Samsung Galaxy A15 (SM-A155M/DSN 128GB/6GB) vs Samsung Galaxy Z Flip 4 (SM-F721U 128GB)
Side by side comparison between Samsung Galaxy A15 vs Samsung Galaxy Z Flip 4 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
AMOLED
AMOLED
1080x2340
50
MP
MP
13mp
6GB
RAM
RAM
Octa-core
5000
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-F721U 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!
7 Advantages 
25 Advantages | 22 Common items in both devices |
| 128GB (108GB available) / 128GB (99GB available) |
| Super AMOLED / Dynamic AMOLED |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| HDR photo on both cameras / HDR photo/video on both cameras |
| +15 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 A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Model | Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) |
| Other model names | Galaxy A15 4G LTE SM-A155M/Dual-SIM NFC | Galaxy Z Flip4 5G (SM-F721U1) |
| Country or region available |    (Latin America), Colombia, Costa Rica |  USA |
| Brand | Samsung | Samsung |
| Release date | 12/16/2023, Announced: 12/11/2023 | 8/25/2022, Announced: 8/10/2022 |
| Depth | 8.4 millimeters (0.33 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 76.8 x 160.1 millimeters (3.02 x 6.3 in) | 71.9 x 165.2 millimeters (2.83 x 6.5 in) |
| Weight | 200 grams (7 ounces) | 187 grams (6.55 ounces) |
| Build, materials | Plastic body, glass front | 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 | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Display type | Super AMOLED | Dynamic AMOLED |
| Screen size | 6.5" inches | 6.7" inches |
| Screen-to-body ratio | ~84.3% (screen-to-body ratio) | ~85.4% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2640 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 396 PPI | 426 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 90Hz | 120Hz |
| Display features | 800nits[peak] | 1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+ |
🤖 Operating System | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| System version | Android 14 | Android 12 |
| Firmware update | feature not registered | Android 14 |
| User Interface | One UI 6.1 | One UI 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Chipset | 64bit: MediaTek Helio G99 (6nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-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 | ARM Mali-G57 MC2 | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6) | AnTuTu: 685765 (v8), 800001 (v9) Geekbench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| RAM memory | 6GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 128GB (108GB available) eMMC 5.1 | 128GB (99GB available) UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 300/150 Mbps | 5000/1024 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) 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 | Not supported | SA/NSA/Sub6 (2, 5, 25, 41, 66, 71) mmWave (260, 261) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) 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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Back camera (main camera) | (triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4 | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm |
| Main camera resolution | 8160x6120 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | 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 | 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 | Supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | 1080p@30fps 720p@120fps (slow motion) | 4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion |
📸 Front camera | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Front camera (secondary) | 13 megapixels | 10 megapixels |
| Front camera resolution | 4128x3096 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | 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 | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Loudspeaker | Mono sound (not stereo) | 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, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| USB | USB 2.0 Type-C, 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 | 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 [wifi5] (2.4GHz, 5GHz) + MIMO 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, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Virtual 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 A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 3700 mAh |
| Charger, watts | 25W Wired fast charging | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging |
| Talk time autonomy | 51 hours (2.1 days) | 34 hours (1.4 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | 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: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow | • Colors: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard) |
☢️ Radiation rate | ||
| Galaxy A15 (SM-A155M/DSN 128GB/6GB) | Galaxy Z Flip 4 (SM-F721U 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.02W/kg (head), 0.94W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |