Asus Zenfone 3 (5.2 ZE520KL 64GB) vs Samsung Galaxy Z Flip 5 (SM-F731U 512GB)
Side by side comparison between Asus Zenfone 3 vs Samsung Galaxy Z Flip 5 phones, differences, pros, cons and full specifications. What's the better?
,
5.2"
IPS+
IPS+
1080x1920
16
MP
MP
8mp
4GB
RAM
RAM
Octa-core
2650
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 512GB)
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!
6 Advantages 
31 Advantages | 18 Common items in both devices |
| Aluminum body, glass front, plastic back / Aluminum frame, flexible plastic screen, glass back |
| 16 million |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus |
| OIS (4-axis): Optical stabilization / OIS: Optical stabilization |
| HDR photo on both cameras / HDR photo/video on both cameras |
| 4K UHD (3840x2160) |
| +11 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 | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| Model | Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) |
| Other model names | Zenfone 3 ZE520KL 4GB/64GB 5.2" Dual-SIM | Galaxy Z Flip5 SM-F731U (AT&T, T-Mobile, Verizon) |
| Country or region available |       (Europe), (Global, International), Hong Kong, Japan, Singapore, Taiwan |  USA |
| Brand | Asus | Samsung |
| Release date | 7/12/2016 | 8/11/2023, Announced: 7/26/2023 |
| Depth | 7.7 millimeters (0.3 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 73.98 x 146.87 millimeters (2.91 x 5.78 in) | 71.9 x 165.1 millimeters (2.83 x 6.5 in) |
| Weight | 144 grams (5.04 ounces) | 187 grams (6.55 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus 2 Folded: 15.1 x 71.9 x 85.1 mm |
| Protection against water and others | Not supported | IPX8 certified: water resistant up to 1.5 meters and 30min |
📲 Display | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| Display type | TFT Super IPS+ | Dynamic AMOLED |
| Screen size | 5.2" inches | 6.7" inches |
| Screen-to-body ratio | ~68.6% (screen-to-body ratio) | ~85.5% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels (16:9) | 1080x2640 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 426 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | 120Hz |
| Display features | 2.5D glass | 1750nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 3.4" (720x748), 306 ppi, Gorilla Glass Victus 2 |
🤖 Operating System | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| System version | Android 6.0.1 Marshmallow | Android 13 |
| Firmware update | Android 8.0 Oreo | Android 14 |
| User Interface | ZenUI 3.0 | One UI 5.1 / 6.0 |
⚙️ Processor | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm) | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm) |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) | Octa-core, 3 processors: 1x 3.36GHz ARM Cortex-X3 (Single-core) 4x 2.8GHz ARM Cortex-A710/A715 (Quad-core) 3x 2GHz ARM Cortex-A510 (Triple-core) |
| GPU graphical controller | Qualcomm Adreno 506 (650MHz) | Qualcomm Adreno 740 |
| Performance (benchmark) | feature not registered | AnTuTu: 1200698 (v9), 1507299 (v10) Geekbench: 5478 (v5.5), 4984 (v6.0) GFXBench: 91fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| RAM memory | 4GB LPDDR3 | 8GB LPDDR5X |
| Internal storage | 64GB (55GB available) eMMC 5.1 | 512GB (453GB available) UFS 4.0 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| 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) micro-SIM (3FF) and nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 150/50 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 | Global: UMTS 850/900/1900/2100 Taiwan: UMTS 800/850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Global: LTE Cat4 (1, 2, 3, 5, 7, 8, 20) Taiwan: LTE Cat6 (1, 2, 3, 5, 7, 8, 18, 19, 26, 28) TD-LTE (38, 39, 40, 41) | 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 |
| Primary 5G network | Not supported | 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) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | 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 | Global: UMTS 850/900/1900/2100 Taiwan: UMTS 800/850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | 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 |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | 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 | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| Back camera (main camera) | 16 megapixels | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm |
| Main camera resolution | 4608x3456 pixels | 4032x3024 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.0 (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 | LDAF/PDAF: laser/phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): 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 | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | 4K@30fps 1080p@30/60fps | 4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion |
📸 Front camera | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| Front camera (secondary) | 8 megapixels | 10 megapixels |
| Front camera resolution | 3264x2448 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/2.2 (aperture) |
| Focal length | feature not registered | 23mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| Loudspeaker | Mono sound (not stereo) 24-bit/192kHz | 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.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.2 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 | 4.2 + A2DP | 5.3 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-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 | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2650 mAh | 3700 mAh |
| Charger, watts | 10W (5V/2A) Wired 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 | feature not registered | 34 hours (1.4 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| 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: Sapphire Black, Moonlight White, Shimmer Gold | • Colors: Graphite, Cream, Lavender, Gray, Blue, Green, Mint, Yellow • Samsung Pay (Visa, MasterCard) |
☢️ Radiation rate | ||
| Asus Zenfone 3 (5.2 ZE520KL 64GB) | Galaxy Z Flip 5 (SM-F731U 512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.17W/kg (head), 0.45W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |