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9 Pro vs 12S

OnePlus 9 Pro vs Xiaomi 12S

What 9 Pro does better (11) and where 12S wins (12) — every spec side by side.

OnePlus · 20219 Pro

9.0Score

11 advantages≈ $640

Higher score

Xiaomi · 202212S

8.7Score

12 advantages≈ $620

8.3Display7.5

7.6Performance7.9

9.5Camera9.2

6.9Battery7.2

8.9Features7.0

Dimensions

Size comparison

9 Pro12S

	9 Pro	12S	Difference
Height	163.2 mm	152.7 mm	+10.5 mm
Width	73.6 mm	69.9 mm	+3.7 mm
Thickness	8.7 mm	8.2 mm	+0.5 mm
Weight	197 g	179 g	+18 g

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

Why is 9 Pro better than 12S?

Water resistance (IPx)IPx8 vs IPx32.7×
Optical zoom3.3× vs 2.1×+57%
Pixel density525 ppi vs 419 ppi+25%
Rear cameras4 vs 22×
4K video frame rate120 fps vs 60 fps2×
Peak brightness1,300 nits vs 1,100 nits+18%
Screen size6.7″ vs 6.3″+7%
USB version3.1 vs 2+55%
Charged in 30 min103% vs 71%+45%
Resolution (width)1,440 px vs 1,080 px+33%
Main camera aperturef/1.8 vs f/1.9+6%

Why is 12S better than 9 Pro?

Storage (max)256 GB vs 512 GB2×
AnTuTu score1,185,805 vs 1,381,634+17%
3DMark Wild Life Extreme1,527 vs 2,760+81%
Geekbench 6 (multi-core)3,989 vs 4,676+17%
Main camera48 MP vs 50 MP+4%
Wired charging65 W vs 67 W+3%
Selfie camera16 MP vs 32 MP2×
CPU frequency2.84 GHz vs 3.19 GHz+12%
Weight197 g vs 179 g+10%
Process5 nm vs 4 nm+25%
Wi-Fi standardWi-Fi 6 vs Wi-Fi 6E+8%
Thickness8.7 mm vs 8.2 mm+6%

Specifications

Side by side

Only differences	OnePlus 9 Pro≈ $6409.0	Xiaomi 12S≈ $6208.7
Design
Weight	197 g	179 g
Thickness	8.7 mm	8.2 mm
Height	163.2 mm	152.7 mm
Width	73.6 mm	69.9 mm
Frame	Aluminium	Aluminium
Back	Glass	Glass
Ingress protection	IP68	IP53
Water resistance (IPx)	IPx8	IPx3
Glass protection	Corning Gorilla Glass 5	Corning Gorilla Glass Victus
Colours	Morning Mist, Forest Green, Stellar Black	Gray, White, Purple, Green
Display
Screen size	6.7″	6.3″
Panel	LTPO Fluid2 AMOLED	AMOLED
OLED panel	Yes	Yes
LTPO (adaptive 1–120 Hz)	Yes	—
Resolution (width)	1,440 px	1,080 px
Resolution (height)	3,216 px	2,400 px
Pixel density	525 ppi	419 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	1,300 nits	1,100 nits
Measured brightness	859 nits	—
Screen-to-body ratio	90.3%	89.2%
HDR	Yes	Yes
Performance
Chipset	Qualcomm SM8350 Snapdragon 888 5G	Qualcomm SM8475 Snapdragon 8+ Gen 1
Chip maker	Qualcomm	Qualcomm
Process	5 nm	4 nm
CPU cores	8	8
CPU frequency	2.84 GHz	3.19 GHz
GPU	Adreno 660	Adreno 730
AnTuTu score	1,185,805	1,381,634
Geekbench 6 (multi-core)	3,989	4,676
3DMark Wild Life Extreme	1,527	2,760
Memory
RAM	12 GB	12 GB
Storage (max)	256 GB	512 GB
Storage (base)	128 GB	128 GB
Storage type	UFS 3.1	UFS 3.1
Memory card slot	No	No
Camera
Main camera	48 MP	50 MP
Main camera aperture	f/1.8	f/1.9
Main sensor size	1/1.43"	1/1.28"
Rear cameras	4	2
Optical stabilisation	Yes	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	Yes	Yes
Optical zoom	3.3×	2.1×
Max video	8K	8K
4K video frame rate	120 fps	60 fps
Selfie camera	16 MP	32 MP
4K selfie video	No	No
Battery
Battery capacity	4,500 mAh	4,500 mAh
Battery type	Li-Po	Li-Po
Wired charging	65 W	67 W
Charged in 30 min	103%	71%
Wireless charging	Yes	Yes
Wireless charging power	50 W	50 W
Reverse wireless charging	Yes	Yes
Connectivity
5G	Yes	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 6E
Bluetooth	5.2	5.2
NFC	Yes	Yes
USB	USB Type-C 3.1	USB Type-C 2.0
USB version	3.1	2
Video output	Yes	—
Infrared port	—	Yes
Dual-band GPS	Yes	Yes
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	No
Loudspeaker loudness	-24.1 LUFS	—
Fingerprint sensor	Under display	Under display
Barometer	Yes	—
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
SAR (head)	0.99 W/kg	—
Software
OS at launch	Android 11	Android 12
Platform	Android	Android
Interface	OxygenOS 14	MIUI 13