Samsung Galaxy A02s vs Samsung Galaxy A40

Compared 2 smartphones : Samsung Galaxy A02s Manufactured in January, 2021, with display 6.5 with chipsetQualcomm Snapdragon 450, vs Samsung Galaxy A40, Manufactured in April, 2019 with chipsetSamsung Exynos 7 Octa 7904. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A02s
  • Larger display: 6.5in
  • Higher battery capacity: 5000mAh vs 3100mAh
Reasons to choose Samsung Galaxy A40
  • Higher pixel density: 437ppi
  • Lighter design: 140g vs 196g
  • Newer Bluetooth version: 5 vs 4.2
  • Fingerprint scanner

Versions

Available versions and configurations
Memory Options - 1/16 GB
- 2/32 GB
- 3/32 GB
- 3/64 GB
- 4/32 GB
- 4/64 GB
- 4/64 GB
- 4/128 GB

Review

Key Specs Samsung Galaxy A02s and Samsung Galaxy A40
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type PLS TFT Super AMOLED
Size 6.5 in 5.9 in
Resolution 720x1600 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 270 ppi 437 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 400 nits 548 nits
HDR support No No
Screen-to-body ratio 81.9 % 85.5 %
Display test
Peak brightness (auto)
Samsung Galaxy A02s
455 nits
Samsung Galaxy A40
543 nits
sRGB gamut95.5 %142.6 %
PWM (Flicker)n/a245 Hz
Response time37 ms9 ms
Contrast1095:1∞ Infinite

Design & Build

Design and ergonomics comparison
Height 164.2 mm (6.46 in) 144.4 mm (5.69 in)
Width 75.9 mm (2.99 in) 69.2 mm (2.72 in)
Thickness 9.1 mm (0.36 in) 7.9 mm (0.31 in)
Weight 196 g (6.91 oz) 140 g (4.94 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- White
- Black
- Blue
Fingerprint sensor No Yes rear
Screen-to-body ratio
Samsung Galaxy A02s
81.9 %
Samsung Galaxy A40
85.5 %

Performance

Testing Samsung Galaxy A02s and Samsung Galaxy A40 In benchmarks
Processor
Chipset Qualcomm Snapdragon 450 Samsung Exynos 7 Octa 7904
Max Frequency 1800 MHz 1770 MHz
CPU Cores 8 (8) 8 (2 + 6)
Architecture 8/1.8 (Cortex-A53) - 6/1.6 (Cortex-A53)
- 2/1.8 (Cortex-A73)
Process Samsung Samsung
Transistor Size 14 nm 14 nm
Neural Processor Hexagon 546 No
Graphics Adreno 506 Mali-G71 MP2
GPU Cores 96 32
GPU Frequency 720 MHz 770 MHz
FLOPS 115.2 GFLOPS 49.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A02s
472
Samsung Galaxy A40
486
Geekbench 6 (Multi-Core)
Samsung Galaxy A02s
1523
Samsung Galaxy A40
1530
Geekbench 6 (Single-Core)472486
Geekbench 6 (Multi-Core)15231530
AnTuTu 10
AnTuTu 10
Samsung Galaxy A02s
125214
Samsung Galaxy A40
156332
CPU4507855233
GPU1491321549
Memory4080041648
UX2442337902
NanoReview Score125214156332
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A02s
n/a
Samsung Galaxy A40
404
Max Surface Temp.n/a44.8 °C
Stabilityn/a98 %
Graphics Testn/a2 fps
Graphics Scoren/a404

Memory

RAM
RAM Size 3 GB 4 GB
Memory Type LPDDR3 LPDDR4X
Memory Frequency 933 MHz 2133 MHz
Channels 1 2
Storage
Storage Capacity32 GB64 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10.0 (Upgradeable to Android 12) Android 9.0 (Upgradeable to Android 11)
OS Size 15 GB 14.6 GB
UI Skin One UI Core 4.1 One UI 3.1

Battery

Volume 5000 mAh 3100 mAh
Max Charging Power 15 W 15 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (30% in 30 min) Yes Samsung Adaptive Fast Charge (50% in 40 min)
Full Charge Time 2:36 h 1:45 h
Battery Life Test
Battery Life
Samsung Galaxy A02s
25:11
Samsung Galaxy A40
15:48
Web Browsing10:18 h05:59 h
Video Playback14:17 h09:54 h
Games05:42 h04:04 h
Standby Mode125 h77 h

Main camera

Matrix 13 MP 16 MP
Photo resolution 4128x3096 pixels 4616x3464 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion No 120 fps (720p)
Wide-angle lens n/a 123 °
Lenses count Standard: 13 MP
Macro: 2 MP
Depth: 2 MP
Standard: 16 MP
Ultra-wide: 5 MP
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix13 MP16 MP
Aperturef/1.8f/1.7
Focal lengthn/a26 mm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a5 MP
Aperturen/af/2.2
Focal lengthn/a13 mm
Stabilizationn/aDigital

Front camera

Matrix 5 MP 25 MP
Photo resolution 2560x1960 pixels 5984x4140 pixels
Aperture f/2.2 f/2.0
Focal length n/a 25 mm
Sensor CMOS CMOS
Sensor size n/a 1/2.8
Pixel size n/a 0.9 μm
Autofocus No No
Stabilization No Digital
Video resolution 720p at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 4 (802.11 a/b/g/n) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 4.2 5
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
NFC* No Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 800 / 850 / 900 / 1800 / 2100 / 2600GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsUMTS 850 / 900 / 1900 / 2100HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B800/B850/B900/B1800/B2100/B2600)LTE (B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500)
LTE category412
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy A02s
80 dB
Samsung Galaxy A40
82.6 dB

Other

Class Budget Mid-range
Announced November, 2020 yr April, 2019 yr
Release Date January, 2021 yr April, 2019 yr
Launch Price ($) 150 250
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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