Oppo A5 (2020) vs vivo X51 5G

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 800, 900, 2100

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

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 7, 8, 28, 38, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (2CA) Cat6, 400 Mbps download, 50 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.0 GHz Kryo 260 Gold

Single-core 2.4 GHz Kryo 475 Prime
CPU(second)

quad-core 1.8 GHz Kryo 260 Silver

Single-core 2.2 GHz Kryo 475 Gold
CPU(third)

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

Qualcomm SDM665 Snapdragon 665

Qualcomm SM7250 Snapdragon 765G
GPU

Adreno 610

Adreno 620
Internal storage

64, 128 GB

256 GB
Memory RAM

3, 4 GB

8 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

256 GB

-
Storage

UFS 2.1

UFS 2.1

Main camera
Camera type

Quad

Quad
Main camera

12 MP, f/1.8 , 1/2.8" , 1.25 µm

48 MP, f/1.6 , 1/1.2" , 0.8 µm, (wide)
8 MP, 13 mm, 1/4" , 1.12 µm

8 MP, 135 mm, 1/4.0" , (periscope telephoto) , f/3.4 , 5x optical zoom
2 MP, f/2.4 , 1/5" , 1.75 µm

13 MP, f/2.5 , 1/2.8" , 0.8 µm, (portrait) , 50 mm, 2x optical zoom
2 MP, f/2.4 , 1/5" , 1.75 µm

8 MP, f/2.2 , 1/4.0" , 1.12 µm, (ultrawide) , 120˚ , 16 mm
Primary camera resolution

4032 x 3024 pixels

8000 x 6000 pixels
Primary camera video

2160p@30fps, 1080p@30fps, gyro-EIS

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

LED flash

dual-LED dual-tone flash
Camera features

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

Autofocus, continuous shooting, digital 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
DxOMark photo

-

117
DxOMark zoom

-

67
DxOMark video

-

102
DxOMark camera score

-

114

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

-
BDS

-

Yes

Features
Sensors

Accelerometer, fingerprint, geomagnetic, gyroscope, light, proximity

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity