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F31 Pro+ vs Redmi K80 Ultra

OPPO F31 Pro+ vs Xiaomi Redmi K80 Ultra

What F31 Pro+ does better (4) and where Redmi K80 Ultra wins (15) — every spec side by side.

OPPO · 2025F31 Pro+

9.0Score

4 advantages≈ $350

Xiaomi · 2025Redmi K80 Ultra

9.6Score

15 advantages≈ $330

Higher score

9.4Display9.7

7.8Camera9.0

9.2Battery9.5

7.4Features9.3

Dimensions

Size comparison

F31 Pro+Redmi K80 Ultra

	F31 Pro+	Redmi K80 Ultra	Difference
Height	163.1 mm	163.1 mm	=
Width	77.6 mm	77.9 mm	−0.3 mm
Thickness	7.7 mm	8.2 mm	−0.5 mm
Weight	204 g	219 g	−15 g

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

Why is F31 Pro+ better than Redmi K80 Ultra?

Weight204 g vs 219 g+7%
Selfie camera32 MP vs 20 MP+60%
Thickness7.7 mm vs 8.2 mm+6%
Main camera aperturef/1.8 vs f/1.9+6%

Why is Redmi K80 Ultra better than F31 Pro+?

Storage (max)256 GB vs 1,024 GB4×
Peak brightness1,600 nits vs 3,200 nits2×
NFCNo · F31 Pro+: Yes
RAM12 GB vs 16 GB+33%
Battery capacity7,000 mAh vs 7,410 mAh+6%
Wired charging80 W vs 100 W+25%
Refresh rate120 Hz vs 144 Hz+20%
CPU frequency2.63 GHz vs 3.63 GHz+38%
Rear cameras1 vs 22×
Ultra-wide cameraNo · F31 Pro+: Yes
Max video4K vs 8K
4K video frame rate30 fps vs 60 fps2×

Specifications

Side by side

Only differences	OPPO F31 Pro+≈ $3509.0	Xiaomi Redmi K80 Ultra≈ $3309.6
Design
Weight	204 g	219 g
Thickness	7.7 mm	8.2 mm
Height	163.1 mm	163.1 mm
Width	77.6 mm	77.9 mm
Frame	—	Aluminium
Back	—	Glass
Ingress protection	IP68	IP68
Water resistance (IPx)	IPx8	IPx8
Glass protection	AGC DT-Star D+	Scratch/drop-resistant glass
Colours	Festival Pink, Himalayan White, Gemstone Blue	Gray, White, Blue, Green
Display
Screen size	6.8″	6.8″
Panel	AMOLED	OLED
OLED panel	Yes	Yes
Resolution (width)	1,280 px	1,280 px
Resolution (height)	2,800 px	2,772 px
Pixel density	453 ppi	447 ppi
Refresh rate	120 Hz	144 Hz
Peak brightness	1,600 nits	3,200 nits
Screen-to-body ratio	89.1%	90.2%
HDR	—	Yes
Performance
Chipset	Qualcomm SM7550-AB Snapdragon 7 Gen 3	Mediatek Dimensity 9400+
Chip maker	Qualcomm	MediaTek
Process	4 nm	3 nm
CPU cores	8	8
CPU frequency	2.63 GHz	3.63 GHz
GPU	Adreno 720	Immortalis-G925
AnTuTu score	—	2,926,668
Geekbench 6 (multi-core)	—	9,174
Memory
RAM	12 GB	16 GB
Storage (max)	256 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	50 MP	50 MP
Main camera aperture	f/1.8	f/1.9
Main sensor size	—	1/1.55"
Rear cameras	1	2
Optical stabilisation	Yes	Yes
Ultra-wide camera	No	Yes
Telephoto camera	No	No
Max video	4K	8K
4K video frame rate	30 fps	60 fps
Selfie camera	32 MP	20 MP
4K selfie video	No	No
Battery
Battery capacity	7,000 mAh	7,410 mAh
Battery type	Si/C	Si/C
Wired charging	80 W	100 W
Charged in 30 min	63%	—
Wireless charging	No	No
Connectivity
5G	Yes	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 7
Bluetooth	5.2	5.4
NFC	No	Yes
USB	USB Type-C 2.0	USB Type-C
USB version	2	—
Infrared port	—	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
SAR (head)	1.16 W/kg	—
Software
OS at launch	Android 15	Android 15
Platform	Android	Android
Interface	ColorOS 15	HyperOS 2