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Xiaomi 15 Ultra vs OnePlus 13T

90 out of 100
Xiaomi 15 Ultra
VS
83 out of 100
OnePlus 13T
Xiaomi 15 Ultra
OnePlus 13T

Here we compared two flagship smartphones: the 6.73-inch Xiaomi 15 Ultra (with Qualcomm Snapdragon 8 Elite) that was released on February 27, 2025, against the OnePlus 13T, which is powered by the same chip and came out 2 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi 15 Ultra
  • The rear camera has a 4.3x optical zoom
  • Handles wireless charging up to 80W
  • Newer Bluetooth version (v6.0)
  • Waterproof body (IP68 classification)
  • Has a 0.41 inch larger screen size
  • Slow-motion recording at 1920FPS
  • More recent OS version: Android 16 versus 15
  • 13% higher pixel density (522 vs 460 PPI)
  • Supports higher wattage charging (90W versus 80W)
  • The front-facing camera can record video at 4K
Reasons to consider the OnePlus 13T
  • Comes with 850 mAh larger battery capacity: 6260 vs 5410 mAh
  • Weighs 41 grams less

Review

Evaluation of Xiaomi 15 Ultra and OnePlus 13T crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
DeviceFacts Score
Final comparison evaluation
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Value for money (Beta)

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Currency
12 / 256 GB
VS
12 / 256 GB
18.8
(Bad)
Value Index
63.9
(Average)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
15 Ultra
vs
OnePlus 13T

Display

Type AMOLED AMOLED
Size 6.73 inches 6.32 inches
Resolution 1440 x 3200 pixels 1216 x 2640 pixels
Aspect ratio 20:9 19.5:9
PPI 522 ppi 460 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max rated brightness 1600 nits 800 nits
Max rated brightness in HDR 3200 nits 1600 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 300 Hz 240 Hz
Screen protection Xiaomi Shield Glass 2.0 Crystal Shield Glass
Screen-to-body ratio 90% 90.7%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 99.7% -
PWM 120 Hz -
Response time 1 ms -
Contrast ∞ Infinity -
Screen space comparison
15 Ultra
6.73″ (20:9 ratio) = 16.9 in2
OnePlus 13T
6.32″ (19.5:9 ratio) = 15.2 in2
~11% more screen space
Peak brightness test (auto)
15 Ultra
1588 nits
OnePlus 13T
n/a
Sources: NotebookCheck [3]

Design and build

Height 161.3 mm (6.35 inches) 150.81 mm (5.94 inches)
Width 75.3 mm (2.96 inches) 71.7 mm (2.82 inches)
Thickness 9.35 mm (0.37 inches) 8.15 mm (0.32 inches)
Weight 226 g (7.97 oz) 185 g (6.53 oz)
Waterproof IP68 IP65
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors White, Black, Silver, Green Black, Gray, Pink
Fingerprint scanner Yes, in-display Yes, in-display
Repairability Average (2.61/5) -
Drop resistance Good (C) · 90 drops -
Screen-to-body ratio
15 Ultra
90%
OnePlus 13T +1%
90.7%

Performance

Chipset specifications of Xiaomi 15 Ultra and OnePlus 13T
SoC
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite
Max clock 4320 MHz 4320 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)		 - 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)
L3 cache 8 MB 8 MB
Manufacturing TSMC TSMC
Lithography process 3 nanometers 3 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 830 Adreno 830
GPU shading units 1536 1536
GPU clock 1100 MHz 1100 MHz
FLOPS ~3379.2 GFLOPS ~3379.2 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi 15 Ultra and OnePlus 13T
Geekbench 6 (Single-Core)
15 Ultra +4%
3106
OnePlus 13T
2992
Geekbench 6 (Multi-Core)
15 Ultra +4%
9710
OnePlus 13T
9307
Compute Score (GPU)
15 Ultra
24339
OnePlus 13T +2%
24853
Compute Score (GPU) 24339 24853
Single-core score 3106 2992
Multi-core score 9710 9307
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
15 Ultra
3030376
OnePlus 13T +5%
3173674
CPU 912791 950649
GPU 1097348 1161132
Memory 440343 356504
UX 579894 705389
Total score 3030376 3173674
Samples [12 tests] [8 tests]
3DMark Steel Nomad Light
15 Ultra
2151
OnePlus 13T +15%
2468
Stability 76% 91%
Graphics test 16 FPS 18 FPS
Graphics score 2151 2468
3DMark Solar Bay
15 Ultra
9815
OnePlus 13T +12%
11020
Graphics test 37 FPS 42 FPS
Section 1 42 FPS 48 FPS
Section 2 38 FPS 42 FPS
Section 3 32 FPS 35 FPS
Graphics score 9815 11020
3DMark Wild Life Extreme
Stability 85% -
Graphics test 33 FPS -
Graphics score 5626 -
Sources: 3DMark [5], [6]
PCMark 3.0
15 Ultra
18823
OnePlus 13T
18784
Web score 19993 21599
Video editing 8213 8606
Photo editing 36597 29817
Data manipulation 17882 16672
Writing score 22481 24602
AnTuTu 11 Ranking List (111th and 82nd place)
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi 15 Ultra
DateBenchmarkResult
📘 2026-09-27 (dmxsan)AnTuTu 123059557
📘 2026-07-07 (average f-4 enjoyer)AnTuTu 112993761
📘 2026-06-28 (Mansur)Battery lifeSOT 12:59 / 16:48
📘 2026-02-22 (XX5mipiXX)AnTuTu 113108699
📘 2026-01-27 -> MiEmirrGeekbench 6 CPU3127 / 9465
Add View all (21)
OnePlus 13T
DateBenchmarkResult
📘 2026-10-05 (sosalka)Geekbench 6 CPU2748 / 8459
📘 2026-04-04 (Абэме)AnTuTu 113227783
📘 2026-03-21 (Ian)AnTuTu 113173674
📘 2026-03-11 (huinamb)AnTuTu 112988190
📘 2026-02-16 -> qd1chzAnTuTu 113397578
Add View all (10)

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 5300 MHz 5300 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.1 UFS 4.0
Memory card No No

Software

Operating system Android 15 (Can be upgraded to Android 16) Android 15
ROM HyperOS 3.0 ColorOS 15
OS size 23.9 GB 54 GB
OS updates 4 years 4 years
Security updates 7 years 6 years

Battery

Capacity 5410 mAh 6260 mAh
Max charge power 90 W 80 W
Battery type Silicon-Carbon (Si/C) Silicon-Carbon (Si/C)
Replaceable No No
Wireless charging Yes (80 W) No
Reverse charging Yes, (wireless) Yes
Bypass charging No -
Fast charging Yes (72% in 30 min) Yes (50% in 21 min)
Full charging time 0:51 hr 1:01 hr
Battery cycles 1000 cycles -
Battery life tests
Web browsing 12:19 hr -
Watching video 18:43 hr -
Gaming 06:45 hr -
Standby 141 hr -
General battery life
15 Ultra
30:03 hr
OnePlus 13T
n/a
Add your battery life

Main camera

Matrix 50 megapixels 50 megapixels
Image resolution 8192 x 6144 8192 x 6144
Zoom Optical, 4.3x Optical, 2x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 30FPS Up to 30FPS
4K video recording Up to 120FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 1920 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 115° -
Lenses 1) Standard: 50 MP
2) Telephoto: 200 MP
3) Telephoto: 50 MP
4) Ultrawide: 50 MP
5) Depth
1) Standard: 50 MP
2) Telephoto: 50 MP
Camera features - Bokeh mode
- Pro mode
- RAW support		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 50 MP 50 MP
Aperture f/1.63 f/1.8
Focal length 23 mm 24 mm
Sensor Sony LYT-900 Sony IMX906
Sensor size 1/1.0" (≈ 1 inch) 1/1.56" (≈ 0.64 inch)
Pixel size 1.6 micron 1.12 micron
Autofocus Laser autofocus Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 200 MP 50 MP
Aperture f/2.6 f/2.0
Focal length 100 mm -
Sensor Samsung ISOCELL S5KHP9 Samsung S5KJN5
Sensor size 1/1.4" (≈ 0.71 inch) 1/2.76" (≈ 0.36 inch)
Pixel size 0.56 micron 0.64 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 50 MP -
Aperture f/2.2 -
Focal length 14 mm -
Sensor Samsung S5KJN5 -
Sensor size 1/2.76" (≈ 0.36 inch) -
Pixel size 0.64 micron -
Stabilization Digital -

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh 170 -
Preview 89 -
Zoom 166 -
Samples Photo samples of Xiaomi 15 Ultra from DxOMark -

Selfie camera

Megapixels 32 megapixels 16 megapixels
Image resolution 6528 x 4896 -
Aperture f/2.0 f/2.4
Focal length 22 mm 24 mm
Sensor Omnivision OV32B Sony IMX480
Sensor size 1/3.14" (≈ 0.32 inch) 1/3.09" (≈ 0.32 inch)
Pixel size 0.7 micron 1 micron
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 1080p (Full HD) at 30 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard 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 6.0 5.4
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 Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Yes
Infrared port Yes Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes No
Speakers test
Max loudness
15 Ultra
92.1 dB
OnePlus 13T
n/a

Other

Category Flagship Flagship
Announced February 2025 April 2025
Release date February 2025 April 2025
Launch price (MSRP) $1099 $650
Successor - Xiaomi 17 Ultra - OnePlus 15T
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 90 W Yes, 80 W
Further details
Notes on 15 Ultra:
    - The Chinese version of the Xiaomi 15 Ultra has a 6000 mAh battery, while the international model comes with 5410 mAh, leading to a noticeable difference in battery life.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the display, camera, connectivity, software, and sound are more important to you, then choose the Xiaomi 15 Ultra. But if the gaming is more of a priority – go for the OnePlus 13T.

Cast your vote

So, which phone would you choose?
0 (0%)
3 (100%)
Total votes: 3

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