Home Phone comparison OnePlus Ace 3 and Xiaomi Mi 9T Pro - Which is better?

OnePlus Ace 3 vs Xiaomi Mi 9T Pro

78 out 100
OnePlus Ace 3
VS
51 out 100
Xiaomi Mi 9T Pro
OnePlus Ace 3
Xiaomi Mi 9T Pro

Compared 2 smartphones : OnePlus Ace 3 Manufactured in January, 2024, with display 6.78 with chipsetQualcomm Snapdragon 8 Gen 2, vs Xiaomi Mi 9T Pro, Manufactured in June, 2019 with chipsetQualcomm Snapdragon 855. 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 OnePlus Ace 3
  • Larger display: 6.78in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5500mAh vs 4000mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Supports Dolby Atmos
  • Infrared port
  • Includes charger
Reasons to choose Xiaomi Mi 9T Pro
  • Lighter design: 191g vs 207g

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 16/512 GB
- 16/1024 GB		 - 6/64 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs OnePlus Ace 3 and Xiaomi Mi 9T Pro
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:
OnePlus Ace 3
vs
Xiaomi Mi 9T Pro

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.78 in 6.39 in
Resolution 1264x2780 pixels 1080x2340 pixels
Aspect ratio 19.8:9 19.5:9
Pixel density 450 ppi 403 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes No
Max brightness 1800 nits 600 nits
HDR support Yes Dolby Vision Yes HDR10
Touch Sampling Rate 360 Hz n/a
Screen-to-body ratio 90.9 % 86.1 %
Features - DCI-P3
- Always-On Display
- DC dimming		 Always-On Display
Display test
Peak brightness (auto)
OnePlus Ace 3
n/a
Xiaomi Mi 9T Pro
642 nits
sRGB gamutn/a142.2 %
PWM (Flicker)n/a223 Hz
Response timen/a6.5 ms
Contrastn/a∞ Infinite
Sources: NotebookCheck [Xiaomi Mi 9T Pro]

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 156.7 mm (6.17 in)
Width 75.3 mm (2.96 in) 74.3 mm (2.93 in)
Thickness 8.8 mm (0.35 in) 8.8 mm (0.35 in)
Weight 207 g (7.3 oz) 191 g (6.74 oz)
Water resistance IP65 No
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - Gray
- Blue		 - White
- Black
- Blue
- Red
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
OnePlus Ace 3
90.9 %
Xiaomi Mi 9T Pro
86.1 %

Performance

Testing OnePlus Ace 3 and Xiaomi Mi 9T Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 2 Qualcomm Snapdragon 855
Max Frequency 3200 MHz 2840 MHz
CPU Cores 8 (1 + 2 + 2 + 3) 8 (1 + 3 + 4)
Architecture - 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)		 - 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 4 nm 7 nm
Neural Processor Hexagon Hexagon 690
Graphics Adreno 740 Adreno 640
GPU Cores 1536 768
GPU Frequency 680 MHz 585 MHz
FLOPS 2089 GFLOPS 898.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus Ace 3
1995
Xiaomi Mi 9T Pro
933
Geekbench 6 (Multi-Core)
OnePlus Ace 3
5290
Xiaomi Mi 9T Pro
2405
Geekbench 6 (Single-Core)1995933
Geekbench 6 (Multi-Core)52902405
Sources: Geekbench v6 [OnePlus Ace 3]
AnTuTu 10
AnTuTu 10
OnePlus Ace 3
1609021
Xiaomi Mi 9T Pro
621437
CPU380460200133
GPU592831193659
Memory317920104050
UX317809123595
NanoReview Score1609021621437
3DMark Wild Life
3DMark Wild Life
OnePlus Ace 3
n/a
Xiaomi Mi 9T Pro
3022
Max Surface Temp.n/a44.1 °C
Stabilityn/a88 %
Graphics Testn/a18 fps
Graphics Scoren/a3022
Sources: 3DMark [Xiaomi Mi 9T Pro]
PCMark 3.0
PCMark 3.0
OnePlus Ace 3
n/a
Xiaomi Mi 9T Pro
9555
Writing scoren/a11471
Web scoren/a7040
Video editingn/a5961
Data manipulationn/a8050
NanoReview Scoren/a9555

Memory

RAM
RAM Size - 12 GB
- 16 GB		 - 6 GB
- 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 4200 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		128 GB
Storage TypeUFS 4.0UFS 2.1
Memory CardNoNo

Software

OS Android 14 Android 9.0 (Upgradeable to Android 11)
OS Size n/a 19 GB
UI Skin ColorOS 14 MIUI 12.5

Battery

Volume 5500 mAh 4000 mAh
Max Charging Power 100 W 27 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 11 min) Yes Quick Charge 4+ (40% in 20 min)
Full Charge Time 0:26 h 1:11 h
Battery Life Test
Battery Life
OnePlus Ace 3
n/a
Xiaomi Mi 9T Pro
21:14
Web Browsingn/a07:54 h
Video Playbackn/a12:39 h
Gamesn/a04:50 h
Standby Moden/a109 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Digital Optical, 2x
Flash LED Dual LED
Stabilization Optical Digital
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 480 fps (1080p) 960 fps (1080p)
Wide-angle lens 112 ° 124 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 48 MP
Telephoto: 8 MP
Ultra-wide: 13 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/1.8
Focal length24 mm26 mm
SensorSony IMX890Sony IMX586
Sensor size1/1.561/2
Pixel size1 μm0.8 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrixn/a8 MP
Aperturen/af/2.4
Focal lengthn/a53 mm
Sensorn/aOmnivision OV8856
Sensor sizen/a1/4
Pixel sizen/a1.12 μm
Stabilizationn/aDigital
Ultra-wide lens
Matrix8 MP13 MP
Aperturef/2.2f/2.4
Focal length16 mm12 mm
SensorSony IMX355Samsung S5K3L6
Sensor size1/4.01/3.1
Pixel size1.14 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
OnePlus Ace 3
n/a
Xiaomi Mi 9T Pro
108
Video quality
OnePlus Ace 3
n/a
Xiaomi Mi 9T Pro
89
Overall camera score
OnePlus Ace 3
n/a
Xiaomi Mi 9T Pro
102
Sources: DxOMark [Xiaomi Mi 9T Pro]

Front camera

Matrix 16 MP 20 MP
Photo resolution 4608x3456 pixels 5184x3880 pixels
Aperture f/2.4 f/2.2
Focal length 26 mm 18 mm
Sensor n/a Samsung S5K3T2
Sensor size 1/3.09 1/3.4
Pixel size 1 μm 0.8 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 7 (802.11 a/b/g/n/ac/ax/be) 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 5.3 5
Bluetooth features LE 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
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800MHzGSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsWCDMA 1/4/5/8HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B1/B3/B4/B5/B8/B18/B19/B26/B28/B34/B38/B39/B40/B41)LTE (B800/B850/B900/B1800/B2100/B2300/B2500/B2600)
LTE category2020
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
OnePlus Ace 3
n/a
Xiaomi Mi 9T Pro
87.9 dB

Other

Class Flagship Flagship
Announced January, 2024 yr May, 2019 yr
Release Date January, 2024 yr June, 2019 yr
Launch Price ($) 600 450
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 100 W n/a

Note

OnePlus Ace 3:

This is the Chinese version of the global OnePlus 12R with some differences.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus Ace 3 the clear winner in this comparison.

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