Home Phone comparison Xiaomi Poco C40 and OnePlus 9 - Which is better?

Xiaomi Poco C40 vs OnePlus 9

40 out 100
Xiaomi Poco C40
VS
63 out 100
OnePlus 9
Xiaomi Poco C40
OnePlus 9

Compared 2 smartphones : Xiaomi Poco C40 Manufactured in July, 2022, with display 6.71 with chipsetJLQ JR510, vs OnePlus 9, Manufactured in March, 2021 with chipsetQualcomm Snapdragon 888 5G. 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 Xiaomi Poco C40
  • Larger display: 6.71in
  • Higher battery capacity: 6000mAh vs 4500mAh
  • Includes charger
Reasons to choose OnePlus 9
  • Higher pixel density: 402ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 192g vs 204g
  • Newer Bluetooth version: 5.2 vs 5
  • Supports newer USB: 3.1 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 3/32 GB
- 4/32 GB
- 4/64 GB		 - 8/128 GB
- 12/256 GB

Review

Key Specs Xiaomi Poco C40 and OnePlus 9
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:
Xiaomi Poco C40
vs
OnePlus 9

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.71 in 6.55 in
Resolution 720x1650 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 268 ppi 402 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 400 nits 500 nits
HDR support No Yes HDR10+
Screen-to-body ratio 83.7 % 87.3 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Poco C40
447 nits
OnePlus 9
818 nits
sRGB gamut93.1 %98.9 %
PWM (Flicker)n/a323 Hz
Response time34 ms13 ms
Contrast1170:1∞ Infinite
Sources: NotebookCheck [Xiaomi Poco C40], [OnePlus 9]

Design & Build

Design and ergonomics comparison
Height 169.59 mm (6.68 in) 160 mm (6.3 in)
Width 76.56 mm (3.01 in) 74.2 mm (2.92 in)
Thickness 9.18 mm (0.36 in) 8.7 mm (0.34 in)
Weight 204 g (7.2 oz) 192 g (6.77 oz)
Water resistance IP52 No
Back panel Plastic Glass
Frame Plastic Plastic
Colors - Black
- Green
- Yellow		 - Black
- Blue
- Purple
Fingerprint sensor Yes rear Yes In-Display
Screen-to-body ratio
Xiaomi Poco C40
83.7 %
OnePlus 9
87.3 %

Performance

Testing Xiaomi Poco C40 and OnePlus 9 In benchmarks
Processor
Chipset JLQ JR510 Qualcomm Snapdragon 888 5G
Max Frequency 2000 MHz 2840 MHz
CPU Cores n/a 8 (1 + 3 + 4)
Architecture n/a - 4/1.8 (Kryo 680 Silver (Cortex-A55))
- 3/2.42 (Kryo 680 Gold (Cortex-A78))
- 1/2.84 (Kryo 680 Prime (Cortex-X1))
Process n/a Samsung
Transistor Size n/a 5 nm
Neural Processor n/a Hexagon 780
Graphics n/a Adreno 660
GPU Cores n/a 1024
GPU Frequency n/a 840 MHz
FLOPS n/a 1290.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco C40
217
OnePlus 9
1489
Geekbench 6 (Multi-Core)
Xiaomi Poco C40
797
OnePlus 9
3996
Geekbench 6 (Single-Core)2171489
Geekbench 6 (Multi-Core)7973996
Sources: Geekbench v6 [Xiaomi Poco C40]
AnTuTu 10
AnTuTu 10
Xiaomi Poco C40
160779
OnePlus 9
937505
CPU52804248662
GPU16776308723
Memory54670169685
UX36529210435
NanoReview Score160779937505
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco C40
n/a
OnePlus 9
5761
Max Surface Temp.n/a48.8 °C
Stabilityn/a55 %
Graphics Testn/a34 fps
Graphics Scoren/a5761
Sources: 3DMark [OnePlus 9]
PCMark 3.0
PCMark 3.0
Xiaomi Poco C40
n/a
OnePlus 9
12032
Writing scoren/a15081
Web scoren/a11112
Video editingn/a6018
Data manipulationn/a10751
NanoReview Scoren/a12032

Memory

RAM
RAM Size - 3 GB
- 4 GB		 - 8 GB
- 12 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency n/a 2750 MHz
Channels 2 4
Storage
Storage Capacity- 32 GB
- 64 GB		- 128 GB
- 256 GB
Storage TypeUFS 2.2UFS 3.1
Memory CardMicroSDNo

Software

OS Android 11 Android 11 (Upgradeable to Android 13)
OS Size 12 GB 35 GB
UI Skin MIUI 13 for POCO OxygenOS 13

Battery

Volume 6000 mAh 4500 mAh
Max Charging Power 18 W 65 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No No
Fast Charging Yes (50% in 60 min) Yes (100% in 29 min)
Full Charge Time 4:00 h 0:29 h
Battery Life Test
Battery Life
Xiaomi Poco C40
27:32
OnePlus 9
19:38
Web Browsing11:04 h07:52 h
Video Playback14:58 h11:44 h
Games06:25 h04:32 h
Standby Mode141 h96 h

Main camera

Matrix 13 MP 48 MP
Photo resolution n/a 8000x6000 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Digital
8K Recording No Yes (Up to 30 fps)
4K Recording No Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion No 240 fps (1080p)
Wide-angle lens n/a 140 °
Lenses count Standard: 13 MP
Depth: 2 MP		 Standard: 48 MP
Ultra-wide: 50 MP
Monochrome: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix13 MP48 MP
Aperturef/2.2f/1.8
Focal lengthn/a23 mm
Sensorn/aSony IMX689
Sensor sizen/a1/1.43
Pixel sizen/a1.12 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.2
Focal lengthn/a14 mm
Sensorn/aSony IMX766
Sensor sizen/a1/1.56
Pixel sizen/a1 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Xiaomi Poco C40
n/a
OnePlus 9
123
Video quality
Xiaomi Poco C40
n/a
OnePlus 9
104
Overall camera score
Xiaomi Poco C40
n/a
OnePlus 9
115
Sources: DxOMark [OnePlus 9]

Front camera

Matrix 5 MP 16 MP
Photo resolution 2592x1944 pixels 4920x3264 pixels
Aperture f/2.2 f/2.0
Sensor CMOS Sony IMX471
Sensor size n/a 1/3.06
Pixel size n/a 1 μm
Autofocus No Phase autofocus
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 6 (802.11 a/b/g/n/ac/ax)
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 5.2
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB Storage Mode		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- SBAS
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, 8GSM B2, 3, 5, 8
3G BandsWCDMA 1, 2, 4, 5, 8WCDMA B1, 2, 4, 5, 8, 9, 19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B30/B32/B38/B39/B40/B41/B46/B48/B66/B71)
LTE category420
5G SupportNoYes

Sound

Speakers Mono Stereo
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Poco C40
80.1 dB
OnePlus 9
83 dB

Other

Class Budget Flagship
Announced July, 2022 yr March, 2021 yr
Release Date July, 2022 yr March, 2021 yr
Launch Price ($) 149 730
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Fingerprint sensor		 - Barometer
- 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

After analyzing the data, we consider OnePlus 9 the clear winner in this comparison.

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