Motorola Droid RAZR XT912 vs Lenovo Vibe Z2 Pro (K920)
Side by side comparison between Motorola Droid RAZR XT912 vs Lenovo Vibe Z2 Pro phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
AMOLED
AMOLED
540x960
8
MP
MP
1.3mp
1GB
RAM
RAM
Dual-core
1780
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!
7 Advantages 
20 Advantages | 21 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus |
| 4G LTE / 4G LTE-A |
| 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 | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| Change model | ||
| Model | Droid RAZR XT912 | Vibe Z2 Pro (K920) |
| Other model names | Verizon Motorola Razr XT912, Motorola Spyder | Phablet Lenovo K920 Vibe Z2 Pro LTE-A |
| Country or region available |  USA | feature not registered |
| Brand | Motorola | Lenovo |
| Release date | 11/11/2011 | 9/1/2014 |
| Depth | 7.1 millimeters (0.28 inches) | 7.7 millimeters (0.3 inches) |
| Size (width x height) | 68.9 x 130.7 millimeters (2.71 x 5.15 in) | 81.3 x 156 millimeters (3.2 x 6.14 in) |
| Weight | 127 grams (4.45 ounces) | 179 grams (6.27 ounces) |
| Build, materials | Plastic body, glass front Back: KEVLAR | feature not registered |
| Protection against water and others | Water splash resistant (don't immerse) | Not supported |
📲 Display | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| Display type | Super AMOLED Advanced | TFT IPS LCD |
| Screen size | 4.3" inches | 6" inches |
| Screen-to-body ratio | ~56.6% (screen-to-body ratio) | ~78.3% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 1440x2560 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 256 PPI | 490 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| System version | Android 2.3.5 Gingerbread | Android 4.4.2 KitKat |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| User Interface | MOTOBLUR UI | feature not registered |
⚙️ Processor | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| Chipset | 32bit: Texas Instruments OMAP 4430 (45nm) | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A9 (Dual-core) | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) |
| GPU graphical controller | PowerVR SGX540 MP1 (365MHz) | Qualcomm Adreno 330 578Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| RAM memory | 1GB LPDDR2 | 3GB LPDDR3 |
| Internal storage | 16GB (13GB available) | 32GB |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 50/5.76 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat2 (13) | LTE 800/850/900/1800/2100/2600 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, 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 | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| Back camera (main camera) | 8 megapixels | 16 megapixels |
| Main camera resolution | 3264x2448 pixels | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| 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 |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital 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 | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| Front camera (secondary) | 1.3 megapixels | 5 megapixels |
| Front camera resolution | 1280x1024 pixels | 2592x1944 pixels |
| Video recording (secondary) | HD (1280x720) | 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 | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, H.264, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, AAC+, WAV, WMA | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Mini HDMI Type C | Not supported |
| Bluetooth | 4.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1780 mAh | 4000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 12.5 hours | 45 hours (1.9 days) |
| Standby | 205 hours (8.5 days) | 940 hours (39.2 days) |
➕ Other features | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Purple • 16GB microSD included CDMA/GSM Dual-mode • Docking connector • HDMI 1.3 Java framework | • Colors: Black, White, Gold • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Motorola Droid RAZR XT912 | Lenovo Vibe Z2 Pro (K920) | |
| 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 |