Xiaomi 12X vs OPPO A78 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Xiaomi 12X OPPO A78
Released · Mar 15, 2022
Released · Jan 07, 2023
6.3-inch · 2400x1080px
6.6-inch · 1612x720px
Triple camera
Dual camera
8GB · 128GB
4GB · 128GB
4500 mAh
5000 mAh
Check prices

Availability

Officially announced
Mar 15, 2022

Design

Dimensions
6.01 x 2.75 x 0.32 inches
152.7 x 69.9 x 8.16 mm
6.45 x 2.96 x 0.31 inches
163.8 x 75.1 x 8 m
Weight
6.21 oz / 176.0 g 6.63 oz / 188.0 g
Materials
Back: Glass
Frame: Aluminum
Resistance
Splash, Dust; IP54
Biometrics
Fingerprint (touch) Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key
Colors
Grey, Purple, Blue Glowing Black, Glowing Purple

Display

Size
6.3-inch, 89.30% screen-to-body 6.6-inch, 83.93% screen-to-body
Type
AMOLED, 120Hz, HDR, 1100 nits IPS LCD, 90Hz, 600 nits
Resolution
2400x1080px, 20:9 ratio, 419 PPI 1612x720px, 20:9 ratio, 269 PPI
Protection
Corning Gorilla Glass Victus

Hardware

System chip
Snapdragon 870 SM8250-AC (7 nm) Mediatek Dimensity 700 (7 nm)
Processor
Octa-core
1x3.20GHz Kryo 585
3x2.42GHz Kryo 585
4x1.80GHz Kryo 585
Octa-core
2x2.2GHz Cortex-A76
6x2.0G​Hz Cortex-A5
GPU
Adreno 650 Mali-G57 MC2
Memory
8GB (LPDDR5)/128GB (UFS 3.1)
8GB/256GB
4GB/128GB
Storage expansion
not expandable microSDXC
OS
Android (11) Android (14, 13, 12)

Battery

Type
4500 mAh 5000 mAh
Charging
Fast charging
Charge speed
Wired: 67.0W Wired: 33.0W

Camera

Rear
Triple camera Dual camera
Main camera
50 MP (OIS, PDAF)
Aperture size: F1.9
Pixel size: 1.0 μm
50 MP (PDAF)
Aperture size: F1.8
Focal length: 27 mm
Second camera
13 MP (Ultra-wide)
Aperture size: F2.4
2 MP (Depth information)
Third camera
5 MP (Telephoto, Macro)
Focal Length: 50 mm
Flash
Dual LED LED
Video recording
8K UHD (24 fps), 4K UHD (30 fps), 1080p (960 fps)
EIS
Yes
Front
32 MP
Video capture: 1080p
8 MP

Connectivity & Features

Bluetooth
5.1 5.3
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 Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, 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, Cell ID, Wi-Fi positioning
Other
NFC, Infrared NFC

Multimedia

Headphones
No 3.5mm jack 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 5G Ready
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66
4G (TDD) Bands
38, 39, 40, 41, 42, 48
3G Bands
1, 2, 4, 5, 6, 8
Data Speed
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
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