HTC U23 vs Oppo Reno 8 Z

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 800, 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, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
5G network

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

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

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A (CA), 750 Mbps download, 211 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, glass

Glass front, plastic frame, glass back
SIM

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

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

166.6 mm

159.9 mm
Width

77.1 mm

73.2 mm
Thickness

8.9 mm

7.7 mm
Weight

202 g

181 g
Waterproof

IP67 (1.5m for 30 mins)

-
Dust proof

IP67

-
Build features

-

RGB ring lights around the cameras (notifications, charging progress)
Colors

Blue, Violet

Black, Gold

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.4 GHz Cortex-A710

Dual-core 2.2 GHz Kryo 660 Gold
CPU(second)

Triple-core 2.36 GHz Cortex-A710

Hexa-core 1.7 GHz Kryo 660 Silver
CPU(third)

Quad-core 1.8 GHz Cortex-A510
Chipset

Qualcomm SM7450-AB Snapdragon 7 Gen 1

Qualcomm SM6375 Snapdragon 695 5G
GPU

Adreno 644

Adreno 619
Memory RAM

8 GB

8 GB
Internal storage

128 GB

128 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Storage

-

UFS 2.2

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 64 MP, f/1.9

(wide) , 64 MP, f/1.7 , 79˚ , 26 mm, 1/2" , 0.7 µm
(ultrawide) , 8 MP, f/2.4 , 120˚ , 1/4.0" , 1.12 µm

(macro) , 2 MP, f/2.4 , 1.75 µm
(depth) , 2 MP, f/2.4

(depth) , 2 MP, f/2.4 , 1.75 µm
Primary camera resolution

9280 x 6920 pixels

9280 x 6920 pixels
Primary camera video

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

1080p@30fps, 720p@30/120fps, EIS
Primary camera flash

dual-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, macro-mode, phase detection autofocus

Autofocus, continuous 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, contrast detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 32 MP, f/2.5 , 1/2.8" , 0.8 µm

(wide) , 16 MP, f/2.4 , 1.0 µm, 27 mm
Selfie camera resolution

6560 x 4928 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, face detection, HDR

Face unlock, HDR
Selfie camera video

1080p@30fps

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, 802.11ax
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
Bluetooth AptX

-

aptX HD
NFC

Yes

Yes
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-Ion

Li-Po
Battery capacity

4600 mAh

4500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Yes, 30W

SuperVOOC 2.0, VOOC 3.0, 33W (31% in 15 min, 100% in 63 min)
Reverse charging

Yes

Yes
Wireless reverse charging

Yes, 5W

-
Fast wireless charging

Qi, 15W

-