Xiaomi Poco X3 GT vs Xiaomi Mi 9

Compared 2 smartphones : Xiaomi Poco X3 GT Manufactured in August, 2021, with display 6.6 with chipsetMediaTek Dimensity 1100 5G, vs Xiaomi Mi 9, Manufactured in April, 2019 with chipsetQualcomm Snapdragon 855. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco X3 GT
  • Larger display: 6.6in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5000mAh vs 3300mAh
  • Newer Bluetooth version: 5.2 vs 5
  • Supports Dolby Atmos
Reasons to choose Xiaomi Mi 9
  • Higher pixel density: 403ppi
  • Lighter design: 173g vs 193g

Versions

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

Review

Key Specs Xiaomi Poco X3 GT and Xiaomi Mi 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:
vs

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.6 in 6.39 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 399 ppi 403 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes No
Max brightness 450 nits 600 nits
HDR support Yes HDR10 Yes HDR10
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 84.9 % 85.3 %
Features DCI-P3 - Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Poco X3 GT
532 nits
Xiaomi Mi 9
619 nits
sRGB gamutn/a95.4 %
PWM (Flicker)n/a245 Hz
Response timen/a4.2 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 157.5 mm (6.2 in)
Width 75.9 mm (2.99 in) 74.6 mm (2.94 in)
Thickness 8.9 mm (0.35 in) 7.6 mm (0.3 in)
Weight 193 g (6.81 oz) 173 g (6.1 oz)
Water resistance IP53 No
Back panel Plastic Glass
Frame Plastic Metal
Colors - White
- Black
- Blue
- Black
- Blue
- Purple
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Xiaomi Poco X3 GT
84.9 %
Xiaomi Mi 9
85.3 %

Performance

Testing Xiaomi Poco X3 GT and Xiaomi Mi 9 In benchmarks
Processor
Chipset MediaTek Dimensity 1100 5G Qualcomm Snapdragon 855
Max Frequency 2600 MHz 2840 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/2 (Cortex-A55)
- 4/2.6 (Cortex-A78)
- 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.84 (Cortex-A76 (Kryo 485 Gold))
Process TSMC TSMC
Transistor Size 6 nm 7 nm
Neural Processor MediaTek APU 3.0 Hexagon 690
Graphics Mali-G77 MP9 Adreno 640
GPU Cores 576 768
GPU Frequency 836 MHz 585 MHz
FLOPS 979.2 GFLOPS 898.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X3 GT
1128
Xiaomi Mi 9
898
Geekbench 6 (Multi-Core)
Xiaomi Poco X3 GT
3172
Xiaomi Mi 9
2206
Geekbench 6 (Single-Core)1128898
Geekbench 6 (Multi-Core)31722206
AnTuTu 10
AnTuTu 10
Xiaomi Poco X3 GT
748430
Xiaomi Mi 9
651041
CPU225630209300
GPU194303191747
Memory152900113809
UX175597136185
NanoReview Score748430651041
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X3 GT
4299
Xiaomi Mi 9
3100
Max Surface Temp.n/a35.6 °C
Stability98 %91 %
Graphics Test25 fps18 fps
Graphics Score42993100
PCMark 3.0
PCMark 3.0
Xiaomi Poco X3 GT
9687
Xiaomi Mi 9
10649
Writing score1109314618
Web score70597084
Video editing66156715
Data manipulation76987931
NanoReview Score968710649

Memory

RAM
RAM Size 8 GB 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
128 GB
Storage TypeUFS 3.1UFS 2.1
Memory CardNoNo

Software

OS Android 11 (Upgradeable to Android 13) Android 9.0 (Upgradeable to Android 11)
OS Size n/a 13.5 GB
UI Skin MIUI 14 MIUI 12.5

Battery

Volume 5000 mAh 3300 mAh
Max Charging Power 67 W 27 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No Yes (20 W)
Reverse Charging No No
Fast Charging Yes (75% in 30 min) Yes Quick Charge 4 (50% in 30 min)
Full Charge Time 0:48 h 1:30 h
Battery Life Test
Battery Life
Xiaomi Poco X3 GT
23:22
Xiaomi Mi 9
17:14
Web Browsing08:23 h06:08 h
Video Playback13:11 h11:37 h
Games05:34 h04:07 h
Standby Mode126 h83 h

Main camera

Matrix 64 MP 48 MP
Photo resolution 9248x6936 pixels 8000x6000 pixels
Zoom Digital Optical, 2x
Flash Dual LED Dual LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 960 fps (1080p)
Wide-angle lens 120 ° 117 °
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP
Standard: 48 MP
Telephoto: 12 MP
Ultra-wide: 16 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix64 MP48 MP
Aperturef/1.8f/1.8
Focal length26 mm27 mm
SensorOmnivision OV64BSony IMX586
Sensor size1/1.971/2
Pixel size0.7 μm0.8 μm
AutofocusPhase autofocusLaser autofocus
StabilizationDigitalDigital
Telephoto
Matrixn/a12 MP
Aperturen/af/2.2
Focal lengthn/a54 mm
Sensorn/aSamsung S5K3M5
Sensor sizen/a1/3.6
Pixel sizen/a1 μm
Stabilizationn/aDigital
Ultra-wide lens
Matrix8 MP16 MP
Aperturef/2.2f/2.2
Focal length16 mm13 mm
SensorSony IMX355Sony IMX481
Sensor size1/4.01/3.0
Pixel size1.12 μm1 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi Poco X3 GT
n/a
Xiaomi Mi 9
112
Video quality
Xiaomi Poco X3 GT
n/a
Xiaomi Mi 9
99
Overall camera score
Xiaomi Poco X3 GT
n/a
Xiaomi Mi 9
107

Front camera

Matrix 16 MP 20 MP
Photo resolution 4920x3264 pixels 5184x3880 pixels
Aperture f/2.5 f/2.0
Focal length n/a 18 mm
Sensor OmniVision OV16A1 CMOS
Sensor size 1/3.06 1/3
Pixel size 1 μm 0.9 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 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 Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- USB-Host mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- 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 850 900 1800 1900MHzGSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsWCDMA 1, 2, 4, 5, 8HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B26/B28/B38/B40/B41/B42)LTE (B800/B900/B1800/B2100/B2300/B2500/B2600)
LTE category1820
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No
Speaker Test
Max Volume
Xiaomi Poco X3 GT
n/a
Xiaomi Mi 9
87.1 dB

Other

Class Mid-range Flagship
Announced July, 2021 yr February, 2019 yr
Release Date August, 2021 yr April, 2019 yr
Launch Price ($) 300 460
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- 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.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below