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Google Pixel 4 vs Samsung Galaxy A51 vs Samsung Galaxy S10

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

Display

Size:

5.7 inches
6.5 inches
6.1 inches

Resolution:

2280 x 1080 pixels, 19:9 ratio, 443 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
3040 x 1440 pixels, 19:9 ratio, 550 PPI

Technology:

OLED
Super AMOLED
Dynamic AMOLED

Screen-to-body:

77.32 %
87.37 %
88.66 %

Features:

90Hz refresh rate, 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
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 855 SM8150
Samsung Exynos 9611
Qualcomm Snapdragon 855

Processor:

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm

GPU:

Adreno 640
Mali-G72 MP3
Adreno 640

RAM:

6GB LPDDR4
4GB LPDDR4
8GB LPDDR4

Internal storage:

64GB, not expandable
128GB, available to use: 105.9 GB
128GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

2800 mAh
4000 mAh
3400 mAh

Type:

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

Battery life test results:

Charging:

USB Power Delivery, Qi wireless charging
Fast charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Camera

Rear:

Dual camera
Quad camera
Triple camera

Main camera:

12.2 MP (OIS, PDAF)
48 MP (PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; 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: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

16 MP (Telephoto, OIS, PDAF)
12 MP (Ultra-wide)
12 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.4; Focal Length: 45 mm; Pixel size: 1 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Optical zoom: 2x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm

Third camera:

5 MP (Macro)
16 MP (Ultra-wide)

Specifications:

Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.1"; Pixel size: 1 μm

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), 1280x720 (HD) (960 fps)

Features:

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

Front:

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

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
3840x2160 (4K UHD)

Design

Dimensions:

5.79 x 2.71 x 0.32 inches (147.1 x 68.8 x 8.2 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
5.90 x 2.77 x 0.31 inches (149.9 x 70.4 x 7.8 mm)

Weight:

5.71 oz (162.0 g)
6.07 oz (172.0 g)
5.54 oz (157.0 g)

Materials:

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

Resistance:

Water, Dust; IP68
Water, Dust; IP68

Biometrics:

3D Face unlock
2D Face unlock, In-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

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

Colors:

Just black, Clearly white, Oh so orange
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Prism blue, Prism black, Prism white, Prism green, Flamingo pink

Cellular

LTE (FDD):

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), 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), 66(AWS-3), 71(600)

LTE (TDD):

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

UMTS:

850, 900, 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 18 (1200/150 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
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM, eSIM
Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

aptX-HD
Dolby Atmos
32-Bit DAC, Dolby Atmos, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
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; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax, 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
Charging, OTG
Charging, OTG, Video out

Location:

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

Sensors:

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

Other:

NFC
NFC, ANT+
NFC, ANT+

Hearing aid compatible:

M3, T3
M4, T4

Regulatory Approval

FCC approval:

Date approved:

Sep 03, 2019
Nov 28, 2019
Feb 01, 2019

FCC ID value:

A4RG020I link
A3LSMA515FN link
A3LSMG973U link

Measured SAR:

Head:

1.20 W/kg
0.89 W/kg
0.39 W/kg

Body:

1.34 W/kg
1.18 W/kg
1.37 W/kg

Simultaneous Transmission:

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

Wireless Router:

1.01 W/kg
1.12 W/kg
1.35 W/kg

Phablet:

2.76 W/kg
3.99 W/kg

Buyers information

Price:

$ 799
$ 400
$ 900

User Manual:

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

In The Box:

18W USB-C power adapter, 1m USB-C to USB-C cable, Quick Start Guide, Quick Switch Adapter, SIM tool
Data cable, Travel adapter, Ejection Pin, USB Connector (OTG), Earphones by AKG, Quick Start Guide, Protective film

Availability

Officially announced:

Oct 15, 2019
Dec 12, 2019
Feb 20, 2019
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