Blackview BV4900S vs TCL 20L

Blackview BV4900S

TCL 20L

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

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

LTE frequency band 1, 3, 7, 8, 20, 40

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - EU/MEA/APAC; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 38, 40, 41, 66, 71 - LATAM
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE-A, Cat6, 300 Mbps download, 50 Mbps upload
GPRS

Yes

Class 12
EDGE

Yes

Class 12

Design
Build

Polycarbonate, rubber, silicone

Glass front, plastic back, plastic frame
SIM

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

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

157.5 mm

166.2 mm
Width

78.1 mm

76.9 mm
Thickness

13.7 mm

9.1 mm
Weight

261 g

199 g
Waterproof

IP68

-
Dust proof

IP68

-
MIL-STD-810G

Yes

-
Colors

Black, Green, Orange, Yellow

Black, Blue

Display
Display type

IPS TFT

IPS LCD
Physical size

5.7 inches

6.67 inches
Resolution

720 x 1440 pixels

1080 x 2400 pixels
Pixel density

282 ppi

395 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Asahi Dragontrail glass

Scratch resistant, 2.5D curved glass screen
Display features

-

500 nits (peak)

Main camera
Camera type

Single

Quad
Main camera

8 MP, f/2.4

48 MP, f/2.0 , (wide) , 26 mm, 1/2.0" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 118˚ , 13 mm, 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

3264 x 2448 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

1080p@30/60fps
Primary camera flash

LED flash

LED flash
Camera features

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

Autofocus, continuous shooting, digital zoom, optical 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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

5 MP, f/2.2 , 1/4" , 1.4 µm

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

2560 x 1920 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock

-
Selfie camera video

720p@30fps

1080p@30/60fps

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, light, magnetometer, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity