LG LMX420AS K Series K40 2019 LTE-A US X420AS vs ZTE nubia RedMagic 12 Pro

LG LMX420AS K Series K40 2019 LTE-A US X420AS vs ZTE nubia RedMagic 12 Pro — full specifications compared side by side. LG LMX420AS K Series K40 2019 LTE-A US X420AS gives you the larger screen — 144.0 inches against 6.9 inches.

LG LMX420AS K Series K40 2019 LTE-A US X420AS: Specifications are still being confirmed — scores appear as data is verified.

ZTE nubia RedMagic 12 Pro: Based on announced specs — scored in 8 categories.

LG LMX420AS K Series K40 2019 LTE-A US X420AS

LG · Phone

Full specs & details
ZTE nubia RedMagic 12 Pro

ZTE nubia RedMagic 12 Pro

ZTE · Phone

7.6/ 10 — Good

Full specs & details

Key highlights

HighlightLG LMX420AS K Series K40 2019 LTE-A US X420ASZTE nubia RedMagic 12 Pro
ProcessorMediaTek Helio P22 MT6762, 2018, 64 bit, octa-core, 12 nm, IMG PowerVR GE8320 GPUQualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 (2 nm)
Display144″ · IPS LCD6.85″ · OLED · 185 Hz
Main camera—50 MP wide (f/1.9, OIS, 1/1.56", 1µm)
Battery—8,400 mAh · 80W charging
RAM / Storage32GB16GB / 1TB

Which is better?

  • ZTE nubia RedMagic 12 Pro takes 1 of the 2 categories both phones are scored in.
  • LG LMX420AS K Series K40 2019 LTE-A US X420AS gives you the larger screen — 144.0 inches against 6.9 inches.
  • LG LMX420AS K Series K40 2019 LTE-A US X420AS is the lighter phone — 145 g against 223 g.

Category scores

CategoryLG LMX420AS K Series K40 2019 LTE-A US X420ASZTE nubia RedMagic 12 Pro
Display4.68.3Better
Software5.8Tie6.0Tie
Performance—7.9
Camera—6.7
Battery—9.3
Design & Build—7.2
Audio—7.1
Call Quality—7.2

Open the interactive comparisonRadar chart, winner highlights and a differences-only view.

Reasons to consider

LG LMX420AS K Series K40 2019 LTE-A US X420AS

  • Larger display (144″ vs 6.85″)
  • Lighter body (145 g vs 223 g)

ZTE nubia RedMagic 12 Pro

  • More storage (1 TB vs 32 GB)

Full specifications side by side

SpecificationLG LMX420AS K Series K40 2019 LTE-A US X420ASZTE nubia RedMagic 12 Pro
Launch
Launch statusAvailableAnnounced
Release date2019—
Expected release window—18 Nov 2026
Platform
OSAndroidAndroid
OS versionGoogle Android 8.1 (Oreo)Android 17, Redmagic OS 12
Chipset (as published)MediaTek Helio P22 MT6762, 2018, 64 bit, octa-core, 12 nm, IMG PowerVR GE8320 GPUQualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 (2 nm)
CPU2000.0 MHzOcta-core (2x5.01 GHz Prime + 3x4.03 GHz Performance + 3x3.74 GHz Performance)
GPUPowerVR GE8320Adreno 850
Memory
Memory variants (RAM/storage)32 GB12 GB RAM + 256 GB · 16 GB RAM + 512 GB · 16 GB RAM + 1 TB
Card slot—None
Display
Display size144″6.85″
Resolution720 × 1,440 pixels1,216 × 2,688 pixels
Panel typeIPS LCDOLED
Display protectionArc GlassCorning Gorilla Glass 7i
Refresh rate—185 Hz
Brightness (peak)—5,000 nits
ZTE nubia RedMagic 12 Pro wins clearly on Display (4.6 vs 8.3)
Body & build
Weight145 g223 g
Dimensions—163 × 76 × 8.6 mm
Materials—Glass, Aluminium
Colours—Nightfreeze (Transparent Black), Subzero (Transparent Silver), Skyfrost (Blue Transparent)
SIM—Nano-SIM + Nano-SIM
Connectivity
BluetoothBluetooth 5Bluetooth 6
USBUSB Micro-AB; USB charging , USB fast charging , USB Host , USB OTG 1.3 , USB PDUSB Type-C 3.2 Gen 2, OTG, accessory connector, DisplayPort
NFC—Yes
Positioning—GPS, GLONASS, GALILEO, BDS
Camera
Front cameras4.9 MP16 MP wide (f/2, 1/3.06", 1.12µm)
Rear cameras—50 MP wide (f/1.9, OIS, 1/1.56", 1µm) · 50 MP ultrawide (f/2.2, 1/2.87", 0.61µm)
Video (max)—8K@30fps
Battery
Battery capacity—8,400 mAh
Wired charging—80W
Wireless charging—Yes
Audio
Loudspeaker—Stereo
3.5mm jack—No
Features
Sensors—Accelerometer, Gyroscope, Proximity, Compass
Fingerprint—Ultrasonic (under-display)
Network
Network technologies—2G, 3G, 4G, 5G
Additional specifications
Main Camera · FeaturesHDR photo , HDR video , Red-eye reduction , Slow motion video , Burst mode , Touch focus , Macro mode , Panorama Photo , Face detection , Face tagging , Smile detection , Face retouchLED flash, HDR, panorama
Selfie Camera · Single4.9 MP16 MP, f/2.0, 26mm (wide), 1/3.06", 1.12µm, under display
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