1900, GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE | 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 |
| Primary 5G network | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 70, 71, 77, 78) mmWave (257, 258, 260, 261) | SA/NSA/Sub6 (2, 5, 25, 41, 66, 71) mmWave (260, 261) |
| 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave |
| Secondary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE | 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 |
| 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 | 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 |
📷 Camera | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Back camera (main camera) | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm |
| Main camera resolution | 4032x3024 pixels | 4032x3024 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 24mm (lens) | 24mm (lens) |
| Sensor size | 1/1.76" inches | 1/1.76" inches |
| Pixel size | 1.8µm pixel | 1.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video on both cameras |
| Camera extras | 4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion | 4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion |
📸 Front camera | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Front camera (secondary) | 10 megapixels | 10 megapixels |
| Front camera resolution | 3872x2592 pixels | 3872x2592 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.4 (aperture) |
| Focal length | 23mm (lens) | 26mm (lens) |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | 1.22µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | 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, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.3 + A2DP/LE | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) 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 | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3700 mAh | 3700 mAh |
| Charger, watts | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging |
| Talk time autonomy | 34 hours (1.4 days) | 34 hours (1.4 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 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, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Graphite, Cream, Lavender, Gray, Blue, Green, Mint, Yellow • Samsung Pay (Visa, MasterCard) | • Colors: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard) |
☢️ Radiation rate | ||
| Galaxy Z Flip 5 (SM-F731U 256GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.17W/kg (head), 0.45W/kg (body) | 1.02W/kg (head), 0.94W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |
Larry Phillips <time itemprop="datePublished" datetime="2023-12-18 12:25:46Z">12/18/2023 12:25 PM</time> I just browse the net , stream a bit , email