Blackview BL8800 vs Realme C21

Blackview BL8800

Realme C21

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 66

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, polycarbonate, TPU

Glass front, plastic back, plastic frame
SIM

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

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

176.2 mm

165.2 mm
Width

83.5 mm

76.4 mm
Thickness

17.7 mm

8.9 mm
Weight

367 g

190 g
Waterproof

IP68/IP69K, 1.5m and 30 minutes

-
Dust proof

IP68/IP69K

-
MIL-STD-810H

Yes

-
Colors

Black, Green, Orange

Black, Blue

Display
Display type

IPS LCD

IPS LCD
Physical size

6.58 inches

6.5 inches
Resolution

1080 x 2408 pixels

720 x 1600 pixels
Pixel density

401 ppi

270 ppi
Display colors

16777216

16777216
Protection

Scratch resistant

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

OS
OS

Android 11, Doke-OS 3.0

Android 10, Realme UI 1.0 / Android 11, Realme UI 2.0

Main camera
Camera type

Quad

Triple
Main camera

(wide) , 50 MP, f/1.8 , 0.64 µm

(wide) , 13 MP, f/2.2 , 1.12 µm, 26 mm, 1/3.06"
(ultrawide) , 8 MP, f/2.2 , 117˚

(macro) , 2 MP, f/2.4
(IR camera) , 20 MP, f/1.8

(depth) , 2 MP, f/2.4
(depth) , 2 MP
Primary camera resolution

8160 x 6144 pixels

2560 x 1920 pixels
Primary camera video

1440p@30fps

1080p@30fps
Primary camera flash

dual-LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, night mode 2.0, HDR 2.0, underwater 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, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.0 , 1/3" , 1.0 µm

(wide) , 5 MP, f/2.2 , 1/5.0" , 1.12 µm
Selfie camera resolution

4608 x 3456 pixels

2560 x 1920 pixels
Selfie camera features

Face unlock, HDR

Face unlock, HDR, panorama
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 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

-
USB

Type-C 2.0

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

Yes