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Ace 5 Ultra vs Redmi K80 Ultra

OnePlus Ace 5 Ultra vs Xiaomi Redmi K80 Ultra

What Ace 5 Ultra does better (3) and where Redmi K80 Ultra wins (6) — every spec side by side.

OnePlus · 2025Ace 5 Ultra

9.5Score

3 advantages≈ $330

Xiaomi · 2025Redmi K80 Ultra

9.6Score

6 advantages≈ $330

Higher score

9.5Display9.7

9.2Performance9.3

8.6Camera9.0

9.4Battery9.5

8.3Features9.3

Dimensions

Size comparison

Ace 5 UltraRedmi K80 Ultra

	Ace 5 Ultra	Redmi K80 Ultra	Difference
Height	163.4 mm	163.1 mm	+0.3 mm
Width	77 mm	77.9 mm	−0.9 mm
Thickness	8.1 mm	8.2 mm	−0.1 mm
Weight	206 g	219 g	−13 g

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

Why is Ace 5 Ultra better than Redmi K80 Ultra?

Weight206 g vs 219 g+6%
CPU frequency3.73 GHz vs 3.63 GHz+3%
Main camera aperturef/1.8 vs f/1.9+6%

Why is Redmi K80 Ultra better than Ace 5 Ultra?

Peak brightness1,400 nits vs 3,200 nits2.3×
Battery capacity6,700 mAh vs 7,410 mAh+11%
Water resistance (IPx)IPx5 vs IPx8+60%
Geekbench 6 (multi-core)8,564 vs 9,174+7%
Max video4K vs 8K
Selfie camera16 MP vs 20 MP+25%

Specifications

Side by side

Only differences	OnePlus Ace 5 Ultra≈ $3309.5	Xiaomi Redmi K80 Ultra≈ $3309.6
Design
Weight	206 g	219 g
Thickness	8.1 mm	8.2 mm
Height	163.4 mm	163.1 mm
Width	77 mm	77.9 mm
Frame	—	Aluminium
Back	—	Glass
Ingress protection	IP65	IP68
Water resistance (IPx)	IPx5	IPx8
Glass protection	Crystal Shield Glass	Scratch/drop-resistant glass
Colours	Blue, Black, Titanium	Gray, White, Blue, Green
Display
Screen size	6.8″	6.8″
Panel	AMOLED	OLED
OLED panel	Yes	Yes
Resolution (width)	1,272 px	1,280 px
Resolution (height)	2,800 px	2,772 px
Pixel density	450 ppi	447 ppi
Refresh rate	144 Hz	144 Hz
Peak brightness	1,400 nits	3,200 nits
Screen-to-body ratio	90.1%	90.2%
HDR	Yes	Yes
Performance
Chipset	Mediatek Dimensity 9400+	Mediatek Dimensity 9400+
Chip maker	MediaTek	MediaTek
Process	3 nm	3 nm
CPU cores	8	8
CPU frequency	3.73 GHz	3.63 GHz
GPU	Immortalis-G925 MC12	Immortalis-G925
AnTuTu score	2,948,304	2,926,668
Geekbench 6 (multi-core)	8,564	9,174
3DMark Wild Life Extreme	5,144	—
Memory
RAM	16 GB	16 GB
Storage (max)	1,024 GB	1,024 GB
Storage (base)	256 GB	256 GB
Storage type	UFS 4.0	UFS 4.1
Memory card slot	No	No
Camera
Main camera	50 MP	50 MP
Main camera aperture	f/1.8	f/1.9
Main sensor size	1/1.56"	1/1.55"
Rear cameras	2	2
Optical stabilisation	Yes	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	No	No
Max video	4K	8K
4K video frame rate	60 fps	60 fps
Selfie camera	16 MP	20 MP
4K selfie video	No	No
Battery
Battery capacity	6,700 mAh	7,410 mAh
Battery type	Si/C	Si/C
Wired charging	100 W	100 W
Charged in 30 min	77%	—
Wireless charging	No	No
Connectivity
5G	Yes	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 7	Wi-Fi 7
Bluetooth	5.4	5.4
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C
USB version	2	—
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	Under display, ultrasonic
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Software
OS at launch	Android 15	Android 15
Platform	Android	Android
Interface	ColorOS 15	HyperOS 2