LG Optimus 2X (P990) vs Asus Zenfone Zoom (ZX550 16GB)
Side by side comparison between LG Optimus 2X vs Asus Zenfone Zoom (ZX550) phones, differences, pros, cons and full specifications. What's the better?
,
4"
IPS
IPS
480x800
8
MP
MP
1.3mp
512MB
RAM
RAM
Dual-core
1500
mAh
mAh
(Removable)
vs
5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone Zoom (ZX550 16GB)
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!
5 Advantages 
21 Advantages | 18 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| Autofocus / LDAF: laser detection autofocus |
| Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| Accelerometer |
| +11 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 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| Change model | ||
| Model | Optimus 2X (P990) | Zenfone Zoom (ZX550 16GB) |
| Other model names | LG Optimus 2X Dual, LG P990H, LG Star | Asus Zenfone Zoom ZX550 (Dual-Sim), Asus ZX550 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | LG | Asus |
| Release date | 1/24/2011 | 12/1/2015 |
| Depth | 10.9 millimeters (0.43 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 63.2 x 123.9 millimeters (2.49 x 4.88 in) | 78.8 x 158.9 millimeters (3.1 x 6.26 in) |
| Weight | 139 grams (4.87 ounces) | 185 grams (6.48 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front, leather back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 4" inches | 5.5" inches |
| Screen-to-body ratio | ~58.2% (screen-to-body ratio) | ~66.6% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| System version | Android 2.2.1 Froyo | Android 5.0.2 Lollipop |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| Chipset | 32bit: NVIDIA Tegra 2 250 AP20H | 64bit: Intel Atom Z3580 (22nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Quad-core, 1 processor: 4x 2.3GHz Intel Silvermont (Quad-core) |
| GPU graphical controller | ULP NVIDIA GeForce | PowerVR G6430 MP4 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| RAM memory | 512MB LPDDR2 | 2GB LPDDR3 |
| Internal storage | 8GB (6GB available) | 16GB (12GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 150/50 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 850/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29) TD-LTE (Bands 38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| 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 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| Back camera (main camera) | 8 megapixels | 13 megapixels |
| Main camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 24 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | feature not registered | f/2.7 (aperture) |
| Focal length | feature not registered | 28mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | LDAF: laser detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| Front camera (secondary) | 1.3 megapixels | 5 megapixels |
| Front camera resolution | 1280x1024 pixels | 2560x1920 pixels |
| Video recording (secondary) | VGA (640x480) | HD (1280x720) |
| 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 | feature not registered |
🔉 Sound and multimedia | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.263, H.264, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro HDMI Type D | Not supported |
| Bluetooth | 2.1 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non 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 | 7.9 hours | feature not registered |
| Standby | 400 hours (16.7 days) | feature not registered |
➕ Other features | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| 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 • NVIDIA Tegra Zone • WiFi hotspot • Java framework | • Colors: Black, White • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • 5GB Asus Webstorage • Only one micro SIM card can connect to 3G/4G service at a time |
☢️ Radiation rate | ||
| LG Optimus 2X (P990) | Asus Zenfone Zoom (ZX550 16GB) | |
| 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 |