Samsung Galaxy S9 Plus vs Xiaomi Poco C71

Compared 2 smartphones : Samsung Galaxy S9 Plus Manufactured in March, 2018, with display 6.2 with chipsetSamsung Exynos 9 Octa 9810, vs Xiaomi Poco C71, Manufactured in April, 2025 with chipsetUnisoc T7250. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S9 Plus
  • Higher pixel density: 531ppi
  • Lighter design: 189g vs 193g
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos
Reasons to choose Xiaomi Poco C71
  • Larger display: 6.88in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5200mAh vs 3500mAh
  • Newer Bluetooth version: 5.2 vs 5
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S9 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.
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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 Super AMOLED IPS LCD
Size 6.2 in 6.88 in
Resolution 1440x2960 pixels 720x1640 pixels
Aspect ratio 18.5:9 20:9
Pixel density 531 ppi 260 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 631 nits 600 nits
HDR support Yes HDR10 No
Screen-to-body ratio 83.6 % 85.5 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Samsung Galaxy S9 Plus
629 nits
Xiaomi Poco C71
n/a
PWM (Flicker)215 Hzn/a
Response time7 msn/a
Contrast∞ Infiniten/a

Design & Build

Design and ergonomics comparison
Height 158.1 mm (6.22 in) 171.79 mm (6.76 in)
Width 73.8 mm (2.91 in) 77.8 mm (3.06 in)
Thickness 8.5 mm (0.33 in) 8.26 mm (0.33 in)
Weight 189 g (6.67 oz) 193 g (6.81 oz)
Water resistance IP68 No
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Gold
- Gray
- Red
- Purple
- Black
- Gold
- Blue
Fingerprint sensor Yes rear Yes, In-Button
Screen-to-body ratio
Samsung Galaxy S9 Plus
83.6 %
Xiaomi Poco C71
85.5 %

Performance

Testing Samsung Galaxy S9 Plus and Xiaomi Poco C71 In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9810 Unisoc T7250
Max Frequency 2900 MHz 1800 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.9 (Cortex-A55)
- 4/2.9 (Exynos M3)
- 6/1.6 (Cortex-A55)
- 2/1.8 (Cortex-A75)
Process Samsung TSMC
Transistor Size 10 nm 12 nm
Neural Processor Yes No
Graphics Mali-G72 MP18 Mali-G57 MP1
GPU Cores 324 32
GPU Frequency 572 MHz 850 MHz
FLOPS 370.6 GFLOPS 54.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S9 Plus
751
Xiaomi Poco C71
437
Geekbench 6 (Multi-Core)
Samsung Galaxy S9 Plus
1909
Xiaomi Poco C71
1438
Geekbench 6 (Single-Core)751437
Geekbench 6 (Multi-Core)19091438
Geekbench Compute (GPU)n/a708
AnTuTu 10
AnTuTu 10
Samsung Galaxy S9 Plus
467429
Xiaomi Poco C71
270293
CPU14264292232
GPU14009130830
Memory9970578630
UX8499178630
NanoReview Score467429270293
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S9 Plus
2328
Xiaomi Poco C71
n/a
Max Surface Temp.40.7 °Cn/a
Stability95 %n/a
Graphics Test13 fpsn/a
Graphics Score2328n/a
PCMark 3.0
PCMark 3.0
Samsung Galaxy S9 Plus
6261
Xiaomi Poco C71
n/a
Writing score6167n/a
Web score5425n/a
Video editing5459n/a
Data manipulation5611n/a
NanoReview Score6261n/a

Memory

RAM
RAM Size 6 GB 3 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1794 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity64 GB64 GB
Storage TypeUFS 2.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 8.0 (Upgradeable to Android 10) Android 15
OS Size 13.9 GB n/a
UI Skin One UI 2.5 Android Go

Battery

Volume 3500 mAh 5200 mAh
Max Charging Power 15 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes Qi/PMA (10 W) No
Reverse Charging No No
Fast Charging Yes (40% in 30 min) Yes (24% in 30 min)
Full Charge Time 1:40 h 2:32 h
Battery Life Test
Battery Life
Samsung Galaxy S9 Plus
16:44
Xiaomi Poco C71
n/a
Web Browsing06:05 hn/a
Video Playback10:25 hn/a
Games04:17 hn/a
Standby Mode84 hn/a

Main camera

Matrix 12 MP 32 MP
Photo resolution 4032x3024 pixels n/a
Zoom Optical, 2x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 240 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) No
Lenses count Standard: 12 MP
Telephoto: 12 MP
Standard: 32 MP
Depth
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix12 MP32 MP
Aperturef/1.5 - 2.4f/1.8
Focal length26 mmn/a
SensorSamsung SAK2L3n/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix12 MPn/a
Aperturef/2.4n/a
Focal length52 mmn/a
Sensor size1/3.6n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Main camera DxOMark results
Photo quality
Samsung Galaxy S9 Plus
104
Xiaomi Poco C71
n/a
Video quality
Samsung Galaxy S9 Plus
91
Xiaomi Poco C71
n/a
Overall camera score
Samsung Galaxy S9 Plus
99
Xiaomi Poco C71
n/a

Front camera

Matrix 8 MP 8 MP
Photo resolution 3264x2448 pixels n/a
Aperture f/1.7 f/2.0
Focal length 25 mm n/a
Sensor Samsung S5K3H1 CMOS
Sensor size 1/3.6 n/a
Pixel size 1.22 μm n/a
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital No
Video resolution 1440p 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
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.2
Bluetooth features PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.1 2
USB features - Charging
- USB Storage 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 *NoNo
Hybrid SlotYesNo
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900GSM 2/3/5/8
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100WCDMA B1/2/4/5/8
LTE Bands*LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B66)
LTE category18n/a
5G SupportNoNo

Sound

Speakers Stereo n/a
3.5 mm Jack Yes Yes
FM Radio No Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S9 Plus
85.6 dB
Xiaomi Poco C71
n/a

Other

Class Flagship Budget
Announced February, 2018 yr April, 2025 yr
Release Date March, 2018 yr April, 2025 yr
Launch Price ($) 840 n/a
MSRP ($) n/a 70
Sensors - 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

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