LG Optimus Chat C550 vs LG X Mach (Dual K600HK)
Side by side comparison between LG Optimus Chat C550 vs LG X mach 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
5.5"
IPS
IPS
1440x2560
12.2
MP
MP
8mp
3GB
RAM
RAM
Hexa-core
3000
mAh
mAh
(Removable)
What's the better phone? LG X Mach (Dual K600HK)
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!
1 Advantage 
28 Advantages | 14 Common items in both devices |
| Only digital zoom |
| Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| Proximity sensor |
| +7 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 X Mach (Dual K600HK) | |
| Change model | ||
| Model | Optimus Chat C550 | LG X Mach (Dual K600HK) |
| Other model names | LG C550 Optimus Chat, LG Optimus Chat C550 | LG fast, LG X mach NFC, LGK600HK, LG X5 |
| Country or region available | feature not registered |  Hong Kong |
| Brand | LG | LG |
| Release date | 3/1/2011 | 11/1/2016 |
| Depth | 16.25 millimeters (0.64 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 59 x 109 millimeters (2.32 x 4.29 in) | 76.5 x 149.1 millimeters (3.01 x 5.87 in) |
| Weight | 122 grams (4.27 ounces) | 156 grams (5.46 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus Chat C550 | LG X Mach (Dual K600HK) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 2.8" inches | 5.5" inches |
| Screen-to-body ratio | ~36.3% (screen-to-body ratio) | ~73.1% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 1440x2560 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 206 PPI | 534 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG Optimus Chat C550 | LG X Mach (Dual K600HK) | |
| System version | Android 2.2.1 Froyo | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus Chat C550 | LG X Mach (Dual K600HK) | |
| Chipset | 32bit: Qualcomm MSM7227 | 64bit: Qualcomm Snapdragon 808 MSM8992 (20nm) |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | Hexa-core, 2 processors: 2x 1.8GHz ARM Cortex-A57 (Dual-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 418 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus Chat C550 | LG X Mach (Dual K600HK) | |
| RAM memory | 512MB | 3GB LPDDR3 |
| Internal storage | 140MB | 32GB (22GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus Chat C550 | LG X Mach (Dual K600HK) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| 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 | 450/50 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 900/1700/2100 | TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 700/900/1700/1800/2100/2600 (Bands 1,3,4,7,8,17) 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, 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 | LG X Mach (Dual K600HK) | |
| Back camera (main camera) | 3.1 megapixels | 12.2 megapixels |
| Main camera resolution | 2048x1536 pixels | 4032x3024 pixels |
| Video recording (primary) | VGA (640x480) 30 fps | 4K UHD (3840x2160) 30 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 | 1.55µm pixel |
| Autofocus | Autofocus | Autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital 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 | LG X Mach (Dual K600HK) | |
| 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 | 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 X Mach (Dual K600HK) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263, DivX, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Optimus Chat C550 | LG X Mach (Dual K600HK) | |
| 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 | 4.1 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| LG Optimus Chat C550 | LG X Mach (Dual K600HK) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus Chat C550 | LG X Mach (Dual K600HK) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5 hours | 13 hours |
| Standby | 440 hours (18.3 days) | 300 hours (12.5 days) |
➕ Other features | ||
| LG Optimus Chat C550 | LG X Mach (Dual K600HK) | |
| 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: Titan, White • USB OTG On-The-Go • LG AirDrive, KnockCode • Slow motion • Miracast • WiFi Dual-Band |
☢️ Radiation rate | ||
| LG Optimus Chat C550 | LG X Mach (Dual K600HK) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.605W/kg (head), 1.1W/kg (body) |