LG Q51 vs Samsung Galaxy A21s

Phones Images
PHONES
Phone Names LG Q51 Samsung Galaxy A21s
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 7, 8, 201, 2, 3, 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, May 15. Released 2020, June 02
StatusDiscontinuedDiscontinued
Body
Build-Glass front, plastic frame, plastic back
Dimensions164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight-192 g (6.77 oz)
 MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions-
Display
Resolution720 x 1520 pixels, 19:9 ratio (~259 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio)
TypeIPS LCDPLS LCD
Platform
CPUOcta-core 2.0 GHz Cortex-A53Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
ChipsetMediatek MT6762 Helio P22 (12 nm)Exynos 850 (8 nm)
GPUPowerVR GE8320Mali-G52
OSAndroid 10Android 10, upgradable to Android 12, One UI 4.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 3GB RAM32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 2GB RAM, 128GB 3GB RAM, 128GB 4/6GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
FeaturesLED flash, panorama, HDRLED flash, panorama, HDR
Quad-48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Triple13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens-
Video1080p@30fps1080p@30fps
Selfie camera
Single13 MP, (wide), 1/3.1", 1.12µm13 MP, f/2.2, (wide), 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
NFCYesYes (market/region dependent)
PositioningGPSGPS, GLONASS, GALILEO, BDS
RadioNoFM radio, RDS, recording
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-15W wired
TypeLi-Po 4000 mAhLi-Po 5000 mAh
Misc
ColorsFrozen White, Moonlight TitaniumBlack, White, Blue, Red
ModelsLM-Q510NSM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N
PriceAbout 240 EURAbout 220 EUR
SAR EU-0.42 W/kg (head)     1.54 W/kg (body)
Tests
Battery life-Endurance rating 119h
Camera- Photo / Video
Display- Contrast ratio: 1287:1 (nominal)
Loudspeaker- -30.0 LUFS (Average)
Performance- AnTuTu: 107157 (v8) GeekBench: 1100 (v5.1) GFXBench: 11fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 119h
Camera-Photo / Video
Display-1287:1 contrast ratio, 490 nits max brightness (measured)
Loudspeaker--30.0 LUFS (Average)
Performance-AnTuTu: 107157 (v8) GeekBench: 1100 (v5.1) GFXBench: 11fps (ES 3.1 onscreen)