ZTE Axon M (Z999) vs Xiaomi 15 (China 512GB/16GB)
Side by side comparison between ZTE Axon M vs Xiaomi 15 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
6.36"
AMOLED
AMOLED
1200x2670
50
MP
MP
32mp
16GB
RAM
RAM
Octa-core
5400
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 15 (China 512GB/16GB)
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!
2 Advantages 
32 Advantages | 19 Common items in both devices |
| Dual-LED flash |
| PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| +12 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) | Xiaomi 15 (China 512GB/16GB) | |
| Change model | ||
| Model | Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) |
| Other model names | AT&T ZTE Axon M foldable, ZTE Z999, 中兴天机Axon M | Xiaomi 15 24129PN74C |
| Country or region available |  USA |  China |
| Brand | ZTE | Xiaomi |
| Release date | 11/1/2017 | 10/29/2024 |
| Depth | 12.2 millimeters (0.48 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 71.6 x 150.9 millimeters (2.82 x 5.94 in) | 71.2 x 152.3 millimeters (2.8 x 6 in) |
| Weight | 230 grams (8.05 ounces) | 192 grams (6.72 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| Display type | TFT IPS LCD | LTPO AMOLED |
| Screen size | 5.2" inches | 6.36" inches |
| Screen-to-body ratio | ~69% (screen-to-body ratio) | ~90% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1200x2670 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 424 PPI | 460 PPI |
| Colors | 16 million | 68 billion |
| Scratch-resistant glass | Gorilla Glass 5 | Dragon Crystal Glass |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz |
🤖 Operating System | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| System version | Android 7.1.2 Nougat | Android 15 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | HyperOS 2 |
⚙️ Processor | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 821 MSM8996AB Pro (14nm) | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) |
| CPU | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Octa-core, 2 processors: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 530 624Mhz | Qualcomm Adreno 830 (1100MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 2534643 (v10) Geekbench: 9419 (v6) |
💽 Memory and storage | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| RAM memory | 4GB LPDDR4 | 16GB LPDDR5X |
| Internal storage | 64GB (45GB available) | 512GB (458GB available) UFS 4.0 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 300/50 Mbps | 3000/1024 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, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 5, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89) |
| 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, Sub6 |
| 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, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| Back camera (main camera) | 20 megapixels | (triple camera) 50 megapixels 50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom 50MP ultrawide f/2.214mm115°1/2.76"0.64µm |
| Main camera resolution | 5472x3648 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.6 (aperture) |
| Focal length | feature not registered | 23mm (lens) |
| Sensor size | 1/2.8" inches | 1/1.31" inches |
| Pixel size | 1µm pixel | 1.2µm 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/video on both cameras |
| Camera extras | feature not registered | 8K@24/30fps (HDR) 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG) 1080p@30/60/120/240/960fps 720p@1920fps Leica Summilux |
📸 Front camera | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| Front camera (secondary) | Not supported | 32 megapixels |
| Front camera resolution | Not supported | 6528x4896 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 21mm (lens) |
| Sensor size | feature not registered | 1/3.14" inches |
| Pixel size | feature not registered | 0.7µm pixel |
🔉 Sound and multimedia | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| Loudspeaker | Supported | Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res |
| Active noise cancellation | 2 microphones or more | 4 microphones |
| Radio | Not supported | Not supported |
| 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) | Xiaomi 15 (China 512GB/16GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 3.2 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 | 6.0 + 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/be [wifi7/6E/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, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Si: lithium-silicon (Non removable) |
| Battery capacity | 3180 mAh | 5400 mAh |
| Charger, watts | 18W Wired fast charging | 90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 50W Qi Wireless charging (Qi/WPC) 10W 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) | Xiaomi 15 (China 512GB/16GB) | |
| 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: Black, White, Green, Lilac, Liquid Silver • Xiaomi HyperAI |
☢️ Radiation rate | ||
| ZTE Axon M (Z999) | Xiaomi 15 (China 512GB/16GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.99W/kg (head), 1W/kg (body) |