Oppo R7 Plus (USA) vs LG K40 (X420EMW)
Side by side comparison between Oppo R7 Plus vs LG K40 phones, differences, pros, cons and full specifications. What's the better?
,
6"
AMOLED
AMOLED
1080x1920
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4100
mAh
mAh
(Non removable)
vs
5.7"
IPS
IPS
720x1440
16
MP
MP
8mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Oppo R7 Plus (USA)
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!
12 Advantages 
12 Advantages | 26 Common items in both devices |
| 16 million |
| Only digital zoom |
| LDAF: laser detection autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo/video and HDR photo on front camera / HDR photo on both cameras |
| 1/3" inches |
| (front) 8MP |
| +19 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 | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| Model | Oppo R7 Plus (USA) | K40 (X420EMW) |
| Other model names | Oppo R7plusf USA, Oppo R7 Plus LTE, Oppo R7 Plus Dual Sim | LG K40 LMX420EMW NFC Dual-sim, LM-X420EMW, LG-LMX420EMW |
| Country or region available |  USA |   (Global, International), (Europe) |
| Brand | Oppo | LG |
| Release date | 5/20/2015 | 3/31/2019 |
| Depth | 7.8 millimeters (0.31 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 82 x 158 millimeters (3.23 x 6.22 in) | 71.9 x 153 millimeters (2.83 x 6.02 in) |
| Weight | 203 grams (7.11 ounces) | 145 grams (5.08 ounces) |
| Build, materials | feature not registered | 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 | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| Display type | AMOLED | TFT IPS LCD |
| Screen size | 6" inches | 5.7" inches |
| Screen-to-body ratio | ~76.6% (screen-to-body ratio) | ~76.2% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 720x1440 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 367 PPI | 282 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| System version | Android 5.1.1 Lollipop | Android 8.1 Oreo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| Chipset | 64bit: Qualcomm Snapdragon 615 MSM8939 (28nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 405 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| RAM memory | 3GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 32GB (26GB available) | 32GB (20GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat4 700/1900/1700/2100/2600 (Bands 1,2,4,7,17) | LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE |
📷 Camera | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| Back camera (main camera) | 13 megapixels | 16 megapixels |
| Main camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | 1/3" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
| Autofocus | LDAF: laser detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video and HDR photo on front camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| Front camera (secondary) | 8 megapixels | 8 megapixels |
| Front camera resolution | 3264x2448 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.4 (aperture) | 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 | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| 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 | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Proximity sensor | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4100 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 8 hours |
| Standby | feature not registered | 100 hours (4.2 days) |
➕ Other features | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| 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, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Golden, Silver • USB OTG On-The-Go • Color OS 2.1 UI • Sony IMX728 sensor camera • Fast battery charging: 75% in 30min | • Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound |
☢️ Radiation rate | ||
| Oppo R7 Plus (USA) | LG K40 (X420EMW) | |
| 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 |