Oppo A1 Pro vs TCL 20S

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100; CDMA2000 1x

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

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

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, 5, 8, 28, 41, 77, 78 SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, 750 Mbps download, 211 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

OLED

IPS LCD
Physical size

6.7 inches

6.67 inches
Resolution

1080 x 2412 pixels

1080 x 2400 pixels
Pixel density

394 ppi

395 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, 3D curved glass screen, AGC DT-Star2

Scratch resistant, 2.5D curved glass screen
Display features

120Hz, 500 nits (typ), 800 nits (HBM), 950 nits (peak)

Eye comfort mode

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, 12 GB

4, 6 GB
Internal storage

128, 256 GB

128, 256 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

1 TB

1 TB
Storage

UFS 2.2

-

Main camera
Camera type

Dual

Quad
Main camera

(wide) , 108 MP, f/1.7 , 84˚ , 24 mm, 1/1.67" , 0.64 µm

(wide) , 64 MP, f/1.8 , 26 mm, 1/2.0" , 0.7 µm
(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm

(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm, 13 mm
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

12000 x 9000 pixels

9280 x 6920 pixels
Primary camera video

1080p@30fps

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

LED flash

LED flash
Camera features

Autofocus, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase 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 , 82˚ , 1/3" , 1.0 µm

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

4608 x 3456 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock

-
Selfie camera video

1080p@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
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Direct

-

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; NFC-SIM, eSE, eID

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

-
QZSS

Yes

-