ZTE Axon M (Z999) vs HMD Skyline (256GB/8GB)
Side by side comparison between ZTE Axon M vs HMD Skyline phones, differences, pros, cons and full specifications. What's the better?
,
5.2"
IPS
IPS
1080x1920
20
MP
MP
4GB
RAM
RAM
Quad-core
3180
mAh
mAh
(Non removable)
vs
6.55"
POLED
POLED
1080x2400
108
MP
MP
50mp
8GB
RAM
RAM
Octa-core
4600
mAh
mAh
(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!
3 Advantages 
30 Advantages | 21 Common items in both devices |
| 16 million |
| PDAF: phase detection autofocus |
| f/1.8 (aperture) |
| 4K UHD (3840x2160) |
| Capacitive |
| Multitouch |
| Accelerometer |
| +14 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 | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| Change model | ||
| Model | Axon M (Z999) | Skyline (256GB/8GB) |
| Other model names | AT&T ZTE Axon M foldable, ZTE Z999, 中兴天机Axon M | HMD Skyline (8GB RAM) TA-1600 |
| Country or region available |  USA |  (Global, International) |
| Brand | ZTE | HMD |
| Release date | 11/1/2017 | 7/19/2024, Announced: 7/18/2024 |
| Depth | 12.2 millimeters (0.48 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 71.6 x 150.9 millimeters (2.82 x 5.94 in) | 75.66 x 159.84 millimeters (2.98 x 6.29 in) |
| Weight | 230 grams (8.05 ounces) | 209 grams (7.32 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP54 certified: protection against dust and splashing |
📲 Display | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| Display type | TFT IPS LCD | P-OLED |
| Screen size | 5.2" inches | 6.55" inches |
| Screen-to-body ratio | ~69% (screen-to-body ratio) | ~85.6% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 402 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 3 |
| Refresh rate | feature not registered | 144Hz |
| Display features | feature not registered | 1000nits[peak] HDR10 |
🤖 Operating System | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| System version | Android 7.1.2 Nougat | Android 14 |
| Firmware update | feature not registered | Android 16 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 821 MSM8996AB Pro (14nm) | 64bit: Qualcomm Snapdragon 7s Gen 2 (SM7435-AB) (4nm) |
| CPU | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Octa-core, 2 processors: 4x 2.4GHz ARM Cortex-A78 (Quad-core) 4x 1.95GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 530 624Mhz | Qualcomm Adreno 710 (900MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 581402 (v10) Geekbench: 2899 (v6) |
💽 Memory and storage | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| RAM memory | 4GB LPDDR4 | 8GB LPDDR5 |
| Internal storage | 64GB (45GB available) | 256GB (222GB available) UFS 2.2 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 300/50 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Dual-Band 850/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1700/1900 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat12 (Bands 2, 4, 5, 12, 29, 30, 66) | 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 |
| Primary 5G network | Not supported | SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | 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 |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| Back camera (main camera) | 20 megapixels | (triple camera) 108 megapixels 50MP telephoto f/2.01/2.76"0.64µmPDAF2x-optical-zoom 13MP ultrawide f/2.51/3"1.12µm |
| Main camera resolution | 5472x3648 pixels | 12000x9000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.8" inches | 1/1.67" inches |
| Pixel size | 1µm pixel | 0.64µm 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 | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30fps 1080p@30fps |
📸 Front camera | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| Front camera (secondary) | Not supported | 50 megapixels |
| Front camera resolution | Not supported | 8160x6120 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.5 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers OZO audio |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.2 + A2DP | 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 [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) HBA4633AA |
| Battery capacity | 3180 mAh | 4600 mAh |
| Charger, watts | 18W Wired fast charging | 33W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi2 wireless charging 5W Reverse wireless charging |
| Talk time autonomy | 28.5 hours (1.2 days) | feature not registered |
| Standby | 290 hours (12.1 days) | feature not registered |
➕ Other features | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| Call control | Voice dialing, Voice recorder | 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: Carbon Black • 2.5D glass screen • Additional 5.2" IPS screen (Dual screen) • Quick Charge 3.0 (47% in 30min) • Dolby Atmos sound • 32-bit/384kHz audio • Sony IMX350 sensor in both cameras • Slow motion 720p@240fps | • Colors: Twisted Black, Blue Topaz, Neon Pink |
☢️ Radiation rate | ||
| ZTE Axon M (Z999) | HMD Skyline (256GB/8GB) | |
| 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 |