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P3 Ultra vs Redmi Note 15 Pro+ (China)

Realme P3 Ultra vs Xiaomi Redmi Note 15 Pro+ (China)

What P3 Ultra does better (6) and where Redmi Note 15 Pro+ (China) wins (10) — every spec side by side.

Realme · 2025P3 Ultra

9.2Score

6 advantages≈ $430

Xiaomi · 2025Redmi Note 15 Pro+ (China)

9.3Score

10 advantages

Higher score

9.1Display9.4

8.6Camera8.6

9.0Battery9.4

8.2Features8.9

Dimensions

Size comparison

P3 UltraRedmi Note 15 Pro+ (China)

	P3 Ultra	Redmi Note 15 Pro+ (China)	Difference
Height	163.1 mm	163.3 mm	−0.2 mm
Width	76.9 mm	78.3 mm	−1.4 mm
Thickness	7.4 mm	7.9 mm	−0.5 mm
Weight	183 g	211 g	−28 g

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

Why is P3 Ultra better than Redmi Note 15 Pro+ (China)?

CPU frequency3.35 GHz vs 2.7 GHz+24%
4K video frame rate60 fps vs 30 fps2×
Weight183 g vs 211 g+15%
Thickness7.4 mm vs 7.9 mm+7%
Resolution (width)1,272 px vs 1,220 px+4%
Screen-to-body ratio90.4% vs 86.8%+4%

Why is Redmi Note 15 Pro+ (China) better than P3 Ultra?

Peak brightness1,500 nits vs 3,200 nits2.1×
Storage (max)512 GB vs 1,024 GB2×
Telephoto cameraNo · P3 Ultra: Yes
Battery capacity6,000 mAh vs 7,000 mAh+17%
RAM12 GB vs 16 GB+33%
Wired charging80 W vs 90 W+12%
Storage (base)128 GB vs 256 GB2×
Selfie camera16 MP vs 32 MP2×
Rear cameras2 vs 3+50%
Main camera aperturef/1.8 vs f/1.6+12%

Specifications

Side by side

Only differences	Realme P3 Ultra≈ $4309.2	Xiaomi Redmi Note 15 Pro+ (China)9.3
Design
Weight	183 g	211 g
Thickness	7.4 mm	7.9 mm
Height	163.1 mm	163.3 mm
Width	76.9 mm	78.3 mm
Frame	Plastic	—
Back	Plastic	—
Ingress protection	IP68	IP68
Water resistance (IPx)	IPx8	IPx8
Glass protection	Corning Gorilla Glass 7i	Xiaomi Dragon Crystal Glass
Colours	Neptune Blue, Orion Red, Glowing Lunar White	Black, Purple, Blue, White
Display
Screen size	6.8″	6.8″
Panel	AMOLED	AMOLED
OLED panel	Yes	Yes
Resolution (width)	1,272 px	1,220 px
Resolution (height)	2,800 px	2,772 px
Pixel density	450 ppi	443 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	1,500 nits	3,200 nits
Measured brightness	1,862 nits	—
Screen-to-body ratio	90.4%	86.8%
HDR	Yes	Yes
Performance
Chipset	Mediatek Dimensity 8350 Ultra	Qualcomm SM7635-AC Snapdragon 7s Gen 4
Chip maker	MediaTek	Qualcomm
Process	4 nm	4 nm
CPU cores	8	8
CPU frequency	3.35 GHz	2.7 GHz
GPU	Mali G615-MC6	Adreno 810
AnTuTu score	1,403,612	—
Geekbench 6 (multi-core)	4,169	—
3DMark Wild Life Extreme	3,178	—
Memory
RAM	12 GB	16 GB
Storage (max)	512 GB	1,024 GB
Storage (base)	128 GB	256 GB
Storage type	UFS 3.1	UFS 2.2
Memory card slot	No	No
Camera
Main camera	50 MP	50 MP
Main camera aperture	f/1.8	f/1.6
Main sensor size	1/1.56"	1/1.55"
Rear cameras	2	3
Optical stabilisation	Yes	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	No	Yes
Optical zoom	—	2.5×
Max video	4K	4K
4K video frame rate	60 fps	30 fps
Selfie camera	16 MP	32 MP
4K selfie video	No	No
Battery
Battery capacity	6,000 mAh	7,000 mAh
Battery type	Si/C	Li-Ion
Active use (test)	16.8 h	—
Wired charging	80 W	90 W
Charged in 30 min	64%	—
Wireless charging	No	No
Connectivity
5G	Yes	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 6
Bluetooth	5.4	5.4
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Infrared port	Yes	—
Dual-band GPS	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS, QZSS
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	No
Loudspeaker loudness	-26.6 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	Realme UI 7.0	HyperOS 2
Major OS updates promised	3	—