OnePlus 9 Pro vs Xiaomi 12

A spec-by-spec comparison of the OnePlus 9 Pro and the Xiaomi 12, taken from their full specification sheets. Green marks the better value in each measured row.

OnePlus 9 Pro

From $969

Full specs, price & review →

Xiaomi 12

From $272

Full specs, price & review →

Head to head

	OnePlus 9 Pro	Xiaomi 12
Price	$969	$272
Our rating	8/10	7/10
Battery	4,500 mAh	4,500 mAh
Wired charging	65W	67W
RAM (max)	12 GB	12 GB
Storage (max)	256 GB	256 GB
Screen size	6.7 in	6.28 in
Refresh rate	120 Hz	120 Hz
Main camera	50 MP	50 MP
Weight (lower is lighter)	197 g	179 g
Released	Mar 2021	Dec 2021

Summary: OnePlus 9 Pro is ahead on our rating, screen size. Xiaomi 12 is ahead on wired charging, weight (lower is lighter).

★ Which should you buy? Specs are close to an even split here, so Xiaomi 12 is the better buy — the extra cost of the other one isn't matched by a clear spec advantage.

Reviewed by the infozme.com Editorial Team — see how we research & rate phones.

Display

	OnePlus 9 Pro	Xiaomi 12
Type	LTPO Fluid2 AMOLED, 1B colors, 120Hz, HDR10+, 1300 nits (peak)	AMOLED, 120Hz, HDR10+, Dolby Vision, 1100 nits (peak)
Size	6.7 inches	6.28 inches
Resolution	1440 x 3216 pixels, 20:9 ratio (~525 ppi density)	1080 x 2400 pixels
Protection	Corning Gorilla Glass 5	Corning Gorilla Glass Victus

Platform

	OnePlus 9 Pro	Xiaomi 12
OS	Android 11, upgradable to Android 14, OxygenOS 14	Android 12, MIUI 13 (upgradable)
Chipset	Qualcomm Snapdragon 888 5G (5 nm)	Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm)
CPU	Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)	Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU	Adreno 660	Adreno 730

Memory

	OnePlus 9 Pro	Xiaomi 12
Card slot	No	No
Internal	128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM (UFS 3.1)	128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM (UFS 3.1)

Main Camera

	OnePlus 9 Pro	Xiaomi 12
Quad	48 MP, f/1.8, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, Laser AF, OIS (Sony IMX789); 50 MP, f/2.2, 14mm (ultrawide), 1/1.56", 1.0µm, AF (Sony IMX766); 8 MP, f/2.4, 77mm (telephoto), 1.0µm, PDAF, OIS, 3.3x optical zoom; 2 MP, f/2.4, (monochrome)	—
Features	Hasselblad Color Calibration, dual-LED flash, HDR, panorama	Dual-LED dual-tone flash, HDR, panorama
Video	8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS	8K@24fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Triple	—	50 MP, f/1.9, 26mm (wide), 1/1.56", 1.0µm, PDAF, OIS; 13 MP, f/2.4, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm; 5 MP, f/2.4, 50mm (telephoto macro), AF

Selfie Camera

	OnePlus 9 Pro	Xiaomi 12
Single	16 MP, f/2.4, (wide), 1/3.06", 1.0µm	32 MP, f/2.5, 26mm (wide), 0.7µm
Features	Auto-HDR	HDR, panorama
Video	1080p@30fps, gyro-EIS	1080p@30/60fps, 720p@120fps

Battery

	OnePlus 9 Pro	Xiaomi 12
Type	Li-Po 4500 mAh, non-removable	Li-Po 4500 mAh, non-removable
Charging	65W wired, PD, 1-100% in 29 min (advertised); 50W wireless, 1-100% in 43 min (advertised); Reverse wireless	67W wired, 50W wireless, 10W reverse wireless, Power Delivery 3.0, Quick Charge 4+

Body

	OnePlus 9 Pro	Xiaomi 12
Dimensions	163.2 x 73.6 x 8.7 mm	152.7 x 69.9 x 8.2 mm
Weight	197 g	179g (glass) or 180g (eco-leather)
Build	Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame	Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 5 or frosted glass) or eco-leather back, aluminum frame
SIM	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
IP Rating	IP68 dust/water resistant	—
Water Resistance	—	No official IP rating

Comms

	OnePlus 9 Pro	Xiaomi 12
WLAN	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth	5.2, A2DP, LE, aptX HD	5.2, A2DP, LE
Positioning	GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), SBAS	GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC	Yes	Yes (market/region dependent)
Radio	No	No
USB	USB Type-C 3.1, OTG	USB Type-C 2.0, OTG
Infrared port	—	Yes

Launch

	OnePlus 9 Pro	Xiaomi 12
Announced	March 23, 2021	2021, December 28
Status	Released March 30, 2021	Available. Released 2021, December 31

Frequently asked questions

Which is lighter, OnePlus 9 Pro or Xiaomi 12?

Xiaomi 12 — 197 g for the OnePlus 9 Pro versus 179 g for the Xiaomi 12.

Which is newer, OnePlus 9 Pro or Xiaomi 12?

Xiaomi 12 — Mar 2021 for the OnePlus 9 Pro versus Dec 2021 for the Xiaomi 12.

Is the OnePlus 9 Pro or the Xiaomi 12 rated higher?

We rate the OnePlus 9 Pro 8/10 and the Xiaomi 12 7/10.

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