Xiaomi Mi 9S vs Nothing Phone 4b

Comparing the Xiaomi Mi 9S vs Nothing Phone 4b across performance, display, camera, battery and storage to help determine the better smartphone.

Here is the summary of the results:

Performance: Xiaomi Mi 9S runs at a higher processing speed of 2.96 GHz, while Nothing Phone 4b runs at 2.3 GHz, making Xiaomi Mi 9S the better performer.

Display: Nothing Phone 4b offers a screen size of 6.77 inches, while Xiaomi Mi 9S offers 6.39 inches, making Nothing Phone 4b the larger display of the two. Both Xiaomi Mi 9S and Nothing Phone 4b feature the same Super AMOLED display.

Rear Camera: Nothing Phone 4b offers a higher rear camera resolution with 50 MP, while Xiaomi Mi 9S offers 48 MP, making Nothing Phone 4b better for rear camera photography.

Front Camera: Xiaomi Mi 9S offers a higher front camera resolution with 20 MP, while Nothing Phone 4b offers 16 MP, making Xiaomi Mi 9S better for front camera photography.

Battery: Nothing Phone 4b offers a higher battery capacity with 6000 mAh, while Xiaomi Mi 9S offers 4000 mAh, making Nothing Phone 4b better for longer battery life.

Storage: Both Xiaomi Mi 9S and Nothing Phone 4b offer the same internal storage of 128 GB.

Xiaomi Mi 9S

₹34,490

(Not Released in India)

Nothing Phone 4b

₹34,099

@ Amazon

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Show Only Differences

Summary

Spec Score

N/A

83%

Release Date

06 Sep, 2020

14 Jul, 2026

Performance

N/A
Snapdragon 855 Plus	Snapdragon 6 Gen 4
Octa Core (upto 2.96 GHz)	Octa Core (upto 2.3 GHz)
6 GB RAM	8 GB RAM

Display

N/A
6.39 inches (16.23 cm)	6.77 inches (17.2 cm)
Super AMOLED	Super AMOLED
1080x2280 px (FHD+)	1080x2344 px (FHD+)
N/A	120 Hz Refresh Rate

Rear Camera

N/A
48 MP Primary Camera	50 MP Primary Camera
12 MP Telephoto Camera	8 MP Ultra-Wide Angle Camera
16 MP Ultra-Wide Angle Camera	N/A

Front Camera

N/A
20 MP	16 MP

Battery

N/A
4000 mAh	6000 mAh
Fast Charging	33W Fast Charging
Wireless Charging	N/A

Storage

128 GB	128 GB
N/A	UFS 2.2

Compare Prices

Not Available in any store	₹34,099 @ Amazon
	₹34,999 @ Flipkart

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General

Launch Date

N/A	Jul 07, 2026 (Official)

Operating System

Android v9.0 (Pie)

Android v16

OS Updates

N/A

3 Year

Security Updates

N/A

6 Year

Custom UI

MIUI	Nothing OS

Performance

Performance Rating

N/A

Very Good

Chipset

Qualcomm Snapdragon 855 Plus

Qualcomm Snapdragon 6 Gen 4 SM6650

Processor

Octa core

2.96 GHz, Single core, Kryo 485 2.42 GHz, Tri core, Kryo 485 1.8 GHz, Quad core, Kryo 485

Octa core

2.3 GHz, Single core, Cortex A720 2.2 GHz, Tri core, Cortex A720 1.8 GHz, Quad core, Cortex A520

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

N/A

4 nm

Graphics (GPU)

Adreno 640

Adreno 810

RAM

6 GB

8 GB

RAM Type

LPDDR4X

Display

Display Rating

N/A

Excellent

Display Type

Super AMOLED

Screen Size

6.39 inches (16.23 cm)

6.77 inches (17.2 cm)

Resolution

1080x2280 px (FHD+)

1080x2344 px (FHD+)

Peak Brightness

N/A

2000 nits

HBM Brightness

N/A

1200 nits

Refresh Rate

N/A

120 Hz

Aspect Ratio

N/A

20:9

Pixel Density

395 ppi

381 ppi

Screen to Body Ratio (calculated)

86.48 %

87.32 %

Screen Protection

Corning Gorilla Glass v6

Yes

Bezel-less Display

Yes	Yes with punch-hole display

Design

Height

157.2 mm

164.4 mm

Width

74.6 mm

78.2 mm

Thickness

8.9 mm

8.6 mm

Weight

196 grams

210 grams

Water Resistance

N/A	Yes Water resistant IP64 (up to 20 minutes in a depth of 0.25 meter)

Ruggedness

N/A	Dust proof

Rear Camera

Rear Camera Rating

N/A

Very Good

Resolution

48 MP
Primary Cameraf/1.751/2" sensor size IMX586 Exmor-RS CMOS Sensor 0.8µm pixel size

50 MP
Primary Cameraf/1.81/2.76" sensor size

12 MP
f/2.2 Telephoto Camera1/3.6" sensor size 1µm pixel size

8 MP
f/2.2 Ultra-Wide Angle Camera1/4.0" sensor size

16 MP
f/2.2 Ultra-Wide Angle Camera1/3" sensor size 1µm pixel size

N/A

Autofocus

Yes Phase Detection Autofocus Continuous Autofocus Laser Autofocus

Yes

OIS

Yes

Flash

Yes LED Flash

Yes

Image Resolution

8000 x 6000 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

N/A

Video Recording

N/A	4k @30 fps Full HD @30/60 fps

Video Recording Features

N/A	Dual Video Recording Slow Motion

Front Camera

Front Camera Rating

N/A

Very Good

Resolution

20 MP
f/2.0 Primary Camera0.9µm pixel size

16 MP
f/2.4 Primary Camera

Flash

N/A	Yes Screen flash

Battery

Battery Rating

N/A

Very Good

Capacity

4000 mAh

6000 mAh

Battery Type

Li-ion

N/A

Quick Charging

Yes Fast Charging

Yes 33W Fast Charging 50% in 80 minutes

Wireless Charging

Yes

N/A

Storage

Internal Storage

128 GB

128 GB / 256 GB

Storage Type

N/A

UFS 2.2

Expandable Storage

N/A

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: Nano

Network Support

5G 4G

VoLTE

Yes

SIM 1

4G Bands:

TD-LTE 2300(band 40)
FD-LTE 1800(band 3)

5G Bands:

FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N41 / N77 / N78

N/A	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)

SIM 2

4G Bands:

TD-LTE 2300(band 40)
FD-LTE 1800(band 3)

5G Bands:

FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N41 / N77 / N78

N/A	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)

Wi-Fi

Yes Wi-Fi 5 (802.11 b/g/n/ac) 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 v5.0

Yes v6.0

GPS

Yes with A-GPS Glonass

Yes with Glonass

NFC

Yes

Multimedia

Stereo Speakers

N/A

Yes

Audio Jack

3.5 mm, USB Type-C

USB Type-C

Sensors

Fingerprint Sensor

Yes

Fingerprint Sensor Position

On-screen

Fingerprint Sensor Type

N/A

Optical

Other Sensors

Light sensor Proximity sensor Accelerometer Compass Gyroscope

Compare Prices

Not Available in any store	₹34,099 @ Amazon
	₹34,999 @ Flipkart