Nothing Phone 3a vs Xiaomi Redmi Note 15 SE 5G

Comparing the Nothing Phone 3a vs Xiaomi Redmi Note 15 SE 5G across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Nothing Phone 3a runs at a higher processing speed of 2.5 GHz, while Xiaomi Redmi Note 15 SE 5G runs at 2.4 GHz, making Nothing Phone 3a the better performer.

Display: Both Nothing Phone 3a and Xiaomi Redmi Note 15 SE 5G offer the same screen size of 6.77 inches, but Xiaomi Redmi Note 15 SE 5G features a AMOLED display compared to Nothing Phone 3a's Flexible AMOLED, making Xiaomi Redmi Note 15 SE 5G the better display of the two.

Rear Camera: Both Nothing Phone 3a and Xiaomi Redmi Note 15 SE 5G feature a 50 MP primary rear camera.

Front Camera: Nothing Phone 3a offers a higher front camera resolution with 32 MP, while Xiaomi Redmi Note 15 SE 5G offers 20 MP, making Nothing Phone 3a better for front camera photography.

Battery: Xiaomi Redmi Note 15 SE 5G delivers longer battery life with None, while Nothing Phone 3a delivers 14h 00m, making Xiaomi Redmi Note 15 SE 5G the better pick for all day usage.

Storage: Both Nothing Phone 3a and Xiaomi Redmi Note 15 SE 5G offer the same internal storage of 128 GB.

User Rating: Nothing Phone 3a receives a higher user rating of 4.5, while Xiaomi Redmi Note 15 SE 5G has a rating of 4.3.

Nothing Phone 3a

₹24,999

@ Flipkart

Xiaomi Redmi Note 15 SE 5G

₹24,999

@ Amazon

Summary

Release Date

11 Mar, 2025

07 Apr, 2026

16 Jul, 2026

Performance


Snapdragon 7s Gen 3	Snapdragon 6 Gen 3	MediaTek Dimensity 6400
Octa Core (upto 2.5 GHz)	Octa Core (upto 2.4 GHz)	Octa Core (upto 2.5 GHz)
8 GB RAM	6 GB RAM	4 GB RAM

Display


6.77 inches (17.2 cm)	6.77 inches (17.2 cm)	6.67 inches (16.94 cm)
Flexible AMOLED	AMOLED	IPS LCD
1080x2392 px (FHD+)	1080x2392 px (FHD+)	720x1604 px (HD+)
120 Hz Refresh Rate	120 Hz Refresh Rate	120 Hz Refresh Rate

Rear Camera


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

Front Camera


32 MP Wide Angle Lens	20 MP Wide Angle Lens	8 MP

Battery


5000 mAh	5800 mAh	7000 mAh
50W Fast Charging	45W Turbo Charging	30W Turbo Charging
No Wireless Charging	No Wireless Charging	N/A

Storage

128 GB	128 GB	64 GB
UFS 2.2	UFS 2.2	UFS 2.2

Expert Review

7.9/10

Read Expert Review

N/A

8.1/10

Pros

Vibrant display
Clean OS
Good cameras
Solid battery

Device yet to be reviewed

Top-class battery life
Comfortable to hold
Loud stereo speakers
Performs well for daily use

Cons

Bulky design
No charger in the box

Device yet to be reviewed

Limited OS upgrades
Primary camera may produce dull tones

User Ratings

4.5/5

(52,548 ratings)

4.3/5

(6,562 ratings)

4.2/5

(21 ratings)

Benchmarks (The higher, the better)

798,022 AnTuTu Score	N/A	570,353 AnTuTu Score
14h 00m Battery Life (PC Mark)	N/A	16h 49m Battery Life (PC Mark)

Compare Prices

₹24,999

@ Flipkart

₹24,999

@ Amazon

₹19,999

@ Flipkart

Video

9 More Videos

There are no videos available for the device.

1 Video

User Feedback

General

Launch Date

Mar 11, 2025

(Official)

Apr 02, 2026

(Official)

May 19, 2026

(Official)

Operating System

Android v15

Android v16

OS Updates

3 Years

4 Years

1 Year

Security Updates

6 Years

3 Year

Custom UI

Nothing OS

HyperOS

N/A

Performance

Performance Rating

Very Good

Good

Chipset

Qualcomm Snapdragon 7s Gen 3

View Details

Qualcomm Snapdragon 6 Gen 3 SM6475

View Details

MediaTek Dimensity 6400 MT6835

View Details

Processor

Octa core

2.5 GHz, Single core, Cortex A720 2.4 GHz, Tri core, Cortex A720 1.8 GHz, Quad core, Cortex A520

Octa core

2.4 GHz, Quad core, Cortex A78 1.8 GHz, Quad core, Cortex A55

Octa core

2.5 GHz, Dual core, Cortex A76 2 GHz, Hexa Core, Cortex A55

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

4 nm

6 nm

Graphics (GPU)

Adreno 710

Mali-G57 MC2

RAM

8 GB

6 GB / 8 GB

4 GB / 8 GB

RAM Type

LPDDR4X

Cooling Technology

Vapor Chamber

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.

798,022

N/A

570,353

Bootup Time (The lower, the better)

17.0 s

N/A

26.0 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.

1,033

N/A

383

Battery Drain* (The lower, the better)

7.0 %

N/A

Heating* (The lower, the better)

25.5 %

N/A

* after 30 mins of gaming

Display

Display Rating

Excellent

Display Type

Flexible AMOLED

AMOLED

IPS LCD

Screen Size

6.77 inches (17.2 cm)

6.67 inches (16.94 cm)

Resolution

1080x2392 px (FHD+)

720x1604 px (HD+)

Peak Brightness

3000 nits

3200 nits

1050 nits

HBM Brightness

1300 nits

N/A

PWM Dimming

2160 Hz

3840 Hz

N/A

Refresh Rate

120 Hz

Touch Sampling Rate

N/A

240 Hz

120 Hz

Aspect Ratio

N/A

20:9

Pixel Density

388 ppi

264 ppi

Screen to Body Ratio (calculated)

87.32 %

89.46 %

84.48 %

Screen Protection

Yes

Corning Gorilla Glass 7i

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)

91.4 %

92 %

84.3 %

Design

Height

163.52 mm

164 mm

166.2 mm

Width

77.50 mm

75.42 mm

76.50 mm

Thickness

8.35 mm

7.35 mm

8.8 mm

Weight

201 grams

178 grams

215 grams

Build Material

N/A

Back: Vegan Leather

Water Resistance

Yes Splash proof IP64

Yes Splash proof IP66 IP65 (up to 30 minutes in a depth of 1.5 meter)

Yes Splash proof IP64

Ruggedness

Dust proof

Rear Camera

Rear Camera Rating

Very Good

Good

Resolution

50 MP
Primary Cameraf/1.88 Wide Angle 84° field-of-view24 mm focal length 1/1.57" sensor size S5KGN9 ISO-CELL 1µm pixel size

50 MP
Primary Cameraf/1.8 Wide Angle1/2.88" sensor size

50 MP
Primary Cameraf/1.80.61µm pixel size

8 MP
f/2.2 Ultra-Wide Angle Camera15 mm focal length 1/4.0" sensor size 1.12µm pixel size

2 MP

N/A

50 MP
f/2.0 Telephoto Camera50 mm focal length 1/2.75" sensor size 0.64µm pixel size

N/A

Autofocus

Yes Phase Detection Autofocus

Yes

Yes Phase Detection Autofocus

OIS

Yes

N/A

Flash

Yes LED Flash

Yes Dual LED Flash

Image Resolution

8150 x 6150 Pixels

N/A

Settings

Exposure compensation ISO control

N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

High Dynamic Range mode (HDR)

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus

Digital Zoom
Auto Flash

N/A

Video Recording

4k @30 fps
Full HD @120 fps

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

2k @30 fps

Video Recording Features

N/A

Slow Motion

N/A

Front Camera

Front Camera Rating

Very Good

Resolution

32 MP
f/2.2 Wide Angle Primary Camera22 mm focal length 1/3.44" sensor size

20 MP
f/2.2 Wide Angle Primary Camera1/4.0" sensor size

8 MP
f/2.0 Primary Camera1.12µm pixel size

Autofocus

N/A

Flash

N/A

Yes Screen flash

Video Recording

Full HD @60 fps

Full HD @30 fps
HD @30 fps

2k @30 fps

Battery

Battery Rating

Very Good

Capacity

5000 mAh

5800 mAh

7000 mAh

Battery Type

Li-ion

Silicon Carbon

N/A

Quick Charging

Yes 50W Fast Charging 50% in 19 minutes

Yes 45W Turbo Charging v3.0

Yes 30W Turbo Charging

Reverse Charging

Yes 7.5W Reverse Charging

Yes 18W Reverse Charging

Yes 6W 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.

14h 00m

N/A

16h 49m

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

51m 50s

N/A

1h 17m

Storage

Internal Storage

128 GB / 256 GB

64 GB / 128 GB

Storage Type

UFS 2.2

Expandable Storage

Yes Up to 1 GB

Yes Up to 1 TB

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: Nano

SIM1: Nano SIM2: Nano (Hybrid)

SIM1: Nano SIM2: Nano

Network Support

5G 4G

VoLTE

Yes

SIM 1

5G Bands:

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N28
TDD N38 / N40 / N41 / N48 / N66 / N77 / N78

5G Bands:

FDD N1 / N3 / N5 / N8 / N28
TDD N38 / N40 / N78

5G Bands:

FDD N1 / N3 / N5 / N7 / N8 / N20 / N26 / N28 / N71 / N75
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) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)

4G Bands:

TD-LTE 3500(band 48) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42)
FD-LTE 2100(band 1) / 1500(band 32) / 600(band 71) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20) / 850(band 26)

SIM 2

5G Bands:

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N28
TDD N38 / N40 / N41 / N48 / N66 / N77 / N78

5G Bands:

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

5G Bands:

FDD N1 / N3 / N5 / N7 / N8 / N20 / N26 / N28 / N71 / N75
TDD N38 / N40 / N41 / N77 / N78

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5) / 850(band 19)

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) / 850(band 5) / 1500(band 32) / 800(band 20) / 600(Band 71) / 850(band 26)