Amazon Fire Phone (64GB) vs Lenovo Vibe Z2 Pro (K920)
Side by side comparison between Amazon Fire Phone vs Lenovo Vibe Z2 Pro phones, differences, pros, cons and full specifications. What's the better?
,
4.7"
IPS
IPS
720x1280
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
2400
mAh
mAh
(Non removable)
vs
6"
IPS
IPS
1440x2560
16
MP
MP
5mp
3GB
RAM
RAM
Quad-core
4000
mAh
mAh
(Non removable)
What's the better phone? Lenovo Vibe Z2 Pro (K920)
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!
5 Advantages 
17 Advantages | 24 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| (front) Full HD (1920x1080) |
| 4G LTE / 4G LTE-A |
| +17 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 | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| Model | Fire Phone (64GB) | Vibe Z2 Pro (K920) |
| Other model names | AT&T Amazon Firephone SD4930UR | Phablet Lenovo K920 Vibe Z2 Pro LTE-A |
| Country or region available |  USA | feature not registered |
| Brand | Amazon | Lenovo |
| Release date | 7/25/2014, Announced: 6/18/2014 | 9/1/2014 |
| Depth | 8.9 millimeters (0.35 inches) | 7.7 millimeters (0.3 inches) |
| Size (width x height) | 66.5 x 139.2 millimeters (2.62 x 5.48 in) | 81.3 x 156 millimeters (3.2 x 6.14 in) |
| Weight | 160 grams (5.6 ounces) | 179 grams (6.27 ounces) |
| Build, materials | Plastic body, glass front/back Back: Gorilla Glass 3 | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 4.7" inches | 6" inches |
| Screen-to-body ratio | ~65.8% (screen-to-body ratio) | ~78.3% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 1440x2560 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 312 PPI | 490 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| System version | Android 4.2.2 Jelly Bean | Android 4.4.2 KitKat |
| Firmware update | feature not registered | feature not registered |
| User Interface | Amazon Fire OS UI 3.5 / 3.6.5 | feature not registered |
⚙️ Processor | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| Chipset | 32bit: Qualcomm Snapdragon 800 MSM8974 (28nm) | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) |
| CPU | Quad-core, 1 processor: 4x 2.2GHz Krait 400 (Quad-core) | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 330 | Qualcomm Adreno 330 578Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| RAM memory | 2GB LPDDR3 | 3GB LPDDR3 |
| Internal storage | 64GB (57GB available) eMMC 4.5 | 32GB |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 100/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat3 (1, 2, 3, 4, 5, 7, 8, 17, 20) | LTE 800/850/900/1800/2100/2600 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| Back camera (main camera) | 13 megapixels | 16 megapixels |
| Main camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.0 (aperture) | 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 |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital 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 only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| Front camera (secondary) | 2.1 megapixels | 5 megapixels |
| Front camera resolution | 1920x1080 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| 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 | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| Loudspeaker | Stereo sound Dolby Digital Plus | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2400 mAh | 4000 mAh |
| Charger, watts | 9W Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 22 hours | 45 hours (1.9 days) |
| Standby | 285 hours (11.9 days) | 940 hours (39.2 days) |
➕ Other features | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| Call control | Voice recorder | 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 • 3D Dynamic Perspective UI (based on 4 front cameras) • System wide tilt, auto-scroll, swivel and peek functions • Unlimited Cloud Drive photo storage | • Colors: Black, White, Gold • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Amazon Fire Phone (64GB) | Lenovo Vibe Z2 Pro (K920) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.34W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |