Realme GT3 vs vivo V21 5G

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 8, 34, 38, 40, 41 - India
5G network

5G band 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA

5G band 78 Sub6 - India
HSDPA speed

42.2 Mbps

42.2 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-A

LTE-A, 1200 Mbps download, 151 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, AG glass

Glass front, plastic frame, plastic back
SIM

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

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

163.9 mm

159.7 mm
Width

75.8 mm

73.9 mm
Thickness

8.9 mm

7.3 mm
Weight

199 g

176 g
Build features

Illuminated RGB (on the back)

-
Colors

Black, White

Blue, Sunset Dazzle, White

Display
Display type

AMOLED

AMOLED
Physical size

6.74 inches

6.44 inches
Resolution

1240 x 2772 pixels

1080 x 2400 pixels
Pixel density

451 ppi

409 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant, 2.5D curved glass screen
Display features

144Hz, HDR10+, 500 nits (typ), 1100 nits (HBM), 1400 nits (peak)

90Hz, HDR10+, 500 nits (typ)

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 50 MP, f/1.9 , 84˚ , 24 mm, 1/1.56" , 1.0 µm

(wide) , 64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 112˚ , 16 mm, 1/4.0" , 1.12 µm

(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm
(microscope) , 2 MP, f/3.3 , 20 mm

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

8190 x 6120 pixels

9280 x 6920 pixels
Primary camera video

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

4K@30fps (no OIS), 1080p@30/60fps
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

Autofocus, continuous shooting, digital 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, macro-mode, phase detection autofocus, hypershot 2.0, ProLight 2.0

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, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.5 , 78˚ , 25 mm, 1/3.09" , 1.0 µm

(wide) , 44 MP, f/2.0
Selfie camera resolution

4608 x 3456 pixels

-
Selfie camera features

Face unlock, HDR, digital image stabilization, panorama, face detection

Autofocus, face unlock, HDR
Selfie camera video

1080p@30fps, gyro-EIS

4K@30fps (no OIS), 1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.3

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
NFC

Yes (dual side)

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4600 mAh

4000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Yes, 240W (50% in 4 min, 100% in 10 min)

Yes (63% in 30 min)