Samsung Galaxy Z Flip 4 (SM-F721U 256GB) vs Xiaomi Mi 9 SE (128GB)
Side by side comparison between Samsung Galaxy Z Flip 4 vs Xiaomi Mi 9 SE 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
5.97"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
3070
mAh
mAh
(Non 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!
23 Common items in both devices |
Aluminum frame, flexible plastic screen, glass back / Aluminum frame, glass front/back |
Dynamic AMOLED / Super AMOLED |
16 million |
Only digital zoom |
PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus |
HDR photo/video on both cameras / HDR photo on both cameras |
f/1.8 (aperture) |
+16 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) | Xiaomi Mi 9 SE (128GB) | |
Model | Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (128GB) |
Other model names | Galaxy Z Flip4 5G (SM-F721U1) | 小米9 SE M1903F2G, M1903F2A, Xiaomi Grus |
Country or region available | USA | (Global, International), China |
Brand | Samsung | Xiaomi |
Release date | 8/25/2022, Announced: 8/10/2022 | 3/1/2019, Announced: 2/20/2019 |
Depth | 6.9 millimeters (0.27 inches) | 7.45 millimeters (0.29 inches) |
Size (width x height) | 71.9 x 165.2 millimeters (2.83 x 6.5 in) | 70.5 x 147.5 millimeters (2.78 x 5.81 in) |
Weight | 187 grams (6.55 ounces) | 155 grams (5.43 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 frame, glass front/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) | Xiaomi Mi 9 SE (128GB) | |
Display type | Dynamic AMOLED | Super AMOLED |
Screen size | 6.7" inches | 5.97" inches |
Screen-to-body ratio | ~85.4% (screen-to-body ratio) | ~84.1% (screen-to-body ratio) |
Display resolution | 1080x2640 pixels | 1080x2340 pixels (19.5:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 426 PPI | 432 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Gorilla Glass 5 |
Refresh rate | 120Hz | 60Hz |
Display features | 1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+ | HDR8 |
🤖 Operating System | ||
Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (128GB) | |
System version | Android 12 | Android 9.0 Pie |
Firmware update | Android 14 | Android 11 |
User Interface | One UI 4.1 / 5.1 / 6.0 | MIUI 10 / 11 / 12.5 |
⚙️ Processor | ||
Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (128GB) | |
Chipset | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) | 64bit: Qualcomm Snapdragon 712 (SDM712) (10nm) |
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) | Octa-core, 2 processors: 2x 2.3GHz Kryo 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core) |
GPU graphical controller | Qualcomm Adreno 730 (818MHz) | Qualcomm Adreno 616 (610MHz) |
Performance (benchmark) | AnTuTu: 685765 (v8), 800001 (v9) Geekbench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen) | AnTuTu: 180057 (v7) Geekbench: 6017 (v4.4) GFXBench: 14fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (128GB) | |
RAM memory | 8GB LPDDR5 | 6GB LPDDR4X |
Internal storage | 256GB (218GB available) UFS 3.1 | 128GB (109GB available) UFS 2.0 |
External storage | Not supported | Not supported |
📶 Mobile networks | ||
Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (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 | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 5000/1024 Mbps | 800/150 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 | Quad-Band 850/900/1800/1900 |
Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
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 Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE |
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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
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 | LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) 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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (128GB) | |
Back camera (main camera) | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm | (triple camera) 48 megapixels 13MP ultrawide f/2.41.12µm 8MP telephoto f/2.41.12µmPDAF |
Main camera resolution | 4032x3024 pixels | 8000x6000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 60 fps | 4K UHD (3840x2160) 30 fps |
Flash | LED flash | Dual-LED flash |
Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
Focal length | 24mm lens | feature not registered |
Sensor size | 1/1.76" inches | 1/2" inches |
Pixel size | 1.8µm pixel | 0.8µm pixel |
Autofocus | PDAF: phase detection autofocus | LDAF/PDAF: laser/phase detection 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 on both cameras |
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) | Xiaomi Mi 9 SE (128GB) | |
Front camera (secondary) | 10 megapixels | 20 megapixels |
Front camera resolution | 3872x2592 pixels | 5184x3840 pixels |
Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.4 (aperture) | f/2.0 (aperture) |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/3" inches | feature not registered |
Pixel size | 1.22µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (128GB) | |
Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Mono sound (not stereo) |
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 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (128GB) | |
USB | USB 2.0 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 jack with 3.5mm jack adapter |
TV output | USB Type-C (reversible) | USB Type-C (reversible) |
Bluetooth | 5.2 + A2DP/LE | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (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 | Supported |
🧭 Sensors | ||
Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (128GB) | |
Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Virtual proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (128GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 3700 mAh | 3070 mAh |
Charger, watts | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 18W Wired fast charging |
Inductive / wireless charging | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging | Not supported |
Talk time autonomy | 34 hours (1.4 days) | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (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, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard) | • Colors: Gray, Violet, Blue |
☢️ Radiation rate | ||
Galaxy Z Flip 4 (SM-F721U 256GB) | Xiaomi Mi 9 SE (128GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 1.02W/kg (head), 0.94W/kg (body) | 1.39W/kg (head), 1.39W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.19W/kg (head), 1.17W/kg (body) |