Blackview BV4900S vs Nokia XR21

Blackview BV4900S

Nokia XR21

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

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

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71
5G network

-

5G band 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77, 78, 79 SA/NSA
HSDPA speed

42.2 Mbps

45.4 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE-A, 750 Mbps download, 211 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Polycarbonate, rubber, silicone

Glass front (Gorilla Glass Victus), plastic back, plastic frame
SIM

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

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

157.5 mm

168 mm
Width

78.1 mm

78.6 mm
Thickness

13.7 mm

10.6 mm
Weight

261 g

231 g
Waterproof

IP68

IP68/IP69K (1.5m and 60 mins)
Dust proof

IP68

IP68/IP69K
MIL-STD-810G

Yes

-
MIL-STD-810H

-

Yes
Colors

Black, Green, Orange, Yellow

Black, Green

Display
Display type

IPS TFT

IPS LCD
Physical size

5.7 inches

6.49 inches
Resolution

720 x 1440 pixels

1080 x 2400 pixels
Pixel density

282 ppi

406 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Asahi Dragontrail glass

2D curved glass screen, Corning Gorilla Glass Victus

Main camera
Camera type

Single

Dual
Main camera

8 MP, f/2.4

64 MP, f/1.8 , (wide) , 1/2"
(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm
Primary camera resolution

3264 x 2448 pixels

9280 x 6920 pixels
Primary camera video

1080p@30fps

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

LED flash

dual-LED dual-tone 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, geotagging, panorama, HDR, touch focus, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, speedwarp

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, 802.11ax
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

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX Adaptive
NFC

Yes

Yes (market dependent)
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes
NavIC

-

Yes

Features
Sensors

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

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity