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surface-duo
mate-90
Display
Type
OLED
AMOLED
Size
6.75"
8.1"
Resolution
QHD+
QHD+
Refresh Rate
1440Hz
—
Brightness
—
—
Protection
Huawei Kunlun Glass 3
Corning Gorilla Glass 5
Platform
OS
HARMONYOS HarmonyOS 7.0
ANDROID Android 10, upgradable to Android 12
Chipset
Kirin 9030
Qualcomm SM8150 Snapdragon 855
CPU
—
Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU
—
Adreno 640
AnTuTu Score
—
—
Memory
RAM
12GB
6GB
Storage
256GB / 512GB / 1024GB
128GB / 256GB
Storage Type
—
UFS 3.0
Card Slot
No
No
Camera
Main Camera
50MP f/1.4
11MP f/2.0
Selfie Camera
13MP f/2.0
—
Video (Max)
4K, 1080p, gyro-EIS, OIS, HDR Vivid
4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR
OIS
Yes
No
Battery
Capacity
6,600 mAh
3,577 mAh
Wired Charging
66W
18W
Wireless Charging
50W
—
Fast Charging
—
—
Connectivity
Wi-Fi
Wi-Fi 7, Wi-Fi 6, Wi-Fi 5, Wi-Fi 4, Dual-band
Wi-Fi 5, Wi-Fi 4, Dual-band
Bluetooth
6.0
5.0
NFC
Yes
No
5G
Yes
No
USB
USB Type-C 3.1
USB Type-C 3.1
GPS
GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC
GPS
Body
Dimensions
161.9 x 75.7 x 8 mm (6.37 x 2.98 x 0.31 in)
Unfolded: 186.9 x 145.2 x 4.8 mm
Folded: 145.2 x 93.3 x 9.9 mm
Weight
217g
250g
Build
Glass (Kunlun Glass 3) / glass-fiber reinforced plastic back / aluminum frame
Glass (Gorilla Glass 5) / glass back
Water Resist
IP68
—
Colors
Black, White, Green, Pink
White