LG Optimus GT540 vs LG K20 (X120WM)
Side by side comparison between LG Optimus GT540 vs LG K20 phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.45"
IPS
IPS
480x960
8
MP
MP
5mp
1GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
What's the better phone? LG K20 (X120WM)
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 
28 Advantages | 11 Common items in both devices |
| Plastic body / Plastic body, glass front |
| Only digital zoom |
| Autofocus |
| Accelerometer |
| Proximity sensor |
| Hands-free calling |
| Vibrating alert |
| +4 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 | LG K20 (X120WM) | |
| Change model | ||
| Model | Optimus GT540 | K20 (X120WM) |
| Other model names | LG GT540 Optimus, LG-GT540 | LG K20 2019 LMX120WM.ACANBK, LM-X120WM (Bell) |
| Country or region available |  (Global, International) |  Canada |
| Brand | LG | LG |
| Release date | 5/1/2010 | 8/7/2019 |
| Depth | 12.9 millimeters (0.51 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 109 x 54.5 millimeters (4.29 x 2.15 in) | 71.9 x 148.6 millimeters (2.83 x 5.85 in) |
| Weight | 115 grams (4.03 ounces) | 152 grams (5.32 ounces) |
| Build, materials | Plastic body | Plastic body, glass front |
| Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3" inches | 5.45" inches |
| Screen-to-body ratio | ~45.1% (screen-to-body ratio) | ~71.7% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 480x960 pixels (18:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 192 PPI | 197 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| System version | Android 1.6 Donut | Android 9.0 Pie |
| Firmware update | Android 2.1 Eclair | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| Chipset | 32bit: Qualcomm MSM7227 | 64bit: MediaTek MT6739 (28nm) |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 200 | PowerVR GE8100 MP1 (570MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| RAM memory | 256MB SDRAM | 1GB LPDDR3 |
| Internal storage | 256MB (130MB available) | 16GB (11GB available) eMMC 5.1 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| 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 (2, 4, 7, 17) VoLTE |
| 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 | LG K20 (X120WM) | |
| Back camera (main camera) | 3.1 megapixels | 8 megapixels |
| Main camera resolution | 2048x1536 pixels | 3264x2448 pixels |
| Video recording (primary) | VGA (640x480) 15 fps | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash on both cameras |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| Front camera (secondary) | Not supported | 5 megapixels |
| Front camera resolution | Not supported | 2560x1920 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | feature not registered | 1/5" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, Xvid, H.264, H.263, WMV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, WMA | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not 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 GT540 | LG K20 (X120WM) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| Battery type | LiPo: li-ion polymer (Removable) LGIP-400N | Li-Ion: lithium-ion (Non removable) BL-01 |
| Battery capacity | 1500 mAh | 3000 mAh |
| Charger, watts | Wired charging | 6W (5V/1.2A) Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 6.3 hours | 17 hours |
| Standby | 500 hours (20.8 days) | 600 hours (25 days) |
➕ Other features | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| 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, Blue, Platinum • Android Go edition • Google assistant • WiFi hotspot |
☢️ Radiation rate | ||
| LG Optimus GT540 | LG K20 (X120WM) | |
| 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 |