Xiaomi 15T vs Nothing Phone 4b

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Comparing the Xiaomi 15T 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 15T runs at a higher processing speed of 3.25 GHz, while Nothing Phone 4b runs at 2.3 GHz, making Xiaomi 15T the better performer.


Display: Xiaomi 15T offers a screen size of 6.83 inches, while Nothing Phone 4b offers 6.77 inches, making Xiaomi 15T the larger display of the two. Nothing Phone 4b features a Super AMOLED display compared to Xiaomi 15T's AMOLED, making Nothing Phone 4b the better display of the two.


Rear Camera: Both Xiaomi 15T and Nothing Phone 4b feature a 50 MP primary rear camera.


Front Camera: Xiaomi 15T offers a higher front camera resolution with 32 MP, while Nothing Phone 4b offers 16 MP, making Xiaomi 15T better for front camera photography.


Battery: Nothing Phone 4b offers a higher battery capacity with 6000 mAh, while Xiaomi 15T offers 5500 mAh, making Nothing Phone 4b better for longer battery life.


Storage: Xiaomi 15T offers higher internal storage with 256 GB, while Nothing Phone 4b offers 128 GB, making Xiaomi 15T the better option for storage.

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Xiaomi 15T
(Not Released in India)
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Summary

Spec Score

90%
83%

Release Date

N/A
14 Jul, 2026

Performance

MediaTek Dimensity 8400 Ultra
Snapdragon 6 Gen 4
Octa Core (upto 3.25 GHz)
Octa Core (upto 2.3 GHz)
12 GB RAM
8 GB RAM

Display

6.83 inches (17.35 cm)
6.77 inches (17.2 cm)
AMOLED
Super AMOLED
1280x2772 px (FHD+)
1080x2344 px (FHD+)
120 Hz Refresh Rate
120 Hz Refresh Rate

Rear Camera

50 MP
Wide Angle Primary Camera
50 MP
Primary Camera
12 MP
Ultra-Wide Angle Camera
8 MP
Ultra-Wide Angle Camera
50 MP
Telephoto Camera (upto 2x Optical Zoom)
N/A

Front Camera

32 MP
Wide Angle Lens
16 MP

Battery

5500 mAh
6000 mAh
67W Hyper Charging
33W Fast Charging
No Wireless Charging
N/A

Storage

256 GB
128 GB
UFS 4.1
UFS 2.2

Compare Prices

Not Available in any store
₹34,099
₹34,999

User Feedback

General

Launch Date

N/A
Jul 07, 2026
(Official)

Operating System

Android v15
Android v16

OS Updates

N/A
3 Year

Security Updates

N/A
6 Year

Custom UI

HyperOS
Nothing OS

Performance

Performance Rating

Excellent
Very Good

Chipset

MediaTek Dimensity 8400 Ultra
Qualcomm Snapdragon 6 Gen 4 SM6650

Processor

Octa core

3.25 GHz, Single core, Cortex A725 3 GHz, Tri core, Cortex A725 2.1 GHz, Quad core, Cortex A725
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
64 bit

Fabrication (The lower, the better)

4 nm
4 nm

Graphics (GPU)

Mali-G720 MC7
Adreno 810

RAM

12 GB
8 GB

RAM Type

LPDDR5X
LPDDR4X

Display

Display Rating

Excellent
Excellent

Display Type

AMOLED
Super AMOLED

Screen Size

6.83 inches  (17.35 cm)
6.77 inches  (17.2 cm)

Resolution

1280x2772 px (FHD+)
1080x2344 px (FHD+)

Peak Brightness

3200 nits
2000 nits

HBM Brightness

N/A
1200 nits

Refresh Rate

120 Hz
120 Hz

Aspect Ratio

19.5:9
20:9

Pixel Density

447 ppi
381 ppi

Screen to Body Ratio (calculated)

89.76 %
87.32 %

Screen Protection

Corning Gorilla Glass Glass 7i
Yes

Bezel-less Display

Yes with punch-hole display
Yes with punch-hole display

HDR 10 / HDR+ Support

Yes HDR 10+
N/A

Design

Height

163.2 mm
164.4 mm

Width

78 mm
78.2 mm

Thickness

7.50 mm
8.6 mm

Weight

194 grams
210 grams

Build Material

Back: Glass Fiber
N/A

Water Resistance

Yes Water resistant IP68 (up to 30 minutes in a depth of 3 meter)
Yes Water resistant IP64 (up to 20 minutes in a depth of 0.25 meter)

Ruggedness

Dust proof
Dust proof

Rear Camera

Rear Camera Rating

Very Good
Very Good

Resolution

50 MP
Primary Cameraf/1.7 Wide Angle23 mm focal length 1/1.55" sensor size Light Fusion 800 CMOS image sensor 2.0µm pixel size
50 MP
Primary Cameraf/1.81/2.76" sensor size
12 MP
Ultra-Wide Angle Camera15 mm focal length 1/3.06" sensor size 1.12µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera1/4.0" sensor size
50 MP
f/1.9 Telephoto Camera46 mm focal length 1/2.76" sensor size 0.64µm pixel size
N/A

Autofocus

Yes
Yes

OIS

Yes
Yes

Flash

Yes LED Flash
Yes

Image Resolution

8150 x 6150 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
Custom Watermark
Face detection
Filters
Touch to focus
Xiaomi ProFocus
N/A
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Video Recording

4k @30/60 fps
Full HD @30/60/120/240/960 fps
HD @30/120/240/960 fps
4k @30 fps
Full HD @30/60 fps

Video Recording Features

Slow Motion
Video Pro Mode
Dual Video Recording
Slow Motion

Front Camera

Front Camera Rating

Excellent
Very Good

Resolution

32 MP
f/2.2 Wide Angle Primary Camera21 mm focal length 1/3.44" sensor size 0.64µm pixel size
16 MP
f/2.4 Primary Camera

Autofocus

No
N/A

Flash

Yes Screen flash
Yes Screen flash

Video Recording

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

Battery

Battery Rating

Very Good
Very Good

Capacity

5500 mAh
6000 mAh

Quick Charging

Yes 67W Hyper Charging v3.0 100% in 50 minutes
Yes 33W Fast Charging 50% in 80 minutes

Storage

Internal Storage

256 GB
128 GB / 256 GB

Storage Type

UFS 4.1
UFS 2.2

Expandable Storage

No
N/A

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano

Network Support

5G 4G
5G 4G

VoLTE

Yes
Yes

SIM 1

5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N26 / N28
TDD N38 / N40 / N41 / N48 / N66 / N71 / N75 / N77 / N78
5G Bands:
FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N41 / N77 / N78
4G Bands:
TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42)
FD-LTE 1700(band 66) / 2100(band 1) / 600(band 71) / 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) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26) / 700 (band 12)
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)
View More

SIM 2

5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N26 / N28
TDD N38 / N40 / N41 / N48 / N66 / N71 / N75 / N77 / N78
5G Bands:
FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N41 / N77 / N78
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42) / 3500(band 48)
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) / 1500(band 32) / 700(band 12) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 600(Band 71) / 850(band 26) / 1700(band 66) / 700 (band 12)
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)
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Wi-Fi

Yes Wi-Fi 6E (802.11 a/b/g/n/ac/ax) 5GHz 6GHz MIMO
Yes Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) MIMO

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Wi-Fi Direct Mobile Hotspot

Bluetooth

Yes v6.0
Yes v6.0

GPS

Yes with A-GPS Glonass
Yes with Glonass

NFC

Yes
Yes

Multimedia

Stereo Speakers

Yes
Yes

Audio Jack

USB Type-C
USB Type-C

Audio Features

Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

On-screen
On-screen

Fingerprint Sensor Type

Optical
Optical

Other Sensors

Light sensor Proximity sensor Accelerometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope

Compare Prices

Not Available in any store
₹34,099
₹34,999