LG Optimus GT540 vs Asus Zenfone Zoom (ZX551ML 32GB)
Side by side comparison between LG Optimus GT540 vs Asus Zenfone Zoom (ZX551ML) phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone Zoom (ZX551ML 32GB)
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 
32 Advantages | 8 Common items in both devices |
| Autofocus / LDAF: laser detection autofocus |
| Accelerometer |
| Proximity sensor |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| A-GPS, GeoTagging / A-GPS, GeoTagging, GLONASS, BeiDou |
| + 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 GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Change model | ||
| Model | Optimus GT540 | Zenfone Zoom (ZX551ML 32GB) |
| Other model names | LG GT540 Optimus, LG-GT540 | Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML |
| Country or region available |  (Global, International) |   (Latin America), (Europe) |
| Brand | LG | Asus |
| Release date | 5/1/2010 | 12/1/2015 |
| Depth | 12.9 millimeters (0.51 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 109 x 54.5 millimeters (4.29 x 2.15 in) | 78.8 x 158.9 millimeters (3.1 x 6.26 in) |
| Weight | 115 grams (4.03 ounces) | 185 grams (6.48 ounces) |
| Build, materials | Plastic body | Aluminum frame, glass front, leather back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3" inches | 5.5" inches |
| Screen-to-body ratio | ~45.1% (screen-to-body ratio) | ~66.6% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 1080x1920 pixels |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 192 PPI | 401 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG Optimus GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| System version | Android 1.6 Donut | Android 5.0.2 Lollipop |
| Firmware update | Android 2.1 Eclair | Android 6.0 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Chipset | 32bit: Qualcomm MSM7227 | 64bit: Intel Atom Z3590 (22nm) |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 200 | PowerVR G6430 MP4 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| RAM memory | 256MB SDRAM | 4GB LPDDR3 |
| Internal storage | 256MB (130MB available) | 32GB (26GB available) |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 7.2/0.384 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 850/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Back camera (main camera) | 3.1 megapixels | 13 megapixels |
| Main camera resolution | 2048x1536 pixels | 4128x3096 pixels |
| Video recording (primary) | VGA (640x480) 15 fps | Full HD (1920x1080) 30 fps |
| Flash | Not supported | 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 | Not supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face 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 GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Front camera (secondary) | Not supported | 5 megapixels |
| Front camera resolution | Not supported | 2560x1920 pixels |
| Video recording (secondary) | Not supported | 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 GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| 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.264, H.263, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+, WMA | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| LG Optimus GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG Optimus GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Battery type | LiPo: li-ion polymer (Removable) LGIP-400N | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1500 mAh | 3000 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 6.3 hours | feature not registered |
| Standby | 500 hours (20.8 days) | feature not registered |
➕ Other features | ||
| LG Optimus GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Call control | Voice recorder | 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 | 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 | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Pink • 2GB microSD included • LG 3Way Sync Java framework | • Colors: Black, White • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • Fast battery charging: 60% in 40min • Beidou GPS • 5GB Asus Webstorage |
☢️ Radiation rate | ||
| LG Optimus GT540 | Asus Zenfone Zoom (ZX551ML 32GB) | |
| 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 |