Home Phone comparison Xiaomi 15 Ultra and Xiaomi 14 Ultra - Which is better?

Xiaomi 15 Ultra vs Xiaomi 14 Ultra

95 out 100
Xiaomi 15 Ultra
VS
87 out 100
Xiaomi 14 Ultra
Xiaomi 15 Ultra
Xiaomi 14 Ultra

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi 14 Ultra, Manufactured in February, 2024with chipsetQualcomm Snapdragon 8 Gen 3. 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 15 Ultra
  • Higher battery capacity: 5410mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Built-in eSIM
Reasons to choose Xiaomi 14 Ultra
  • Lighter design: 219.8g vs 226g

Versions

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

Review

Key Specs Xiaomi 15 Ultra and Xiaomi 14 Ultra
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 15 Ultra
vs
Xiaomi 14 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.73 in 6.73 in
Resolution 1440x3200 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 522 ppi 522 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness n/a 3000 nits
HDR support Yes Dolby Vision Yes Dolby Vision
Touch Sampling Rate 300 Hz 240 Hz
Screen-to-body ratio 90 % 89.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 15 Ultra
1599 nits
Xiaomi 14 Ultra
1269 nits
sRGB gamut99.7 %98.9 %
PWM (Flicker)120 Hz120 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi 15 Ultra], [Xiaomi 14 Ultra]

Design & Build

Design and ergonomics comparison
Height 161.3 mm (6.35 in) 161.4 mm (6.35 in)
Width 75.3 mm (2.96 in) 75.3 mm (2.96 in)
Thickness 9.35 mm (0.37 in) 9.2 mm (0.36 in)
Weight 226 g (7.97 oz) 219.8 g (7.75 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Silver
- Green		 - White
- Black
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 15 Ultra
90 %
Xiaomi 14 Ultra
89.9 %

Performance

Testing Xiaomi 15 Ultra and Xiaomi 14 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Gen 3
Max Frequency 4320 MHz 3300 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 2 + 2)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 750
GPU Cores 1536 1536
GPU Frequency 1100 MHz 903-1000 MHz
FLOPS 3379.2 GFLOPS 2774 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15 Ultra
3008
Xiaomi 14 Ultra
2197
Geekbench 6 (Multi-Core)
Xiaomi 15 Ultra
9065
Xiaomi 14 Ultra
7058
Geekbench 6 (Single-Core)30082197
Geekbench 6 (Multi-Core)90657058
Geekbench Compute (GPU)n/a16435
Sources: Geekbench v6 [Xiaomi 15 Ultra], [Xiaomi 14 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi 15 Ultra
2544373
Xiaomi 14 Ultra
2019519
CPU558586436541
GPU1040161840663
Memory520300431435
UX425326328880
NanoReview Score25443732019519
3DMark Wild Life
3DMark Wild Life
Xiaomi 15 Ultra
n/a
Xiaomi 14 Ultra
15437
Max Surface Temp.n/a47.7 °C
Stabilityn/a86 %
Graphics Testn/a92 fps
Graphics Scoren/a15437
Sources: 3DMark [Xiaomi 14 Ultra]
PCMark 3.0
PCMark 3.0
Xiaomi 15 Ultra
n/a
Xiaomi 14 Ultra
16417
Writing scoren/a19642
Web scoren/a14876
Video editingn/a7929
Data manipulationn/a15903
NanoReview Scoren/a16417

Memory

RAM
RAM Size 12 GB - 12 GB
- 16 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 4200 MHz
Channels 2 4
Storage
Storage Capacity256 GB- 256 GB
- 512 GB
- 1024 GB
Storage TypeUFS 4.1UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 14 (Upgradeable to Android 15)
OS Size 23.9 GB 31 GB
UI Skin HyperOS 2.0 HyperOS 2.0

Battery

Volume 5410 mAh 5000 mAh
Max Charging Power 90 W 90 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging Yes (80 W) Yes (80 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (72% in 30 min) Yes (52% in 15 min)
Full Charge Time 0:51 h 0:34 h
Battery Life Test
Battery Life
Xiaomi 15 Ultra
30:03
Xiaomi 14 Ultra
22:08
Web Browsing12:19 h09:23 h
Video Playback18:43 h12:26 h
Games06:45 h04:35 h
Standby Mode141 h109 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 4.3x Optical, 5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
4K Recording Yes (Up to 120 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (1080p) 1920 fps (1080p)
Wide-angle lens 115 ° 122 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 50 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.63f/1.6 - 4.0
Focal length23 mm23 mm
SensorSony LYT-900Sony LYT-900
Sensor size1/1.01/1.0
Pixel size1.6 μm1.6 μm
AutofocusLaser autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MP50 MP
Aperturef/2.6f/1.8
Focal length100 mm120 mm
SensorSamsung ISOCELL S5KHP9Sony IMX858
Sensor size1/1.41/2.51
Pixel size0.56 μm0.7 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/1.8
Focal length14 mm12 mm
SensorSamsung S5KJN5Sony IMX858
Sensor size1/2.761/2.51
Pixel size0.64 μm0.7 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15 Ultra
158
Xiaomi 14 Ultra
144
Video quality
Xiaomi 15 Ultra
134
Xiaomi 14 Ultra
150
Overall camera score
Xiaomi 15 Ultra
153
Xiaomi 14 Ultra
149
Bokeh8075
Preview8983
Zoomn/a160
Sources: DxOMark [Xiaomi 15 Ultra], [Xiaomi 14 Ultra]

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels 6528x4896 pixels
Aperture f/2.0 f/2.0
Focal length 22 mm 22 mm
Sensor Omnivision OV32B Omnivision OV32B
Sensor size 1/3.14 1/3.14
Pixel size 0.7 μm 0.7 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

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 6.0 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes Yes DP 1.2
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM 2/3/5/8
3G BandsWCDMA 1/2/4/5/6/8/19WCDMA 1/2/4/5/6/8/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)
LTE categoryn/a20
5G SupportYesYes

Sound

Speakers n/a Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 15 Ultra
92.1 dB
Xiaomi 14 Ultra
90.3 dB

Other

Class Flagship Flagship
Announced February, 2025 yr February, 2024 yr
Release Date February, 2025 yr February, 2024 yr
Launch Price ($) n/a 1499
MSRP ($) 1099 n/a
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W Yes 90 W

Note

Xiaomi 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.

Xiaomi 14 Ultra:

The rear cover is available in glass or eco-leather, while the frame can be aluminum or titanium. The front glass is either Xiaomi Shield Glass or Xiaomi Longjing Glass.

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

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
6 (35.29%)
11 (64.71%)
Total Votes: 17

User comments

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