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Model

Blackview OSCAL C20

Compare Blackview OSCAL C20 and TCL 30+

Blackview OSCAL C20 vs TCL 30+

Blackview OSCAL C20

Blackview OSCAL C20

TCL 30+

Blackview OSCAL C20

TCL 30+

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1900, 2100 - EMEA/APAC; 850, 900, 1700(AWS), 1900, 2100 - LATAM
4G network

-

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - EMEA; 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 38, 40, 66 - LATAM
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE, Cat4, 150 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2021-07

2022-02
Status

2021-07

2022-03

Design
Build

Plastic

Glass front, plastic frame, plastic back
SIM

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

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

155.4 mm

164.5 mm
Width

73.3 mm

75.2 mm
Thickness

9.75 mm

7.7 mm
Weight

152 g

184 g
Colors

Black, Blue, Green, Purple

Black, Blue

Display
Display type

IPS TFT

AMOLED
Physical size

6.09 inches

6.7 inches
Resolution

720 x 1560 pixels

1080 x 2400 pixels
Pixel density

282 ppi

393 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen

Scratch resistant, 2.5D curved glass screen

Hardware
CPU

-

Octa-core
CPU

Quad-core 1.3 GHz Cortex-A7

Quad-core 2.3 GHz Cortex-A53
CPU(second)

quad-core 1.8 GHz Cortex-A53
Chipset

Unisoc SC7731E

Mediatek MT6765V/CB Helio G37
GPU

Mali-820 MP1

PowerVR GE8320
Memory RAM

1 GB

4 GB
Internal storage

32 GB

128 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

128 GB

1 TB
Storage

eMMC 5.0

-

OS
OS

Doke OS 2.0 (Android 11 Go Edition)

Android 12, TCL UI 4.0

Main camera
Camera type

Single

Triple
Main camera

5 MP, f/2.0

50 MP, f/1.9 , (wide) , 28 mm, 1/2.76" , 0.64 µm
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

2560 x 1944 pixels

8190 x 6120 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

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

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

2 MP

13 MP, (ultrawide) , f/2.3 , 19 mm, 1/3" , 1.12 µm
Selfie camera resolution

1920 x 1080 pixels

4160 x 3120 pixels
Selfie camera features

Face unlock

Face unlock
Selfie camera video

720p@30fps

1080p@30fps

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes

Yes
Earpiece

Yes

Yes

Multimedia
Radio

FM Radio

FM Radio

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

Yes

-
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
NFC

No

Yes (T676K only)
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

Yes

Yes

Features
Sensors

Accelerometer, light, proximity

Accelerometer, compass, fingerprint, proximity

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

3380 mAh

5010 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

-

Yes, 18W

Tests and performance
Antutu

23006 (v8)

135000 (v9)
Geekbench(single-core)

59 (v5.2)

-
Geekbench(multi-core)

185 (v5.2)

-

Cost
Price

70 USD

250 USD

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