Xiaomi Redmi Note 15 vs Nothing Phone 3a

Comparing the Xiaomi Redmi Note 15 vs Nothing Phone 3a 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: Nothing Phone 3a scores higher on the Geekbench Multi-Core test with 3,311, while Xiaomi Redmi Note 15 scores 1,528, making Nothing Phone 3a the better performer.

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

Rear Camera: Xiaomi Redmi Note 15 offers a higher rear camera resolution with 108 MP, while Nothing Phone 3a offers 50 MP, making Xiaomi Redmi Note 15 better for rear camera photography.

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

Battery: Xiaomi Redmi Note 15 delivers longer battery life with 17h 00m, while Nothing Phone 3a delivers 14h 00m, making Xiaomi Redmi Note 15 the better pick for all day usage.

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

Expert Review: Xiaomi Redmi Note 15 receives a higher expert rating of 8 from the editorial team, while Nothing Phone 3a is rated 7.9.

User Rating: Nothing Phone 3a receives a higher user rating of 4.5, while Xiaomi Redmi Note 15 has a rating of 4.2.

Xiaomi Redmi Note 15

₹28,999

@ Amazon

Nothing Phone 3a

₹24,999

@ Flipkart

Summary

Release Date

09 Jan, 2026

11 Mar, 2025

08 Oct, 2026

Performance


Snapdragon 6 Gen 3	Snapdragon 7s Gen 3	MediaTek Dimensity 7360 Max
Octa Core (upto 2.4 GHz)	Octa Core (upto 2.5 GHz)	Octa Core (upto 2.5 GHz)
8 GB RAM	8 GB RAM	6 GB RAM

Display


6.77 inches (17.2 cm)	6.77 inches (17.2 cm)	6.78 inches (17.22 cm)
AMOLED	Flexible AMOLED	AMOLED
1080x2392 px (FHD+)	1080x2392 px (FHD+)	1272x2712 px (FHD+)
120 Hz Refresh Rate	120 Hz Refresh Rate	144 Hz Refresh Rate

Rear Camera


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

Front Camera


20 MP Wide Angle Lens	32 MP Wide Angle Lens	16 MP

Battery


5520 mAh	5000 mAh	8000 mAh
45W Turbo Charging	50W Fast Charging	45W Super VOOC Charging
No Wireless Charging	No Wireless Charging	No Wireless Charging

Storage

128 GB	128 GB	128 GB
UFS 2.2	UFS 2.2	UFS 3.1

Expert Review

8.0/10

Read Expert Review

7.9/10

Read Expert Review

N/A

Pros

Great visual experience
Sleek and durable build
Detailed daylight shots
Long software support

Vibrant display
Clean OS
Good cameras
Solid battery

Device yet to be reviewed

Cons

Performance could be better
Ships with Android 15

Bulky design
No charger in the box

Device yet to be reviewed

User Ratings

4.2/5

(2,612 ratings)

4.5/5

(52,551 ratings)

N/A

Benchmarks (The higher, the better)

868,311 AnTuTu Score	798,022 AnTuTu Score	951,668 AnTuTu Score
17h 00m Battery Life (PC Mark)	14h 00m Battery Life (PC Mark)	18h 49m Battery Life (PC Mark)

Compare Prices

₹28,999

@ Amazon

₹24,999

@ Flipkart

₹25,999

@ Flipkart

Video

2 More Videos

9 More Videos

There are no videos available for the device.

User Feedback

General

Launch Date

Jan 09, 2026

(Official)

Mar 11, 2025

(Official)

Sep 29, 2026

(Official)

Operating System

Android v15

Android v17

OS Updates

4 Years

3 Years

6 Year

Security Updates

6 Years

6 Year

Custom UI

HyperOS

Nothing OS

ColorOS

Performance

Performance Rating

Very Good

Chipset

Qualcomm Snapdragon 6 Gen 3 SM6475

View Details

Qualcomm Snapdragon 7s Gen 3

View Details

MediaTek Dimensity 7360 Max

Processor

Octa core

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

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

2.5 GHz, Quad core, Cortex A78 2 GHz, Quad core, Cortex A55

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

4 nm

Graphics (GPU)

Adreno 710

Mali-G615 MC2

RAM

8 GB

6 GB / 8 GB

RAM Type

LPDDR4X

Cooling Technology

Vapor Chamber

Vapor Chamber Cooling 5000 mm²

Performance Test Results

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

868,311

798,022

951,668

Bootup Time (The lower, the better)

23.0 s

17.0 s

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.

846

1,033

853

Battery Drain* (The lower, the better)

7.0 %

N/A

Heating* (The lower, the better)

23.1 %

25.5 %

N/A

* after 30 mins of gaming

Display

Display Rating

Excellent

Display Type

AMOLED

Flexible AMOLED

AMOLED

Screen Size

6.77 inches (17.2 cm)

6.78 inches (17.22 cm)

Resolution

1080x2392 px (FHD+)

1272x2712 px (FHD+)

Peak Brightness

3200 nits

3000 nits

3600 nits

HBM Brightness

N/A

1300 nits

1800 nits

PWM Dimming

3840 Hz

2160 Hz

N/A

Refresh Rate

120 Hz

144 Hz

Touch Sampling Rate

240 Hz

N/A

240 Hz

Aspect Ratio

20:9

N/A

20:9

Pixel Density

388 ppi

450 ppi

Screen to Body Ratio (calculated)

89.46 %

87.32 %

90.5 %

Screen Protection

Yes

Bezel-less Display

Yes with punch-hole display

HDR 10 / HDR+ Support

N/A

Yes HDR 10+

N/A

Screen to Body Ratio (claimed by the brand)

92 %

91.4 %

93.6 %

Design

Height

164 mm

163.52 mm

162.56 mm

Width

75.42 mm

77.50 mm

77.6 mm

Thickness

7.35 mm

8.35 mm

8.4 mm

Weight

178 grams

201 grams

207 grams

Build Material

N/A

Back: Corning Gorilla Glass Armor 2

Water Resistance

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

Yes Splash proof IP64

Yes Water resistant IP68 IP66 IP69K IP69

Ruggedness

Dust proof

Shock proof

Rear Camera

Rear Camera Rating

Very Good

Resolution

108 MP
Primary Camera60x Digital Zoomf/1.7 Wide Angle24 mm focal length 1/1.67" sensor size S5KHM9

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 Camera10x Digital Zoomf/1.8 Wide Angle 79° field-of-view1/2" sensor size

8 MP
f/2.2 Ultra-Wide Angle Depth Camera60 mm focal length

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

2 MP
Mono Depth Camera

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

Yes Phase Detection Autofocus

Yes

OIS

Yes

Flash

Yes LED Flash

Image Resolution

6150 x 8150 Pixels

8150 x 6150 Pixels

N/A

Settings

N/A

Exposure compensation ISO control

N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

Beautify

Camera Features

60 x Digital Zoom
Auto Flash

Digital Zoom
Auto Flash
Face detection
Touch to focus

10 x Digital Zoom
Optical Zoom

Video Recording

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

4k @30 fps
Full HD @120 fps

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

Video Recording Features

Slow Motion

N/A

Dual Video Recording

Front Camera

Front Camera Rating

Very Good

Resolution

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

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

16 MP
f/2.4 Primary Camera23 mm focal length 1/3.1" sensor size 1µm pixel size

Autofocus

N/A

Flash

Yes Screen flash

N/A

Yes Screen flash

Video Recording

Full HD @30 fps
HD @30 fps

Full HD @60 fps

Full HD @30/60 fps
HD @30 fps

Battery

Battery Rating

Very Good

Capacity

5520 mAh

5000 mAh

8000 mAh

Battery Type

Silicon Carbon

Li-ion

N/A

TalkTime

N/A

Up to 30.33 Hours(2G)

Quick Charging

Yes 45W Turbo Charging v3.0

Yes 50W Fast Charging 50% in 19 minutes

Yes 45W Super VOOC Charging

Reverse Charging

Yes 18W Reverse Charging

Yes 7.5W Reverse Charging

Yes 10W 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.

17h 00m

14h 00m

18h 49m

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

57m

51m 50s

1h 25m 55s

Storage

Internal Storage

128 GB / 256 GB

Storage Type

UFS 2.2

UFS 3.1

Expandable Storage

Yes Up to 1 GB

N/A

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: Nano (Hybrid)

SIM1: Nano SIM2: Nano

Network Support

5G 4G

VoLTE

Yes

SIM 1

5G Bands:

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

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 / N18 / N26 / N28
TDD N38 / N40 / N41 / N48 / N77 / N78

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

SIM 2

5G Bands:

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

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 / N18 / N26 / N28
TDD N38 / N40 / N41 / N48 / 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) / 3700(band 43) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5) / 850(band 18) / 850(band 19) / 850(band 26)