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Phone (3a) Pro vs Redmi Note 15 (China)

Nothing Phone (3a) Pro vs Xiaomi Redmi Note 15 (China)

What Phone (3a) Pro does better (11) and where Redmi Note 15 (China) wins (7) — every spec side by side.

Nothing · 2025Phone (3a) Pro

8.6Score

11 advantages≈ $480

Higher score

Xiaomi · 2025Redmi Note 15 (China)

8.4Score

7 advantages

8.5Display9.0

9.1Camera5.4

6.4Battery8.1

7.5Features8.4

Dimensions

Size comparison

Phone (3a) ProRedmi Note 15 (China)

	Phone (3a) Pro	Redmi Note 15 (China)	Difference
Height	163.5 mm	165 mm	−1.5 mm
Width	77.5 mm	75.4 mm	+2.1 mm
Thickness	8.4 mm	7.4 mm	+1 mm
Weight	211 g	178 g	+33 g

Drawn to the same scale from the official dimensions (front and side).

Why is Phone (3a) Pro better than Redmi Note 15 (China)?

Optical stabilisationYes · Redmi Note 15 (China): No
Telephoto cameraYes · Redmi Note 15 (China): No
Wired charging50 W vs 45 W+11%
Rear cameras3 vs 13×
Selfie camera50 MP vs 8 MP6.2×
Ultra-wide cameraYes · Redmi Note 15 (China): No
4K selfie videoYes · Redmi Note 15 (China): No
eSIMYes · Redmi Note 15 (China): No
CPU frequency2.5 GHz vs 2.4 GHz+4%
Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%
Bluetooth5.4 vs 5.1+6%

Why is Redmi Note 15 (China) better than Phone (3a) Pro?

Water resistance (IPx)IPx4 vs IPx82×
Battery capacity5,000 mAh vs 5,800 mAh+16%
Memory card slotNo · Phone (3a) Pro: Yes
Weight211 g vs 178 g+19%
Peak brightness3,000 nits vs 3,200 nits+7%
Thickness8.4 mm vs 7.4 mm+14%
Main camera aperturef/1.9 vs f/1.8+6%

Specifications

Side by side

Only differences	Nothing Phone (3a) Pro≈ $4808.6	Xiaomi Redmi Note 15 (China)8.4
Design
Weight	211 g	178 g
Thickness	8.4 mm	7.4 mm
Height	163.5 mm	165 mm
Width	77.5 mm	75.4 mm
Frame	Plastic	—
Back	Glass	—
Ingress protection	IP64	IP68
Water resistance (IPx)	IPx4	IPx8
Glass protection	Panda Glass	Xiaomi Dragon Crystal Glass
Colours	Black, Gray	Black, White, Blue
Display
Screen size	6.8″	6.8″
Panel	AMOLED	AMOLED
OLED panel	Yes	Yes
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,392 px	2,392 px
Pixel density	387 ppi	388 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	3,000 nits	3,200 nits
Measured brightness	1,307 nits	—
Screen-to-body ratio	88%	89.1%
HDR	Yes	—
Performance
Chipset	Qualcomm SM7635 Snapdragon 7s Gen 3	Qualcomm SM6475-AB Snapdragon 6 Gen 3
Chip maker	Qualcomm	Qualcomm
Process	4 nm	4 nm
CPU cores	8	8
CPU frequency	2.5 GHz	2.4 GHz
GPU	Adreno 810	Adreno 710
AnTuTu score	820,097	—
Geekbench 6 (multi-core)	3,327	—
3DMark Wild Life Extreme	1,061	—
Memory
RAM	12 GB	12 GB
Storage (max)	256 GB	256 GB
Storage (base)	128 GB	128 GB
Storage type	UFS 2.2	UFS 2.2
Memory card slot	No	Yes
Camera
Main camera	50 MP	50 MP
Main camera aperture	f/1.9	f/1.8
Main sensor size	1/1.56"	1/2.88"
Rear cameras	3	1
Optical stabilisation	Yes	No
Ultra-wide camera	Yes	No
Telephoto camera	Yes	No
Optical zoom	3×	—
Max video	4K	4K
4K video frame rate	30 fps	30 fps
Selfie camera	50 MP	8 MP
4K selfie video	Yes	No
Battery
Battery capacity	5,000 mAh	5,800 mAh
Battery type	Li-Po	Li-Ion
Active use (test)	13.6 h	—
Wired charging	50 W	45 W
Charged in 30 min	79%	—
Wireless charging	No	No
Connectivity
5G	Yes	Yes
eSIM	Yes	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 5
Bluetooth	5.4	5.1
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Satellite navigation	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS, QZSS
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	No
Loudspeaker loudness	-23.3 LUFS	—
Fingerprint sensor	Under display	Under display
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (under display, optical), accelerometer, gyro, compass, proximity
Software
OS at launch	Android 15	Android 15
Platform	Android	Android
Interface	Nothing OS 4.0	HyperOS 2
Major OS updates promised	3	—
EU label
Energy class	C	—
Battery charge cycles	1,400	—
Endurance per cycle	43 h	—
Repairability class	C	—
Drop resistance class	C	—