Home Phone comparison Xiaomi 13 Ultra and OnePlus Ace 6T - Which is better?

Xiaomi 13 Ultra vs OnePlus Ace 6T

81 out 100
Xiaomi 13 Ultra
VS
92 out 100
OnePlus Ace 6T
Xiaomi 13 Ultra
OnePlus Ace 6T

Compared 2 smartphones : Xiaomi 13 Ultra Manufactured in April, 2023, with display 6.73 with chipsetQualcomm Snapdragon 8 Gen 2, vs OnePlus Ace 6T, Manufactured in December, 2025with chipsetQualcomm Snapdragon 8 Gen 5. 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 13 Ultra
  • Higher pixel density: 522ppi
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
Reasons to choose OnePlus Ace 6T
  • Larger display: 6.83in
  • Higher refresh rate: 165Hz
  • Lighter design: 211g vs 227g
  • Higher battery capacity: 8300mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5.3

Versions

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

Review

Key Specs Xiaomi 13 Ultra and OnePlus Ace 6T
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 13 Ultra
vs
OnePlus Ace 6T

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.73 in 6.83 in
Resolution 1440x3200 pixels 1272x2800 pixels
Aspect ratio 20:9 19.5:9
Pixel density 522 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes Yes (60-120 Hz)
Max brightness 1300 nits 1800 nits
HDR support Yes Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 240 Hz 300 Hz
Screen-to-body ratio 89.7 % 91 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 13 Ultra
1201 nits
OnePlus Ace 6T
n/a
sRGB gamut97.4 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 13 Ultra]

Design & Build

Design and ergonomics comparison
Height 163.18 mm (6.42 in) 163.41 mm (6.43 in)
Width 74.64 mm (2.94 in) 77.04 mm (3.03 in)
Thickness 9.06 mm (0.36 in) 8.1 mm (0.32 in)
Weight 227 g (8.01 oz) 211 g (7.44 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Eco Leather Glass
Frame Metal Metal
Colors - White
- Black
- Green		 - Black
- Green
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 13 Ultra
89.7 %
OnePlus Ace 6T
91 %

Performance

Testing Xiaomi 13 Ultra and OnePlus Ace 6T In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 2 Qualcomm Snapdragon 8 Gen 5
Max Frequency 3200 MHz 3840 MHz
CPU Cores 8 (1 + 2 + 2 + 3) 8 (2 + 6)
Architecture - 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)		 6/3.32 ()
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 740 Adreno 829
GPU Cores 1536 1024
GPU Frequency 680 MHz 1200 MHz
FLOPS 2089 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 13 Ultra
1995
OnePlus Ace 6T
2923
Geekbench 6 (Multi-Core)
Xiaomi 13 Ultra
5419
OnePlus Ace 6T
10007
Geekbench 6 (Single-Core)19952923
Geekbench 6 (Multi-Core)541910007
Geekbench Compute (GPU)n/a21256
Sources: Geekbench v6 [OnePlus Ace 6T]
AnTuTu 10
AnTuTu 10
Xiaomi 13 Ultra
1524921
OnePlus Ace 6T
3561559
CPU3891401061167
GPU5964051160801
Memory297015538316
UX242361801275
NanoReview Score15249213561559
3DMark Wild Life
3DMark Wild Life
Xiaomi 13 Ultra
11992
OnePlus Ace 6T
n/a
Max Surface Temp.52 °Cn/a
Stability89 %n/a
Graphics Test71 fpsn/a
Graphics Score11992n/a
Sources: 3DMark [Xiaomi 13 Ultra]

Memory

RAM
RAM Size - 12 GB
- 16 GB		 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 3200 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 13 (Upgradeable to Android 14) Android 16
UI Skin HyperOS 1.0 ColorOS 16

Battery

Volume 5000 mAh 8300 mAh
Max Charging Power 90 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes Yes
Fast Charging Yes (58% in 15 min) Yes (58% in 23 min)
Full Charge Time 0:40 h n/a
Battery Life Test
Battery Life
Xiaomi 13 Ultra
23:30
OnePlus Ace 6T
n/a
Web Browsing09:36 hn/a
Video Playback13:10 hn/a
Games05:28 hn/a
Standby Mode117 hn/a

Main camera

Matrix 503 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 5x 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 (1080p) 240 fps (1080p)
Wide-angle lens 122 ° 112 °
Lenses count Standard: 50.3 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix503 MP50 MP
Aperturef/1.9 - 4.0f/1.8
Focal length23 mm24 mm
SensorSony IMX989Sony IMX906
Sensor size1/11/1.56 (0.64)
Pixel size1.6 μm1 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/3.0n/a
Focal length120 mmn/a
SensorSony IMX858n/a
Sensor size1/2.51n/a
Pixel size0.64 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/1.8f/2.2
Focal length12 mm16 mm
SensorSony IMX858Omnivision OV08D10
Sensor size1/2.511/4.0 (0.25)
Pixel size0.64 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 13 Ultra
138
OnePlus Ace 6T
n/a
Video quality
Xiaomi 13 Ultra
137
OnePlus Ace 6T
n/a
Overall camera score
Xiaomi 13 Ultra
140
OnePlus Ace 6T
n/a
Bokeh65n/a
Preview72n/a
Zoom147n/a
Sources: DxOMark [Xiaomi 13 Ultra]

Front camera

Matrix 32 MP 16 MP
Photo resolution 6528x4896 pixels 4608x3456 pixels
Aperture f/2.0 f/2.4
Focal length 22 mm 23 mm
Sensor CMOS Sony IMX480
Sensor size 1/3.14 1/3.09 (0.32)
Pixel size 0.7 μm 1 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi 13 Ultra
123
OnePlus Ace 6T
n/a
Video quality
Xiaomi 13 Ultra
137
OnePlus Ace 6T
n/a

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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 5.3 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- 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 B3 / B5 / B8GSM 850/900/1800MHz
3G BandsWCDMA B1 / B4 / B5 / B6 / B8 / B19WCDMA 1/4/5/6/8/19
LTE Bands*LTE (B1/B3/B4/B5/B7/B8/B12/B17/B18/B19/B26/B34/B38/B39/B40/B41/B42)LTE (B1/B3/B4/B5/B8/B18/B19/B26/B28/B34/B38/B39/B40/B41/B42/B43/B48/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
Speaker Test
Max Volume
Xiaomi 13 Ultra
89.5 dB
OnePlus Ace 6T
n/a

Other

Class Flagship Flagship
Announced April, 2023 yr December, 2025 yr
Release Date April, 2023 yr December, 2025 yr
Launch Price ($) 1499 n/a
MSRP ($) n/a 350
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

Survey

Which smartphone would you pick?
0 (0%)
4 (100%)
Total Votes: 4

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