DEXP A555 vs vivo Y51a

DEXP A555

vivo Y51a

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 3, 7, 8, 20, 38

LTE frequency band 1, 3, 5, 8, 40
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE

LTE-A, 603 Mbps download, 151 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Single

Triple
Main camera

5 MP

48 MP, (wide) , f/1.8 , 1/2.0" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4
Primary camera resolution

2560 x 1944 pixels

8000 x 6000 pixels
Primary camera video

720p@30fps

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

LED flash

LED flash
Camera features

Autofocus, digital zoom, geotagging, panorama

Autofocus, continuous shooting, digital zoom, digital 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

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
NFC

No

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

-

Yes