Home/Asus/Asus Zenfone 9 vs Samsung Galaxy S21 FE 5G
Asus Zenfone 9

Asus Zenfone 9

#521
Samsung Galaxy S21 FE 5G

Samsung Galaxy S21 FE 5G

#169

Category Breakdown

Asus Zenfone 9
Samsung Galaxy S21 FE 5G
Performance
91.790.4
Camera
87.996.5
Display
93.594.5
Battery
29.891.2
Build
75.791.8
Connectivity
89.883.4
Audio
87.687.6
Overall
75.386.4

Summary

  • The Asus Zenfone 9 features a compact build with a 5.9-inch Super AMOLED display, offering a peak brightness of 1100 nits and a 120Hz refresh rate, while the Samsung Galaxy S21 FE 5G has a larger 6.4-inch Dynamic AMOLED 2X display with a slightly lower peak brightness and the same refresh rate.
  • In terms of performance, the Zenfone 9 is powered by the Snapdragon 8+ Gen 1 chipset, providing superior processing power compared to the Snapdragon 888 in the S21 FE.
  • The Zenfone's camera system includes a 50 MP main sensor with gimbal OIS, while the S21 FE offers a versatile triple-camera setup with a 12 MP main sensor and optical zoom.
  • Battery capacity is slightly higher in the S21 FE at 4500 mAh compared to the Zenfone's 4300 mAh, but the Zenfone supports faster charging at 30W.
  • Both devices run Android 12, but the S21 FE promises up to four major Android upgrades, while the Zenfone 9 is upgradable to Android 14.

Side-by-side Specification Comparison

Asus Zenfone 9
Samsung Galaxy S21 FE 5G

General

Release Date

2022, July 28
2022, January 04

Announced

2022, July 28
2022, January 04

Description

Also known as Asus Zenfone 9z
N/A

Display

Size

5.9"
6.4"

Type

Super AMOLED, 120Hz, HDR10+, 1100 nits (peak)
Dynamic AMOLED 2X, 120Hz, HDR10+

Resolution

1080 x 2400 pixels, 20:9 ratio (~445 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)

PPI

1080
1080

Refresh Rate

120Hz
120Hz

HDR Support

Protection

Corning Gorilla Glass Victus
Corning Gorilla Glass Victus

Performance

Chipset

Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1Exynos 2100 (5 nm) - Version 2

CPU

Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - Version 1Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - Version 2

GPU

Adreno 730
Adreno 660 - Version 1Mali-G78 MP14 - Version 2

Memory

128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 16GB RAM
128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM

Expandable Storage

Card Slot

No
No

Camera

Main Camera

50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, gimbal OIS12 MP, f/2.2, 14mm, 113° (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS8 MP, f/2.4, 76mm (telephoto), 1/4.5", 1.0µm, PDAF, OIS, 3x optical zoom12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.0", 1.12µm

Main Camera Features

LED flash, HDR, panorama
LED flash, auto-HDR, panorama

Front Camera

12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF
32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm

Front Camera Features

N/A
HDR

Video Recording

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

Selfie Video

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

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

4300 mAh
4500 mAh

Battery Details

Li-Po 4300 mAh
Li-Ion 4500 mAh

Charging Details

30W wired, PD3.0, PPS, QC45W reverse wired
25W wired, PD3.0, 50% in 30 min15W wirelessReverse wireless

Fast Charging

Wireless Charging

Build & Safety

Dimensions

146.5 x 68.1 x 9.1 mm (5.77 x 2.68 x 0.36 in)
155.7 x 74.5 x 7.9 mm (6.13 x 2.93 x 0.31 in)

Weight

169 g
177 g

Materials

Glass front (Gorilla Glass Victus), plastic back, aluminum frame
Glass front (Gorilla Glass Victus), plastic back, aluminum frame

Colors

Starry Blue, Moonlight White, Sunset Red, Midnight Black
White, Graphite, Lavender, Olive

Foldable

SAR

N/A
0.77 W/kg (head)     0.90 W/kg (body)

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIMNano-SIM + Nano-SIM

Network

GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / EVDO / LTE / 5G

Network Speed

HSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/211 Mbps, 5G 4.5/0.9 Gbps
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat19 1600/200 Mbps, 5G

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct

Bluetooth

5.2, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
5.0, A2DP, LE

NFC

USB

USB Type-C, OTG
USB Type-C, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
GPS, GLONASS, BDS, GALILEO

Audio

Stereo Speakers

Loudspeaker

Yes, with stereo speakers
Yes, with stereo speakers

Audio Jack

Yes
No

Software & Security

Operating System

Android 12, upgradable to Android 14
Android 12, up to 4 major Android upgrades, One UI 6.1

Fingerprint

Face Unlock

Sensors

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass