Home Phone comparison Xiaomi 12 and OnePlus Ace 6 - Which is better?

Xiaomi 12 vs OnePlus Ace 6

65 out 100
Xiaomi 12
VS
89 out 100
OnePlus Ace 6
Xiaomi 12
OnePlus Ace 6

Compared 2 smartphones : Xiaomi 12 Manufactured in December, 2021, with display 6.28 with chipsetQualcomm Snapdragon 8 Gen 1, vs OnePlus Ace 6, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite. 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 12
  • Lighter design: 180g vs 213g
  • Supports Dolby Atmos
  • Includes charger
Reasons to choose OnePlus Ace 6
  • Larger display: 6.83in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 7800mAh vs 4500mAh
  • Newer Bluetooth version: 5.4 vs 5.2

Versions

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

Review

Key Specs Xiaomi 12 and OnePlus Ace 6
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 12
vs
OnePlus Ace 6

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.28 in 6.83 in
Resolution 1080x2400 pixels 1272x2800 pixels
Aspect ratio 20:9 19.5:9
Pixel density 419 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (1-120 Hz)
Max brightness 500 nits 800 nits
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate 480 Hz 300 Hz
Screen-to-body ratio 89.3 % 91 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 12
887 nits
OnePlus Ace 6
n/a

Design & Build

Design and ergonomics comparison
Height 152.7 mm (6.01 in) 163.4 mm (6.43 in)
Width 69.9 mm (2.75 in) 77 mm (3.03 in)
Thickness 8.16 mm (0.32 in) 8.3 mm (0.33 in)
Weight 180 g (6.35 oz) 213 g (7.51 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Blue
- Pink		 - White
- Black
- Silver
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 12
89.3 %
OnePlus Ace 6
91 %

Performance

Testing Xiaomi 12 and OnePlus Ace 6 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 1 Qualcomm Snapdragon 8 Elite
Max Frequency 3000 MHz 4320 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Cortex-A510)
- 3/2.5 (Cortex-A710)
- 1/3 (Cortex-X2)		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process Samsung TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 730 Adreno 830
GPU Cores 1024 1536
GPU Frequency 818 MHz 1100 MHz
FLOPS 1675.3 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 12
1702
OnePlus Ace 6
3160
Geekbench 6 (Multi-Core)
Xiaomi 12
3977
OnePlus Ace 6
9736
Geekbench 6 (Single-Core)17023160
Geekbench 6 (Multi-Core)39779736
Sources: Geekbench v6 [Xiaomi 12], [OnePlus Ace 6]
AnTuTu 10
AnTuTu 10
Xiaomi 12
1187033
OnePlus Ace 6
3114604
CPU308025856857
GPU4390661148661
Memory237645455327
UX212297653759
NanoReview Score11870333114604
3DMark Wild Life
3DMark Wild Life
Xiaomi 12
8751
OnePlus Ace 6
n/a
Stability60 %n/a
Graphics Test52 fpsn/a
Graphics Score8751n/a
Sources: 3DMark [Xiaomi 12]
PCMark 3.0
PCMark 3.0
Xiaomi 12
12987
OnePlus Ace 6
n/a
Writing score14840n/a
Web score11534n/a
Video editing7452n/a
Data manipulation9643n/a
NanoReview Score12987n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 3200 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 12 (Upgradeable to Android 14) Android 16
UI Skin HyperOS 1.0 ColorOS 16

Battery

Volume 4500 mAh 7800 mAh
Max Charging Power 67 W 120 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (87% in 30 min) Yes (58% in 20 min)
Full Charge Time 0:46 h 0:44 h
Battery Life Test
Battery Life
Xiaomi 12
15:58
OnePlus Ace 6
n/a
Web Browsing06:17 hn/a
Video Playback10:46 hn/a
Games04:42 hn/a
Standby Mode71 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS No
4K Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (720p) 240 fps (1080p)
Wide-angle lens 123 ° 112 °
Lenses count Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length26 mm24 mm
SensorSony IMX766Sony LYTIA-T808
Sensor size1/1.561/1.43
Pixel size1 μm1.12 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Ultra-wide lens
Matrix13 MP8 MP
Aperturef/2.4f/2.2
Focal length12 mm16 mm
SensorOmniVision OV13B10Omnivision OV08D10
Sensor size1/3.061/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 12
118
OnePlus Ace 6
n/a
Video quality
Xiaomi 12
121
OnePlus Ace 6
n/a
Overall camera score
Xiaomi 12
113
OnePlus Ace 6
n/a
Bokeh55n/a
Preview69n/a
Zoom72n/a
Sources: DxOMark [Xiaomi 12]

Front camera

Matrix 32 MP 16 MP
Photo resolution 6528x4896 pixels 4608x3456 pixels
Aperture f/2.4 f/2.4
Focal length 26 mm 23 mm
Sensor OmniVision OV32B40 Sony IMX480
Sensor size n/a 1/3.09
Pixel size 0.7 μm 1 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- 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 5.2 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
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 1900 MHzn/a
3G BandsWCDMA B1/2/4/5/6/8/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No

Other

Class Flagship Flagship
Announced December, 2021 yr October, 2025 yr
Release Date December, 2021 yr October, 2025 yr
Launch Price ($) 580 n/a
Sensors - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 67 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus Ace 6 the clear winner in this comparison.

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