LG Q51 vs Xiaomi Redmi Note 9

Phones Images
PHONES
Phone Names LG Q51 Xiaomi Redmi Note 9
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 7, 8, 201, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
SpeedHSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 MbpsHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2020, February 25. Released 2020, February 262020, April 30
StatusDiscontinuedAvailable. Released 2020, May 12
Body
Build-Glass front (Gorilla Glass 5), plastic frame, plastic back
Dimensions164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight-199 g (7.02 oz)
 MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditionsWater-repellent coating
Display
Protection-Corning Gorilla Glass 5
Resolution720 x 1520 pixels, 19:9 ratio (~259 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
Size6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio)
TypeIPS LCDIPS LCD, 450 nits (typ)
Platform
CPUOcta-core 2.0 GHz Cortex-A53Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
ChipsetMediatek MT6762 Helio P22 (12 nm)Mediatek MT6769Z Helio G85 (12 nm)
GPUPowerVR GE8320Mali-G52 MC2
OSAndroid 10Android 10, upgradable to Android 12, MIUI 13
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 3GB RAM64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 eMMC 5.1-
Main Camera
FeaturesLED flash, panorama, HDRLED flash, HDR, panorama
Quad-48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro), AF Auxiliary lens
Triple13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens-
Video1080p@30fps1080p@30fps
Selfie camera
Features-HDR, panorama
Single13 MP, (wide), 1/3.1", 1.12µm13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker Yes, with stereo speakersYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
Infrared port-Yes
NFCYesYes (market/region dependent)M2003J15SG (Yes); M2003J15SS (No)
PositioningGPSGPS, GLONASS, GALILEO, BDS
RadioNoFM radio, built-in antenna
USBUSB Type-C 2.0USB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximity, compassFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Charging-18W wired 9W reverse wired
TypeLi-Po 4000 mAhLi-Po 5020 mAh
Misc
ColorsFrozen White, Moonlight TitaniumForest Green, Midnight Grey, Polar White
ModelsLM-Q510NM2003J15SC, M2003J15SG, M2003J15SS
PriceAbout 240 EUR€ 88.99 / $ 85.68 / £ 136.28
SAR-0.84 W/kg (head)     0.90 W/kg (body)
SAR EU-0.80 W/kg (head)     1.14 W/kg (body)
Tests
Battery life-Endurance rating 125h
Camera- Photo / Video
Display- Contrast ratio: 1242:1 (nominal)
Loudspeaker- -30.1 LUFS (Below average)
Performance- AnTuTu: 200414 (v8) GeekBench: 1292 (v5.1)
OUR TESTS
Battery (old)-Endurance rating 125h
Camera-Photo / Video
Display-1242:1 contrast ratio, 370 nits max brightness (measured)
Loudspeaker--30.1 LUFS (Below average)
Performance-AnTuTu: 200414 (v8) GeekBench: 1292 (v5.1)