Xiaomi 15 (China 256GB/12GB) vs ZTE Axon M (Z999)
Side by side comparison between Xiaomi 15 vs ZTE Axon M phones, differences, pros, cons and full specifications. What's the better?
,
6.36"
AMOLED
AMOLED
1200x2670
50
MP
MP
32mp
12GB
RAM
RAM
Octa-core
5400
mAh
mAh
(Non removable)
vs
5.2"
IPS
IPS
1080x1920
20
MP
MP
4GB
RAM
RAM
Quad-core
3180
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 15 (China 256GB/12GB)
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!
32 Advantages 
2 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 | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| Model | Xiaomi 15 (China 256GB/12GB) | Axon M (Z999) |
| Other model names | Xiaomi 15 24129PN74C | AT&T ZTE Axon M foldable, ZTE Z999, 中兴天机Axon M |
| Country or region available |  China |  USA |
| Brand | Xiaomi | ZTE |
| Release date | 10/29/2024 | 11/1/2017 |
| Depth | 8.4 millimeters (0.33 inches) | 12.2 millimeters (0.48 inches) |
| Size (width x height) | 71.2 x 152.3 millimeters (2.8 x 6 in) | 71.6 x 150.9 millimeters (2.82 x 5.94 in) |
| Weight | 192 grams (6.72 ounces) | 230 grams (8.05 ounces) |
| Build, materials | Aluminum body, glass front | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| Display type | LTPO AMOLED | TFT IPS LCD |
| Screen size | 6.36" inches | 5.2" inches |
| Screen-to-body ratio | ~90% (screen-to-body ratio) | ~69% (screen-to-body ratio) |
| Display resolution | 1200x2670 pixels (20:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 460 PPI | 424 PPI |
| Colors | 68 billion | 16 million |
| Scratch-resistant glass | Dragon Crystal Glass | Gorilla Glass 5 |
| Refresh rate | 120Hz | feature not registered |
| Display features | 3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz | feature not registered |
🤖 Operating System | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| System version | Android 15 | Android 7.1.2 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | HyperOS 2 | feature not registered |
⚙️ Processor | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) | 64bit: Qualcomm Snapdragon 821 MSM8996AB Pro (14nm) |
| CPU | Octa-core, 2 processors: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 830 (1100MHz) | Qualcomm Adreno 530 624Mhz |
| Performance (benchmark) | AnTuTu: 2534643 (v10) Geekbench: 9419 (v6) | feature not registered |
💽 Memory and storage | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| RAM memory | 12GB LPDDR5X | 4GB LPDDR4 |
| Internal storage | 256GB (220GB available) UFS 4.0 | 64GB (45GB available) |
| External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 300/50 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 | Dual-Band 850/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | 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 | LTE Cat12 (Bands 2, 4, 5, 12, 29, 30, 66) |
| Primary 5G network | SA/NSA/Sub6 (1, 2, 3, 5, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | 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 | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | Not supported |
📷 Camera | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| Back camera (main camera) | (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 | 20 megapixels |
| Main camera resolution | 8160x6120 pixels | 5472x3648 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.6 (aperture) | f/1.8 (aperture) |
| Focal length | 23mm (lens) | feature not registered |
| Sensor size | 1/1.31" inches | 1/2.8" inches |
| Pixel size | 1.2µm pixel | 1µm 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 | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo only main camera |
| Camera extras | 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 | feature not registered |
📸 Front camera | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| Front camera (secondary) | 32 megapixels | Not supported |
| Front camera resolution | 6528x4896 pixels | Not supported |
| Video recording (secondary) | 4K UHD (3840x2160) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 21mm (lens) | feature not registered |
| Sensor size | 1/3.14" inches | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res | Supported |
| Active noise cancellation | 4 microphones | 2 microphones or more |
| Radio | Not supported | 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 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 6.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| Battery type | Li-Si: lithium-silicon (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5400 mAh | 3180 mAh |
| Charger, watts | 90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 | 18W Wired fast charging |
| Inductive / wireless charging | 50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 28.5 hours (1.2 days) |
| Standby | feature not registered | 290 hours (12.1 days) |
➕ Other features | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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: Black, White, Green, Lilac, Liquid Silver • Xiaomi HyperAI | • 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 |
☢️ Radiation rate | ||
| Xiaomi 15 (China 256GB/12GB) | ZTE Axon M (Z999) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.99W/kg (head), 1W/kg (body) | feature not registered |