Samsung Galaxy A51 vs Huawei P40 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

7.0
Samsung Galaxy A51
Samsung Galaxy A51 Huawei P40
Released · Dec 27, 2019
Released · Apr 07, 2020
6.5-inch · 2400x1080px
6.1-inch · 2340x1080px
Quad camera
Triple camera
4GB · 128GB
6GB · 128GB
4000 mAh
3800 mAh
Check prices

Availability

Officially announced
Dec 12, 2019 Mar 26, 2020
Prices (MSRP)
$400

Design

Dimensions
6.24 x 2.90 x 0.31 inches
158.5 x 73.6 x 7.9 mm
5.86 x 2.80 x 0.33 inches
148.9 x 71.06 x 8.5 mm
Weight
6.07 oz / 172.0 g 6.17 oz / 175.0 g
Materials
Back: Plastic
Frame: Plastic
Back: Glass
Frame: Metal
Resistance
Splash, Dust; IP53
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D 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, 87.37% screen-to-body 6.1-inch, 86.29% screen-to-body
Type
Super AMOLED, 60Hz OLED, 90Hz, HDR
Resolution
2400x1080px, 20:9 ratio, 405 PPI 2340x1080px, 422 PPI
Protection
Corning Gorilla Glass 3
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.7 (Good) Untested

Hardware

System chip
Samsung Exynos 9611 (10 nm) HiSilicon Kirin 990 (7 nm)
Processor
Octa-core
2300 MHz
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
Octa-core
ARM Cortex-A76 and ARM Cortex-A55
GPU
Mali-G72 MP3 Mali-G76 MP16
Memory
4GB (LPDDR4)/128GB
6GB/128GB
6GB/128GB
8GB/128GB
8GB/256GB
Storage expansion
microSDXC up to 512 GB Nano Memory (NM) up to 256 GB
OS
Android (11, 10) Android (10)

Battery

Type
4000 mAh, Li - Polymer 3800 mAh
Charging
Fast charging Huawei SuperCharge
Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 22.5W
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

Camera

Rear
Quad camera Triple 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"
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
16 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 17 mm
Third camera
5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
8 MP (Telephoto, OIS)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 80 mm
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED Dual LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
Hyperlapse, EIS
4K UHD (60 fps)
Time-lapse video, EIS
Front
32 MP (HDR)
Video capture: 1080p
32 MP (Dual-Camera, HDR)
Video capture: 4K UHD (60 fps)

Connectivity & Features

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

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, n28, n38, n41, n77, n78, n79
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 9, 12, 17, 18, 19, 20, 26, 28, 32
4G (TDD) Bands
38, 39, 41 34, 38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 6, 8
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

Alternative variants

with 128GB storage
Memory 6GB/128GB
with 8GB RAM
Memory 8GB
for Verizon
4G (FDD) Bands 2, 3, 4, 5, 7, 13, 20, 28, 66
3G Bands 5, 8, 2, 1
with 256GB storage
Memory 8GB/256GB
for AT&T
4G (FDD) Bands 2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands 41
for Sprint
4G (FDD) Bands 2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands 41
for Europe
4G (FDD) Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66
4G (TDD) Bands 38, 40, 41
Dual SIM Yes
FCC OKs Cingular\'s purchase of AT&T Wireless