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15T vs 18 Pro Max

OnePlus 15T vs Xiaomi 18 Pro Max

What 15T does better (5) and where 18 Pro Max wins (14) — every spec side by side.

OnePlus · 202615T

9.7Score

5 advantages

Xiaomi · 202618 Pro Max

9.7Score

14 advantages≈ $990

Higher score

9.2Display9.6

9.7Performance9.8

9.4Camera9.8

9.7Battery9.7

9.7Features8.8

Dimensions

Size comparison

15T18 Pro Max

	15T	18 Pro Max	Difference
Height	150.6 mm	163.4 mm	−12.8 mm
Width	71.8 mm	77.6 mm	−5.8 mm
Thickness	8.4 mm	8.4 mm	=
Weight	194 g	235 g	−41 g

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

Why is 15T better than 18 Pro Max?

Refresh rate165 Hz vs 160 Hz+3%
Weight194 g vs 235 g+21%
eSIMYes · 18 Pro Max: No
Pixel density460 ppi vs 418 ppi+10%
Optical zoom3.5× vs 3.2×+9%

Why is 18 Pro Max better than 15T?

Main camera50 MP vs 200 MP4×
AnTuTu score3,927,976 vs 5,001,234+27%
Battery capacity7,500 mAh vs 8,500 mAh+13%
Selfie camera16 MP vs 50 MP3.1×
Geekbench 6 (multi-core)11,033 vs 11,459+4%
Ultra-wide cameraNo · 15T: Yes
4K selfie videoNo · 15T: Yes
Peak brightness3,600 nits vs 4,000 nits+11%
Screen size6.3″ vs 6.9″+9%
CPU frequency4.6 GHz vs 5.01 GHz+9%
USB version2 vs 3.2+60%
Process3 nm vs 2 nm+50%

Specifications

Side by side

Only differences	OnePlus 15T9.7	Xiaomi 18 Pro Max≈ $9909.7
Design
Weight	194 g	235 g
Thickness	8.4 mm	8.4 mm
Height	150.6 mm	163.4 mm
Width	71.8 mm	77.6 mm
Frame	Aluminium	Aluminium
Back	Plastic	Plastic
Ingress protection	IP68	IP68
Water resistance (IPx)	IPx8	IPx8
Glass protection	Crystal Shield Glass	Xiaomi Dragon Crystal Glass 3
Colours	Brown, Green, White	Black, White, Pink, Red, Blue
Display
Screen size	6.3″	6.9″
Panel	AMOLED	LTPO AMOLED
OLED panel	Yes	Yes
LTPO (adaptive 1–120 Hz)	—	Yes
Resolution (width)	1,216 px	1,208 px
Resolution (height)	2,640 px	2,624 px
Pixel density	460 ppi	418 ppi
Refresh rate	165 Hz	160 Hz
Peak brightness	3,600 nits	4,000 nits
Measured brightness	1,094 nits	—
Screen-to-body ratio	90.6%	91.6%
HDR	Yes	Yes
Performance
Chipset	Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5	Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6
Chip maker	Qualcomm	Qualcomm
Process	3 nm	2 nm
CPU cores	8	8
CPU frequency	4.6 GHz	5.01 GHz
GPU	Adreno 840	Adreno 850
AnTuTu score	3,927,976	5,001,234
Geekbench 6 (multi-core)	11,033	11,459
Memory
RAM	16 GB	16 GB
Storage (max)	1,024 GB	1,024 GB
Storage (base)	256 GB	256 GB
Storage type	UFS 4.1	UFS 4.1
Memory card slot	No	No
Camera
Main camera	50 MP	200 MP
Main camera aperture	f/1.8	f/1.7
Main sensor size	1/1.56"	1/1.28"
Rear cameras	2	3
Optical stabilisation	Yes	Yes
Ultra-wide camera	No	Yes
Telephoto camera	Yes	Yes
Optical zoom	3.5×	3.2×
Max video	8K	8K
4K video frame rate	120 fps	120 fps
Selfie camera	16 MP	50 MP
4K selfie video	No	Yes
Battery
Battery capacity	7,500 mAh	8,500 mAh
Battery type	Si/C	Si/C
Wired charging	100 W	100 W
Charged in 30 min	61%	—
Wireless charging	Yes	Yes
Wireless charging power	50 W	50 W
Reverse wireless charging	—	Yes
Connectivity
5G	Yes	Yes
eSIM	Yes	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 7	Wi-Fi 7
Bluetooth	6	6
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 3.2
USB version	2	3.2
Video output	Yes	Yes
Ultra Wideband	—	Yes
Infrared port	Yes	Yes
Dual-band GPS	Yes	Yes
Satellite navigation	GLONASS, GALILEO, BDS, QZSS, NavIC	GLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	No
Fingerprint sensor	Under display, ultrasonic	Under display, ultrasonic
Barometer	—	Yes
Sensors	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass	Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
Software
OS at launch	Android 16	Android 17
Platform	Android	Android
Interface	OxygenOS 16 (Global)	HyperOS 4