Samsung Galaxy A40s vs Samsung Galaxy J8: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy A40s vs Samsung Galaxy J8. The complete information of specifications to decide which to buy.

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Technical data sheets

Basics

Samsung Galaxy A40s
Samsung Galaxy A40s
China · 4GB · 128GB · A3050Z
View datasheet
vs
Samsung Galaxy J8
Samsung Galaxy J8
N. America · 4GB · 64GB · J810G
View datasheet
vs

Score

Ki Cost-effective
Score
-- Not available -- Not available
Design and Screen score --Design & Materials --Design & Materials
Performance and Hardware score --Performance & Hardware --Performance & Hardware
Camera score --Camera --Camera
Connectivity score -- Connectivity -- Connectivity
Battery score --Battery --Battery

User reviews

User score
7.6
6 reviews
6.8
38 reviews

Technical specifications of the Samsung Galaxy A40s vs Samsung Galaxy J8

Specs Samsung Galaxy A40s price comparison Samsung Galaxy A40s
China · 4GB · 128GB · A3050Z
Samsung Galaxy J8 prices Samsung Galaxy J8
N. America · 4GB · 64GB · J810G
Inches 6.4" 6"
Resolution HD+ HD+
Usable surface 84% useful 75% useful
Aspect Ratio 19.5:9 18:9
Dimensions 75.1 mm
159.1 mm
8.5 mm
75.8 mm
160.0 mm
8.0 mm
Weight 174 g 177 g
Micro Exynos 7904
Octa-Core
SnapD. 450
Octa-Core
RAM 4 GB RAM 4 GB RAM
Storage 128 GB 64 GB
AnTuTu 156.251
v8
57.000
v?
Battery 5000 mAh 3500 mAh
Main Camera 1
13 Mpx · ƒ/1.9

2 3
1
24.8 Mpx · ƒ/1.7
S5K2X5
2
Selfie Camera SELF 15.9 Mpx · ƒ/2.0 SELF 16 Mpx · ƒ/1.9
Bands
OS Android 9.0 P Android 8.0 Oreo

Brand

Brand Samsung Samsung
Aliases SM-A3050, A3050 SM-J810G, J810G

Release Date

Release date April 2019,
5 years ago
June 2018,
5 years ago
State Not available Not available
Market China N. America

Design & Materials

Structure

Samsung Galaxy A40s
Samsung Galaxy J8
Samsung Galaxy A40s
Samsung Galaxy J8
Size
75.1 mm 159.1 mm 8.5 mm
Print 3D Model
75.8 mm 160.0 mm 8.0 mm
Print 3D Model
Weight 174 g 177 g
Usable surface 84 % 75 %
Materials Metal Polycarbonate
Resistance - -
Colors
Black

Blue

Gold
Black

Blue

Gold

Screen

Diagonal 6.4" 6"
Type Super AMOLED Super AMOLED
Aspect Ratio 19.5:9 18:9
Resolution HD+
720 x 1560 px
HD+
720 x 1480 px
Density 268 Pixels per inch 274 Pixels per inch

Others

Others
  • Water Drop Notch
  • Capacitive
  • Multi-touch
  • Frameless
  • Without Notch
  • Color LED Notifications
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
6.8
6.5
Do you think it's a nice phone?
8.3
7.2
Is it comfortable?
8.5
7.8
Can you see it well in the sunlight?
8.2
6.7
Number of reviews
6 reviews
38 reviews

Performance & Hardware

Processor

Model Samsung Exynos 7 Octa 7904 Qualcomm Snapdragon 450
CPU 2x Cortex-A73 1.8 GHz + 6x Cortex-A53 1.6 GHz 4x Cortex-A53 1.8 GHz + 4x Cortex-A53 1.8 GHz
Type Octa-Core Octa-Core
Manufacturing 14 nm 14 nm
64 Bits Yes Yes

Graphics

GPU ARM Mali-G71 MP2 Qualcomm Adreno 506

RAM

RAM 4 GB 4 GB
Type LPDDR4X RAM --

Antutu

Score
156.251
Antutu v8
Overall performance better than 39% of devices
57.000
Antutu v?
Overall performance better than 11% of devices

Storage

Capacity 128 GB 64 GB
Type eMMC 5.1 Storage --
SD Slot Yes ,
Independent SD slot
Yes ,
Independent SD slot

Security

Fingerprint Yes, in the back Yes, in the back

Sensors

Sensors
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Hall

Audio

Audio
-
-

Others

Notifications LED -- Color LED Notifications
Cooling system No No
Gaming buttons No No

User reviews

Does it have good sound?
8.2
7.2
Does it work smoothly in everyday use?
8.3
6.8
What's your experience been with demanding games?
9.3
6.0
Number of reviews
6 reviews
38 reviews

Camera

Main

No. of cameras Triple rear camera Double rear camera
1
Camera type

Standard

Standard
Resolution 13 Mpx 24.8 Mpx
Sensor Unknown Samsung S5K2X5
Type CMOS BSI ISOCELL
Aperture ƒ/ 1.9 ƒ/ 1.7
ISO -- --
Pixel size -- 0.90 µm
Pixel Binning -- 1-4 (2x2)
Sensor size -- 1/2.8"
2
Camera type

Wide Angle lens

Portrait mode (depth)
Resolution
5 Mpx
5 Mpx
Sensor
Unknown
Unknown
Type
--
--
Aperture
ƒ/ 2.2
ƒ/ 1.9
Pixel size
--
--
Pixel Binning
--
--
Sensor size
--
--
3
Camera type

Portrait mode (depth)
--
Resolution
5 Mpx
Sensor
Unknown
Type
--
Aperture
ƒ/ 2.2
Pixel size
--
Pixel Binning
--
Sensor size
--

Features

Flash LED No
Optical Stabilisation No No
Slow Motion Video Yes,
120 fps
No,
30 fps
Others
  • Digital zoom
  • Triple camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • 4K Video
  • Digital zoom
  • Dual camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Front Flash

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 15.9 Mpx 16 Mpx
Sensor Unknown Unknown
Type -- --
Aperture ƒ/ 2.0 ƒ/ 1.9
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score

DxOMark Score -- --

User reviews

Quality of daytime photos
7.3
7.8
Quality of nighttime photos
7.0
5.9
Quality of selfies
7.2
7.3
Does it have a powerful flash?
7.8
7.9
Number of reviews
6 reviews
38 reviews

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B17 (700)
  • B34 (TDD 2100)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
3G
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • CDMA BC0 (800)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card

Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM

Wi-Fi

Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct

Bluetooth

Version Bluetooth 5.0 Bluetooth 4.2
Others
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • HOGP
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • HOGP

Navigation

Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS
  • A-GPS
  • GLONASS
  • Beidou

USB

USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)

SAR

European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

-- 0.574 W/Kg on head
1.176 W/Kg on body
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

-- 0.697 W/Kg on head
-- W/Kg on body

Others

Others
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • ANT+
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • ANT+

User reviews

Does it have good coverage for calls?
8.8
8.2
Quality of the GPS
6.3
8.2
And the WiFi?
8.8
8.0
Number of reviews
6 reviews
38 reviews

Battery

Battery

Capacity
5000 mAh
3500 mAh
Type Li-Ion Li-Ion
Fast charge Yes,
15.0W
No
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 17%
    One day
  • 83%
    More than one day
  • 0%
    Two days or more
  • 3%
    Less than half day
  • 26%
    Less than a day
  • 47%
    One day
  • 24%
    More than one day
  • 0%
    Two days or more
Number of reviews
6 reviews
38 reviews

Software

Software

Operating System
  • Android 9.0 Pie
    Android 9.0 P, 5 years ago
  • Android 8.0 Oreo
    Android 8.0 Oreo, 6 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 0%
    It comes with a clean operating system
  • 83%
    It has preinstalled apps but they don't bother me
  • 17%
    It has preinstalled apps that I can't uninstall
  • 11%
    It comes with a clean operating system
  • 68%
    It has preinstalled apps but they don't bother me
  • 21%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 0%
    Never
  • 0%
    Once a year
  • 75%
    Every six months
  • 25%
    Every two months or less
  • 7%
    Never
  • 13%
    Once a year
  • 57%
    Every six months
  • 23%
    Every two months or less
Number of reviews
6 reviews
38 reviews