Oppo A1x vs vivo Y55 5G

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100; CDMA2000 1x

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 3, 5, 8, 28, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 39, 40, 41
5G network

5G band 1, 5, 8, 28, 41, 77, 78 SA/NSA

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 78 SA/NSA
HSDPA speed

42.2 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

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

LTE-A

LTE-A, Cat4, 151 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD

IPS LCD
Physical size

6.56 inches

6.58 inches
Resolution

720 x 1612 pixels

1080 x 2408 pixels
Pixel density

269 ppi

401 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Panda One / Rainbow One glass

-
Display features

90Hz, 480 nits (typ), 600 nits (HBM)

-

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 13 MP, f/2.2 , 25 mm

(wide) , 50 MP, f/1.8 , 26 mm
(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm

(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

4160 x 3120 pixels

8190 x 6144 pixels
Primary camera video

1080p@30fps

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

LED flash

dual-LED flash
Camera features

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

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, RAW

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 77˚ , 27 mm, 1/4" , 1.12 µm

(wide) , 8 MP, f/1.8
Selfie camera resolution

3264 x 2448 pixels

3264 x 2448 pixels
Selfie camera features

Face unlock

-
Selfie camera video

1080p@30fps

1080p@30fps

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
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.3

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes