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LG X400 (K121K) vs Oppo R11 (64GB/4GB)

Side by side comparison between LG X400 vs Oppo R11 phones, differences, pros, cons and full specifications. What's the better?

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Compare Oppo R11 X LG X400 (K121K) 06Points
5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

vs
22Points Oppo R11 (64GB/4GB) Compare LG X400 X
5.5"
AMOLED

1080x1920

16
MP

20mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? Oppo R11 (64GB/4GB)

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!

X400 (K121K)} 6 Advantages LG X400 (K121K) vs R11 (64GB/4GB)} 22 Advantages Oppo R11 (64GB/4GB)
+142 grams (4.97 ounces)6%
Lighter
vs150 grams (5.25 ounces)
+Android 8.0 OreoAdvantage
Android 8.0 Oreo is newer and safer
vsAndroid 7.1.1 Nougat
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
vsNot supported
+Digital TVAdvantage
Watch your favorite TV shows anywhere
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
1.5GHz 64bit Octa-corevs+2.2GHz 64bit Octa-core85%
More powerful processor, you can open your applications faster
2GB LPDDR3vs+4GB LPDDR4100%
More RAM memory. Typically more responsive and better for multitasking.
32GB (22GB available)vs+64GB (50GB available)127%
More internal storage for applications and files
8 millimeters (0.31 inches)vs+6.8 millimeters (0.27 inches)18%
Thinner
Plastic body, glass frontvs+Aluminum body, glass frontAdvantage
More resistant material
TFT IPS LCDvs+AMOLEDAdvantage
AMOLED display is brighter and more vivid
720x1280 pixelsvs+1080x1920 pixels125%
Higher resolution screen
277 PPIvs+401 PPI45%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.3"vs+5.5"4%
Larger screen
(back) 13MPvs+(dual camera) 16MP + 20MP177%
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
1/3" inchesvs+1/2.8" inches7%
The larger sensor camera lets you take photos with better depth.
f/2.2 (aperture)vs+f/1.7 (aperture)29%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MPvs+(front) 20MP3 times
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
(4G LTE-A) 300 Mbpsvs+(4G LTE-A) 600 Mbps100%
Faster for surfing the internet and download files
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
2800 mAhvs+3000 mAh7%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)Advantage
You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
Not supportedvs+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys

23 Common items in both devices
Until 256GB microSD, microSDXC
16 million
LED flash
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
(front) Full HD (1920x1080)
4G LTE-A
+16 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 X400 (K121K)Oppo R11 (64GB/4GB)
ModelX400 (K121K)R11 (64GB/4GB)
Other model namesKT LG X400, LGM-K121K, LGMK121K (Korea Telecom)Oppo R11 (4GB RAM), Oppo R11t, Oppo CPH1707
Country or region availableSouth Korea
South Korea
AustraliaChinaHong KongNew ZealandSingaporeTaiwan(Global, International)
Australia, China, Hong Kong, New Zealand, Singapore, Taiwan, (Global, International)
BrandLGOppo
Release date2/1/20176/10/2017
Depth8 millimeters (0.31 inches)6.8 millimeters (0.27 inches)
Size (width x height)75.29 x 148.7 millimeters (2.96 x 5.85 in)74.8 x 154.5 millimeters (2.94 x 6.08 in)
Weight142 grams (4.97 ounces)150 grams (5.25 ounces)
Build, materialsPlastic body, glass frontAluminum body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

LG X400 (K121K)Oppo R11 (64GB/4GB)
Display typeTFT IPS LCDAMOLED
Screen size5.3" inches5.5" inches
Screen-to-body ratio~69.2% (screen-to-body ratio)~72.2% (screen-to-body ratio)
Display resolution720x1280 pixels1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)277 PPI401 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 5
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

LG X400 (K121K)Oppo R11 (64GB/4GB)
System versionAndroid 7.0 NougatAndroid 7.1.1 Nougat
Firmware updateAndroid 8.0 Oreofeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

LG X400 (K121K)Oppo R11 (64GB/4GB)
Chipset64bit: MediaTek MT6750 (28nm)64bit: Qualcomm Snapdragon 660 SDM660 (14nm)
CPUOcta-core, 2 processors:
4x 1.5GHz ARM Cortex-A53 (Quad-core)
4x 1GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
4x 2.2GHz Kryo 260 Gold (Quad-core)
4x 1.8GHz Kryo 260 Silver (Quad-core)
GPU graphical controllerARM Mali-T860 MP2 520MhzQualcomm Adreno 512 650Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

LG X400 (K121K)Oppo R11 (64GB/4GB)
RAM memory2GB LPDDR34GB LPDDR4
Internal storage32GB (22GB available)64GB (50GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

LG X400 (K121K)Oppo R11 (64GB/4GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps600/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandTri-Band 900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkUMTS 2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8)
VoLTE
LTE Cat12 (Bands 1,3,4,5,7,8,20,28)
TD-LTE (Bands 38,39,40,41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE

📷 Camera

LG X400 (K121K)Oppo R11 (64GB/4GB)
Back camera (main camera)13 megapixels(dual camera)
16 megapixels
20MP f/2.61/2.8"
Main camera resolution4160x3120 pixels4608x3456 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)f/1.7 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3" inches1/2.8" inches
Pixel size1.12µm pixel1.12µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

LG X400 (K121K)Oppo R11 (64GB/4GB)
Front camera (secondary)5 megapixels20 megapixels
Front camera resolution2560x1920 pixels5472x3648 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.4 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/5" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered

🔉 Sound and multimedia

LG X400 (K121K)Oppo R11 (64GB/4GB)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)Not supported
TVDigital TVNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, OGG, eAAC+, FLAC

🔌 Connectivity

LG X400 (K121K)Oppo R11 (64GB/4GB)
USBMicroUSB 2.0, USB OTG On-The-GoMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.2 + A2DP4.2 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

LG X400 (K121K)Oppo R11 (64GB/4GB)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

LG X400 (K121K)Oppo R11 (64GB/4GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity2800 mAh3000 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy9 hoursfeature not registered
Standby390 hours (16.3 days)feature not registered

➕ Other features

LG X400 (K121K)Oppo R11 (64GB/4GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black, Gold
• 2.5D Arc Glass screen
• LG UX 5.0
• Wide-angle 120° front camera
• KnockOn, Knock Code
• DMB-TV (Korea)
• Colors: Black, Gold, Rose Gold, Red
• USB OTG On-The-Go
• Aluminum body
• ColorOS 3.1
• Silicone case included
• Fast battery charging
• VOOC Flash Charge
• Miracast

☢️ Radiation rate

LG X400 (K121K)Oppo R11 (64GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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