Asus ROG Phone 8 Pro vs vivo iQOO 9

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1800, 1900, 2100

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66

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

5G band 1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6

5G band 1, 3, 5, 8, 28, 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 (7CA), 2000 Mbps download, 211 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Aluminium alloy, glass
SIM

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

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

163.8 mm

159.1 mm
Width

76.8 mm

75.1 mm
Thickness

8.9 mm

8.6/8.7 mm
Weight

225 g

200/202 g
Waterproof

IP68 (1.5m and 30 mins)

-
Dust proof

IP68

-
Build features

341 Mini-LED programmable matrix (on the back), pressure sensitive zones (Gaming triggers)

-
Colors

Black

Alpha, Legend, Phoenix

Display
Display type

LTPO AMOLED

AMOLED
Physical size

6.78 inches

6.56 inches
Resolution

1080 x 2400 pixels

1080 x 2376 pixels
Pixel density

388 ppi

398 ppi
Display colors

1073741824

1073741824
Protection

Corning Gorilla Glass Victus 2

Scratch resistant
Display features

Always-On display, 165Hz, HDR10, 1600 nits (HBM), 2500 nits (peak)

120Hz, HDR10+, 1200 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.2 GHz Cortex-X4

Single-core 2.99 GHz Kryo 680
CPU(second)

Penta-core 3.2 GHz Cortex-A720

Triple-core 2.42 GHz Kryo 680
CPU(third)

Dual-core 2.3 GHz Cortex-A520

Quad-core 1.80 GHz Kryo 680
Chipset

Qualcomm SM8650-AB Snapdragon 8 Gen 3

Qualcomm SM8350 Snapdragon 888+ 5G
GPU

Adreno 750

Adreno 660
Memory RAM

16, 24 GB

8, 12 GB
Internal storage

512, 1024 GB

128, 256 GB
Memory card

No

No
Storage

UFS 4.0, NTFS support for external storage

UFS 3.1

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 48 MP, f/1.8 , 25 mm, 1/2.0" , 0.8 µm
(telephoto) , 32 MP, f/2.4 , 1/3.2" , 0.7 µm, 3x optical zoom

(telephoto) , 13 MP, f/2.5 , 2x optical zoom , 50 mm
120˚ , (ultrawide) , 13 MP, f/2.2 , 13 mm

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

8190 x 6120 pixels

8160 x 6144 pixels
Primary camera video

8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+

4K@30fps, 1080p@30fps
Primary camera flash

LED 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, Pro Video mode

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 32 MP, f/2.5 , 22 mm, 1/3.2" , 0.7 µm

(wide) , 16 MP, f/2.5 , 1/3.1" , 1.0 µm
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, 802.11be

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
WiFi Tri-Band

Yes

-
USB

USB Type-C 3.1 (side), DisplayPort 1.4,USB Type-C 2.0 (bottom)

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.3

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive, aptX Lossless

-
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

-
QZSS

Yes

-
NavIC

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5500 mAh

4350 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 5.0, 65W (100% in 39 min)

Yes, 120W(50% in 6 min, 100% in 18 min)
Reverse charging

Yes, 10W

-
Wireless charging

Qi, 15W

-
Wireless reverse charging

-

Yes, 10W
Talk time 4G

-

14.1 h