Home Phone comparison Xiaomi 15 Ultra and Nothing Phone (2) - Which is better?

Xiaomi 15 Ultra vs Nothing Phone (2)

95 out 100
Xiaomi 15 Ultra
VS
70 out 100
Nothing Phone (2)
Xiaomi 15 Ultra
Nothing Phone (2)

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Nothing Phone (2), Manufactured in July, 2023with chipsetQualcomm Snapdragon 8 Plus Gen 1. 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
  • Larger display: 6.73in
  • Higher pixel density: 522ppi
  • Higher battery capacity: 5410mAh vs 4700mAh
  • Newer Bluetooth version: 6.0 vs 5.3
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM
  • Includes charger
Reasons to choose Nothing Phone (2)
  • Lighter design: 201.2g vs 226g

Versions

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

Review

Key Specs Xiaomi 15 Ultra and Nothing Phone (2)
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
Nothing Phone (2)

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.73 in 6.7 in
Resolution 1440x3200 pixels 1080x2412 pixels
Aspect ratio 20:9 20:9
Pixel density 522 ppi 394 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (10-120 Hz)
Max brightness n/a 600 nits
HDR support Yes Dolby Vision Yes HDR10+
Touch Sampling Rate 300 Hz 360 Hz
Screen-to-body ratio 90 % 87.5 %
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
Nothing Phone (2)
991 nits
sRGB gamut99.7 %98.3 %
PWM (Flicker)120 Hz90 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi 15 Ultra], [Nothing Phone (2)]

Design & Build

Design and ergonomics comparison
Height 161.3 mm (6.35 in) 162.1 mm (6.38 in)
Width 75.3 mm (2.96 in) 76.4 mm (3.01 in)
Thickness 9.35 mm (0.37 in) 8.6 mm (0.34 in)
Weight 226 g (7.97 oz) 201.2 g (7.1 oz)
Water resistance IP68 IP54
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Silver
- Green		 - White
- Gray
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 15 Ultra
90 %
Nothing Phone (2)
87.5 %

Performance

Testing Xiaomi 15 Ultra and Nothing Phone (2) In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Plus Gen 1
Max Frequency 4320 MHz 3200 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/2 (Cortex-A510)
- 3/2.75 (Cortex-A710)
- 1/3.2 (Cortex-X2)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 730
GPU Cores 1536 1024
GPU Frequency 1100 MHz 900 MHz
FLOPS 3379.2 GFLOPS 1843.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15 Ultra
3008
Nothing Phone (2)
1718
Geekbench 6 (Multi-Core)
Xiaomi 15 Ultra
9065
Nothing Phone (2)
4478
Geekbench 6 (Single-Core)30081718
Geekbench 6 (Multi-Core)90654478
Sources: Geekbench v6 [Xiaomi 15 Ultra], [Nothing Phone (2)]
AnTuTu 10
AnTuTu 10
Xiaomi 15 Ultra
2544373
Nothing Phone (2)
1200612
CPU558586348707
GPU1040161385273
Memory520300207889
UX425326258743
NanoReview Score25443731200612

Memory

RAM
RAM Size 12 GB - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 5333 MHz 3200 MHz
Channels 2 4
Storage
Storage Capacity256 GB- 128 GB
- 256 GB
- 512 GB
Storage TypeUFS 4.1UFS 3.1
Memory CardNoNo

Software

OS Android 15 Android 13 (Upgradeable to Android 15)
OS Size 23.9 GB 28 GB
UI Skin HyperOS 2.0 Nothing OS 2.5

Battery

Volume 5410 mAh 4700 mAh
Max Charging Power 90 W 45 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging Yes (80 W) Yes (15 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (72% in 30 min) Yes (62% in 30 min)
Full Charge Time 0:51 h 1:04 h
Battery Life Test
Battery Life
Xiaomi 15 Ultra
30:03
Nothing Phone (2)
23:16
Web Browsing12:19 h10:12 h
Video Playback18:43 h16:37 h
Games06:45 h06:07 h
Standby Mode141 h91 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 4.3x Digital
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (1080p) 240 fps (1080p)
Wide-angle lens 115 ° 114 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.63f/1.9
Focal length23 mm24 mm
SensorSony LYT-900Sony IMX890
Sensor size1/1.01/1.56
Pixel size1.6 μm1 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MPn/a
Aperturef/2.6n/a
Focal length100 mmn/a
SensorSamsung ISOCELL S5KHP9n/a
Sensor size1/1.4n/a
Pixel size0.56 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.2
Focal length14 mmn/a
SensorSamsung S5KJN5Samsung S5KJN1
Sensor size1/2.761/2.76
Pixel size0.64 μm0.64 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15 Ultra
158
Nothing Phone (2)
n/a
Video quality
Xiaomi 15 Ultra
134
Nothing Phone (2)
n/a
Overall camera score
Xiaomi 15 Ultra
153
Nothing Phone (2)
n/a
Bokeh80n/a
Preview89n/a
Sources: DxOMark [Xiaomi 15 Ultra], [Nothing Phone (2)]

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels 6528x4896 pixels
Aperture f/2.0 f/2.5
Focal length 22 mm n/a
Sensor Omnivision OV32B Sony IMX615
Sensor size 1/3.14 1/2.74
Pixel size 0.7 μm 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) 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 6 (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 5.3
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 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8n/a
3G BandsWCDMA 1/2/4/5/6/8/19n/a
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)n/a
LTE categoryn/a20
5G SupportYesYes

Sound

Speakers n/a Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No
Speaker Test
Max Volume
Xiaomi 15 Ultra
92.1 dB
Nothing Phone (2)
81.9 dB

Other

Class Flagship Flagship
Announced February, 2025 yr July, 2023 yr
Release Date February, 2025 yr July, 2023 yr
Launch Price ($) n/a 599
MSRP ($) 1099 n/a
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 No

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.

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

Results

After analyzing the data, we consider Xiaomi 15 Ultra the clear winner in this comparison.

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