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Asus ROG Phone II vs Google Pixel 4a

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.6 inches
5.8 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 391 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI

Technology:

AMOLED
OLED

Refresh rate:

120Hz
60Hz

Screen-to-body:

80.24 %
82.53 %

Peak brightness:

600 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 855 Plus SM8150-AC (7 nm)
Qualcomm Snapdragon 730G SM7150-AA (8 nm)

Processor:

Octa-core, 2960 MHz, Kryo 485, 64-bit
Octa-core, 2200 MHz, Kryo 470, 64-bit

GPU:

Adreno 640
Adreno 618

RAM:

12GB LPDDR4
6GB LPDDR4

Internal storage:

512GB (UFS 3.0), not expandable
128GB (UFS 2.1), not expandable

Device type:

Smartphone
Smartphone

OS:

Android (11, 10, 9.0 Pie)
Android (12, 11, 10)

Battery

Capacity:

6000 mAh
3140 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Qualcomm Quick Charge 4+, USB Power Delivery
USB Power Delivery

Max charge speed:

Wired: 18.0W

Camera

Rear:

Dual camera
Single camera

Main camera:

48 MP (Laser and PDAF)
12.2 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

13 MP (Ultra-wide)

Specifications:

Aperture size: F2.4; Focal Length: 11 mm

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

Time-lapse video, Picture-taking during video recording, EIS
EIS

Front:

24 MP (HDR)
8 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.73 x 3.06 x 0.37 inches (170.99 x 77.6 x 9.48 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)

Weight:

8.47 oz (240.0 g)
5.04 oz (143.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 3); Frame: Aluminum
Back: Plastic; Frame: Plastic

Biometrics:

2D Face unlock, In-screen fingerprint
Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Black Glare
Just black

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 29(700 d), 32(1500 L-band), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 46
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM, eSIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

DTS:X Virtual Surround, aptX-HD
aptX, aptX-HD

Screen mirroring:

DLNA, Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0, EDR
5.1

Wi-Fi:

802.11 a, b, g, n, ac, ad, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.1

Features:

Charging, OTG, Video out
Charging

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Barometer

Other:

NFC
NFC

Hearing aid compatible:

M3, T3
M3, T4

Regulatory Approval

FCC approval:

Date approved:

Aug 13, 2019
Jun 25, 2020

FCC ID value:

MSQI001D
A4RG025J

Measured SAR:

Head:

1.04 W/kg
1.18 W/kg

Body:

0.83 W/kg
1.19 W/kg

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg

Wireless Router:

1.19 W/kg
1.00 W/kg

Buyers information

Price:

$ 349

In The Box:

AeroActive Cooler II, ASUS ZenEar Pro Hi-Res earphone with microphone (optional), Transparent case / Aero case, Type-C to C Cable (120cm), Ejector pin (SIM tray needle), USB power adapter (18W / 30W), Documentation (user guide, warranty card)
18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool

Availability

Officially announced:

Jul 22, 2019
Aug 03, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless