Google Pixel 3 XL vs Samsung Galaxy A51 vs Google Pixel 4a 5G

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

Display

Size:

6.3 inches
6.5 inches
6.2 inches

Resolution:

2960 x 1440 pixels, 18.5:9 ratio, 522 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
2340 x 1080 pixels, 19.5:9 ratio, 416 PPI

Technology:

Super AMOLED
Super AMOLED
OLED

Screen-to-body:

83.12 %
87.37 %
82.94 %

Features:

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
60Hz refresh rate, HDR video support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 845 SDM845
Samsung Exynos 9611
Qualcomm Snapdragon 765G SM7250-AB

Processor:

Octa-core, 2500 MHz, Kryo 385, 64-bit, 10 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2400 MHz, Kryo 475, 64-bit, 7 nm

GPU:

Adreno 630
Mali-G72 MP3
Adreno 620

RAM:

4GB LPDDR4
4GB LPDDR4
6GB LPDDR4

Internal storage:

64GB, not expandable
128GB, available to use: 105.9 GB
128GB (UFS 2.1), not expandable

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11, 10, 9.0 Pie)
Android (10), Samsung One UI
Android (11)

Battery

Capacity:

3430 mAh
4000 mAh
3885 mAh

Type:

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Not user replaceable

Battery life test results:

Charging:

USB Power Delivery, Qi wireless charging
Fast charging
USB Power Delivery

Max charge speed:

Wired: 18.0W

Camera

Rear:

Single camera
Quad camera
Dual camera

Main camera:

12.2 MP (OIS, PDAF, CMOS image sensor)
48 MP (PDAF)
12.2 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

12 MP (Ultra-wide)
16 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.2; Pixel size: 1 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:

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

Features:

OIS, EIS, Video calling, Video sharing
Hyperlapse, EIS
OIS, Time-lapse video, EIS

Front:

8 MP (Dual-Camera, Wide Angle, Autofocus)
32 MP (HDR)
8 MP (Dual-Camera, Time-of-Flight (ToF))

Video capture:

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

Design

Dimensions:

6.22 x 3.02 x 0.31 inches (158 x 76.7 x 7.9 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
6.06 x 2.91 x 0.32 inches (153.9 x 74.0 x 8.2 mm)

Weight:

6.49 oz (184.0 g)
6.07 oz (172.0 g)
5.93 oz (168.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic; Frame: Plastic
Back: Plastic

Resistance:

Water, Dust; IP68

Biometrics:

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

Keys:

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

Colors:

Black, Pink, White
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Just black, Clearly white

Cellular

5G:

n1, n2, n5, n12, n25, n28, n41, n66, n71, n78, Sub-6

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 32(1500 L-band), 66(AWS-3), 71(600)
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)
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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
Bands 38(2600), 39(1900+), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)

UMTS:

850, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed:

LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes

SIM type:

Nano SIM, eSIM
Nano SIM
Nano SIM, eSIM

HD Voice:

Yes
Yes

VoLTE:

Yes

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
Dolby Atmos
aptX, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

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

USB:

Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1

Features:

Charging, Headphones port, Mass storage device
Charging, OTG
Charging

Location:

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

Sensors:

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

Other:

NFC, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+
NFC

Hearing aid compatible:

M3, T3
M3, T4

Regulatory Approval

FCC approval:

Date approved:

Aug 31, 2018
Nov 28, 2019
Sep 01, 2020

FCC ID value:

A4RG013C link
A3LSMA515FN link
A4RG025E link

Measured SAR:

Head:

1.35 W/kg
0.89 W/kg
1.20 W/kg

Body:

1.19 W/kg
1.18 W/kg
1.20 W/kg

Simultaneous Transmission:

1.59 W/kg
1.56 W/kg
1.57 W/kg

Wireless Router:

1.35 W/kg
1.12 W/kg
1.00 W/kg

Phablet:

3.48 W/kg
2.76 W/kg

Buyers information

Price:

$ 899
$ 400
$ 500

User Manual:

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

In The Box:

Quick Switch Adapter, USB-C to USB-C cable, USB-C 18W Power adapter, Pixel USB-C earbuds, USB-C to 3.5mm headphone adapter, SIM tool, Quick Start Guide
18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter SIM tool

Availability

Officially announced:

Oct 09, 2018
Dec 12, 2019
Sep 30, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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