LG Optimus Chat C550 vs LG Quantum (C900K)
Side by side comparison between LG Optimus Chat C550 vs LG Quantum 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
What's the better phone? LG Quantum (C900K)
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!
3 Advantages 
12 Advantages | 21 Common items in both devices |
| 512MB |
| TFT LCD |
| Only digital zoom |
| Autofocus |
| 3G HSUPA |
| 7.2 Mbps |
| Capacitive |
| +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 | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| Change model | ||
| Model | Optimus Chat C550 | Quantum (C900K) |
| Other model names | LG C550 Optimus Chat, LG Optimus Chat C550 | AT&T LG Quantum C900K, LG-C900K, LG Pacific |
| Country or region available | feature not registered | feature not registered |
| Brand | LG | LG |
| Release date | 3/1/2011 | 11/9/2010 |
| Depth | 16.25 millimeters (0.64 inches) | 15.2 millimeters (0.6 inches) |
| Size (width x height) | 59 x 109 millimeters (2.32 x 4.29 in) | 59.5 x 119.5 millimeters (2.34 x 4.7 in) |
| Weight | 122 grams (4.27 ounces) | 176 grams (6.16 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 2.8" inches | 3.5" inches |
| Screen-to-body ratio | ~36.3% (screen-to-body ratio) | ~49% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 206 PPI | 267 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| System version | Android 2.2.1 Froyo | Windows Phone 7.0 |
| Firmware update | feature not registered | Windows Phone 7.5 Refresh Tango |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| Chipset | 32bit: Qualcomm MSM7227 | 32bit: Qualcomm Snapdragon S1 QSD8650 |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| RAM memory | 512MB | 512MB |
| Internal storage | 140MB | 16GB |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 7.2/2 Mbps |
| Network technology | 2G, 3G | 2G, 3G |
| 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 900/1700/2100 | UMTS 850/1900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| Back camera (main camera) | 3.1 megapixels | 5 megapixels |
| Main camera resolution | 2048x1536 pixels | 2560x1920 pixels |
| Video recording (primary) | VGA (640x480) 30 fps | HD (1280x720) 24 fps |
| Flash | Not supported | 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 | feature not registered | Not supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | feature not registered |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| 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 | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | feature not registered | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5 hours | 7 hours |
| Standby | 440 hours (18.3 days) | 350 hours (14.6 days) |
➕ Other features | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| Call control | Voice recorder | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Black, Silver, Blue, Red, Pink • LG 3Way Sync • Wi-Fi Direct • Wi-Fi hotspot Java framework | • Colors: Black • Bing Maps |
☢️ Radiation rate | ||
| LG Optimus Chat C550 | LG Quantum (C900K) | |
| 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 |