Samsung Galaxy S25 Ultra vs Xiaomi 15

Comparing the Samsung Galaxy S25 Ultra vs Xiaomi 15 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 scores higher on the Geekbench Multi-Core test with 10,105, while Xiaomi 15 scores 9,252, making Samsung Galaxy S25 Ultra the better performer.

Display: Samsung Galaxy S25 Ultra offers a screen size of 6.9 inches, while Xiaomi 15 offers 6.36 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's LTPO OLED, 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 offers 50 MP, making Samsung Galaxy S25 Ultra better for rear camera photography.

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

Battery: Samsung Galaxy S25 Ultra delivers longer battery life with 13h 51m, while Xiaomi 15 delivers 13h 44m, making Samsung Galaxy S25 Ultra the better pick for all day usage.

Storage: Xiaomi 15 offers higher internal storage with 512 GB, while Samsung Galaxy S25 Ultra offers 256 GB, making Xiaomi 15 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 is rated 8.2.

User Rating: Samsung Galaxy S25 Ultra and Xiaomi 15 both receive the same user rating of 4.5.

Samsung Galaxy S25 Ultra

₹94,999

@ Amazon

Xiaomi 15

₹69,990

(Out of Stock)

Summary

Spec Score

96%

95%

87%

Release Date

22 Jan, 2025

19 Mar, 2025

06 Oct, 2026

Performance


Snapdragon 8 Elite	Snapdragon 8 Elite	Snapdragon 7 Gen 4
Octa Core (upto 4.47 GHz)	Octa Core (upto 4.32 GHz)	Octa Core (upto 2.8 GHz)
12 GB RAM	12 GB RAM	8 GB RAM

Display


6.9 inches (17.53 cm)	6.36 inches (16.15 cm)	6.59 inches (16.74 cm)
Dynamic AMOLED 2x	LTPO OLED	AMOLED
1440x3120 px (QHD+)	1200x2670 px (FHD+)	1260x2750 px (FHD+)
120 Hz Refresh Rate	120 Hz Refresh Rate	144 Hz Refresh Rate

Rear Camera


200 MP Wide Angle Primary Camera	50 MP Wide Angle Primary Camera	50 MP Primary Camera (upto 10x Optical Zoom)
50 MP Ultra-Wide Angle Camera	50 MP Ultra-Wide Angle Camera	8 MP Ultra-Wide Angle Camera
10 MP Telephoto Camera (upto 3x Optical Zoom)	50 MP Telephoto Camera (upto 60x Optical Zoom)	50 MP Telephoto Camera (upto 3x Optical Zoom)
50 MP Camera (upto 5x Optical Zoom)	N/A	N/A

Front Camera


12 MP Wide Angle Lens	32 MP Wide Angle Lens	50 MP

Battery


5000 mAh	5240 mAh	7200 mAh
45W Fast Charging	90W Hyper Charging	90W Flash Charging
Wireless Charging	Wireless Charging	N/A

Storage

256 GB	512 GB	128 GB
UFS 4.0	UFS 4.0	UFS 3.1

Expert Review

8.6/10

Read Expert Review

8.2/10

Read Expert Review

8.0/10

Read Expert Review

Pros

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

Compact and lightweight design
Excellent performance
Versatile Leica cameras
Solid battery life and fast charging

Premium, good looking design
Reliable battery life
Versatile cameras

Cons

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

Occasional contrast and exposure issues
Throttles under heavy load

Performance needs improvement
Low-light photography is weak

User Ratings

4.5/5

(7,491 ratings)

4.5/5

(551 ratings)

N/A

Benchmarks (The higher, the better)

2,209,231 AnTuTu Score	2,431,158 AnTuTu Score	1,356,175 AnTuTu Score
13h 51m Battery Life (PC Mark)	13h 44m Battery Life (PC Mark)	18h 36m Battery Life (PC Mark)

Compare Prices

₹94,999

@ Amazon

Not Available in any store

₹62,000

@ Vivo

Video

6 More Videos

1 More Video

There are no videos available for the device.

User Feedback

General

Launch Date

Jan 22, 2025

(Official)

Mar 19, 2025

(Official)

Oct 06, 2026

(Official)

Operating System

Android v15

Android v17

OS Updates

7 Years

4 Years

4 Year

Security Updates

7 Years

6 Years

6 Year

Custom UI

Samsung One UI

HyperOS

Origin OS

Performance

Performance Rating

Excellent

Very Good

Chipset

Qualcomm Snapdragon 8 Elite

View Details

Qualcomm Snapdragon 8 Elite SM8750

View Details

Qualcomm Snapdragon 7 Gen 4 SM7750-AB

View Details

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

Octa core

2.8 GHz, Single core, Cortex A720 2.4 GHz, Quad core, Cortex A720 1.84 GHz, Tri core, Cortex A520

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

3 nm

4 nm

Graphics (GPU)

Adreno 830

Adreno 722

RAM

12 GB

8 GB

RAM Type

LPDDR5X

LPDDR4X

Cooling Technology

Vapor Chamber

Hybrid Cooling System

N/A

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

2,431,158

1,356,175

Bootup Time (The lower, the better)

14.0 s

27.0 s

Gaming Test Results

Wild Life Extreme (The higher, the better) Wild Life Extreme is a classic mobile benchmark; it renders in 4K to test the peak performance of a wide range of devices.

N/A

1,832

Battery Drain* (The lower, the better)

5.0 %

6.0 %

N/A

Heating* (The lower, the better)

22.5 %

28.1 %

N/A

* after 30 mins of gaming

Display

Display Rating

Excellent

Display Type

Dynamic AMOLED 2x

LTPO OLED

AMOLED

Screen Size

6.9 inches (17.53 cm)

6.36 inches (16.15 cm)

6.59 inches (16.74 cm)

Resolution

1440x3120 px (QHD+)

1200x2670 px (FHD+)

1260x2750 px (FHD+)

Peak Brightness

2600 nits

3200 nits

5000 nits

HBM Brightness

N/A

1800 nits

PWM Dimming

N/A

1920 Hz

N/A

Refresh Rate

120 Hz

144 Hz

Touch Sampling Rate

N/A

300 Hz

N/A

Aspect Ratio

19.5:9

20:9

Pixel Density

498 ppi

460 ppi

459 ppi

Screen to Body Ratio (calculated)

92.31 %

90.06 %

90.85 %

Screen Protection

Corning Gorilla Glass Armor 2

Yes

Bezel-less Display

Yes with punch-hole display

HDR 10 / HDR+ Support

Yes HDR 10+

N/A

Design

Height

162.8 mm

152.3 mm

157.52 mm

Width

77.6 mm

71.2 mm

74.33 mm

Thickness

8.2 mm

8.08 mm

7.69 mm

Weight

218 grams

191 grams

203 grams

Build Material

Back: Corning Gorilla Glass Armor 2

N/A

Back: Glass

Water Resistance

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

Yes Water resistant IP68 IP69 (up to 30 minutes in a depth of 1.5 meter)

Ruggedness

Dust proof

Rear Camera

Rear Camera Rating

Best In Class

Excellent

Very Good

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 Camera10x Digital Zoomf/1.62 Wide Angle23 mm focal length 1/1.31" sensor size Light Fusion 900 1.2µm pixel size

50 MP
Primary Camera10x Optical Zoomf/1.8823 mm focal length S5KHP5

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

50 MP
f/2.2 Ultra-Wide Angle Camera14 mm focal length

8 MP
f/2.2 Ultra-Wide Angle Camera

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

50 MP
f/2.0 Telephoto Camera60 mm focal length

50 MP
f/2.65 Telephoto Camera

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

N/A

Autofocus

Yes Laser Autofocus Multi-directional Phase Detection Autofocus

Yes Laser Autofocus

Yes

OIS

Yes

Flash

Yes LED Flash

Yes Dual-color LED Flash

Image Resolution

16000 x 12500 Pixels

8150 x 6150 Pixels

N/A

Settings

Exposure compensation ISO control

N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

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

Film Camera
SuperMoon

Camera Features

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

10 x Digital Zoom
Auto Flash
Custom Watermark
Face detection
Filters
Touch to focus
Xiaomi ProFocus

10 x Optical Zoom

Video Recording

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

8k @30 fps
4k @60 fps
Full HD @960 fps
HD @1920 fps

4k @30/60 fps
Full HD @30 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 HDR
Video Pro Mode

N/A

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 0.7µm pixel size

50 MP
f/2.0 Primary Camera26 mm focal length

Autofocus

Yes Dual Pixel Phase Detection Autofocus

N/A

Yes

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

3840x2160 fps
1920x1080 fps

Battery

Battery Rating

Very Good

Excellent

Very Good

Capacity

5000 mAh

5240 mAh

7200 mAh

Battery Type

Li-ion

Silicon Carbon

Li-ion

Quick Charging

Yes 45W Fast Charging 65% in 30 minutes

Yes 90W Hyper Charging

Yes 90W Flash Charging

Wireless Charging

Yes 25W Wireless Charging

Yes 50W Wireless Charging

N/A

Reverse Charging

N/A

Yes

Wireless Reverse Charging

Yes 4.5W Wireless Reverse Charging

Yes 10W Wireless Reverse Charging

N/A

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

13h 44m

18h 36m

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

43m 54s

38m

1h 41s

Storage

Internal Storage

256 GB / 512 GB / 1 TB

512 GB

128 GB / 256 GB / 512 GB

Storage Type

UFS 4.0

UFS 3.1

Expandable Storage

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: eSIM

SIM1: Nano SIM2: Nano

SIM1: Nano SIM2: Nano/eSIM

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 / N75 / N77 / N78

5G Bands:

FDD N1 / N3 / N5 / N8 / N18 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78

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) / 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 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) / 3500(band 42) / 3700(band 43)
FD-LTE 1700(band 66) / 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 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 / N75 / N77 / N78

5G Bands:

FDD N1 / N3 / N5 / N8 / N18 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) / 3500(band 42) / 3700(band 43) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 850(band 26) / 1700(band 66)