Motorola Atrix (MB861) vs LG K4 (K120E)
Side by side comparison between Motorola Atrix vs LG K4 phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? LG K4 (K120E)
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!
10 Advantages 
14 Advantages | 19 Common items in both devices |
| Until 32GB microSD, microSDHC |
| 16 million |
| (back) 5MP |
| Only digital zoom |
| Autofocus |
| f/2.8 (aperture) |
| Capacitive |
| +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 | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| Model | Atrix (MB861) | LG K4 (K120E) |
| Other model names | Motorola Atrix 1 (3G) MB861, Motorola Olympus | LG K4 K120E, LG-K120E, LGK120E |
| Country or region available |  (Global, International) |   (Europe), South Africa |
| Brand | Motorola | LG |
| Release date | 4/1/2011 | 2/1/2016 |
| Depth | 10.95 millimeters (0.43 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 63.5 x 117.75 millimeters (2.5 x 4.64 in) | 66.7 x 131.9 millimeters (2.63 x 5.19 in) |
| Weight | 135 grams (4.73 ounces) | 120 grams (4.2 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 4" inches | 4.5" inches |
| Screen-to-body ratio | ~59% (screen-to-body ratio) | ~63.4% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 480x854 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 275 PPI | 218 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| System version | Android 2.2.1 Froyo | Android 5.1.1 Lollipop |
| Firmware update | Android 2.3.6 Gingerbread | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| Chipset | 32bit: NVIDIA Tegra 2 250 AP20H | 64bit: MediaTek MT6735M (28nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Quad-core, 1 processor: 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | NVIDIA GeForce | ARM Mali-T720 MP1 (450MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| RAM memory | 1GB LPDDR2 | 1GB LPDDR3 |
| Internal storage | 16GB (13GB available) | 8GB (3.88GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| 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 | 14.4/2 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 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (Bands 1, 3, 7, 8, 20) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | 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 | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.8 (aperture) | f/2.8 (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 |
| 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 | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| Front camera (secondary) | 0.3 megapixels | 2 megapixels |
| Front camera resolution | 640x480 pixels | 1600x1200 pixels |
| Video recording (secondary) | Not supported | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.8 (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 | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, WMV, H.264, H.263 | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Mini HDMI Type C | Not supported |
| Bluetooth | 2.1 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| Battery type | LiPo: li-ion polymer (Removable) BH6X | Li-Ion: lithium-ion (Removable) BL-49JH |
| Battery capacity | 1930 mAh | 1940 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 9 hours | 9 hours |
| Standby | 350 hours (14.6 days) | 500 hours (20.8 days) |
➕ Other features | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| 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 • Motorola MOTOBLUR UI with Live Widgets • Dock connector • Speech recognition • Google Maps Navigation • HAC (M3/T3) • Wi-Fi hotspot • Video recording at 1080p via Android 2.3 update Java framework | • Colors: White, Blue Knock Code |
☢️ Radiation rate | ||
| Motorola Atrix (MB861) | LG K4 (K120E) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.604W/kg (head), 1.19W/kg (body) |