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Reno15 Pro Max vs X300 Ultra

OPPO Reno15 Pro Max vs Vivo X300 Ultra

What Reno15 Pro Max does better (5) and where X300 Ultra wins (17) — every spec side by side.

OPPO · 2026Reno15 Pro Max

9.6Score

5 advantages

Vivo · 2026X300 Ultra

9.7Score

17 advantages≈ $2,150

Higher score

9.0Display9.6

8.5Performance9.5

9.7Camera9.8

9.6Battery9.3

9.5Features9.7

Dimensions

Size comparison

Reno15 Pro MaxX300 Ultra

	Reno15 Pro Max	X300 Ultra	Difference
Height	161.3 mm	163 mm	−1.7 mm
Width	76.5 mm	76.8 mm	−0.3 mm
Thickness	7.7 mm	8.2 mm	−0.5 mm
Weight	205 g	232 g	−27 g

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

Why is Reno15 Pro Max better than X300 Ultra?

Weight205 g vs 232 g+13%
Rear cameras3 vs 2+50%
Wireless charging power50 W vs 40 W+25%
Thickness7.7 mm vs 8.2 mm+6%
Main camera aperturef/1.8 vs f/1.9+6%

Why is X300 Ultra better than Reno15 Pro Max?

Geekbench 6 (multi-core)6,321 vs 11,494+82%
Peak brightness1,800 nits vs 4,500 nits2.5×
AnTuTu score2,131,620 vs 2,723,497+28%
Storage (max)512 GB vs 1,024 GB2×
RAM12 GB vs 16 GB+33%
Wired charging80 W vs 100 W+25%
Refresh rate120 Hz vs 144 Hz+20%
CPU frequency3.25 GHz vs 4.6 GHz+42%
Optical zoom3.5× vs 4.7×+34%
Max video4K vs 8K
4K video frame rate60 fps vs 120 fps2×
Pixel density450 ppi vs 510 ppi+13%

Specifications

Side by side

Only differences	OPPO Reno15 Pro Max9.6	Vivo X300 Ultra≈ $2,1509.7
Design
Weight	205 g	232 g
Thickness	7.7 mm	8.2 mm
Height	161.3 mm	163 mm
Width	76.5 mm	76.8 mm
Frame	Aluminium	Aluminium
Back	Glass	Glass
Ingress protection	IP68	IP68
Water resistance (IPx)	IPx8	IPx8
Glass protection	Corning Gorilla Glass Victus 2	Armor glass
Colours	Dusk Brown, Aura Gold	Eclipse Black, Victory Green, Silver
Display
Screen size	6.8″	6.8″
Panel	AMOLED	LTPO AMOLED
OLED panel	Yes	Yes
LTPO (adaptive 1–120 Hz)	—	Yes
Resolution (width)	1,272 px	1,440 px
Resolution (height)	2,772 px	3,168 px
Pixel density	450 ppi	510 ppi
Refresh rate	120 Hz	144 Hz
Peak brightness	1,800 nits	4,500 nits
Measured brightness	—	1,935 nits
Screen-to-body ratio	91.1%	90.3%
HDR	Yes	Yes
Performance
Chipset	Mediatek Dimensity 8450	Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5
Chip maker	MediaTek	Qualcomm
Process	4 nm	3 nm
CPU cores	8	8
CPU frequency	3.25 GHz	4.6 GHz
GPU	Mali-G720 MC7	Adreno 840
AnTuTu score	2,131,620	2,723,497
Geekbench 6 (multi-core)	6,321	11,494
3DMark Wild Life Extreme	—	7,075
Memory
RAM	12 GB	16 GB
Storage (max)	512 GB	1,024 GB
Storage (base)	256 GB	256 GB
Storage type	UFS 3.1	UFS 4.1
Memory card slot	No	No
Camera
Main camera	200 MP	200 MP
Main camera aperture	f/1.8	f/1.9
Main sensor size	1/1.56"	1/1.12"
Rear cameras	3	2
Optical stabilisation	Yes	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	Yes	Yes
Optical zoom	3.5×	4.7×
Max video	4K	8K
4K video frame rate	60 fps	120 fps
Selfie camera	50 MP	50 MP
4K selfie video	Yes	Yes
Battery
Battery capacity	6,500 mAh	6,600 mAh
Battery type	Si/C	Si/C
Active use (test)	—	15.8 h
Wired charging	80 W	100 W
Charged in 30 min	59%	66%
Wireless charging	Yes	Yes
Wireless charging power	50 W	40 W
Reverse wireless charging	—	Yes
Connectivity
5G	Yes	Yes
eSIM	Yes	Yes
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 7
Bluetooth	5.4	5.4
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 3.2
USB version	2	3.2
Video output	—	Yes
Satellite messaging	—	Yes
Infrared port	Yes	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	—	-24.7 LUFS
Fingerprint sensor	Under display	Under display, ultrasonic
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
SAR (head)	—	0.99 W/kg
Software
OS at launch	Android 16	Android 16
Platform	Android	Android
Interface	ColorOS 16	OriginOS 6
EU label
Energy class	—	B
Battery charge cycles	—	1,200
Endurance per cycle	—	57 h
Repairability class	—	C
Drop resistance class	—	B