Oppo Reno 8 Z vs TCL 20B

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, 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, 3, 5, 7, 8, 20, 28, 38, 40, 41
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, Cat4, 151 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic frame, glass back

Glass front, plastic frame, plastic back
SIM

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

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

159.9 mm

164.7 mm
Width

73.2 mm

74.7 mm
Thickness

7.7 mm

8 mm
Weight

181 g

178 g
Build features

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

-
Colors

Black, Gold

Gray, Violet

Main camera
Camera type

Triple

Dual
Main camera

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

(wide) , 50 MP, f/1.85 , 79˚
(macro) , 2 MP, f/2.4 , 1.75 µm

(depth) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4 , 1.75 µm
Primary camera resolution

9280 x 6920 pixels

8190 x 6144 pixels
Primary camera video

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

1080p@30fps
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, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, night mode, AI scene detection 2.0

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.4 , 27 mm, 1.0 µm

8 MP, f/2.0 , 1.12 µm, 78˚ , 1/4"
Selfie camera resolution

4608 x 3456 pixels

3264 x 2448 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 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.1

v5.0
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

-
GALILEO

Yes

-
BDS

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, fingerprint, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

4000 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)

Yes, 18W
Reverse charging

Yes

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