Xiaomi 15 Ultra vs 12 Pro

90 out of 100
Xiaomi 15 Ultra
VS
62 out of 100
Xiaomi 12 Pro

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 Xiaomi 12 Pro, which is powered by Qualcomm Snapdragon 8 Gen 1 and came out 3 years and 2 months before. 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

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi 15 Ultra
  • Waterproof body (IP68 classification)
  • 2.2x better performance in AnTuTu Benchmark (3030K versus 1349K)
  • Shows 78% longer battery life (30:03 vs 16:53 hours)
  • The rear camera has a 4.3x optical zoom
  • Better camera quality (According to DxOMark rating)
  • Delivers 51% higher peak brightness (1588 against 1049 nits)
  • Newer Bluetooth version (v6.0)
  • Has 50% more RAM: 12GB versus 8GB
  • Comes with 810 mAh larger battery capacity: 5410 vs 4600 mAh
  • Compatible with Wi-Fi 7 wireless networks
  • More recent OS version: Android 16 versus 15
  • The phone is 3 years and 2 months newer
  • The front-facing camera can record video at 4K
Reasons to consider the Xiaomi 12 Pro
  • Supports higher wattage charging (120W versus 90W)
  • Weighs 22 grams less

Review

Evaluation of Xiaomi 15 Ultra and 12 Pro 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
DeviceFacts Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate DeviceFacts Score
📱 Primary usage:

Value for money (Beta)

Should I update?
No 96% Yes
Yes, this is a clear and meaningful upgrade.
Updating from Xiaomi 12 Pro to Xiaomi 15 Ultra is a clear step forward, and the improvements should be easy to notice.
Main improvements: gaming, performance, and battery life.

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type AMOLED AMOLED
Size 6.73 inches 6.73 inches
Resolution 1440 x 3200 pixels 1440 x 3200 pixels
Aspect ratio 20:9 20:9
PPI 522 ppi 521 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max rated brightness 1600 nits 970 nits
Max rated brightness in HDR 3200 nits 1500 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 300 Hz 480 Hz
Screen protection Xiaomi Shield Glass 2.0 Gorilla Glass Victus
Screen-to-body ratio 90% 89.5%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 99.7% 99.8%
PWM 120 Hz 367 Hz
Response time 1 ms 5 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
15 Ultra +51%
1588 nits
1049 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 161.3 mm (6.35 inches) 163.6 mm (6.44 inches)
Width 75.3 mm (2.96 inches) 74.6 mm (2.94 inches)
Thickness 9.35 mm (0.37 inches) 8.66 mm (0.34 inches)
Weight 226 g (7.97 oz) 204 g (7.2 oz)
Waterproof IP68 No
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors White, Black, Silver, Green Black, Blue, Green, 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 +1%
90%
89.5%

Performance

Chipset specifications of Xiaomi 15 Ultra and Xiaomi 12 Pro
SoC
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Gen 1
Max clock 4320 MHz 3000 MHz
CPU cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)
- 4 cores at 1.8 GHz: Cortex-A510
- 3 cores at 2.5 GHz: Cortex-A710
- 1 core at 3 GHz: Cortex-X2
L3 cache 8 MB 6 MB
Manufacturing TSMC Samsung
Lithography process 3 nanometers 4 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 830 Adreno 730
GPU shading units 1536 1024
GPU clock 1100 MHz 818 MHz
FLOPS ~3379.2 GFLOPS ~1675.3 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi 15 Ultra and Xiaomi 12 Pro
Geekbench 6 (Single-Core)
15 Ultra +221%
3106
968
Geekbench 6 (Multi-Core)
15 Ultra +169%
9710
3605
Compute Score (GPU)
15 Ultra +550%
24339
3743
Compute Score (GPU) 24339 3743
Single-core score 3106 968
Multi-core score 9710 3605
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
15 Ultra +125%
3030376
1349808
CPU 912791 500024
GPU 1097348 223043
Memory 440343 243998
UX 579894 382743
Total score 3030376 1349808
Samples [12 tests] [6 tests]
3DMark Steel Nomad Light
2151
n/a
Stability 76% -
Graphics test 16 FPS -
Graphics score 2151 -
3DMark Solar Bay
9815
n/a
Graphics test 37 FPS -
Section 1 42 FPS -
Section 2 38 FPS -
Section 3 32 FPS -
Graphics score 9815 -
3DMark Wild Life Extreme
15 Ultra +127%
5626
2479
Stability 85% 88%
Graphics test 33 FPS 14 FPS
Graphics score 5626 2479
Sources: 3DMark [5], [6]
PCMark 3.0
15 Ultra +82%
18823
10354
Web score 19993 8304
Video editing 8213 6949
Photo editing 36597 25400
Data manipulation 17882 9541
Writing score 22481 13100
AnTuTu 11 Ranking List (#111th place)

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
Xiaomi 12 Pro
DateBenchmarkResult
📘 2026-09-27 (Tema)CPU Throttle86%
📘 2026-06-07 (Tema)AnTuTu 111603387
📘 2026-04-15 (Max)AnTuTu 111349808
📘 2026-04-03 (12 pro)AnTuTu 111555919
📘 2026-03-29 (thxthelow)AnTuTu 111297778

Memory

RAM
RAM size 12 GB 8 GB
Memory type LPDDR5X LPDDR5
Memory clock 5300 MHz 3200 MHz
Channels 4 2
Storage
Storage size 256 GB 128 GB
Storage type UFS 4.1 UFS 3.1
Memory card No No

Software

Operating system Android 15 (Can be upgraded to Android 16) Android 12 (Can be upgraded to Android 15)
ROM HyperOS 3.0 HyperOS 3
OS size 23.9 GB 26.5 GB
OS updates 4 years -
Security updates 7 years -

Battery

Capacity 5410 mAh 4600 mAh
Max charge power 90 W 120 W
Battery type Silicon-Carbon (Si/C) Li-Po
Replaceable No No
Wireless charging Yes (80 W) Yes (50 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging No -
Fast charging Yes (72% in 30 min) Yes (50% in 8 min)
Full charging time 0:51 hr 0:21 hr
Battery cycles 1000 cycles -
Battery life tests
Web browsing 12:19 hr 06:40 hr
Watching video 18:43 hr 10:08 hr
Gaming 06:45 hr 04:44 hr
Standby 141 hr 81 hr
General battery life
15 Ultra +78%
30:03 hr
16:53 hr

Main camera

Matrix 50 megapixels 50 megapixels
Image resolution 8192 x 6144 8700 x 5800
Zoom Optical, 4.3x Optical, 2x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 30FPS Up to 24FPS
4K video recording Up to 120FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 1920 FPS (1080p) 1920 FPS (720p)
Angle of widest lens 115° 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
3) Ultrawide: 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/1.9
Focal length 23 mm 24 mm
Sensor Sony LYT-900 Sony IMX707
Sensor size 1/1.0" (≈ 1 inch) 1/1.28" (≈ 0.78 inch)
Pixel size 1.6 micron 1.22 micron
Autofocus Laser autofocus Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution 200 MP 50 MP
Aperture f/2.6 f/1.9
Focal length 100 mm 48 mm
Sensor Samsung ISOCELL S5KHP9 Samsung JN1
Sensor size 1/1.4" (≈ 0.71 inch) 1/2.76" (≈ 0.36 inch)
Pixel size 0.56 micron 0.64 micron
Stabilization Optical Digital
Ultra-wide lens
Image resolution 50 MP 50 MP
Aperture f/2.2 f/2.2
Focal length 14 mm 14 mm
Sensor Samsung S5KJN5 Samsung JN1
Sensor size 1/2.76" (≈ 0.36 inch) 1/2.76" (≈ 0.36 inch)
Pixel size 0.64 micron 0.64 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
15 Ultra +23%
167
136
Video quality
15 Ultra +14%
143
125
Generic main camera score
15 Ultra +23%
159
129
Bokeh 170 70
Preview 89 70
Zoom 166 102
Samples Photo samples of Xiaomi 15 Ultra from DxOMark Photo samples of Xiaomi 12 Pro from DxOMark

Selfie camera

Megapixels 32 megapixels 32 megapixels
Image resolution 6528 x 4896 6528 x 4896
Aperture f/2.0 f/2.5
Focal length 22 mm 26 mm
Sensor Omnivision OV32B OmniVision OV32b40
Sensor size 1/3.14" (≈ 0.32 inch) 1/3.14" (≈ 0.32 inch)
Pixel size 0.7 micron 0.7 micron
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 1080p (Full HD) at 60 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 6E (802.11 a/b/g/n/ac/ax)
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 5.2
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 -
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
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 No
Hybrid slot No No
LTE Cat* - 20
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
15 Ultra +9%
92.1 dB
84.2 dB

Other

Category Flagship Flagship
Announced February 2025 December 2021
Release date February 2025 December 2021
Launch price (MSRP) $1099 $999
Successor - Xiaomi 17 Ultra - Xiaomi 15 Pro
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 90 W Yes, 120 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

After analyzing all the data, we think that the Xiaomi 15 Ultra is definitely a better buy.

Cast your vote

So, which phone would you choose?
4 (100%)
0 (0%)
Total votes: 4

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