ZTE Axon M (Z999) vs Palm Treo Pro (850w)
Side by side comparison between ZTE Axon M vs Palm Treo Pro phones, differences, pros, cons and full specifications. What's the better?
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5.2"
IPS
IPS
1080x1920
20
MP
MP
4GB
RAM
RAM
Quad-core
3180
mAh
mAh
(Non removable)
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What's the better phone? ZTE Axon M (Z999)
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!
27 Advantages 
2 Advantages | 6 Common items in both devices |
| Only digital zoom |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| A-GPS, GeoTagging, GLONASS / A-GPS |
| USB 2.0 Type-C reversible connector / MicroUSB 2.0 |
| + 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) | Palm Treo Pro (850w) | |
| Change model | ||
| Model | Axon M (Z999) | Treo Pro (850w) |
| Other model names | AT&T ZTE Axon M foldable, ZTE Z999, 中兴天机Axon M | Palm Treo Pro 850w, HTC Panther |
| Country or region available |  USA | feature not registered |
| Brand | ZTE | Palm |
| Release date | 11/1/2017 | 9/2/2008 |
| Depth | 12.2 millimeters (0.48 inches) | 13.5 millimeters (0.53 inches) |
| Size (width x height) | 71.6 x 150.9 millimeters (2.82 x 5.94 in) | 60 x 114 millimeters (2.36 x 4.49 in) |
| Weight | 230 grams (8.05 ounces) | 133 grams (4.66 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 5.2" inches | 2.5" inches |
| Screen-to-body ratio | ~69% (screen-to-body ratio) | ~29.5% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 320x320 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 424 PPI | 181 PPI |
| Colors | 16 million | 65 thousand |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| System version | Android 7.1.2 Nougat | Windows Mobile 6.1 Professional |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| Chipset | 64bit: Qualcomm Snapdragon 821 MSM8996AB Pro (14nm) | 32bit: Qualcomm MSM7201 |
| CPU | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Single-core, 1 processor: 1x 400MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | Qualcomm Adreno 530 624Mhz | Qualcomm Adreno 130 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| RAM memory | 4GB LPDDR4 | 128MB SDRAM |
| Internal storage | 64GB (45GB available) | 256MB (100MB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 8GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/50 Mbps | 3.6 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 850/1900/2100 |
| Primary 4G network | LTE Cat12 (Bands 2, 4, 5, 12, 29, 30, 66) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | CSD, GPRS, EDGE, UMTS, HSDPA |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| Back camera (main camera) | 20 megapixels | 2 megapixels |
| Main camera resolution | 5472x3648 pixels | 1600x1200 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | QVGA (320x240) 15 fps |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo only main camera | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| 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) | Palm Treo Pro (850w) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | 3GP, MPEG4 |
| Audio formats | MP3, WAV, OGG, eAAC+, FLAC | MP3, AAC, WMA |
🔌 Connectivity | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 2.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3180 mAh | 1500 mAh |
| Charger, watts | 18W Wired fast charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 28.5 hours (1.2 days) | 5 hours |
| Standby | 290 hours (12.1 days) | 250 hours (10.4 days) |
➕ Other features | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| Call control | Voice dialing, Voice recorder | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | feature not registered |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Fixed QWERTY keyboard |
| 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: Obsidian Java framework |
☢️ Radiation rate | ||
| ZTE Axon M (Z999) | Palm Treo Pro (850w) | |
| 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 |