LG Optimus Chat C550 vs Lenovo ZUK Z2 Pro (64GB)
Side by side comparison between LG Optimus Chat C550 vs Lenovo ZUK Z2 Pro phones, differences, pros, cons and full specifications. What's the better?
,
2.8"
TFT
TFT
320x480
3.1
MP
MP
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
5.2"
AMOLED
AMOLED
1080x1920
13
MP
MP
8mp
4GB
RAM
RAM
Quad-core
3100
mAh
mAh
(Non removable)
What's the better phone? Lenovo ZUK Z2 Pro (64GB)
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!
4 Advantages 
29 Advantages | 11 Common items in both devices |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| Proximity sensor |
| +4 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 | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| Change model | ||
| Model | Optimus Chat C550 | ZUK Z2 Pro (64GB) |
| Other model names | LG C550 Optimus Chat, LG Optimus Chat C550 | Lenovo Zuk Z2 Pro Exclusive Z2121 4GB RAM, 联想ZUK Z2121 |
| Country or region available | feature not registered |  China |
| Brand | LG | Lenovo |
| Release date | 3/1/2011 | 6/1/2016 |
| Depth | 16.25 millimeters (0.64 inches) | 7.5 millimeters (0.3 inches) |
| Size (width x height) | 59 x 109 millimeters (2.32 x 4.29 in) | 70.5 x 145.4 millimeters (2.78 x 5.72 in) |
| Weight | 122 grams (4.27 ounces) | 145 grams (5.08 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| Display type | TFT LCD | Super AMOLED |
| Screen size | 2.8" inches | 5.2" inches |
| Screen-to-body ratio | ~36.3% (screen-to-body ratio) | ~72.7% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 206 PPI | 424 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| System version | Android 2.2.1 Froyo | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | Android 7.0 Nougat |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| Chipset | 32bit: Qualcomm MSM7227 | 64bit: Qualcomm Snapdragon 820 MSM8996 (14nm) |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 530 624Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| RAM memory | 512MB | 4GB LPDDR4 |
| Internal storage | 140MB | 64GB (54GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 900/1700/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,20) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, 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 | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| Back camera (main camera) | 3.1 megapixels | 13 megapixels |
| Main camera resolution | 2048x1536 pixels | 4160x3120 pixels |
| Video recording (primary) | VGA (640x480) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.34µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| Front camera (secondary) | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.4µm pixel |
🔉 Sound and multimedia | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| USB | MicroUSB 2.0 | USB 3.1 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Heart rate Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1500 mAh | 3100 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5 hours | feature not registered |
| Standby | 440 hours (18.3 days) | feature not registered |
➕ Other features | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| Call control | 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 | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black, Silver, Blue, Red, Pink • LG 3Way Sync • Wi-Fi Direct • Wi-Fi hotspot • Java framework | • Colors: Titanium Black, Ceramic White • Aluminum frame • 2.5D glass screen • 2.5D glass in the back • ZUI 2.5.3 • LED notification • Fast battery charging • Quick Charge 3.0 |
☢️ Radiation rate | ||
| LG Optimus Chat C550 | Lenovo ZUK Z2 Pro (64GB) | |
| 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 |