Samsung Galaxy A15 4G vs Samsung Galaxy A21s

Compared 2 smartphones : Samsung Galaxy A15 4G Manufactured in December, 2023, with display 6.5 with chipsetMediaTek Helio G99, vs Samsung Galaxy A21s, Manufactured in June, 2020with chipsetSamsung Exynos 850. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A15 4G
  • Higher pixel density: 396ppi
  • Higher refresh rate: 90Hz
  • Newer Bluetooth version: 5.3 vs 5
Reasons to choose Samsung Galaxy A21s
  • Lighter design: 192g vs 200g

Versions

Available versions and configurations
Memory Options - 4/128 GB
- 6/128 GB
- 6/256 GB
- 8/128 GB
- 8/256 GB
- 2/32 GB
- 3/32 GB
- 3/64 GB
- 3/128 GB
- 4/32 GB
- 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB

Review

Key Specs Samsung Galaxy A15 4G and Samsung Galaxy A21s
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
Adjust each parameter’s importance to find the best match for you.
Customize your score
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 Super AMOLED PLS TFT
Size 6.5 in 6.5 in
Resolution 1080x2340 pixels 720x1600 pixels
Aspect ratio 19.5:9 20:9
Pixel density 396 ppi 270 ppi
Refresh rate 90 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 800 nits 540 nits
HDR support No No
Screen-to-body ratio 84.4 % 82.9 %
Features DCI-P3 n/a
Display test
Peak brightness (auto)
Samsung Galaxy A15 4G
805 nits
Samsung Galaxy A21s
487 nits
sRGB gamut100 %88.4 %
PWM (Flicker)187 Hz500 Hz
Response time1 ms30.4 ms
Contrast∞ Infinite1500:1

Design & Build

Design and ergonomics comparison
Height 160.1 mm (6.3 in) 163.6 mm (6.44 in)
Width 76.8 mm (3.02 in) 75.3 mm (2.96 in)
Thickness 8.4 mm (0.33 in) 8.9 mm (0.35 in)
Weight 200 g (7.05 oz) 192 g (6.77 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Yellow
- Black
- Blue
- Red
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Samsung Galaxy A15 4G
84.4 %
Samsung Galaxy A21s
82.9 %

Performance

Testing Samsung Galaxy A15 4G and Samsung Galaxy A21s In benchmarks
Processor
Chipset MediaTek Helio G99 Samsung Exynos 850
Max Frequency 2200 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (8)
Architecture - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
8/2 (Cortex-A55)
Process TSMC Samsung
Transistor Size 6 nm 8 nm
Neural Processor Yes No
Graphics Mali-G57 MP2 Mali-G52 MP1
GPU Cores 128 24
GPU Frequency 1000 MHz 850 MHz
FLOPS 128 GFLOPS 40.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A15 4G
752
Samsung Galaxy A21s
484
Geekbench 6 (Multi-Core)
Samsung Galaxy A15 4G
2036
Samsung Galaxy A21s
1523
Geekbench 6 (Single-Core)752484
Geekbench 6 (Multi-Core)20361523
AnTuTu 10
AnTuTu 10
Samsung Galaxy A15 4G
401068
Samsung Galaxy A21s
191375
CPU13447868748
GPU6684326807
Memory8924459210
UX11050336610
NanoReview Score401068191375
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A15 4G
n/a
Samsung Galaxy A21s
425
Max Surface Temp.n/a43.2 °C
Stabilityn/a98 %
Graphics Testn/a2 fps
Graphics Scoren/a425
PCMark 3.0
PCMark 3.0
Samsung Galaxy A15 4G
n/a
Samsung Galaxy A21s
5429
Writing scoren/a5426
Web scoren/a4708
Video editingn/a5145
Data manipulationn/a3808
NanoReview Scoren/a5429

Memory

RAM
RAM Size 8 GB - 3 GB
- 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 32 GB
- 64 GB
Storage TypeUFS 2.2eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 14 Android 10 (Upgradeable to Android 12)
OS Size 23 GB 12 GB
UI Skin One UI 6 One UI 4.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 25 W 15 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (47% in 30 min) Yes (50% in 60 min)
Full Charge Time 1:21 h 2:10 h
Battery Life Test
Battery Life
Samsung Galaxy A15 4G
26:31
Samsung Galaxy A21s
25:00
Web Browsing09:21 h09:45 h
Video Playback15:42 h14:13 h
Games07:54 h05:34 h
Standby Mode137 h128 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8160x6120 pixels 8000x6000 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 120 fps (720p) No
Wide-angle lens n/a 123 °
Lenses count Standard: 50 MP
Ultra-wide: 5 MP
Macro: 2 MP
Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features Bokeh effect Bokeh effect
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/2.0
Focal length26 mm26 mm
SensorHynix Hi5022QSamsung S5KGM2
Sensor size1/2.81/2.0
Pixel size0.64 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix5 MP8 MP
Aperturef/2.2f/2.2
Focal length17 mmn/a
SensorSmartSense SC501CSn/a
Sensor size1/51/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 13 MP 13 MP
Photo resolution 4128x3096 pixels 4128x3096 pixels
Aperture f/2.0 f/2.2
Focal length 26 mm n/a
Sensor GalaxyCore GC013A CMOS
Sensor size 1/3.06 1/3.1
Pixel size 1.12 μm 1.12 μm
Autofocus No No
Stabilization No Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5
Bluetooth features LE 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
- OTG
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Varies by region Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM850, GSM900, DCS1800, PCS1900
3G BandsUMTS B1(2100), B5(850), B8(900)B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B1/B2/B3/B5/B7/B8/B20/B28)
LTE category1313
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 A15 4G
83.8 dB
Samsung Galaxy A21s
79.5 dB

Other

Class Budget Budget
Announced December, 2023 yr May, 2020 yr
Release Date December, 2023 yr June, 2020 yr
Launch Price ($) 170 200
Sensors - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy A15 4G the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below