HTC U23 Pro vs vivo V21

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, 3, 5, 7, 8, 12, 17, 20, 28, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 39, 40, 41
5G network

5G band 1, 3, 7, 20, 28, 41, 78 SA/NSA

-
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, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Glass front, plastic frame, plastic back
SIM

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

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

166.6 mm

159.7 mm
Width

77.1 mm

73.9 mm
Thickness

8.9 mm

7.3 mm
Weight

205 g

176 g
Colors

Black, White

Blue, Sunset Dazzle

Display
Display type

OLED

AMOLED
Physical size

6.7 inches

6.44 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

393 ppi

409 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass Victus

Scratch resistant, 2.5D curved glass screen
Display features

120Hz

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.4 GHz Cortex-A710

Dual-core 2.4 GHz Cortex-A76
CPU(second)

Triple-core 2.36 GHz Cortex-A710

Hexa-core 2.0 GHz Cortex-A55
CPU(third)

Quad-core 1.8 GHz Cortex-A510
Chipset

Qualcomm SM7450-AB Snapdragon 7 Gen 1

MediaTek MT6853 Dimensity 800U 5G
GPU

Adreno 644

Mali-G57 MC3
Memory RAM

8, 12 GB

8 GB
Internal storage

256 GB

128 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

-

1 TB
Storage

-

UFS 2.2

Main camera
Camera type

Quad

Triple
Main camera

(wide) , 108 MP, f/1.7

(wide) , 64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm
(ultrawide) , 8 MP, f/2.4 , 1/4.0" , 1.12 µm

(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm, 120˚ , 16 mm
(macro) , 5 MP, f/2.4

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

12000 x 9000 pixels

9280 x 6920 pixels
Primary camera video

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

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

dual-LED flash

LED flash
Camera features

Autofocus, 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

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) , 32 MP, f/2.5 , 1/2.8" , 0.8 µm

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

6560 x 4928 pixels

-
Selfie camera features

Face unlock, face detection, HDR

Autofocus, face unlock, HDR
Selfie camera video

1080p@30fps

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 3.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.2

v5.1
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

Yes
BDS

Yes

Yes