Huawei P20 vs Samsung Galaxy A51 Specs Comparison

Design

Dimensions
5.87 x 2.79 x 0.30 inches 149.1 x 70.8 x 7.65 mm	6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm
Weight
5.82 oz (165.0 g)	6.07 oz (172.0 g)
Materials
Back: Glass Frame: Metal	Back: Plastic Frame: Plastic
Resistance
Splash; IP53
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Features
Notification light
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Pink, Blue	Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
5.8-inch	6.5-inch
Resolution
2244x1080px, 18.7:9 ratio, 429 PPI	2400x1080px, 20:9 ratio, 405 PPI
Technology
IPS LCD	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
80.36 %	87.37 %
Features
Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
HiSilicon Kirin 970 (10 nm)	Samsung Exynos 9611 (10 nm)
Processor
Octa-core 2360 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 2300 MHz 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Mali-G72 MP12	Mali-G72 MP3
RAM
4GB (LPDDR4)	4GB (LPDDR4)
Internal storage
128GB	128GB, available to use: 105.9 GB
Storage expansion
not expandable	microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.1 Oreo), Huawei Emotion UI	Android (11, 10), Samsung One UI

Battery

Capacity
3400 mAh	4000 mAh
Type
Li - Polymer	Li - Polymer
Charging
Huawei SuperCharge	Fast charging

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Quad camera
Main camera
12 MP (OIS, Laser and PDAF, CMOS image sensor, BSI sensor) Aperture size: F1.8 Focal length: 27 mm Sensor size: 1/2.3" Pixel size: 1.55 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
20 MP (Black and White, Laser and PDAF, CMOS image sensor, BSI sensor) Aperture size: F1.6 Focal Length: 27 mm Sensor size: 1/2.7" Pixel size: 1 μm	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm
Third camera
	5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm
Fourth camera
	5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
Dual LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps) Time-lapse video, Continuous autofocus, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Hyperlapse, EIS
Front
24 MP, Video capture: 1920x1080 (Full HD)	32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
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
USB
Type-C, USB 3.1	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+

Multimedia

Headphones
No 3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
32-Bit DAC, aptX-HD	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 9(1800), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 32(1500 L-band)	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)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300)	Bands 38(2600), 39(1900+), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
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
SIM type
Nano SIM	Nano SIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
	Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN
Measured SAR
	Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg

Buyers information

MSRP
	$ 400
In The Box
High-current charger, USB Type-C digital headset, USB Type-C cable, Warranty card, Quick Start Guide, Protective case, USB Type-C to 3.5mm headphone jack adapter, Eject tool

Availability

Officially announced
Mar 27, 2018	Dec 12, 2019

Alternative variants

Dual-SIM

Dual SIM	Yes

with 128GB storage

RAM	6GB
Internal storage	128GB

for Verizon

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

for AT&T

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)
4G (TDD)	Bands 41(2600+)

for Sprint

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)
4G (TDD)	Bands 41(2600+)

for Europe

4G (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), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)	Bands 38(2600), 40(2300), 41(2600+)
Dual SIM	Yes

Links

Full specifications
Huawei P20 Specs	Samsung Galaxy A51 Specs
PhoneArena Review
Huawei P20 Review	Samsung Galaxy A51 Review
User Reviews
	Samsung Galaxy A51 User Reviews