HTC 10 evo vs vivo Y81i

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

21.1 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE-A (2CA), Cat7, 300 Mbps download, 150 Mbps upload
LTE-A speed

LTE-A, (3CA) Cat9, 450 Mbps download, 50 Mbps upload

-
GPRS

Class 12

Yes
EDGE

Class 12

Yes

Main camera
Main camera

16 MP, f/2.0

13 MP, f/2.2
Primary camera resolution

-

4160 x 3120 pixels
Primary camera video

2160p@30fps (24-bit/192kHz audio), 720p@120fps

1080p@30fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

dual-LED flash

LED flash
Primary camera optical image stabilization

optical image stabilization

-
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

Auto-HDR, Geo-tagging, face detection, panorama, touch focus

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

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
Wi-Fi DLNA

Yes

-
USB

Type-C 1.0 reversible connector

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
BDS

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Mail

Push Mail

-
Java

No

-
Sensors

Fingerprint (front-mounted), accelerometer, compass, gyro, proximity

Accelerometer, compass, light, proximity