Xiaomi 12X vs Xiaomi 14 Ultra Specs Comparison

Availability

Officially announced
Mar 15, 2022	Feb 22, 2024
Prices (MSRP)
	€1469

Design

Dimensions
6.01 x 2.75 x 0.32 inches 152.7 x 69.9 x 8.16 mm	6.35 x 2.96 x 0.36 inches 161.4 x 75.3 x 9.2 mm
Weight
6.21 oz / 176.0 g	7.75 oz / 219.8 g
Materials
Back: Glass Frame: Aluminum
Resistance
	Yes; IP68
Biometrics
Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Grey, Purple, Blue	Black, Blue, White, Titanium Gray

Display

Size
6.3-inch, 89.30% screen-to-body	6.7-inch, 90.18% screen-to-body
Type
AMOLED, 120Hz, HDR, 1100 nits	AMOLED, 120Hz, HDR, 3000 nits
Resolution
2400x1080px, 20:9 ratio, 419 PPI	3200x1440px, 20:9 ratio, 521 PPI
Protection
Corning Gorilla Glass Victus
Features
	HDR support, Dolby Vision, Ambient light sensor, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
Untested	1242 (Average)
Bright Min
Untested	1.9 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 870 SM8250-AC (7 nm)	Snapdragon 8 Gen 3 SM8650-AB (4 nm)
Processor
Octa-core 1x3.20GHz Kryo 585 3x2.42GHz Kryo 585 4x1.80GHz Kryo 585	Octa-core 1x3.3GHz Cortex-X4 5x3.2GH​z Cortex-A720 2x2.3​GHz Cortex-A520
GPU
Adreno 650	Adreno 750
Memory
8GB (LPDDR5)/128GB (UFS 3.1) 8GB/256GB	16GB (LPDDR5X)/512GB (UFS 4.0) 16GB/1024GB
Storage expansion
not expandable	not expandable
OS
Android (11)	Android (14)

PhoneArena Performance Test

GeekBench 6 Single
Untested	2294
GeekBench 6 Multi
Untested	7054
3D Mark High
Untested	4295
3D Mark Low
Untested	4018

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
4500 mAh	5000 mAh
Charging
Fast charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 67.0W	Wired: 90.0W Wireless: 80.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 32min

Browsing

15h 29min

Video

9h 9min

Gaming

9h 20min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Quad camera
Main camera
50 MP (OIS, PDAF) Aperture size: F1.9 Pixel size: 1.0 μm	50 MP (Autofocus, Laser and PDAF) Aperture size: F1.6/F4.0 Focal length: 23 mm Sensor size: 1" Pixel size: 1.6 μm
Second camera
13 MP (Ultra-wide) Aperture size: F2.4	50 MP (Ultra-wide) Aperture size: F1.8 Focal Length: 12 mm Sensor size: 1/2.51" Pixel size: 0.7 μm
Third camera
5 MP (Telephoto, Macro) Focal Length: 50 mm	50 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 5.0x Aperture size: F2.5 Focal Length: 120 mm Sensor size: 1/2.51" Pixel size: 0.7 μm
Fourth camera
	50 MP (Telephoto, OIS) Optical zoom: 3.2x Aperture size: F1.8 Focal Length: 75 mm Sensor size: 1/2.51" Pixel size: 0.7 μm
Flash
Dual LED	Dual LED
Video recording
8K UHD (24 fps), 4K UHD (30 fps), 1080p (960 fps) EIS	8K UHD (30 fps), 4K UHD (120 fps), 1080p (1920 fps)
Front
32 MP Video capture: 1080p	32 MP Video capture: 4K UHD (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

157

Overall

161

Photo

153

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.1	5.4
WLAN
a,b,g,n,ac,Wi-Fi 6 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7,tri-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC, Infrared	NFC, Infrared

Discover more

Full Specs Xiaomi 12X Specs

Full Specs Xiaomi 14 Ultra Specs PA Review Xiaomi 14 Ultra Review

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G Bands
n1, n3, n5, n8, n20, n28, n38, n40, n41, n66, n77, SA, NSA	n1, n2, n3, n5, n7, n8, n20, n28, n38, n40, n41, n48, n66, n77, n79, SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66	1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 66
4G (TDD) Bands
38, 39, 40, 41, 42, 48	38, 40, 41, 42, 48
3G Bands
1, 2, 4, 5, 6, 8	1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Dual Nano SIM	Dual Nano SIM

Alternative variants

With 256GB internal storage

Memory	256GB

With 1TB internal storage

Memory	1024GB