Samsung Galaxy S25 Ultra vs Xiaomi 15 Ultra

Comparing the Samsung Galaxy S25 Ultra vs Xiaomi 15 Ultra across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Samsung Galaxy S25 Ultra runs at a higher processing speed of 4.47 GHz, while Xiaomi 15 Ultra runs at 4.32 GHz, making Samsung Galaxy S25 Ultra the better performer.

Display: Samsung Galaxy S25 Ultra offers a screen size of 6.9 inches, while Xiaomi 15 Ultra offers 6.73 inches, making Samsung Galaxy S25 Ultra the larger display of the two. Samsung Galaxy S25 Ultra features a Dynamic AMOLED 2x display compared to Xiaomi 15 Ultra's LTPO AMOLED, making Samsung Galaxy S25 Ultra the better display of the two.

Rear Camera: Samsung Galaxy S25 Ultra offers a higher rear camera resolution with 200 MP, while Xiaomi 15 Ultra offers 50 MP, making Samsung Galaxy S25 Ultra better for rear camera photography.

Front Camera: Xiaomi 15 Ultra offers a higher front camera resolution with 32 MP, while Samsung Galaxy S25 Ultra offers 12 MP, making Xiaomi 15 Ultra better for front camera photography.

Battery: Samsung Galaxy S25 Ultra delivers longer battery life with 13h 51m, while Xiaomi 15 Ultra delivers 12h 07m, making Samsung Galaxy S25 Ultra the better pick for all day usage.

Storage: Xiaomi 15 Ultra offers higher internal storage with 512 GB, while Samsung Galaxy S25 Ultra offers 256 GB, making Xiaomi 15 Ultra the better option for storage.

Expert Review: Samsung Galaxy S25 Ultra receives a higher expert rating of 8.6 from the editorial team, while Xiaomi 15 Ultra is rated 8.5.

User Rating: Samsung Galaxy S25 Ultra receives a higher user rating of 4.6, while Xiaomi 15 Ultra has a rating of 4.4.

Samsung Galaxy S25 Ultra

₹89,999

@ Amazon

Xiaomi 15 Ultra

₹89,990

(Out of Stock)

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Summary

Spec Score

97%

96%

Release Date

22 Jan, 2025

19 Mar, 2025

Performance


Snapdragon 8 Elite	Snapdragon 8 Elite
Octa Core (upto 4.47 GHz)	Octa Core (upto 4.32 GHz)
12 GB RAM	16 GB RAM

Display


6.9 inches (17.53 cm)	6.73 inches (17.09 cm)
Dynamic AMOLED 2x	LTPO AMOLED
1440x3120 px (QHD+)	1440x3200 px (QHD+)
120 Hz Refresh Rate	120 Hz Refresh Rate

Rear Camera


200 MP Wide Angle Primary Camera	50 MP Wide Angle Primary Camera
50 MP Ultra-Wide Angle Camera	50 MP Ultra-Wide Angle Camera
10 MP Telephoto Camera (upto 3x Optical Zoom)	50 MP Telephoto Camera (upto 3x Optical Zoom)
50 MP Camera (upto 5x Optical Zoom)	200 MP Camera (upto 4.3x Optical Zoom)

Front Camera


12 MP Wide Angle Lens	32 MP Wide Angle Lens

Battery


5000 mAh	5410 mAh
45W Fast Charging	90W Hyper Charging
Wireless Charging	Wireless Charging

Storage

256 GB	512 GB
UFS 4.0	UFS 4.1

Expert Review

8.6/10

Read Expert Review

8.5/10

Read Expert Review

Pros

Excellent display
Solid performance & battery life
AI & software features
Lighter than before

Brilliant display
Reliable Leica cameras
Solid battery
Smooth performance

Cons

S Pen misses out on Air Actions
Pricey
Incremental upgrade over predecessor

Limited productivity AI features
Only one colour option

User Ratings

4.6/5

(4,179 ratings)

4.4/5

(94 ratings)

Benchmarks (The higher, the better)

2,209,231 AnTuTu Score	2,407,499 AnTuTu Score
13h 51m Battery Life (PC Mark)	12h 07m Battery Life (PC Mark)

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₹89,999

@ Amazon

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1 Video

User Feedback

General

Launch Date

Jan 22, 2025

(Official)

Mar 19, 2025

(Official)

Operating System

Android v15

OS Updates

7 Years

4 Years

Security Updates

7 Years

6 Years

Custom UI

Samsung One UI

HyperOS

Performance

Performance Rating

Best In Class

Chipset

Qualcomm Snapdragon 8 Elite

Processor

Octa core

4.47 GHz, Dual core, Oryon 3.5 GHz, Hexa Core, Oryon

Octa core

4.32 GHz, Dual core, Oryon 3.53 GHz, Hexa Core, Oryon

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

3 nm

Graphics (GPU)

Adreno 830

RAM

12 GB

16 GB

RAM Type

LPDDR5X

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

2,209,231

2,407,499

Bootup Time (The lower, the better)

14.0 s

13.0 s

Gaming Test Results

Battery Drain* (The lower, the better)

5.0 %

8.0 %

Heating* (The lower, the better)

22.5 %

23.4 %

* after 30 mins of gaming

Display

Display Rating

Best In Class

Display Type

Dynamic AMOLED 2x

LTPO AMOLED (Curved Display)

Screen Size

6.9 inches (17.53 cm)

6.73 inches (17.09 cm)

Resolution

1440x3120 px (QHD+)

1440x3200 px (QHD+)

Peak Brightness

2600 nits

3200 nits

Refresh Rate

120 Hz

Aspect Ratio

19.5:9

20:9

Pixel Density

498 ppi

521 ppi

Screen to Body Ratio (calculated)

92.31 %

90.03 %

Screen Protection

Corning Gorilla Glass Glass Armor 2

Yes

Bezel-less Display

Yes with punch-hole display

HDR 10 / HDR+ Support

Yes HDR 10+

Design

Height

162.8 mm

161.3 mm

Width

77.6 mm

75.3 mm

Thickness

8.2 mm

9.48 mm

Weight

218 grams

229 grams

Build Material

Back: Corning Gorilla Glass Armor 2

N/A

Water Resistance

Yes Water resistant IP68 (up to 30 minutes in a depth of 1.5 meter)

Ruggedness

Dust proof

Rear Camera

Rear Camera Rating

Best In Class

Resolution

200 MP
Primary Camera10x Digital Zoomf/1.7 Wide Angle 85° field-of-view24 mm focal length 1/1.3" sensor size S5KHP2 ISO-CELL 0.6µm pixel size

50 MP
Primary Cameraf/1.63 Wide Angle23 mm focal length 1/1" sensor size LYT 900 1.6µm pixel size

50 MP
f/1.9 Ultra-Wide Angle Camera0.7µm pixel size

50 MP
f/2.2 Ultra-Wide Angle Camera14 mm focal length 1/2.76" sensor size 0.64µm pixel size

10 MP
f/2.4 Telephoto Camera67 mm focal length 1/3.52" sensor size 1.12µm pixel size

50 MP
f/1.8 Telephoto Camera70 mm focal length 1/2.51" sensor size 0.7µm pixel size

50 MP
f/3.4111 mm focal length 1/2.52" sensor size 0.7µm pixel size

200 MP
f/2.6100 mm focal length 1/1.4" sensor size 0.56µm pixel size

Autofocus

Yes Laser Autofocus Multi-directional Phase Detection Autofocus

Yes

OIS

Yes

Flash

Yes LED Flash

Yes Dual LED Flash

Image Resolution

16000 x 12500 Pixels

8150 x 6150 Pixels

Settings

Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)
Burst mode
SuperMoon

Camera Features

10 x Digital Zoom
Auto Flash
Face detection
Filters
Touch to focus

Digital Zoom
Auto Flash
Custom Watermark
Filters
Touch to focus
Xiaomi ProFocus

Video Recording

8k @30 fps
4k @120 fps
Full HD @240 fps

8k @30 fps
4k @120 fps
Full HD @1920 fps
HD @1920 fps

Video Recording Features

Dual Video Recording
Slow Motion
Video HDR
Bokeh portrait video
Video Pro Mode
Stereo recording

Dual Video Recording
Slow Motion
Video Pro Mode

Front Camera

Front Camera Rating

Excellent

Resolution

12 MP
f/2.2 Wide Angle Primary Camera26 mm focal length 1/3.2" sensor size 1.12µm pixel size

32 MP
f/2.0 Wide Angle Primary Camera21 mm focal length 1/3.14" sensor size 0.7µm pixel size

Autofocus

Yes Dual Pixel Phase Detection Autofocus

N/A

Flash

N/A	Yes Screen flash

Video Recording

4k @60 fps
Full HD @30 fps

4k @60 fps
Full HD @60 fps
HD @30 fps

Compare Camera Samples

Battery

Battery Rating

Excellent

Capacity

5000 mAh

5410 mAh

Battery Type

Li-ion

Silicon Carbon

Quick Charging

Yes 45W Fast Charging 65% in 30 minutes

Yes 90W Hyper Charging

Wireless Charging

Yes 25W Wireless Charging

Yes 80W Wireless Charging

Wireless Reverse Charging

Yes 4.5W Wireless Reverse Charging

Yes 10W Wireless Reverse Charging

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

13h 51m

12h 07m

Charging Time (20% to 100%) (The lower, the better)

0h 43m 54s

0h 47m 0s

Storage

Internal Storage

256 GB / 512 GB / 1 TB

512 GB

Storage Type

UFS 4.0

UFS 4.1

Expandable Storage

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: eSIM

SIM1: Nano SIM2: Nano

Network Support

5G 4G

VoLTE

Yes

SIM 1

5G Bands:

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78

5G Bands:

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28
TDD N38 / N40 / N41 / N48 / N66 / N71 / N75 / N77 / N78 / N79

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) / 3500(band 42)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)

SIM 2

5G Bands:

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78

5G Bands:

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28
TDD N38 / N40 / N41 / N48 / N66 / N71 / N75 / N77 / N78 / N79

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) / 3500(band 42)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)