Alcatel Fierce 4 vs LG K51 Specs Comparison

Design

Dimensions
5.94 x 3.03 x 0.32 inches 151 x 77 x 8.1 mm	6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm
Weight
5.78 oz (164.0 g)	7.17 oz (203.4 g)
Materials
Frame: Metal
Resistance
	Yes; MIL-STD-810 certified
Biometrics
	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
	Titan gray

Display

Size
5.5-inch	6.5-inch
Resolution
1280x720px, 267 PPI	1560x720px, 19.5:9 ratio, 264 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
71.82 %	79.70 %
Colors
16 777 216
Features
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 210 8909	MediaTek Helio P22 MT6762 (12 nm)
Processor
Quad-core 1100 MHz ARM Cortex-A7	Octa-core 2000 MHz Arm Cortex-A53
GPU
Adreno 304	IMG PowerVR GE8320
RAM
2GB	3GB
Internal storage
16GB	32GB, available to use: 18 GB
Storage expansion
microSDHC up to 32 GB	microSDXC up to 2000 GB
OS
Android (6.0 Marshmallow)	Android (10)

Battery

Capacity
2500 mAh	4000 mAh
Type
Li - Ion	Li - Ion

Camera

Rear
Single camera	Triple camera
Main camera
8 MP (Autofocus)	13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm
Second camera
	5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
	2 MP (Depth information) Sensor size: 1/5" Pixel size: 1.75 μm
Flash
LED	LED
Video recording
1280x720 (HD) (30 fps) Video calling, Video sharing	1920x1080 (Full HD) Picture-taking during video recording
Front
5 MP (Wide Angle)	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.1	5.0
WLAN
802.11 b,g,n	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Hearing aid compatible
M4/T4	M3/T3
Location
GPS, A-GPS, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Compass	Accelerometer, Gyroscope, Compass
Other
Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Album art cover, Background playback	DTS:X Virtual Surround
Screen mirroring
	Wireless screen share
Radio
FM, RDS	FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 4(AWS-1), 12(700 a)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)
	Bands 41(2600+)
3G
Bands 5(850), 4(1700/2100), 2(1900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE Cat 4 (150/50 Mbit/s)	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM	Nano SIM
HD Voice
Yes	Yes
VoLTE
	Yes

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval

FCC approval
	Date approved: Jun 16, 2020 FCC ID value: ZNFL555DL
Measured SAR
	Head: 0.66 W/kg Body: 1.20 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.27 W/kg Phablet: 3.96 W/kg

Buyers information

MSRP
	$ 200
In The Box
Quick Start Guide, Charging, Data Cable, T&C	Charger, USB Cable, SIM Ejector

Availability

Officially announced
Aug 29, 2016	May 06, 2020

Alternative variants

for Boost Mobile

OS	Android (9.0 Pie)
4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)

for Verizon

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 66(AWS-3)
MSRP	$ 170

for Metro

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)	Bands 38(2600), 41(2600+)
3G	Bands 5(850), 4(1700/2100), 2(1900), 1(2100)

Links

Full specifications
Alcatel Fierce 4 Specs	LG K51 Specs
User Reviews
	LG K51 User Reviews