Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) vs Samsung Galaxy Z Flip 4 (SM-F721N 256GB)
Side by side comparison between Asus Zenfone Max Pro (M2) vs Samsung Galaxy Z Flip 4 phones, differences, pros, cons and full specifications. What's the better?
,
6.26"
IPS
IPS
1080x2280
12
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-F721N 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!
8 Advantages 
29 Advantages | 24 Common items in both devices |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| BSI sensor |
| f/1.8 (aperture) |
| 4K UHD (3840x2160) |
| Capacitive |
| +17 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 Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| Model | Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) |
| Other model names | Asus Zenfone Max Pro M2 ZB631KL (6GB RAM), X01BDA | 갤럭시 Z 플립4 5G (SM-F721N) |
| Country or region available |  (Global, International) |  South Korea |
| Brand | Asus | Samsung |
| Release date | 12/1/2018 | 8/25/2022, Announced: 8/10/2022 |
| Depth | 8.5 millimeters (0.33 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 75.5 x 157.9 millimeters (2.97 x 6.22 in) | 71.9 x 165.2 millimeters (2.83 x 6.5 in) |
| Weight | 175 grams (6.13 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 | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| Display type | TFT IPS LCD | Dynamic AMOLED |
| Screen size | 6.26" inches | 6.7" inches |
| Screen-to-body ratio | ~82% (screen-to-body ratio) | ~85.4% (screen-to-body ratio) |
| Display resolution | 1080x2280 pixels (19:9) | 1080x2640 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 426 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Not supported |
| Refresh rate | 60Hz | 120Hz |
| Display features | 450nits[typ] | 1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+ |
🤖 Operating System | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| System version | Android 8.1 Oreo | Android 12 |
| Firmware update | Android 9.0 Pie | Android 15 |
| User Interface | ZenUI | One UI 4.1 / 5.1 / 6.0 / 7.0 |
⚙️ Processor | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-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 512 (650MHz) | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | AnTuTu: 124039 (v7) Geekbench: 5169 (v4.4) GFXBench: 7.6fps (ES 3.1 onscreen) | AnTuTu: 685765 (v8), 800001 (v9) Geekbench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| RAM memory | 6GB LPDDR4 | 8GB LPDDR5 |
| Internal storage | 64GB (51GB available) eMMC 5.1 | 256GB (218GB available) UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated 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 | 400/75 Mbps | 3000/1024 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat13 VoLTE Global version; LTE (1, 3, 5, 7, 8, 20) TD-LTE (40) America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 28) TD-LTE (38, 41) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat13 VoLTE Global version; LTE (1, 3, 5, 7, 8, 20) TD-LTE (40) America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 28) TD-LTE (38, 41) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 5MP depth f/2.4 | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm |
| Main camera resolution | 4000x3000 pixels | 4032x3024 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 27mm (lens) | 24mm (lens) |
| Sensor size | 1/2.9" inches | 1/1.76" inches |
| Pixel size | 1.25µm pixel | 1.8µm pixel |
| Autofocus | PDAF: phase detection 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 only main camera | HDR photo/video on both cameras |
| Camera extras | 1080p@30/60fps Sony IMX486 sensor | 4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion |
📸 Front camera | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| 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 | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.4 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/3.1" inches | 1/3" inches |
| Pixel size | 1.12µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| Loudspeaker | Supported NXP amplifier | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | 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 | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| USB | MicroUSB 2.0, 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 | Micro-B USB MHL | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.2 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) 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 | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 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 | 45 hours (1.9 days) | 34 hours (1.4 days) |
| Standby | 833.3 hours (34.7 days) | feature not registered |
➕ Other features | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| 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: Blue, Titanium • Touch glove display | • Colors: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard) |
☢️ Radiation rate | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Galaxy Z Flip 4 (SM-F721N 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.589W/kg (head), 0.972W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |