Samsung Galaxy A51 vs Huawei P40 Pro Specs Comparison

Design

Dimensions
6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm	6.23 x 2.86 x 0.35 inches 158.2 x 72.6 x 8.95 mm
Weight
6.07 oz (172.0 g)	7.37 oz (209.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Glass Frame: Metal
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint	3D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue	Deep Sea blue, Ice white, Black, Blush gold, Silver frost

Display

Size
6.5-inch	6.6-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2640x1200px, 19.8:9 ratio, 441 PPI
Technology
Super AMOLED	OLED
Refresh rate
60Hz	90Hz
Screen-to-body
87.37 %	91.54 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	HDR support, Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 9611 (10 nm)	HiSilicon Kirin 990 (7 nm)
Processor
Octa-core 2300 MHz 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53	Octa-core ARM Cortex-A76 and ARM Cortex-A55
GPU
Mali-G72 MP3	Mali-G76 MP16
RAM
4GB (LPDDR4)	8GB
Internal storage
128GB, available to use: 105.9 GB	128GB (UFS 3.0)
Storage expansion
microSDXC up to 512 GB	Nano Memory (NM) up to 256 GB
OS
Android (11, 10), Samsung One UI	Android (10), Emotion UI

Battery

Capacity
4000 mAh	4200 mAh
Type
Li - Polymer
Charging
Fast charging	Huawei SuperCharge, Qi wireless charging, Reverse wireless charging
Charge speed
	Wired: 40.0W Wireless: 27.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	50 MP (OIS, PDAF) Aperture size: F1.9 Focal length: 23 mm Sensor size: 1/1.28" Pixel size: 1.22 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm	40 MP (Ultra-wide, PDAF) Aperture size: F1.8 Focal Length: 18 mm Sensor size: 1/1.54"
Third camera
5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm	12 MP (Telephoto, OIS, PDAF) Optical zoom: 5.0x Aperture size: F3.4 Focal Length: 125 mm
Fourth camera
5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm	ToF 3D depth sensing
Flash
LED	Dual LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Hyperlapse, EIS	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (7680 fps) HDR, Time-lapse video, EIS
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD)	32 MP (Dual-Camera, Autofocus, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.0	5.1
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 3.1
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, ANT+	NFC, Infrared

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G
	Bands n1, n3, n7, n28, n38, n41, n77, n78, n79
4G (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), 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), 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)
4G (TDD)
Bands 38(2600), 39(1900+), 41(2600+)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)
Data Speed
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
SIM type
Nano SIM	Nano SIM, eSIM
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
	Charger, USB Type-C Cable, USB Type-C Earphones, Quick Start Guide, Eject Tool, Warranty Card

Availability

Officially announced
Dec 12, 2019	Mar 26, 2020

Alternative variants

with 128GB storage

RAM	6GB
Internal storage	128GB

with 256GB storage

Internal storage	256GB

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)

with 512GB storage

Internal storage	512GB

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
Samsung Galaxy A51 Specs	Huawei P40 Pro Specs
PhoneArena Review
Samsung Galaxy A51 Review
User Reviews
Samsung Galaxy A51 User Reviews