Home Phone comparison Xiaomi 15 Ultra and Samsung Galaxy S26 Ultra - Which is better?

Xiaomi 15 Ultra vs Samsung Galaxy S26 Ultra

95 out 100
Xiaomi 15 Ultra
VS
95 out 100
Samsung Galaxy S26 Ultra
Xiaomi 15 Ultra
Samsung Galaxy S26 Ultra

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Samsung Galaxy S26 Ultra, Manufactured in March, 2026with chipsetQualcomm Snapdragon 8 Elite 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 15 Ultra
  • Higher pixel density: 522ppi
  • Higher battery capacity: 5410mAh vs 5000mAh
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy S26 Ultra
  • Larger display: 6.9in
  • Lighter design: 214g vs 226g

Versions

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

Review

Key Specs Xiaomi 15 Ultra and Samsung Galaxy S26 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
Galaxy S26 Ultra

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.73 in 6.9 in
Resolution 1440x3200 pixels 1440x3120 pixels
Aspect ratio 20:9 19.5:9
Pixel density 522 ppi 500 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness n/a 1500 nits
HDR support Yes Dolby Vision Yes, HDR10+
Touch Sampling Rate 300 Hz 240 Hz
Screen-to-body ratio 90 % 91.4 %
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
Samsung Galaxy S26 Ultra
2811 nits
sRGB gamut99.7 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 15 Ultra]

Design & Build

Design and ergonomics comparison
Height 161.3 mm (6.35 in) 163.6 mm (6.44 in)
Width 75.3 mm (2.96 in) 78.1 mm (3.07 in)
Thickness 9.35 mm (0.37 in) 7.9 mm (0.31 in)
Weight 226 g (7.97 oz) 214 g (7.55 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
- Silver
- Blue
- Pink
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 15 Ultra
90 %
Samsung Galaxy S26 Ultra
91.4 %

Performance

Testing Xiaomi 15 Ultra and Samsung Galaxy S26 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 4320 MHz 4740 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 840
GPU Cores 1536 1536
GPU Frequency 1100 MHz 1200 MHz
FLOPS 3379.2 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15 Ultra
3008
Samsung Galaxy S26 Ultra
3753
Geekbench 6 (Multi-Core)
Xiaomi 15 Ultra
9065
Samsung Galaxy S26 Ultra
11259
Geekbench 6 (Single-Core)30083753
Geekbench 6 (Multi-Core)906511259
Geekbench Compute (GPU)n/a28787
Sources: Geekbench v6 [Xiaomi 15 Ultra], [Samsung Galaxy S26 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi 15 Ultra
2544373
Samsung Galaxy S26 Ultra
3720219
CPU5585861094797
GPU10401611447696
Memory520300425113
UX425326752613
NanoReview Score25443733720219

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz n/a
Channels 2 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
OS Size 23.9 GB n/a
UI Skin HyperOS 2.0 One UI 8.5

Battery

Volume 5410 mAh 5000 mAh
Max Charging Power 90 W 60 W
Battery Type Silicon Carbon (Si/C) Li-ion
Removable No No
Wireless Charging Yes (80 W) Yes (25 W)
Reverse Charging Yes (Wireless) Yes, (Wireless)
Fast Charging Yes (72% in 30 min) Yes (84% in 30 min)
Full Charge Time 0:51 h 0:43 h
Battery Life Test
Battery Life
Xiaomi 15 Ultra
30:03
Samsung Galaxy S26 Ultra
28:50
Web Browsing12:19 h10:12 h
Video Playback18:43 h21:39 h
Games06:45 h06:42 h
Standby Mode141 h130 h

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels 16320x12240 pixels
Zoom Optical, 4.3x 141
Flash Dual LED 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 240 fps)
Slow Motion 1920 fps (1080p) 240 fps (1080p)
Wide-angle lens 115 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 200 MP
Telephoto: 50 MP
Telephoto: 10 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP200 MP
Aperturef/1.63f/1.4
Focal length23 mm23 mm
SensorSony LYT-900Samsung ISOCELL S5KHP2
Sensor size1/1.01/1.3 (0.77)
Pixel size1.6 μm0.6 μm
AutofocusLaser autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MP50 MP
Aperturef/2.6f/2.9
Focal length100 mm111 mm
SensorSamsung ISOCELL S5KHP9Sony IMX854
Sensor size1/1.41/2.52 (0.4)
Pixel size0.56 μm0.7 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/1.9
Focal length14 mm13 mm
SensorSamsung S5KJN5Samsung ISOCELL S5KJN3
Sensor size1/2.761/2.5 (0.4)
Pixel size0.64 μm0.7 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15 Ultra
158
Samsung Galaxy S26 Ultra
160
Video quality
Xiaomi 15 Ultra
134
Samsung Galaxy S26 Ultra
153
Overall camera score
Xiaomi 15 Ultra
153
Samsung Galaxy S26 Ultra
157
Bokeh80165
Preview89n/a
Sources: DxOMark [Xiaomi 15 Ultra], [Samsung Galaxy S26 Ultra]

Front camera

Matrix 32 MP 12 MP
Photo resolution 6528x4896 pixels 4000x3000 pixels
Aperture f/2.0 f/2.2
Focal length 22 mm 23 mm
Sensor Omnivision OV32B Samsung ISOCELL S5K3LU
Sensor size 1/3.14 1/3.2 (0.31)
Pixel size 0.7 μm 1.12 μm
Autofocus No Phase autofocus (Dual Pixel)
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 6.0
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
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*21
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA 1/2/4/5/6/8/19UMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)
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/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B38/B39/B40/B41/B48/B66/B71)
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 15 Ultra
92.1 dB
Samsung Galaxy S26 Ultra
n/a

Other

Class Flagship Flagship
Announced February, 2025 yr February, 2026 yr
Release Date February, 2025 yr March, 2026 yr
MSRP ($) 1099 1299
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Barometer
- 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

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