LG Optimus 2X (P990) vs Acer Liquid Z2 Duo (Z120)
Side by side comparison between LG Optimus 2X vs Acer Liquid Z2 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
3.5"
TFT
TFT
320x480
3.1
MP
MP
512MB
RAM
RAM
Single-core
1300
mAh
mAh
(Removable)
What's the better phone? LG Optimus 2X (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!
19 Advantages 
6 Advantages | 19 Common items in both devices |
| 512MB LPDDR2 / 512MB |
| Until 32GB microSD, microSDHC |
| Only digital zoom |
| 3G HSUPA |
| 7.2 Mbps |
| Capacitive |
| Multitouch |
| +12 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) | Acer Liquid Z2 Duo (Z120) | |
| Change model | ||
| Model | Optimus 2X (P990) | Liquid Z2 Duo (Z120) |
| Other model names | LG Optimus 2X Dual, LG P990H, LG Star | Acer Liquid Z120, Acer Liquid Z2 Dual-Sim |
| Country or region available |  (Global, International) | feature not registered |
| Brand | LG | Acer |
| Release date | 1/24/2011 | 3/1/2013 |
| Depth | 10.9 millimeters (0.43 inches) | 12.3 millimeters (0.48 inches) |
| Size (width x height) | 63.2 x 123.9 millimeters (2.49 x 4.88 in) | 62.5 x 110 millimeters (2.46 x 4.33 in) |
| Weight | 139 grams (4.87 ounces) | 110 grams (3.85 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus 2X (P990) | Acer Liquid Z2 Duo (Z120) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 4" inches | 3.5" inches |
| Screen-to-body ratio | ~58.2% (screen-to-body ratio) | ~53.1% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 165 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG Optimus 2X (P990) | Acer Liquid Z2 Duo (Z120) | |
| System version | Android 2.2.1 Froyo | Android 4.1.1 Jelly Bean |
| 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) | Acer Liquid Z2 Duo (Z120) | |
| Chipset | 32bit: NVIDIA Tegra 2 250 AP20H | 32bit: MediaTek MT6575 |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Single-core, 1 processor: 1x 1GHz ARM Cortex-A9 (Single-core) |
| GPU graphical controller | ULP NVIDIA GeForce | PowerVR SGX531 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus 2X (P990) | Acer Liquid Z2 Duo (Z120) | |
| RAM memory | 512MB LPDDR2 | 512MB |
| Internal storage | 8GB (6GB available) | 4GB (1.17GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus 2X (P990) | Acer Liquid Z2 Duo (Z120) | |
| 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) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2/5.76 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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) | Acer Liquid Z2 Duo (Z120) | |
| Back camera (main camera) | 8 megapixels | 3.1 megapixels |
| Main camera resolution | 3264x2448 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 24 fps | VGA (640x480) |
| Flash | LED flash | 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 |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| 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) | Acer Liquid Z2 Duo (Z120) | |
| Front camera (secondary) | 1.3 megapixels | Not supported |
| Front camera resolution | 1280x1024 pixels | Not supported |
| Video recording (secondary) | VGA (640x480) | 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 2X (P990) | Acer Liquid Z2 Duo (Z120) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| 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, WMA, eAAC+ |
🔌 Connectivity | ||
| LG Optimus 2X (P990) | Acer Liquid Z2 Duo (Z120) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro HDMI Type D | Not supported |
| Bluetooth | 2.1 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG Optimus 2X (P990) | Acer Liquid Z2 Duo (Z120) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus 2X (P990) | Acer Liquid Z2 Duo (Z120) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 1300 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 7.9 hours | 4 hours |
| Standby | 400 hours (16.7 days) | 450 hours (18.8 days) |
➕ Other features | ||
| LG Optimus 2X (P990) | Acer Liquid Z2 Duo (Z120) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not 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, Black/White • SRS sound enhancement • WiFi hotspot |
☢️ Radiation rate | ||
| LG Optimus 2X (P990) | Acer Liquid Z2 Duo (Z120) | |
| 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 |