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15T vs Redmi K90 Ultra

OnePlus 15T vs Xiaomi Redmi K90 Ultra

What 15T does better (11) and where Redmi K90 Ultra wins (8) — every spec side by side.

OnePlus · 202615T

9.7Score

11 advantages

Higher score

Xiaomi · 2026Redmi K90 Ultra

9.6Score

8 advantages≈ $420

9.2Display9.8

9.7Performance9.6

9.4Camera9.0

9.7Battery9.6

9.7Features9.3

Dimensions

Size comparison

15TRedmi K90 Ultra

	15T	Redmi K90 Ultra	Difference
Height	150.6 mm	162.9 mm	−12.3 mm
Width	71.8 mm	77.9 mm	−6.1 mm
Thickness	8.4 mm	8.2 mm	+0.2 mm
Weight	194 g	227 g	−33 g

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

Why is 15T better than Redmi K90 Ultra?

AnTuTu score3,927,976 vs 3,233,695+21%
Storage (max)1,024 GB vs 512 GB2×
Telephoto cameraYes · Redmi K90 Ultra: No
Wireless chargingYes · Redmi K90 Ultra: No
Geekbench 6 (multi-core)11,033 vs 10,224+8%
4K video frame rate120 fps vs 60 fps2×
eSIMYes · Redmi K90 Ultra: No
Weight194 g vs 227 g+17%
CPU frequency4.6 GHz vs 4.32 GHz+6%
Pixel density460 ppi vs 447 ppi+3%
Bluetooth6 vs 5.4+11%

Why is Redmi K90 Ultra better than 15T?

Peak brightness3,600 nits vs 9,500 nits2.6×
Battery capacity7,500 mAh vs 8,550 mAh+14%
Ultra-wide cameraNo · 15T: Yes
Screen size6.3″ vs 6.8″+8%
Selfie camera16 MP vs 20 MP+25%
Main camera aperturef/1.8 vs f/1.7+6%
Resolution (width)1,216 px vs 1,280 px+5%
Thickness8.4 mm vs 8.2 mm+2%

Specifications

Side by side

Only differences	OnePlus 15T9.7	Xiaomi Redmi K90 Ultra≈ $4209.6
Design
Weight	194 g	227 g
Thickness	8.4 mm	8.2 mm
Height	150.6 mm	162.9 mm
Width	71.8 mm	77.9 mm
Frame	Aluminium	Aluminium
Back	Plastic	—
Ingress protection	IP68	IP68
Water resistance (IPx)	IPx8	IPx8
Glass protection	Crystal Shield Glass	—
Colours	Brown, Green, White	Black, Blue, Silver
Display
Screen size	6.3″	6.8″
Panel	AMOLED	AMOLED
OLED panel	Yes	Yes
Resolution (width)	1,216 px	1,280 px
Resolution (height)	2,640 px	2,772 px
Pixel density	460 ppi	447 ppi
Refresh rate	165 Hz	165 Hz
Peak brightness	3,600 nits	9,500 nits
Measured brightness	1,094 nits	—
Screen-to-body ratio	90.6%	90.3%
HDR	Yes	Yes
Performance
Chipset	Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5	Qualcomm SM8750-AB Snapdragon 8 Elite
Chip maker	Qualcomm	Qualcomm
Process	3 nm	3 nm
CPU cores	8	8
CPU frequency	4.6 GHz	4.32 GHz
GPU	Adreno 840	Adreno 830
AnTuTu score	3,927,976	3,233,695
Geekbench 6 (multi-core)	11,033	10,224
Memory
RAM	16 GB	16 GB
Storage (max)	1,024 GB	512 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	50 MP
Main camera aperture	f/1.8	f/1.7
Main sensor size	1/1.56"	1/1.55"
Rear cameras	2	2
Optical stabilisation	Yes	Yes
Ultra-wide camera	No	Yes
Telephoto camera	Yes	No
Optical zoom	3.5×	—
Max video	8K	8K
4K video frame rate	120 fps	60 fps
Selfie camera	16 MP	20 MP
4K selfie video	No	No
Battery
Battery capacity	7,500 mAh	8,550 mAh
Battery type	Si/C	Si/C
Wired charging	100 W	100 W
Charged in 30 min	61%	—
Wireless charging	Yes	No
Wireless charging power	50 W	—
Connectivity
5G	Yes	Yes
eSIM	Yes	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 7	Wi-Fi 7
Bluetooth	6	5.4
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C
USB version	2	2
Video output	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
Sensors	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass	Fingerprint (under display, optical), accelerometer, proximity, gyro, compass
Software
OS at launch	Android 16	Android 16
Platform	Android	Android
Interface	OxygenOS 16 (Global)	HyperOS 3