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Reno15 Pro Max vs Redmi K90 Ultra

OPPO Reno15 Pro Max vs Xiaomi Redmi K90 Ultra

What Reno15 Pro Max does better (9) and where Redmi K90 Ultra wins (12) — every spec side by side.

OPPO · 2026Reno15 Pro Max

9.6Score

9 advantages

Xiaomi · 2026Redmi K90 Ultra

9.6Score

12 advantages≈ $420

Higher score

9.0Display9.8

8.5Performance9.6

9.7Camera9.0

9.6Battery9.6

9.5Features9.3

Dimensions

Size comparison

Reno15 Pro MaxRedmi K90 Ultra

	Reno15 Pro Max	Redmi K90 Ultra	Difference
Height	161.3 mm	162.9 mm	−1.6 mm
Width	76.5 mm	77.9 mm	−1.4 mm
Thickness	7.7 mm	8.2 mm	−0.5 mm
Weight	205 g	227 g	−22 g

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

Why is Reno15 Pro Max better than Redmi K90 Ultra?

Main camera200 MP vs 50 MP4×
Telephoto cameraYes · Redmi K90 Ultra: No
Wireless chargingYes · Redmi K90 Ultra: No
Selfie camera50 MP vs 20 MP2.5×
4K selfie videoYes · Redmi K90 Ultra: No
eSIMYes · Redmi K90 Ultra: No
Weight205 g vs 227 g+11%
Rear cameras3 vs 2+50%
Thickness7.7 mm vs 8.2 mm+6%

Why is Redmi K90 Ultra better than Reno15 Pro Max?

AnTuTu score2,131,620 vs 3,233,695+52%
Peak brightness1,800 nits vs 9,500 nits5.3×
Battery capacity6,500 mAh vs 8,550 mAh+32%
Geekbench 6 (multi-core)6,321 vs 10,224+62%
Refresh rate120 Hz vs 165 Hz+38%
RAM12 GB vs 16 GB+33%
Wired charging80 W vs 100 W+25%
CPU frequency3.25 GHz vs 4.32 GHz+33%
Max video4K vs 8K
Process4 nm vs 3 nm+33%
Wi-Fi standardWi-Fi 6 vs Wi-Fi 7+17%
Main camera aperturef/1.8 vs f/1.7+6%

Specifications

Side by side

Only differences	OPPO Reno15 Pro Max9.6	Xiaomi Redmi K90 Ultra≈ $4209.6
Design
Weight	205 g	227 g
Thickness	7.7 mm	8.2 mm
Height	161.3 mm	162.9 mm
Width	76.5 mm	77.9 mm
Frame	Aluminium	Aluminium
Back	Glass	—
Ingress protection	IP68	IP68
Water resistance (IPx)	IPx8	IPx8
Glass protection	Corning Gorilla Glass Victus 2	—
Colours	Dusk Brown, Aura Gold	Black, Blue, Silver
Display
Screen size	6.8″	6.8″
Panel	AMOLED	AMOLED
OLED panel	Yes	Yes
Resolution (width)	1,272 px	1,280 px
Resolution (height)	2,772 px	2,772 px
Pixel density	450 ppi	447 ppi
Refresh rate	120 Hz	165 Hz
Peak brightness	1,800 nits	9,500 nits
Screen-to-body ratio	91.1%	90.3%
HDR	Yes	Yes
Performance
Chipset	Mediatek Dimensity 8450	Qualcomm SM8750-AB Snapdragon 8 Elite
Chip maker	MediaTek	Qualcomm
Process	4 nm	3 nm
CPU cores	8	8
CPU frequency	3.25 GHz	4.32 GHz
GPU	Mali-G720 MC7	Adreno 830
AnTuTu score	2,131,620	3,233,695
Geekbench 6 (multi-core)	6,321	10,224
Memory
RAM	12 GB	16 GB
Storage (max)	512 GB	512 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	50 MP
Main camera aperture	f/1.8	f/1.7
Main sensor size	1/1.56"	1/1.55"
Rear cameras	3	2
Optical stabilisation	Yes	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	Yes	No
Optical zoom	3.5×	—
Max video	4K	8K
4K video frame rate	60 fps	60 fps
Selfie camera	50 MP	20 MP
4K selfie video	Yes	No
Battery
Battery capacity	6,500 mAh	8,550 mAh
Battery type	Si/C	Si/C
Wired charging	80 W	100 W
Charged in 30 min	59%	—
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 6	Wi-Fi 7
Bluetooth	5.4	5.4
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C
USB version	2	2
Infrared port	Yes	Yes
Dual-band GPS	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	No
Fingerprint sensor	Under display	Under display
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (under display, optical), accelerometer, proximity, gyro, compass
Software
OS at launch	Android 16	Android 16
Platform	Android	Android
Interface	ColorOS 16	HyperOS 3