OPPO A78 vs Xiaomi Poco X8 Pro Max vs Xiaomi 17 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.

Comparison mode:
Differences only
7.4
Xiaomi Poco X8 Pro Max
7.8
Xiaomi 17
OPPO A78 Xiaomi Poco X8 Pro Max Xiaomi 17
Released · Jan 07, 2023
Released · Mar 17, 2026
Released · Oct 27, 2025
6.6-inch · 1612x720px
6.8-inch · 2772x1280px
6.3-inch · 2656x1220px
Dual camera
Dual camera
Triple camera
4GB · 128GB
12GB · 256GB
12GB · 256GB
5000 mAh
8500 mAh
6330 mAh
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Availability

Officially announced
Mar 17, 2026 Oct 25, 2025
Prices (MSRP)
12GB/256GB - $469 12/256GB - €999

Design

Dimensions
6.45 x 2.96 x 0.31 inches
163.8 x 75.1 x 8 m
6.41 x 3.07 x 0.32 inches (~0.41 inches with camera bump)
162.9 x 77.9 x 8.2 mm (~10.30 mm with camera bump)
5.95 x 2.83 x 0.32 inches
151.1 x 71.8 x 8.1 mm
Weight
6.63 oz / 188.0 g 7.69 oz / 218.0 g 6.74 oz / 191.0 g
Materials
Back: Glass
Frame: Aluminum
Back: Glass
Frame: Aluminum
Resistance
Splash, Dust; IP54 Water, Dust; IP68 Water, Dust; IP68
Biometrics
Fingerprint (touch) Ultrasonic in-screen fingerprint Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Glowing Black, Glowing Purple Black, Blue, Pink, White

Display

Size
6.6-inch, 83.93% screen-to-body 6.8-inch, 90.22% screen-to-body 6.3-inch, 89.41% screen-to-body
Type
IPS LCD, 90Hz, 600 nits AMOLED, 120Hz, 3500 nits AMOLED, 120Hz, Dolby Vision, 3500 nits
Resolution
1612x720px, 20:9 ratio, 269 PPI 2772x1280px, 447 PPI 2656x1220px, 19.5:5 ratio, 464 PPI
Features
Ambient light sensor, Proximity sensor
PhoneArena Display Test
Bright Max (20% APL)
Untested 3362 (Excellent) 3412 (Excellent)
Bright Min
Untested 1.9 (Good) 1 (Excellent)

Hardware

System chip
Mediatek Dimensity 700 (7 nm) MediaTek Dimensity 9500 (3 nm) Snapdragon 8 Elite Gen 5 SM8850-AC (3 nm)
Processor
Octa-core
2x2.2GHz Cortex-A76
6x2.0G​Hz Cortex-A5
Octa-core
1x4.21GHz C1-Ultra
3x3.5GHz C1-Premium
4x2.7 GHz C1-Pro
Octa-core
2x4.6GHz Oryon V3 Phoenix L
6x3.62GHz Oryon V3 Phoenix M
GPU
Mali-G57 MC2 Mali G1-Ultra Adreno 840
Memory
4GB/128GB 12GB/256GB
12GB/512GB
12GB/256GB (UFS 4.1)
12GB/512GB
16GB/512GB
Storage expansion
microSDXC not expandable
OS
Android (14, 13, 12) Android (16) Android (16)
PhoneArena Performance Test
GeekBench 6 Single
Untested 2636 3489
GeekBench 6 Multi
Untested 8334 10303
3D Mark High
Untested 4194 6267
3D Mark Low
Untested 3416 4617

Battery

Type
5000 mAh 8500 mAh, Si - Carbon 6330 mAh, Si - Carbon
Charging
Fast charging
Qi wireless charging
Charge speed
Wired: 33.0W Wired: 100.0W Wired: 100.0W
Wireless: 50.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
10h 21min
Browsing
26h 6min
Video
15h 26min
Gaming
9h 55min
Battery Life Estimate
9h 48min
Browsing
24h 48min
Video
15h 41min
Gaming
6h 40min

Camera

Rear
Dual camera Dual camera Triple camera
Main camera
50 MP (PDAF)
Aperture size: F1.8
Focal length: 27 mm
50 MP (OIS, PDAF)
Aperture size: F1.5
50 MP
Aperture size: F1.7
Focal length: 23 mm
Sensor size: 1/1.31"
Second camera
2 MP (Depth information) 8 MP (Ultra-wide)
Aperture size: F2.2
50 MP (Ultra-wide)
Aperture size: F2.4
Focal Length: 17 mm
Sensor size: 1/2.76"
Pixel size: 0.64 μm
Third camera
50 MP
Optical zoom: 2.6x
Aperture size: F2.0
Focal Length: 60 mm
Sensor size: 1/2.76"
Pixel size: 0.64 μm
Flash
LED LED LED
Video recording
Yes Yes 8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps)
Front
8 MP 20 MP 50 MP

Connectivity & Features

Bluetooth
5.3 Yes 5.4
WLAN
Yes
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
Wi-Fi 6,Wi-Fi 7
Wi-Fi Direct, Hotspot
Wi-Fi 6,Wi-Fi 7
Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0 Type-C Type-C, USB 3.2
Sensors
Accelerometer, Ambient light sensor, Proximity sensor 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, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC NFC NFC, Infrared

Multimedia

Headphones
3.5mm jack No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple 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
5G Ready 5G Ready n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n77, n78, n80, n84, SA, NSA
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66
TDD Bands
34, 38, 39, 40, 41, 42, 48
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM Nano SIM Dual Nano SIM