Xiaomi 12X vs OnePlus 9 Pro

73 out of 100

76 out of 100

Here we compared two flagship smartphones: the 6.28-inch Xiaomi 12X (with Qualcomm Snapdragon 870) that was released on December 28, 2021, against the OnePlus 9 Pro, which is powered by Qualcomm Snapdragon 888 and came out 9 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Differences
Review
Specs
Benchmarks
Battery life
Camera
Comments

Key differences

An overview of the main advantages of each smartphone

Reasons to consider the Xiaomi 12X

Shows 12% longer battery life (35:28 vs 31:39 hours)
Slow-motion recording at 960FPS
Weighs 21 grams less
The phone is 9-months newer
Has a built-in infrared port

Reasons to consider the OnePlus 9 Pro

Waterproof body (IP68 classification)
The rear camera has a 3.3x optical zoom
25% higher pixel density (525 vs 419 PPI)
Handles wireless charging up to 50W
Newer Bluetooth version (v5.2)
Has a 0.42 inch larger screen size
More energy-efficient CPU – Snapdragon 888
Reverse charging feature
19% faster in single-core GeekBench 6 test: 1492 and 1255 points

Review

Evaluation of Xiaomi 12X and OnePlus 9 Pro crucial features

Display

Screen quality, color accuracy, brightness

Type	AMOLED	AMOLED
Size	6.28 inches	6.7 inches
Resolution	1080 x 2400 pixels	1440 x 3216 pixels
Aspect ratio	20:9	20:9
PPI	419 ppi	525 ppi
Refresh rate	120 Hz	120 Hz
Adaptive refresh rate	No	Yes
Max rated brightness	500 nits	500 nits
Max rated brightness in HDR	1100 nits	1300 nits
HDR support	Yes, HDR10+	Yes, HDR10+
Screen protection	Gorilla Glass Victus	Corning Gorilla Glass 5
Screen-to-body ratio	89.2%	90.3%
Display features	- DCI-P3 - Always-On Display - DC Dimming	- DCI-P3 - Always-On Display - DC Dimming

RGB color space	98.6%	97.8%
PWM	523 Hz	192 Hz
Response time	1 ms	41.5 ms
Contrast	∞ Infinity	∞ Infinity

Height	152.7 mm (6.01 inches)	163.2 mm (6.43 inches)
Width	69.9 mm (2.75 inches)	73.6 mm (2.9 inches)
Thickness	8.16 mm (0.32 inches)	8.7 mm (0.34 inches)
Weight	176 g (6.21 oz)	197 g (6.95 oz)
Waterproof	No	IP68
Rear material	Glass	Glass
Frame material	Metal	Metal
Colors	Black, Blue, Pink	White, Black, Green
Fingerprint scanner	Yes, in-display	Yes, in-display

Chipset	Qualcomm Snapdragon 870	Qualcomm Snapdragon 888
Max clock	3200 MHz	2840 MHz
CPU cores	8 (1 + 3 + 4)	8 (1 + 3 + 4)
Architecture	- 4 cores at 1.8 GHz: Kryo 585 Silver (Cortex-A55) - 3 cores at 2.42 GHz: Kryo 585 Gold (Cortex-A77) - 1 core at 3.2 GHz: Kryo 585 Prime (Cortex-A77)	- 4 cores at 1.8 GHz: Kryo 680 Silver (Cortex-A55) - 3 cores at 2.42 GHz: Kryo 680 Gold (Cortex-A78) - 1 core at 2.84 GHz: Kryo 680 Prime (Cortex-X1)
L3 cache	4 MB	4 MB
Lithography process	7 nanometers	5 nanometers
Graphics	Adreno 650	Adreno 660
GPU shading units	1024	1024
GPU clock	670 MHz	840 MHz
FLOPS	~1372.1 GFLOPS	~1622 GFLOPS

CPU	230693	201729
GPU	219195	243518
Memory	151434	159120
UX	202860	194264
Total score	806981	805198

Max surface temperature	37.6 °C	45.6 °C
Stability	98%	58%
Graphics test	25 FPS	34 FPS
Graphics score	4254	5707

Web score	-	8580
Video editing	-	6053
Photo editing	-	28299
Data manipulation	-	9712
Writing score	-	15802

RAM size	8, 12 GB	8, 12 GB
Memory type	LPDDR5	LPDDR5
Memory clock	-	2750 MHz
Channels	2	4

Storage size	128, 256 GB	128, 256 GB
Storage type	UFS 3.1	UFS 3.1
Memory card	No	No

Operating system	Android 11 (Can be upgraded to Android 13)	Android 11 (Can be upgraded to Android 13)
ROM	MIUI 14	OxygenOS 13
OS size	29.3 GB	16 GB

Capacity	4500 mAh	4500 mAh
Max charge power	67 W	65 W
Battery type	Li-Po	Li-Po
Replaceable	No	No
Wireless charging	No	Yes (50 W)
Reverse charging	No	Yes, (wireless)
Fast charging	Yes (78% in 30 min)	Yes (100% in 32 min)
Full charging time	0:48 hr	0:32 hr

Battery life tests
Web browsing	13:05 hr	11:19 hr
Watching video	16:44 hr	12:04 hr
Gaming	05:31 hr	04:57 hr
Standby	104 hr	113 hr

Main camera
Matrix	50 megapixels	48 megapixels
Image resolution	8700 x 5800	8000 x 6000
Zoom	Digital	Optical, 3.3x
Flash	Dual LED	Dual LED
Stabilization	Optical	Optical
8K video recording	Up to 24FPS	Up to 30FPS
4K video recording	Up to 60FPS	Up to 120FPS
1080p video recording	Up to 60FPS	Up to 60FPS
Slow motion	960 FPS (720p)	480 FPS (720p)
Angle of widest lens	123°	140°
Lenses	3 (50 MP + 13 MP + 5 MP)	4 (48 MP + 8 MP + 50 MP + 2 MP)
Wide (main) lens	- 50 MP - Aperture: f/1.9 - Focal length: 26 mm - Pixel size: 1 micron - Sensor: 1/1.56", Sony IMX766 (Exmor-RS CMOS) - Phase autofocus (Dual Pixel) - Optical stabilization	- 48 MP - Aperture: f/1.8 - Focal length: 23 mm - Pixel size: 1.12 micron - Sensor: 1/1.43", Sony IMX789 (Exmor-RS CMOS) - Laser autofocus - Optical stabilization
Telephoto lens	-	- 8 MP - Aperture: f/2.4 - Focal length: 77 mm - Pixel size: 1 micron - Sensor: 1/4.4", Omnivision OV08A10 (PureCel) - Phase autofocus - Optical stabilization
Ultra-wide lens	- 13 MP - Aperture: f/2.4 - Pixel size: 1.12 micron - Sensor: 1/3.06", OmniVision OV13B10 (CMOS)	- 50 MP - Aperture: f/1.8 - Focal length: 14 mm - Pixel size: 1 micron - Sensor: 1/1.56", Sony IMX766 (Exmor-RS CMOS) - Phase autofocus
Macro lens	- 5 MP - Aperture: f/2.4 - Focal length: 50 mm - Pixel size: 1.12 micron - Phase autofocus - Optical stabilization	-
Depth lens	-	- 2 MP - Aperture: f/2.4
Camera features	- Bokeh mode - Pro mode	- Bokeh mode - Pro mode - RAW support
Samples	-	Photo samples of OnePlus 9 Pro from DxOMark

Selfie camera
Megapixels	32 megapixels	16 megapixels
Image resolution	6528 x 4896	4920 x 3264
Aperture	f/2.4	f/2.0
Focal length	26 mm	-
Pixel size	0.7 microns	1 microns
Sensor type	CMOS	Exmor-RS CMOS
Sensor size	1/3"	1/3.06"
Video resolution	1080p (Full HD) at 60 FPS	1080p (Full HD) at 30 FPS

Wi-Fi standard	Wi-Fi 6 (802.11 a/b/g/n/ac/ax)	Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features	- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display	- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	5.1	5.2
Bluetooth features	LE	LE, A2DP
USB type	USB Type-C	USB Type-C
USB version	2	3.1
USB features	- Charging - USB-Storage mode - OTG	- Charging - USB-Storage mode - OTG
GPS	GPS, GLONASS, Beidou, Galileo, NAVIC	GPS, GLONASS, Beidou, Galileo, SBAS
NFC *	Depends on the region	Yes
Infrared port	Yes	No

Number of SIM *	2	2
Type of SIM card	Nano	Nano
Multi SIM mode	Standby	Standby
eSIM support *	-	Yes
Hybrid slot	No	No
LTE Cat *	-	20
5G support	Yes	Yes

Speakers	Stereo	Stereo
Headphone audio jack	No	No
FM radio	No	No
Dolby Atmos	Yes	Yes

Category	Flagship	Flagship
Announced	December 2021	March 2021
Release date	December 2021	March 2021
SAR (head)	-	0.99 W/kg
SAR (body)	-	1.21 W/kg
Sensors	- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint
Bundled charger	Yes, 67 W	-

Xiaomi 12X vs OnePlus 9 Pro

Xiaomi 12X vs OnePlus 9 Pro

Key differences

Review

Value for money

Tests and specifications

Display

Design and build

Performance

Benchmarks

Memory

Software

Battery

Camera

DxOMark camera tests

Connectivity

Sound

Other

Conclusion