Xiaomi Redmi 9C vs Samsung Galaxy A21s

Compared 2 smartphones : Xiaomi Redmi 9C Manufactured in September, 2020, with display 6.53 with chipsetMediaTek Helio G35, 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 Redmi 9C
  • Larger display: 6.53in
Reasons to choose Samsung Galaxy A21s
  • Higher pixel density: 270ppi
  • Lighter design: 192g vs 196g
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 2/64 GB
- 3/32 GB
- 3/64 GB
- 3/128 GB
- 4/128 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 Redmi 9C 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 6.53 in 6.5 in
Resolution 720x1600 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 269 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 81.1 % 82.9 %
Display test
Peak brightness (auto)
Xiaomi Redmi 9C
413 nits
Samsung Galaxy A21s
487 nits
sRGB gamut92.9 %88.4 %
PWM (Flicker)17120 Hz500 Hz
Response time47 ms30.4 ms
Contrast881:11500:1

Design & Build

Design and ergonomics comparison
Height 164.9 mm (6.49 in) 163.6 mm (6.44 in)
Width 77 mm (3.03 in) 75.3 mm (2.96 in)
Thickness 9 mm (0.35 in) 8.9 mm (0.35 in)
Weight 196 g (6.91 oz) 192 g (6.77 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Gray
- Blue
- Green
- Purple
- Black
- Blue
- Red
Fingerprint sensor Yes rear Yes rear
Screen-to-body ratio
Xiaomi Redmi 9C
81.1 %
Samsung Galaxy A21s
82.9 %

Performance

Testing Xiaomi Redmi 9C and Samsung Galaxy A21s In benchmarks
Processor
Chipset MediaTek Helio G35 Samsung Exynos 850
Max Frequency 2300 MHz 2000 MHz
CPU Cores 8 (4 + 4) 8 (8)
Architecture - 4/1.8 (Cortex-A53)
- 4/2.3 (Cortex-A53)
8/2 (Cortex-A55)
Process TSMC Samsung
Transistor Size 12 nm 8 nm
Neural Processor No No
Graphics PowerVR GE8320 Mali-G52 MP1
GPU Cores 32 24
GPU Frequency 680 MHz 850 MHz
FLOPS 43.5 GFLOPS 40.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 9C
479
Samsung Galaxy A21s
484
Geekbench 6 (Multi-Core)
Xiaomi Redmi 9C
1522
Samsung Galaxy A21s
1523
Geekbench 6 (Single-Core)479484
Geekbench 6 (Multi-Core)15221523
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 9C
141956
Samsung Galaxy A21s
191375
CPU5458068748
GPU1770826807
Memory3717459210
UX3249436610
NanoReview Score141956191375
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi 9C
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 Redmi 9C
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 - 2 GB
- 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
- 128 GB
- 32 GB
- 64 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 11) Android 10 (Upgradeable to Android 12)
OS Size 18 GB 12 GB
UI Skin MIUI 12 One UI 4.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 10 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging No Yes (50% in 60 min)
Full Charge Time 2:59 h 2:10 h
Battery Life Test
Battery Life
Xiaomi Redmi 9C
n/a
Samsung Galaxy A21s
25:00
Web Browsingn/a09:45 h
Video Playbackn/a14:13 h
Gamesn/a05:34 h
Standby Moden/a128 h

Main camera

Matrix 13 MP 48 MP
Photo resolution 4128x3096 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 No No
Wide-angle lens n/a 123 °
Lenses count Standard: 13 MP
Macro: 2 MP
Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features Bokeh effect Bokeh effect
Main lens
Matrix13 MP48 MP
Aperturef/1.8f/2.0
Focal length28 mm26 mm
Sensorn/aSamsung S5KGM2
Sensor size1/3.11/2.0
Pixel size1.12 μm0.8 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 2560x1960 pixels 4128x3096 pixels
Aperture f/2.2 f/2.2
Sensor CMOS CMOS
Sensor size n/a 1/3.1
Pixel size 1.12 μm 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 4 (802.11 a/b/g/n) 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, HID, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type Micro USB USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2/3/5/8GSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA B1/2/4/5/8B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20)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 Redmi 9C
77.7 dB
Samsung Galaxy A21s
79.5 dB

Other

Class Budget Budget
Announced June, 2020 yr May, 2020 yr
Release Date September, 2020 yr June, 2020 yr
Launch Price ($) 110 200
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Fingerprint sensor
- Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* 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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