Xiaomi Poco C40 vs Samsung Galaxy A21s

Compared 2 smartphones : Xiaomi Poco C40 Manufactured in July, 2022, with display 6.71 with chipsetJLQ JR510, vs Samsung Galaxy A21s, Manufactured in June, 2020 with chipsetSamsung Exynos 850. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco C40
  • Larger display: 6.71in
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Includes charger
Reasons to choose Samsung Galaxy A21s
  • Higher pixel density: 270ppi
  • Lighter design: 192g vs 204g
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 3/32 GB
- 4/32 GB
- 4/64 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 Xiaomi Poco C40 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.
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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 IPS LCD PLS TFT
Size 6.71 in 6.5 in
Resolution 720x1650 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 268 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 400 nits 540 nits
HDR support No No
Screen-to-body ratio 83.7 % 82.9 %
Display test
Peak brightness (auto)
Xiaomi Poco C40
447 nits
Samsung Galaxy A21s
487 nits
sRGB gamut93.1 %88.4 %
PWM (Flicker)n/a500 Hz
Response time34 ms30.4 ms
Contrast1170:11500:1

Design & Build

Design and ergonomics comparison
Height 169.59 mm (6.68 in) 163.6 mm (6.44 in)
Width 76.56 mm (3.01 in) 75.3 mm (2.96 in)
Thickness 9.18 mm (0.36 in) 8.9 mm (0.35 in)
Weight 204 g (7.2 oz) 192 g (6.77 oz)
Water resistance IP52 No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Green
- Yellow
- Black
- Blue
- Red
Fingerprint sensor Yes rear Yes rear
Screen-to-body ratio
Xiaomi Poco C40
83.7 %
Samsung Galaxy A21s
82.9 %

Performance

Testing Xiaomi Poco C40 and Samsung Galaxy A21s In benchmarks
Processor
Chipset JLQ JR510 Samsung Exynos 850
Max Frequency 2000 MHz 2000 MHz
CPU Cores n/a 8 (8)
Architecture n/a 8/2 (Cortex-A55)
Process n/a Samsung
Transistor Size n/a 8 nm
Neural Processor n/a No
Graphics n/a Mali-G52 MP1
GPU Cores n/a 24
GPU Frequency n/a 850 MHz
FLOPS n/a 40.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco C40
217
Samsung Galaxy A21s
484
Geekbench 6 (Multi-Core)
Xiaomi Poco C40
797
Samsung Galaxy A21s
1523
Geekbench 6 (Single-Core)217484
Geekbench 6 (Multi-Core)7971523
AnTuTu 10
AnTuTu 10
Xiaomi Poco C40
160779
Samsung Galaxy A21s
191375
CPU5280468748
GPU1677626807
Memory5467059210
UX3652936610
NanoReview Score160779191375
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco C40
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
Xiaomi Poco C40
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 - 3 GB
- 4 GB
- 3 GB
- 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency n/a 1866 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 64 GB
- 32 GB
- 64 GB
Storage TypeUFS 2.2eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 11 Android 10 (Upgradeable to Android 12)
OS Size 12 GB 12 GB
UI Skin MIUI 13 for POCO One UI 4.1

Battery

Volume 6000 mAh 5000 mAh
Max Charging Power 18 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 60 min) Yes (50% in 60 min)
Full Charge Time 4:00 h 2:10 h
Battery Life Test
Battery Life
Xiaomi Poco C40
27:32
Samsung Galaxy A21s
25:00
Web Browsing11:04 h09:45 h
Video Playback14:58 h14:13 h
Games06:25 h05:34 h
Standby Mode141 h128 h

Main camera

Matrix 13 MP 48 MP
Photo resolution n/a 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 No No
Wide-angle lens n/a 123 °
Lenses count Standard: 13 MP
Depth: 2 MP
Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
Bokeh effect
Main lens
Matrix13 MP48 MP
Aperturef/2.2f/2.0
Focal lengthn/a26 mm
Sensorn/aSamsung S5KGM2
Sensor sizen/a1/2.0
Pixel sizen/a0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 5 MP 13 MP
Photo resolution 2592x1944 pixels 4128x3096 pixels
Aperture f/2.2 f/2.2
Sensor CMOS CMOS
Sensor size n/a 1/3.1
Pixel size n/a 1.12 μm
Autofocus No No
Stabilization Digital 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 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
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
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 2, 3, 5, 8GSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA 1, 2, 4, 5, 8B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B1/B2/B3/B5/B7/B8/B20/B28)
LTE category413
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Poco C40
80.1 dB
Samsung Galaxy A21s
79.5 dB

Other

Class Budget Budget
Announced July, 2022 yr May, 2020 yr
Release Date July, 2022 yr June, 2020 yr
Launch Price ($) 149 200
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Fingerprint sensor
- Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

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