Oppo Reno 8 Z vs TCL 20S

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

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

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 38, 40, 41, 66
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 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 (CA), 750 Mbps download, 211 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic frame, glass back

Plastic
SIM

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

Nano-SIM
Height

159.9 mm

166.2 mm
Width

73.2 mm

76.9 mm
Thickness

7.7 mm

9.1 mm
Weight

181 g

199 g
Build features

RGB ring lights around the cameras (notifications, charging progress)

-
Colors

Black, Gold

Gray, Blue

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 660 Gold

Quad-core 2.0 GHz Kryo 260 Gold
CPU(second)

Hexa-core 1.7 GHz Kryo 660 Silver

quad-core 1.8 GHz Kryo 260 Silver
Chipset

Qualcomm SM6375 Snapdragon 695 5G

Qualcomm SM6125 Snapdragon 665
GPU

Adreno 619

Adreno 610
Memory RAM

8 GB

4, 6 GB
Internal storage

128 GB

128, 256 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

-

1 TB
Storage

UFS 2.2

-

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 64 MP, f/1.7 , 79˚ , 26 mm, 1/2" , 0.7 µm

(wide) , 64 MP, f/1.8 , 26 mm, 1/2.0" , 0.7 µm
(macro) , 2 MP, f/2.4 , 1.75 µm

(ultrawide) , 8 MP, f/2.2 , 1.12 µm, 13 mm, 1/4.0"
(depth) , 2 MP, f/2.4 , 1.75 µm

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

9280 x 6920 pixels

9280 x 6920 pixels
Primary camera video

1080p@30fps, 720p@30/120fps, EIS

4K@30fps, 1080p@30/120fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous 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, contrast detection autofocus

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

Single
Selfie camera

(wide) , 16 MP, f/2.4 , 27 mm, 1.0 µm

(wide) , 16 MP, f/2.2 , 28 mm, 1.0 µm, 1/3.06"
Selfie camera resolution

4608 x 3456 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, HDR

-
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 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 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC 2.0, VOOC 3.0, 33W (31% in 15 min, 100% in 63 min)

Quick Charge 3.0
Reverse charging

Yes

-
Talk time 4G

-

35 h