Realme C21 vs Sony Xperia 1 V

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
4G network

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66 - Europe; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 - USA; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 34, 38, 39, 40, 41, 46, 66 - Asia
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 - Europe; 1, 2, 3, 5, 7, 8, 20, 25, 28, 30, 38, 40, 41, 66, 71, 77, 78 SA/NSA/Sub6 - USA; 1, 3, 5, 7, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA/Sub6 - Asia
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

Design
Build

Glass front, plastic back, plastic frame

Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus), aluminum frame
SIM

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

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

165.2 mm

165 mm
Width

76.4 mm

71 mm
Thickness

8.9 mm

8.3 mm
Weight

190 g

187 g
Waterproof

-

IP65/IP68 (1.5m and 30 mins)
Dust proof

-

IP65/IP68
Colors

Black, Blue

Black, Green, Silver

Display
Display type

IPS LCD

OLED
Physical size

6.5 inches

6.5 inches
Resolution

720 x 1600 pixels

1644 x 3840 pixels
Pixel density

270 ppi

643 ppi
Display colors

16777216

1073741824
Protection

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

Corning Gorilla Glass Victus 2
Display features

-

120Hz, HDR BT.2020

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 48 MP, f/1.9 , 24 mm, 1/1.35" , 1.12 µm
(macro) , 2 MP, f/2.4

(telephoto) , 12 MP, f/2.3, f/2.8 , 85/125 mm, 1/3.5" , 3.5x-5.2 optical zoom
(depth) , 2 MP, f/2.4

(ultrawide) , 12 MP, f/2.2 , 124˚ , 16 mm, 1/2.5"
Primary camera resolution

2560 x 1920 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

4K@24/25/30/60/120fps HDR, 1080p@30/60/120fps; 5-axis gyro-EIS, OIS
Primary camera optics

-

Zeiss optics, Zeiss T* lens coating
Primary camera flash

LED flash

LED flash
Camera features

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

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, Real-time eye AF, Real-time object tracking, cinematography pro, 5-axis stabilization, videography pro, live streaming

Selfie camera
Selfie camera type

Single

-
Selfie camera

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

(wide) , 12 MP, f/2.0 , 1/4" , 1.25 µm, 24 mm
Selfie camera resolution

2560 x 1920 pixels

4032 x 3024 pixels
Selfie camera features

Face unlock, HDR, panorama

Face unlock, HDR, live streaming
Selfie camera video

1080p@30fps

4K@30fps, 1080p@30/60fps, 5-axis gyro-EIS

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 3.2, video output
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD, aptX Adaptive
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

Yes

Yes
QZSS

-

Yes