Xiaomi Mi 9 vs Tecno Camon 40 Premier 5G

Compared 2 smartphones : Xiaomi Mi 9 Manufactured in April, 2019, with display 6.39 with chipsetQualcomm Snapdragon 855, vs Tecno Camon 40 Premier 5G, Manufactured in May, 2025 with chipsetMediaTek Dimensity 8350. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Mi 9
  • Lighter design: 173g vs 193g
Reasons to choose Tecno Camon 40 Premier 5G
  • Larger display: 6.67in
  • Higher pixel density: 460ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 5100mAh vs 3300mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Includes charger

Versions

Available versions and configurations
Memory Options - 6/64 GB
- 6/128 GB
- 8/64 GB
- 8/128 GB
- 8/256 GB
12/256 GB

Review

Key Specs Xiaomi Mi 9 and Tecno Camon 40 Premier 5G
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

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.39 in 6.67 in
Resolution 1080x2340 pixels 1260x2800 pixels
Aspect ratio 19.5:9 20:9
Pixel density 403 ppi 460 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 600 nits 650 nits
HDR support Yes HDR10 No
Screen-to-body ratio 85.3 % 88.9 %
Features - Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi Mi 9
619 nits
Tecno Camon 40 Premier 5G
650 nits
sRGB gamut95.4 %100 %
PWM (Flicker)245 Hz60 Hz
Response time4.2 ms1 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 157.5 mm (6.2 in) 161 mm (6.34 in)
Width 74.6 mm (2.94 in) 75 mm (2.95 in)
Thickness 7.6 mm (0.3 in) 7.7 mm (0.3 in)
Weight 173 g (6.1 oz) 193 g (6.81 oz)
Water resistance No IP69
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Blue
- Purple
- Black
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi Mi 9
85.3 %
Tecno Camon 40 Premier 5G
88.9 %

Performance

Testing Xiaomi Mi 9 and Tecno Camon 40 Premier 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 855 MediaTek Dimensity 8350
Max Frequency 2840 MHz 3350 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.84 (Cortex-A76 (Kryo 485 Gold))
- 4/2.2 (Cortex-A510)
- 3/3.2 (Cortex-A715)
- 1/3.35 (Cortex-A715)
Process TSMC TSMC
Transistor Size 7 nm 4 nm
Neural Processor Hexagon 690 MediaTek APU 780
Graphics Adreno 640 Mali-G615 MP6
GPU Cores 768 768
GPU Frequency 585 MHz 1400 MHz
FLOPS 898.5 GFLOPS 2150.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Mi 9
898
Tecno Camon 40 Premier 5G
1207
Geekbench 6 (Multi-Core)
Xiaomi Mi 9
2206
Tecno Camon 40 Premier 5G
4144
Geekbench 6 (Single-Core)8981207
Geekbench 6 (Multi-Core)22064144
Geekbench Compute (GPU)n/a8381
AnTuTu 10
AnTuTu 10
Xiaomi Mi 9
651041
Tecno Camon 40 Premier 5G
1493102
CPU209300324720
GPU191747558659
Memory113809342428
UX136185267295
NanoReview Score6510411493102
3DMark Wild Life
3DMark Wild Life
Xiaomi Mi 9
3100
Tecno Camon 40 Premier 5G
n/a
Max Surface Temp.35.6 °Cn/a
Stability91 %n/a
Graphics Test18 fpsn/a
Graphics Score3100n/a
PCMark 3.0
PCMark 3.0
Xiaomi Mi 9
10649
Tecno Camon 40 Premier 5G
n/a
Writing score14618n/a
Web score7084n/a
Video editing6715n/a
Data manipulation7931n/a
NanoReview Score10649n/a

Memory

RAM
RAM Size 6 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz n/a
Channels 2 4
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 2.1UFS 4.0
Memory CardNoNo

Software

OS Android 9.0 (Upgradeable to Android 11) Android 15
OS Size 13.5 GB 46 GB
UI Skin MIUI 12.5 HIOS 15

Battery

Volume 3300 mAh 5100 mAh
Max Charging Power 27 W 70 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (20 W) No
Reverse Charging No No
Fast Charging Yes Quick Charge 4 (50% in 30 min) Yes
Full Charge Time 1:30 h n/a
Battery Life Test
Battery Life
Xiaomi Mi 9
17:14
Tecno Camon 40 Premier 5G
n/a
Web Browsing06:08 hn/a
Video Playback11:37 hn/a
Games04:07 hn/a
Standby Mode83 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Optical, 2x Optical, 3x
Flash Dual LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) n/a
Wide-angle lens 117 ° 114 °
Lenses count Standard: 48 MP
Telephoto: 12 MP
Ultra-wide: 16 MP
Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/1.8f/1.9
Focal length27 mm23 mm
SensorSony IMX586Sony LYT-701
Sensor size1/21/1.56
Pixel size0.8 μm1 μm
AutofocusLaser autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrix12 MP50 MP
Aperturef/2.2f/2.2
Focal length54 mm70 mm
SensorSamsung S5K3M5n/a
Sensor size1/3.61/2.76
Pixel size1 μm0.64 μm
StabilizationDigitalDigital
Ultra-wide lens
Matrix16 MP50 MP
Aperturef/2.2f/2.2
Focal length13 mm14 mm
SensorSony IMX481n/a
Sensor size1/3.01/2.76
Pixel size1 μm0.64 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi Mi 9
112
Tecno Camon 40 Premier 5G
n/a
Video quality
Xiaomi Mi 9
99
Tecno Camon 40 Premier 5G
n/a
Overall camera score
Xiaomi Mi 9
107
Tecno Camon 40 Premier 5G
n/a

Front camera

Matrix 20 MP 50 MP
Photo resolution 5184x3880 pixels n/a
Aperture f/2.0 f/2.5
Focal length 18 mm 24 mm
Sensor CMOS n/a
Sensor size 1/3 1/2.8
Pixel size 0.9 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6E (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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.3
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- USB-Host mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Galileo
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900n/a
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100n/a
LTE Bands*LTE (B800/B900/B1800/B2100/B2300/B2500/B2600)n/a
LTE category20n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack No No
FM Radio No Yes
Dolby Atmos No n/a
Speaker Test
Max Volume
Xiaomi Mi 9
87.1 dB
Tecno Camon 40 Premier 5G
84.5 dB

Other

Class Flagship Mid-range
Announced February, 2019 yr March, 2025 yr
Release Date April, 2019 yr May, 2025 yr
Launch Price ($) 460 n/a
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes 70 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Tecno Camon 40 Premier 5G the clear winner in this comparison.

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