HTC Nexus One vs LG G5 vs Samsung Galaxy A51

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

3.7 inches
5.3 inches
6.5 inches

Resolution:

800 x 480 pixels, 252 PPI
2560 x 1440 pixels, 554 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

AMOLED
IPS LCD
Super AMOLED

Screen-to-body:

54.80 %
70.15 %
87.37 %

Colors:

16 777 216

Touchscreen:

Capacitive
Capacitive, Multi-touch

Features:

Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon S1 QSD8250
Qualcomm Snapdragon 820 8996
Samsung Exynos 9611

Processor:

Single core, 1000 MHz, Scorpion
Quad-core, 2200 MHz, Kryo, 64-bit, 14 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU:

Adreno 200
Adreno 530
Mali-G72 MP3

RAM:

0.5GB
4GB LPDDR4
4GB LPDDR4

ROM:

512 MB

Internal storage:

32GB, available to use: 22.4 GB
128GB, available to use: 105.9 GB

Storage expansion:

microSDHC up to 32 GB
microSDXC up to 2000 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (2.3.4, 2.2, 2.1)
Android (8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow), LG UX UI
Android (11, 10), Samsung One UI

Battery

Capacity:

1400 mAh
2800 mAh
4000 mAh

Type:

Li - Ion, User replaceable
Li - Ion, User replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Qualcomm Quick Charge 3.0
Fast charging

Camera

Rear:

Single camera
Dual camera
Quad camera

Main camera:

5 MP (Autofocus)
16 MP (OIS, Laser autofocus)
48 MP (PDAF)

Specifications:

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2.6"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

8 MP
12 MP (Ultra-wide)

Specifications:

Aperture size: F2.4; Focal Length: 9 mm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

5 MP (Macro)

Specifications:

Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

720x480 (DVD) (20 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

HDR, Time-lapse video, Picture-taking during video recording, Video calling, Video sharing
Hyperlapse, EIS

Front:

8 MP
32 MP (HDR)

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

4.69 x 2.35 x 0.45 inches (119 x 59.8 x 11.5 mm)
5.88 x 2.91 x 0.29 inches (149.4 x 73.9 x 7.3 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight:

4.59 oz (130.0 g)
5.61 oz (159.0 g)
6.07 oz (172.0 g)

Materials:

Back: Metal
Back: Plastic; Frame: Plastic

Biometrics:

Fingerprint (touch)
2D Face unlock, In-screen fingerprint

Features:

Trackball, Notification light

Keys:

Left: Volume control
Left: Volume control
Right: Volume control, Lock/Unlock key

Colors:

Gold, Gray, Silver, Pink
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

LTE (FDD):

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 41(2600+)

UMTS:

Bands 5(850), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Data Speed:

HSDPA 7.2 Mbit/s, HSUPA 2 Mbit/s, UMTS
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Album art cover, Background playback
aptX-HD
Dolby Atmos

Screen mirroring:

DLNA, Wireless screen share, SlimPort
Wireless screen share

Radio:

FM, Stereo, RDS
FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

2.1
4.2
5.0

Wi-Fi:

802.11 b, g, n
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible)
Type-C (reversible), USB 2.0

Features:

Charging
Mass storage device, Video out, Charging
Charging, OTG

Location:

A-GPS, Cell ID
GPS, A-GPS
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Compass
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other:

Computer sync, OTA sync
NFC, UMA (Wi-Fi Calling), Infrared, Tethering, Computer sync, OTA sync
NFC, ANT+

Hearing aid compatible:

M3
M3, T3

Phone features

Notifications:

Music ringtones (MP3)
Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features:

Voice recording
Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval

FCC approval:

Date approved:

Jan 29, 2010
Nov 28, 2019

FCC ID value:

NM8PB99110 link
A3LSMA515FN link

Measured SAR:

Head:

0.96 W/kg
0.89 W/kg

Measured in:

1900 MHz

Body:

0.72 W/kg
1.18 W/kg

Measured in:

1900 MHz

Simultaneous Transmission:

1.56 W/kg

Wireless Router:

1.12 W/kg

Phablet:

2.76 W/kg

Buyers information

Price:

$ 400

User Manual:

This is the official Samsu​ng Galaxy A51 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Feb 21, 2016
Dec 12, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless