HMD Skyline (256GB/8GB) vs Asus Zenfone Max Pro M2 (ZB631KL 32GB)
Side by side comparison between HMD Skyline vs Asus Zenfone Max Pro (M2) phones, differences, pros, cons and full specifications. What's the better?
,
6.55"
POLED
POLED
1080x2400
108
MP
MP
50mp
8GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Removable)
vs
6.26"
IPS
IPS
1080x2280
12
MP
MP
13mp
3GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? HMD Skyline (256GB/8GB)
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!
28 Advantages 
6 Advantages | 26 Common items in both devices |
| Until 1TB microSD, microSDXC |
| 16 million |
| PDAF: phase detection autofocus |
| BSI sensor |
| f/1.8 (aperture) |
| 4K UHD (3840x2160) |
| (front) Full HD (1920x1080) |
| +19 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 | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| Model | Skyline (256GB/8GB) | Zenfone Max Pro M2 (ZB631KL 32GB) |
| Other model names | HMD Skyline (8GB RAM) TA-1600 | Asus Zenfone Max Pro M2 ZB631KL (3GB RAM), X01BDA |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | HMD | Asus |
| Release date | 7/19/2024, Announced: 7/18/2024 | 12/1/2018 |
| Depth | 8.9 millimeters (0.35 inches) | 8.5 millimeters (0.33 inches) |
| Size (width x height) | 75.66 x 159.84 millimeters (2.98 x 6.29 in) | 75.5 x 157.9 millimeters (2.97 x 6.22 in) |
| Weight | 209 grams (7.32 ounces) | 175 grams (6.13 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP54 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| Display type | P-OLED | TFT IPS LCD |
| Screen size | 6.55" inches | 6.26" inches |
| Screen-to-body ratio | ~85.6% (screen-to-body ratio) | ~82% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2280 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 402 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 6 |
| Refresh rate | 144Hz | 60Hz |
| Display features | 1000nits[peak] HDR10 | 450nits[typ] |
🤖 Operating System | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| System version | Android 14 | Android 8.1 Oreo |
| Firmware update | Android 16 | Android 9.0 Pie |
| User Interface | feature not registered | ZenUI |
⚙️ Processor | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 7s Gen 2 (SM7435-AB) (4nm) | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) |
| CPU | Octa-core, 2 processors: 4x 2.4GHz ARM Cortex-A78 (Quad-core) 4x 1.95GHz ARM Cortex-A55 (Quad-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 710 (900MHz) | Qualcomm Adreno 512 (650MHz) |
| Performance (benchmark) | AnTuTu: 581402 (v10) Geekbench: 2899 (v6) | AnTuTu: 124039 (v7) Geekbench: 5169 (v4.4) GFXBench: 7.6fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| RAM memory | 8GB LPDDR5 | 3GB LPDDR4 |
| Internal storage | 256GB (222GB available) UFS 2.2 | 32GB (20GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 400/75 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 40, 41) VoLTE | 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) |
| Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/2100 |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 40, 41) VoLTE | 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) |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| Back camera (main camera) | (triple camera) 108 megapixels 50MP telephoto f/2.01/2.76"0.64µmPDAF2x-optical-zoom 13MP ultrawide f/2.51/3"1.12µm | (dual camera) 12 megapixels 5MP depth f/2.4 |
| Main camera resolution | 12000x9000 pixels | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | 1/1.67" inches | 1/2.9" inches |
| Pixel size | 0.64µm pixel | 1.25µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical 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 only main camera |
| Camera extras | 4K@30fps 1080p@30fps | 1080p@30/60fps Sony IMX486 sensor |
📸 Front camera | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| Front camera (secondary) | 50 megapixels | 13 megapixels |
| Front camera resolution | 8160x6120 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.5 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| Loudspeaker | Stereo sound with dual speakers OZO audio | Supported NXP amplifier |
| Active noise cancellation | 2 microphones | 2 microphones or more |
| Radio | FM | FM |
| 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 | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Micro-B USB MHL |
| Bluetooth | 5.2 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) HBA4633AA | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4600 mAh | 5000 mAh |
| Charger, watts | 33W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | 15W Qi2 wireless charging 5W Reverse wireless charging | Not supported |
| Talk time autonomy | feature not registered | 45 hours (1.9 days) |
| Standby | feature not registered | 833.3 hours (34.7 days) |
➕ Other features | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| 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: Twisted Black, Blue Topaz, Neon Pink | • Colors: Blue, Titanium • Touch glove display |
☢️ Radiation rate | ||
| HMD Skyline (256GB/8GB) | Asus Zenfone Max Pro M2 (ZB631KL 32GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |