Oppo A77s vs vivo X70

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

HSDPA 850, 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 5, 7, 8, 28, 38, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 40, 41 - global; 1, 2, 3, 4, 5, 7, 8, 28, 34, 38, 39, 40, 41 - China
5G network

-

5G band 1, 3, 5, 7, 28, 40, 41, 78 SA/NSA - global; 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA - China
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic frame, plastic back or eco leather back

Glass, Metal
SIM

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

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

163.8 mm

160.1 mm
Width

75 mm

75.4 mm
Thickness

8 mm

7.6 mm
Weight

187/190 g

181/182 g
Waterproof

IP54

-
Dust proof

IP54

-
Colors

Black, Orange

Aurora, Black, White

Display
Display type

IPS LCD

AMOLED
Physical size

6.56 inches

6.56 inches
Resolution

720 x 1612 pixels

1080 x 2376 pixels
Pixel density

269 ppi

398 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen

2.5D curved glass screen, Scratch resistant
Display features

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

120Hz, HDR10+

OS
OS

Android 12, ColorOS 12.1

Android 11, Funtouch OS 12 (global), OriginOS 1.0 (China)

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 50 MP, f/1.8 , 77˚

(wide) , 40 MP, f/1.9 , 1.0 µm
(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm

(telephoto) , 12 MP, f/2.0 , 1/2.93" , 1.22 µm, 50 mm, 2x optical zoom
116˚ , (ultrawide) , 12 MP, f/2.2 , 16 mm, 1.12 µm
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR10+
Primary camera optics

-

Zeiss optics
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

-

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, phase detection autofocus, laser autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 26 mm

(wide) , 32 MP, f/2.5 , 26 mm, 1/2.8" , 0.8 µm
Selfie camera resolution

3264 x 2448 pixels

6528 x 4896 pixels
Selfie camera features

Panorama

Face unlock
Selfie camera video

1080p@30fps

4K@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, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

aptX HD
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

-

Yes