Samsung Galaxy S20 vs vivo iQOO Z3

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA

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

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

HSDPA 850, 900, 1700(AWS), 2100; CDMA2000 1x
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100)

LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G network

-

5G band 1, 28, 41, 77, 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
LTE speed

LTE-A (7CA), Cat20, 2000 Mbps download, 200 Mbps upload

LTE-A, 1200 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front glass(Gorilla Glass 6), back glass(Gorilla Glass 6), aluminium frame

Aluminium alloy, glass
SIM

Single SIM (Nano-SIM and/or eSIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)

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

151.7 mm

164 mm
Width

69.1 mm

75.3 mm
Thickness

7.9 mm

8.5 mm
Weight

163 g

185.5 g
Payment

Samsung Pay

-
Waterproof

IP68, 1.5m for 30 mins

-
Dust proof

IP68

-
Colors

Blue, Grey, Pink

Black, Blue, Silver

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core / Single-core 2.73 / 2.84 GHz Mongoose M5 / Kryo 585

Single-core 2.8 GHz Kryo 475 Prime
CPU(second)

Dual-core / Triple-core 2.50 / 2.42 GHz Cortex-A76 / Kryo 585

Single-core 2.4 GHz Kryo 475 Gold
CPU(third)

Quad-core / Quad-core 2.0 / 1.8 GHz Cortex-A55 / Kryo 585

Hexa-core 1.80 GHz Kryo 475 Silver
Chipset

Exynos 990 - global / Qualcomm SM8250 Snapdragon 865 - USA

Qualcomm SDM768 Snapdragon 768G 5G
GPU

Mali-G77 MP11 - global / Adreno 650 - USA

Adreno 620
Memory RAM

8 GB

6, 8 GB
Internal storage

128 GB

128, 256 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

1 TB

1 TB
Storage

UFS 3.0

UFS 2.2

Main camera
Camera type

Triple

Triple
Main camera

12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 µm, 3x hybrid optical zoom

64 MP, f/1.8 , 26 mm, 1/1.7x" , 0.8 µm, (wide)
64 MP, f/2.0 , 1/1.72" , 0.8 µm

8 MP, f/2.2 , 1/4.0" , 1.12 µm, (ultrawide) , 120˚ , 16 mm
12 MP, f/2.2 , 13 mm, 1.4 µm

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

4032 x 3024 pixels

9280 x 6920 pixels
Primary camera video

4320p@24fps, 2160p@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS

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

LED flash

LED flash
Camera features

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

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

Selfie camera
Selfie camera type

-

Single
Selfie camera

10 MP, f/2.2 , 26 mm, 1/3.2" , 1.22 µm

16 MP, f/2.0 , 1/3.1" , 1.0 µm, (wide)
Selfie camera resolution

3840 x 2160 pixels

4608 x 3456 pixels
Selfie camera features

-

Face unlock
Selfie camera video

2160p@30/60fps, 1080p@30fps

1080p@30fps

Connectivity
WLAN

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

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

Yes
USB

Type-C 1.0 reversible connector

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

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

-
BDS

-

Yes

Features
Sensors

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity
Power bank function

Yes

-