Asus Zenfone 3 (5.2 ZE520KL 16GB) vs LG Optimus GT540
Side by side comparison between Asus Zenfone 3 vs LG Optimus GT540 phones, differences, pros, cons and full specifications. What's the better?
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5.2"
IPS+
IPS+
1080x1920
16
MP
MP
8mp
2GB
RAM
RAM
Octa-core
2650
mAh
mAh
(Non removable)
vs
What's the better phone? Asus Zenfone 3 (5.2 ZE520KL 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!
34 Advantages 
2 Advantages | 10 Common items in both devices |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| Accelerometer |
| Proximity sensor |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| +3 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 | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| Model | Zenfone 3 (5.2 ZE520KL 16GB) | Optimus GT540 |
| Other model names | Zenfone 3 ZE520KL 2GB/16GB 5.2" Dual-SIM 1A090BR | LG GT540 Optimus, LG-GT540 |
| Country or region available |      (Global, International), Brazil, China, Philippines, India | (Global, International) |
| Brand | Asus | LG |
| Release date | 7/12/2016 | 5/1/2010 |
| Depth | 7.7 millimeters (0.3 inches) | 12.9 millimeters (0.51 inches) |
| Size (width x height) | 73.98 x 146.87 millimeters (2.91 x 5.78 in) | 109 x 54.5 millimeters (4.29 x 2.15 in) |
| Weight | 144 grams (5.04 ounces) | 115 grams (4.03 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| Display type | TFT Super IPS+ | TFT LCD |
| Screen size | 5.2" inches | 3" inches |
| Screen-to-body ratio | ~68.6% (screen-to-body ratio) | ~45.1% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels (16:9) | 320x480 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 424 PPI | 192 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | 2.5D glass | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| System version | Android 6.0.1 Marshmallow | Android 1.6 Donut |
| Firmware update | Android 8.0 Oreo | Android 2.1 Eclair |
| User Interface | ZenUI 3.0 | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| Chipset | 64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm) | 32bit: Qualcomm MSM7227 |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | Qualcomm Adreno 506 (650MHz) | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| RAM memory | 2GB LPDDR3 | 256MB SDRAM |
| Internal storage | 16GB (10GB available) eMMC 5.1 | 256MB (130MB available) |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 16GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 7.2/0.384 Mbps |
| Network technology | 2G, 3G, 4G | 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 | Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100 | UMTS 850/2100 |
| Primary 4G network | LTE Cat4 Global: LTE (1, 2, 3, 5, 7, 8, 20) India: LTE (1, 3, 5, 8) TD-LTE (40) Brazil: LTE (1, 2, 3, 4, 5, 7, 8, 17, 28) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | CSD, GPRS, EDGE, UMTS, HSDPA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | Not supported |
📷 Camera | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| Back camera (main camera) | 16 megapixels | 3.1 megapixels |
| Main camera resolution | 4608x3456 pixels | 2048x1536 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | VGA (640x480) 15 fps |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/2.0 (aperture) | 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 | LDAF/PDAF: laser/phase detection autofocus | Autofocus |
| Touch focus | Supported | Not supported |
| Image stabilization | OIS (4-axis): Optical stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | 4K@30fps 1080p@30/60fps | feature not registered |
📸 Front camera | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| Front camera (secondary) | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | 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 | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| Loudspeaker | Mono sound (not stereo) 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, DivX, Xvid, H.264, H.263, WMV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, eAAC+, WMA |
🔌 Connectivity | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 4.2 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Removable) LGIP-400N |
| Battery capacity | 2650 mAh | 1500 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 6.3 hours |
| Standby | feature not registered | 500 hours (20.8 days) |
➕ Other features | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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 | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Sapphire Black, Moonlight White, Shimmer Gold | • Colors: Black, White, Pink • 2GB microSD included • LG 3Way Sync Java framework |
☢️ Radiation rate | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | LG Optimus GT540 | |
| 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 |