LG Quantum (C900K) vs LG Optimus Speed (P990)
Side by side comparison between LG Quantum vs LG Optimus Speed phones, differences, pros, cons and full specifications. What's the better?
,
vs
4"
IPS
IPS
480x800
8
MP
MP
1.3mp
512MB
RAM
RAM
Dual-core
1500
mAh
mAh
(Removable)
What's the better phone? LG Optimus Speed (P990)
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!
2 Advantages 
14 Advantages | 26 Common items in both devices |
| 512MB / 512MB LPDDR2 |
| 16 million |
| 480x800 pixels |
| LED flash |
| Only digital zoom |
| Autofocus |
| 3G HSUPA |
| +19 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 Quantum (C900K) | LG Optimus Speed (P990) | |
| Change model | ||
| Model | Quantum (C900K) | Optimus Speed (P990) |
| Other model names | AT&T LG Quantum C900K, LG-C900K, LG Pacific | LG Optimus 2X Speed P990, LG P990 |
| Country or region available | feature not registered |      Germany, Austria, Belgium, Netherlands, Switzerland |
| Brand | LG | LG |
| Release date | 11/9/2010 | 1/24/2011 |
| Depth | 15.2 millimeters (0.6 inches) | 10.9 millimeters (0.43 inches) |
| Size (width x height) | 59.5 x 119.5 millimeters (2.34 x 4.7 in) | 63.2 x 123.9 millimeters (2.49 x 4.88 in) |
| Weight | 176 grams (6.16 ounces) | 139 grams (4.87 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Quantum (C900K) | LG Optimus Speed (P990) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3.5" inches | 4" inches |
| Screen-to-body ratio | ~49% (screen-to-body ratio) | ~58.2% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 233 PPI |
| Colors | 16 million | 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 Quantum (C900K) | LG Optimus Speed (P990) | |
| System version | Windows Phone 7.0 | Android 2.2.1 Froyo |
| Firmware update | Windows Phone 7.5 Refresh Tango | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Quantum (C900K) | LG Optimus Speed (P990) | |
| Chipset | 32bit: Qualcomm Snapdragon S1 QSD8650 | 32bit: NVIDIA Tegra 2 250 AP20H |
| CPU | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 200 | ULP NVIDIA GeForce |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Quantum (C900K) | LG Optimus Speed (P990) | |
| RAM memory | 512MB | 512MB LPDDR2 |
| Internal storage | 16GB | 8GB (6GB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG Quantum (C900K) | LG Optimus Speed (P990) | |
| 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 | 7.2/2 Mbps | 7.2/5.76 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 850/1900/2100 | UMTS 900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | 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 Quantum (C900K) | LG Optimus Speed (P990) | |
| Back camera (main camera) | 5 megapixels | 8 megapixels |
| Main camera resolution | 2560x1920 pixels | 3264x2448 pixels |
| Video recording (primary) | HD (1280x720) 24 fps | Full HD (1920x1080) 24 fps |
| Flash | LED flash | 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 | Not supported | Supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Quantum (C900K) | LG Optimus Speed (P990) | |
| Front camera (secondary) | Not supported | 1.3 megapixels |
| Front camera resolution | Not supported | 1280x1024 pixels |
| Video recording (secondary) | Not supported | VGA (640x480) |
| 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 Quantum (C900K) | LG Optimus Speed (P990) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV | MP4, DivX, XviD, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| LG Quantum (C900K) | LG Optimus Speed (P990) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro HDMI Type D |
| Bluetooth | 2.1 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG Quantum (C900K) | LG Optimus Speed (P990) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Quantum (C900K) | LG Optimus Speed (P990) | |
| 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 | 7 hours | 7.9 hours |
| Standby | 350 hours (14.6 days) | 400 hours (16.7 days) |
➕ Other features | ||
| LG Quantum (C900K) | LG Optimus Speed (P990) | |
| 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black • Bing Maps | • Colors: Black • NVIDIA Tegra Zone • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| LG Quantum (C900K) | LG Optimus Speed (P990) | |
| 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 |