vivo iQOO 9T vs vivo iQOO Z8x

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 800, 850, 900, 1700, 1800, 1900

HSDPA 850, 900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66

LTE frequency band 1, 3, 5, 8, 28, 34, 38, 39, 40, 41
5G network

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

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 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, Cat4, 150 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), aluminum frame, glass back

Glass, plastic
SIM

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

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

165 mm

164.6 mm
Width

77 mm

75.8 mm
Thickness

8 mm

9.1 mm
Weight

206 g

199.6 g
Colors

Alpha, Legend (BMW M branding)

Black, Blue, Silver

Display
Display type

AMOLED

IPS LCD
Physical size

6.78 inches

6.64 inches
Resolution

1080 x 2400 pixels

1080 x 2388 pixels
Pixel density

388 ppi

395 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5

Scratch resistant, 2.5D curved glass screen
Display features

120Hz, HDR10+, 1500 nits (peak)

120Hz

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.19 GHz Cortex-X2

Quad-core 2.2 GHz Cortex-A78
CPU(second)

Triple-core 2.75 GHz Cortex-A710

quad-core 1.8 GHz Cortex-A55
CPU(third)

Quad-core 1.80 GHz Cortex-A510
Chipset

Qualcomm SM8475 Snapdragon 8+ Gen 1

Qualcomm SM6450 Snapdragon 6 Gen 1
GPU

Adreno 730

Adreno 710
Memory RAM

8, 12 GB

8, 12 GB
Internal storage

128, 256 GB

128, 256 GB
Memory card

No

No
Storage

UFS 3.1

UFS 2.2

Main camera
Camera type

Triple

Dual
Main camera

(wide) , 50 MP, f/1.9 , 1/1.57" , 1.0 µm, 20x digital zoom

(wide) , 50 MP, f/1.8 , 10x digital zoom
(telephoto) , 12 MP, f/2.0 , 47 mm, 2x optical zoom

(depth) , 2 MP, f/2.4
120˚ , (ultrawide) , 13 MP, f/2.2 , 16 mm
Primary camera resolution

-

8120 x 6180 pixels
Primary camera video

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

4K@30fps
Primary camera flash

dual-LED dual-tone flash

dual-LED dual-tone flash
Camera features

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, macro-mode, phase detection autofocus, RAW

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.5 , 1/3.1" , 1.0 µm

(wide) , 8 MP, f/2.0 , 1/4" , 1.12 µm
Selfie camera resolution

-

3264 x 2448 pixels
Selfie camera features

HDR

Face unlock
Selfie camera video

1080p@30fps, gyro-EIS

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

Yes
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive

aptX HD, aptX Adaptive
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes