Blackview BV4900S vs Realme Narzo 20A

Blackview BV4900S

Realme Narzo 20A

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 2100
4G network

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

LTE frequency band 1, 3, 5, 8, 38, 40, 41
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
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS TFT

IPS LCD
Physical size

5.7 inches

6.5 inches
Resolution

720 x 1440 pixels

720 x 1600 pixels
Pixel density

282 ppi

270 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Asahi Dragontrail glass

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
Display features

-

450 nits (typ)

Main camera
Camera type

Single

Triple
Main camera

8 MP, f/2.4

12 MP, f/1.8 , (wide) , 28 mm, 1/2.8" , 1.25 µm
(depth) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

3264 x 2448 pixels

4032 x 3024 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30fps, 480p@120fps
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, 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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

5 MP, f/2.2 , 1/4" , 1.4 µm

8 MP, f/2.0 , 1/4" , 1.12 µm, (wide) , 79˚ , 26 mm
Selfie camera resolution

2560 x 1920 pixels

3264 x 2448 pixels
Selfie camera features

Face unlock

Face unlock, HDR
Selfie camera video

720p@30fps

1080p@30fps