Home Phone comparison Samsung Galaxy S21 Plus and Xiaomi Poco C71 - Which is better?

Samsung Galaxy S21 Plus vs Xiaomi Poco C71

67 out 100
Samsung Galaxy S21 Plus
VS
52 out 100
Xiaomi Poco C71
Samsung Galaxy S21 Plus
Xiaomi Poco C71

Compared 2 smartphones : Samsung Galaxy S21 Plus Manufactured in February, 2021, with display 6.7 with chipsetSamsung Exynos 2100, vs Xiaomi Poco C71, Manufactured in April, 2025 with chipsetUnisoc T7250. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S21 Plus
  • Higher pixel density: 394ppi
  • Supports newer USB: 3.2 vs 2
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Xiaomi Poco C71
  • Larger display: 6.88in
  • Lighter design: 193g vs 200g
  • Higher battery capacity: 5200mAh vs 4800mAh
  • Newer Bluetooth version: 5.2 vs 5
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S21 Plus and Xiaomi Poco C71
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
Smartphones:
Samsung Galaxy S21 Plus
vs
Xiaomi Poco C71

Display

Display quality comparison
Type Dynamic AMOLED IPS LCD
Size 6.7 in 6.88 in
Resolution 1080x2400 pixels 720x1640 pixels
Aspect ratio 20:9 20:9
Pixel density 394 ppi 260 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (48-120 Hz) Yes (60-120 Hz)
Max brightness 1300 nits 600 nits
HDR support Yes HDR10+ No
Screen-to-body ratio 88.7 % 85.5 %
Features - DCI-P3
- Always-On Display		 n/a
Display test
Peak brightness (auto)
Samsung Galaxy S21 Plus
879 nits
Xiaomi Poco C71
n/a
sRGB gamut98.9 %n/a
PWM (Flicker)240 Hzn/a
Response time6.2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S21 Plus]

Design & Build

Design and ergonomics comparison
Height 161.5 mm (6.36 in) 171.79 mm (6.76 in)
Width 75.6 mm (2.98 in) 77.8 mm (3.06 in)
Thickness 7.8 mm (0.31 in) 8.26 mm (0.33 in)
Weight 200 g (7.05 oz) 193 g (6.81 oz)
Water resistance IP68 No
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gold
- Red
- Purple		 - Black
- Gold
- Blue
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Samsung Galaxy S21 Plus
88.7 %
Xiaomi Poco C71
85.5 %

Performance

Testing Samsung Galaxy S21 Plus and Xiaomi Poco C71 In benchmarks
Processor
Chipset Samsung Exynos 2100 Unisoc T7250
Max Frequency 2840 MHz 1800 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)		 - 6/1.6 (Cortex-A55)
- 2/1.8 (Cortex-A75)
Process Samsung TSMC
Transistor Size 5 nm 12 nm
Neural Processor Yes No
Graphics Mali-G78 MP14 Mali-G57 MP1
GPU Cores 896 32
GPU Frequency 854 MHz 850 MHz
FLOPS 1530.4 GFLOPS 54.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S21 Plus
1428
Xiaomi Poco C71
437
Geekbench 6 (Multi-Core)
Samsung Galaxy S21 Plus
3840
Xiaomi Poco C71
1438
Geekbench 6 (Single-Core)1428437
Geekbench 6 (Multi-Core)38401438
Geekbench Compute (GPU)n/a708
Sources: Geekbench v6 [Xiaomi Poco C71]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S21 Plus
919348
Xiaomi Poco C71
270293
CPU26297392232
GPU29438230830
Memory14730778630
UX21468678630
NanoReview Score919348270293
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S21 Plus
5538
Xiaomi Poco C71
n/a
Max Surface Temp.41.5 °Cn/a
Stability67 %n/a
Graphics Test33 fpsn/a
Graphics Score5538n/a
Sources: 3DMark [Samsung Galaxy S21 Plus]

Memory

RAM
RAM Size 8 GB 3 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 2750 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		64 GB
Storage TypeUFS 3.1eMMC 5.1
Memory CardNoMicroSD

Software

OS Android 11 (Upgradeable to Android 14) Android 15
OS Size 27.2 GB n/a
UI Skin One UI 6 Android Go

Battery

Volume 4800 mAh 5200 mAh
Max Charging Power 25 W 15 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (54% in 30 min) Yes (24% in 30 min)
Full Charge Time 1:12 h 2:32 h
Battery Life Test
Battery Life
Samsung Galaxy S21 Plus
20:53
Xiaomi Poco C71
n/a
Web Browsing07:28 hn/a
Video Playback13:15 hn/a
Games05:04 hn/a
Standby Mode105 hn/a

Main camera

Matrix 12 MP 32 MP
Photo resolution 4000x3000 pixels n/a
Zoom Optical, 1.1x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording Up to 24FPS No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) No
Wide-angle lens 120 ° n/a
Lenses count Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP		 Standard: 32 MP
Depth
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix12 MP32 MP
Aperturef/1.8f/1.8
Focal length26 mmn/a
SensorSony IMX555n/a
Sensor size1/1.76n/a
Pixel size1.8 μmn/a
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix64 MPn/a
Aperturef/2.0n/a
Focal length28 mmn/a
SensorSamsung Bright S5KGW2n/a
Sensor size1/1.72n/a
Pixel size0.8 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorSony IMX563n/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Samsung Galaxy S21 Plus
129
Xiaomi Poco C71
n/a
Video quality
Samsung Galaxy S21 Plus
137
Xiaomi Poco C71
n/a
Overall camera score
Samsung Galaxy S21 Plus
133
Xiaomi Poco C71
n/a
Bokeh70n/a
Preview72n/a
Zoom126n/a
Sources: DxOMark [Samsung Galaxy S21 Plus]

Front camera

Matrix 10 MP 8 MP
Photo resolution 3872x2592 pixels n/a
Aperture f/2.2 f/2.0
Focal length 26 mm n/a
Sensor Sony IMX374 CMOS
Sensor size 1/3.24 n/a
Pixel size 1.22 μm n/a
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital No
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.2
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- USB-Host mode
- OTG		 - Charging
- USB Storage Mode
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes No
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 850, 900, 1800, 1900 MHzGSM 2/3/5/8
3G BandsWCDMA Band 1, 2, 4, 5, 8WCDMA B1/2/4/5/8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B66)
LTE category24n/a
5G SupportYesNo

Sound

Speakers Stereo n/a
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S21 Plus
87.8 dB
Xiaomi Poco C71
n/a

Other

Class Flagship Budget
Announced January, 2021 yr April, 2025 yr
Release Date February, 2021 yr April, 2025 yr
Launch Price ($) 1000 n/a
MSRP ($) n/a 70
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 15 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S21 Plus the clear winner in this comparison.

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