Wiko Y81 vs vivo iQOO 9T

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 800, 850, 900, 1700, 1800, 1900
4G network

LTE frequency band 1, 3, 5, 7, 8, 20, 40

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 5, 8, 28, 40, 41, 77, 78
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

LTE-A, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, metal

Glass front (Gorilla Glass 5), aluminum frame, glass back
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

157.9 mm

165 mm
Width

76.1 mm

77 mm
Thickness

8.3 mm

8 mm
Weight

166 g

206 g
Colors

Blue, Gold, Green

Alpha, Legend (BMW M branding)

Display
Display type

IPS LCD

AMOLED
Physical size

6.2 inches

6.78 inches
Resolution

720 x 1520 pixels

1080 x 2400 pixels
Pixel density

271 ppi

388 ppi
Display colors

16777216

1073741824
Protection

2.5D curved glass screen

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
Display features

-

120Hz, HDR10+, 1500 nits (peak)

Main camera
Camera type

Single

Triple
Main camera

13 MP, f/1.8

50 MP, f/1.9 , (wide) , 1/1.57" , 1.0 µm, 20x digital zoom
(telephoto) , 12 MP, f/2.0 , 47 mm, 2x optical zoom
120˚ , (ultrawide) , 13 MP, f/2.2 , 16 mm
Primary camera resolution

4160 x 3120 pixels

-
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30/60fps, gyro-EIS
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

Autofocus, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, RAW

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD, aptX Adaptive
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes