Xiaomi Mi 11 Ultra vs Samsung Galaxy S21 Ultra

Comparing the Xiaomi Mi 11 Ultra vs Samsung Galaxy S21 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 S21 Ultra scores higher on the Geekbench Multi-Core test with 3,536, while Xiaomi Mi 11 Ultra scores 2,799, making Samsung Galaxy S21 Ultra the better performer.

Display: Xiaomi Mi 11 Ultra offers a screen size of 6.81 inches, while Samsung Galaxy S21 Ultra offers 6.8 inches, making Xiaomi Mi 11 Ultra the larger display of the two. Samsung Galaxy S21 Ultra features a Dynamic AMOLED 2x display compared to Xiaomi Mi 11 Ultra's AMOLED, making Samsung Galaxy S21 Ultra the better display of the two.

Rear Camera: Samsung Galaxy S21 Ultra offers a higher rear camera resolution with 108 MP, while Xiaomi Mi 11 Ultra offers 50 MP, making Samsung Galaxy S21 Ultra better for rear camera photography.

Front Camera: Samsung Galaxy S21 Ultra offers a higher front camera resolution with 40 MP, while Xiaomi Mi 11 Ultra offers 20 MP, making Samsung Galaxy S21 Ultra better for front camera photography.

Battery: Xiaomi Mi 11 Ultra delivers longer battery life with 12h 43m, while Samsung Galaxy S21 Ultra delivers 10h 37m, making Xiaomi Mi 11 Ultra the better pick for all day usage.

Storage: Both Xiaomi Mi 11 Ultra and Samsung Galaxy S21 Ultra offer the same internal storage of 256 GB.

Expert Review: The editorial team rates both Xiaomi Mi 11 Ultra and Samsung Galaxy S21 Ultra equally at 8.

User Rating: Xiaomi Mi 11 Ultra receives a higher user rating of 4.3, while Samsung Galaxy S21 Ultra has a rating of 4.2.

Xiaomi Mi 11 Ultra

₹69,999

(Out of Stock)

Samsung Galaxy S21 Ultra

₹128,999

(Out of Stock)

Summary

Release Date

29 Apr, 2021

27 Jan, 2021

04 Aug, 2026

Performance


Snapdragon 888	Samsung Exynos 2100	Snapdragon 8 Elite Gen 5 for Galaxy
Octa Core (upto 2.84 GHz)	Octa Core (upto 2.9 GHz)	Octa Core (upto 4.74 GHz)
12 GB RAM	12 GB RAM	12 GB RAM

Main Display


6.81 inches (17.3 cm)	6.8 inches (17.27 cm)	8 inches (20.32 cm)
AMOLED	Dynamic AMOLED 2x	Dynamic AMOLED 2x
1440x3200 px (QHD+)	1440x3200 px (QHD+)	2256x2504 px
120 Hz Refresh Rate	120 Hz Refresh Rate	120 Hz Refresh Rate

Cover Display

1.1 inches (2.79 cm)	N/A	6.49 inches (16.48 cm)
126x294 px	N/A	1080x2520 px (FHD)

Rear Camera


50 MP Wide Angle Primary Camera	108 MP Wide Angle Primary Camera	200 MP Wide Angle Primary Camera (upto 3x Optical Zoom)
48 MP Ultra-Wide Angle Camera	12 MP Ultra-Wide Angle Camera	50 MP Ultra-Wide Angle Camera
48 MP Telephoto Camera (upto 5x Optical Zoom)	10 MP Telephoto Camera (upto 3x Optical Zoom)	10 MP Telephoto Camera (upto 3x Optical Zoom)
N/A	10 MP Camera (upto 10x Optical Zoom)	N/A

Front Camera


20 MP Wide Angle Lens	40 MP Wide Angle Lens	10 MP

Battery


5000 mAh	5000 mAh	5000 mAh
67W Fast Charging	25W Fast Charging	45W
Wireless Charging	Wireless Charging	N/A

Storage

256 GB	256 GB	256 GB
UFS 3.1	UFS 3.1	N/A

Expert Review

8.0/10

Read Expert Review

8.0/10

Read Expert Review

N/A

Pros

Gorgeous display
Excellent cameras
Smooth performer
Surreal audio experience

Flagship-grade performance
Great cameras
Stunning display
Long-lasting battery life

Device yet to be reviewed

Cons

Pricey
Camera bump is ginormous
Bulky
Telephoto lens could do with some tweaks

Uneven weight distribution
No expandable storage
Purple-sky effect in lowlight scenarios

Device yet to be reviewed

User Ratings

4.3/5

(419 ratings)

4.2/5

(1,169 ratings)

N/A

Benchmarks (The higher, the better)

688,824 AnTuTu Score	646,482 AnTuTu Score	N/A
12h 43m Battery Life (PC Mark)	10h 37m Battery Life (PC Mark)	N/A

Compare Prices

Not Available in any store

₹199,999

@ Samsung Shop

Video

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6 More Videos

There are no videos available for the device.

User Feedback

General

Launch Date

Apr 29, 2021

(Official)

Jan 27, 2021

(Official)

Jul 22, 2026

(Official)

Operating System

Android v11

Android

Security Updates

N/A

9 Year

Custom UI

MIUI

Samsung One UI

N/A

Performance

Performance Rating

Very Good

Best In Class

Chipset

Qualcomm Snapdragon 888

Samsung Exynos 2100

Qualcomm Snapdragon 8 Elite Gen 5 SM8850-AC

Processor

Octa core

2.84 GHz, Single core, Kryo 680 2.42 GHz, Tri core, Kryo 680 1.8 GHz, Quad core, Kryo 680

Octa core

2.9 GHz, Single core, Cortex X1 2.8 GHz, Tri core, Cortex A78 2.2 GHz, Quad core, Cortex A55

Octa core

4.74 GHz, Dual core, Oryon 3.6 GHz, Hexa Core, Oryon

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

5 nm

3 nm

Graphics (GPU)

Adreno 660

Mali-G78 MP14

Adreno 840

RAM

12 GB

12 GB / 16 GB

RAM Type

LPDDR5

LPDDR5X Ultra

Performance Test Results

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

688,824

646,482

N/A

Bootup Time (The lower, the better)

15.0 s

34.0 s

N/A

Gaming Test Results

Battery Drain* (The lower, the better)

3.0 %

8.0 %

N/A

Heating* (The lower, the better)

14.7 %

23.5 %

N/A

* after 30 mins of gaming

Display

Display Rating

Best In Class

Excellent

Best In Class

Display Type

AMOLED (Curved Display)

Dynamic AMOLED 2x

Screen Size

6.81 inches (17.3 cm)

6.8 inches (17.27 cm)

8 inches (20.32 cm)

Resolution

1440x3200 px (QHD+)

2256x2504 px

Brightness

1700 nits

1500 nits

N/A

Peak Brightness

N/A

3000 nits

Refresh Rate

120 Hz

Aspect Ratio

20:9

N/A

Pixel Density

515 ppi

516 ppi

422 ppi

Screen to Body Ratio (calculated)

91.35 %

89.44 %

178.04 %

Screen Protection

Corning Gorilla Glass Glass Victus

Yes

Bezel-less Display

Yes with punch-hole display

HDR 10 / HDR+ Support

Yes HDR 10+

N/A

Screen to Body Ratio (claimed by the brand)

N/A

90.1 %

Design

Height

164.3 mm

165.1 mm

158.4 mm

Width

74.6 mm

75.6 mm

72.8 mm

Thickness

8.3 mm

8.9 mm

Weight

234 grams

227 grams

215 grams

Build Material

Back: Ceramic

Back: Gorilla Glass

N/A

Form Factor

N/A

Foldable Touch

Dimensions

N/A

Folded: 158.4 x 72.8 x 8.9 mm
Unfolded: 158.4 x 143.2 x 4.1 mm

Water Resistance

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

N/A

Ruggedness

Dust proof

N/A

Rear Camera

Rear Camera Rating

Excellent

Best In Class

Resolution

50 MP
Primary Cameraf/1.95 Wide Angle24 mm focal length 1/1.12" sensor size S5KGN2 ISOCELL Plus 1.4µm pixel size

108 MP
Primary Cameraf/1.8 Wide Angle26 mm focal length 1/1.33" sensor size S5KHM3 ISOCELL Plus 0.8µm pixel size

200 MP
Primary Camera30x Digital Zoom 3x Optical Zoomf/1.7 Wide Angle 85° field-of-view0.6µm pixel size

48 MP
f/2.2 Ultra-Wide Angle Camera12 mm focal length 1/0.8" sensor size 2.0µm pixel size

12 MP
f/2.2 Ultra-Wide Angle Camera13 mm focal length 1/2.55" sensor size 1.4µm pixel size

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

48 MP
f/4.1 Telephoto Camera120 mm focal length 1/2" sensor size 0.8µm pixel size

10 MP
Telephoto Camera72 mm focal length 1/3.24" sensor size 1.22µm pixel size

10 MP
f/2.4 Telephoto Camera

N/A

10 MP
f/4.91/3.24" sensor size 1.22µm pixel size

N/A

Autofocus

Yes

Yes Phase Detection Autofocus Laser Autofocus

Yes Quad Phase Detection Autofocus

OIS

Yes

Flash

Yes Dual-color LED Flash

Yes LED Flash

Yes

Image Resolution

8150 x 6150 Pixels

12000 x 9000 Pixels

N/A

Settings

Exposure compensation ISO control

N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

N/A

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus

30 x Digital Zoom
3 x Optical Zoom

Video Recording

8k @24 fps
4k @30 fps
Full HD @60 fps
HD @120 fps

8k @24 fps
4k @30 fps
Full HD @60 fps
HD @960 fps

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

Video Recording Features

N/A

Slow Motion
Video HDR
Bokeh portrait video
Video Pro Mode

N/A

Front Camera

Front Camera Rating

Very Good

Excellent

Resolution

20 MP
f/2.2 Wide Angle Primary Camera27 mm focal length 1/3.4" sensor size 0.8µm pixel size

40 MP
f/2.2 Wide Angle Primary Camera26 mm focal length 1/2.8" sensor size 0.7µm pixel size

10 MP
f/2.2 Primary Camera1.12µm pixel size

Autofocus

N/A

Yes Phase Detection Autofocus

Video Recording

Full HD @30 fps
HD @30 fps

4k @30 fps
Full HD @30 fps

N/A

Battery

Battery Rating

Very Good

Capacity

5000 mAh

Battery Type

Li-ion

N/A

TalkTime

N/A

Up to 41 Hours(4G)

N/A

Quick Charging

Yes 67W Fast Charging 100% in 36 minutes

Yes 25W Fast Charging

Yes 45W

Wireless Charging

Yes Charging Time: 39 minutes

Yes

N/A

Wireless Reverse Charging

Yes

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.

12h 43m

10h 37m

N/A

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

0h 52m 11s

0h 55m 14s

N/A

Storage

Internal Storage

256 GB

256 GB / 512 GB

256 GB / 512 GB / 1 TB

Storage Type

UFS 3.1

N/A

Expandable Storage

N/A

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: Nano

SIM1: Nano SIM2: Nano/eSIM

Network Support

5G 4G

VoLTE

Yes

SIM 1

5G Bands:

FDD N1 / N3 / N5 / N7 / N8 / N20 / N28
TDD N38 / N40 / N41 / N77 / N78 / N79

5G Bands:

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

5G Bands:

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

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 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 17) / 800(band 20)

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)
FD-LTE 1700(band 66) / 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 7009(band 12) / 700(band 13) / 700(band 17) / 800(band 20) / 1900(band 25) / 850(band 26)

SIM 2

4G Bands:

5G Bands:

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

N/A

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 12) / 700(band 13) / 700(band 17) / 800(band 20) / 1900(band 25) / 850(band 26) / 1700(band 66)

SAR Value

Head: 0.831 W/kg Body: 0.401 W/kg

Head: 0.77 W/kg Body: 1.02 W/kg

N/A

Wi-Fi

Yes Wi-Fi 5 (802.11 a/b/g/n/ac)

Yes Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz MIMO

Yes Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) MIMO

Wi-Fi Features

Mobile Hotspot

Wi-Fi Direct Mobile Hotspot

Bluetooth

Yes v5.2

Yes v6.0

GPS

Yes with A-GPS Glonass

Yes with Glonass

NFC

Yes

Multimedia

Stereo Speakers

N/A

Yes

Audio Jack

USB Type-C

Sensors

Fingerprint Sensor

Yes

Fingerprint Sensor Position

On-screen

N/A

Fingerprint Sensor Type

Optical

Ultrasonic

N/A

Other Sensors

Light sensor Proximity sensor Accelerometer Barometer Compass Gyroscope

Compare Prices

Not Available in any store

₹199,999

@ Samsung Shop