Asus ROG Phone 8 vs vivo Y55

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, 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, 3, 5, 8, 40
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

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

6.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A (7CA), 2000 Mbps download, 211 Mbps upload

LTE-A, Cat4, 151 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Glass front, plastic frame, plastic back
SIM

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

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

163.8 mm

160.8 mm
Width

76.8 mm

73.8 mm
Thickness

8.9 mm

8.4 mm
Weight

225 g

182 g
Waterproof

IP68 (1.5m and 30 mins)

-
Dust proof

IP68

-
Build features

Illuminated RGB logo (on the back), pressure sensitive zones (Gaming triggers)

-
Colors

Black, Grey

Ice Dawn, Midnight Galaxy

Display
Display type

LTPO AMOLED

AMOLED
Physical size

6.78 inches

6.44 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

388 ppi

409 ppi
Display colors

1073741824

16777216
Protection

Corning Gorilla Glass Victus 2

-
Display features

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

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.3 GHz Cortex-X4

Quad-core 2.4 GHz Kryo 265 Gold
CPU(second)

Penta-core 3.2 GHz Cortex-A720

quad-core 1.9 GHz Kryo 265 Silver
CPU(third)

Dual-core 2.3 GHz Cortex-A520
Chipset

Qualcomm SM8650-AB Snapdragon 8 Gen 3

Qualcomm SM6225 Snapdragon 680 4G
GPU

Adreno 750

Adreno 610
Memory RAM

12, 16 GB

8 GB
Internal storage

256 GB

128 GB
Memory card

No

microSD, microSDHC, microSDXC
Memory card max

-

1 TB
Storage

UFS 4.0, NTFS support for external storage

-

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 50 MP, f/1.8 , 1/2.76" , 0.64 µm
(telephoto) , 32 MP, f/2.4 , 1/3.2" , 0.7 µm, 3x optical zoom

(macro) , 2 MP, f/2.4
120˚ , (ultrawide) , 13 MP, f/2.2 , 13 mm

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

8190 x 6120 pixels

8190 x 6144 pixels
Primary camera video

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

1080p@30fps, gyro-EIS
Primary camera flash

LED flash

LED 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, 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, 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/2.0
Selfie camera resolution

-

4608 x 3456 pixels
Selfie camera features

Face unlock, face detection, 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
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

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive, aptX Lossless

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

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

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

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

Yes, 44W (50% in 27 min)
Reverse charging

Yes, 10W

-
Wireless charging

Qi

-