Asus ZenFone 8 vs Google Pixel 9a Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Asus ZenFone 8 Google Pixel 9a
Released · May 13, 2021
Released · Mar 26, 2025
5.9-inch · 2400x1080px
6.3-inch · 2424x1080px
Dual camera
Dual camera
6GB · 128GB
8GB · 128GB
4000 mAh
5100 mAh
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Availability

Officially announced
May 12, 2021 Mar 19, 2025
Prices (MSRP)
€599 8GB/128 - $499 | €599
8GB/256GB - $599 | €649

Design

Dimensions
5.83 x 2.70 x 0.35 inches
148 x 68.6 x 8.9 mm
6.09 x 2.88 x 0.35 inches (~0.37 inches with camera bump)
154.7 x 73.2 x 8.9mm (~9.4 mm with camera bump)
Weight
5.96 oz / 169.0 g 6.56 oz / 186.0 g
Materials
Back: Glass (Corning Gorilla Glass 3)
Frame: Aluminum
Back: Plastic
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP68
Biometrics
Optical in-screen fingerprint Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Obsidian Black, Horizon Silver Obsidian, Porcelain, Iris, Peony

Display

Size
5.9-inch, 82.76% screen-to-body 6.3-inch, 79.39% screen-to-body
Type
AMOLED, 120Hz, HDR, 1100 nits P-OLED, 120Hz, HDR, 2700 nits
Resolution
2400x1080px, 20:9 ratio, 446 PPI 2424x1080px, 20:9 ratio, 421 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass 3
PhoneArena Display Test
Bright Max (20% APL)
Untested 2561 (Excellent)
Bright Min
2.3 (Average) 1.8 (Good)

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Google Tensor G4 (4 nm)
Processor
Octa-core
2840 MHz
Kryo 680
Octa-core
1x3.1GHz Cortex-X4
3x2.6GH​z Cortex-A720
4x1.9​2GHz Cortex-A520
GPU
Adreno 660 Mali-G715 MC7
Memory
6GB (LPDDR5)/128GB (UFS 3.1)
8GB/128GB
8GB/256GB
16GB/256GB
8GB (LPDDR5X)/128GB (UFS 3.1)
8GB/256GB
Storage expansion
not expandable not expandable
OS
Android (11) Android (15)
PhoneArena Performance Test
GeekBench 6 Single
Untested 1687
GeekBench 6 Multi
Untested 4385
3D Mark High
Untested 2625
3D Mark Low
Untested 2124

Battery

Type
4000 mAh 5100 mAh, Li - Ion
Charging
Qualcomm Quick Charge 4 Fast charging
Qi wireless charging
Charge speed
Wired: 30.0W Wired: 23.0W
Wireless: 7.5W
PhoneArena Battery Tests
Battery Life Estimate
6h 11min
Browsing
10h 12min
Video
11h 23min
Gaming
8h 42min
Battery Life Estimate
8h 11min
Browsing
19h 39min
Video
10h 57min
Gaming
12h 30min

Camera

Rear
Dual camera Dual camera
Main camera
64 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 27 mm
Sensor size: 1/1.7"
Pixel size: 1.6 μm
48 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 25 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
13 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/3.1"
Pixel size: 1.12 μm
Flash
LED Dual LED
Video recording
8K UHD (24 fps), 4K UHD (120 fps), 1080p (240 fps), 720p (480 fps)
Time-lapse video, Picture-taking during video recording, EIS
4K UHD (60 fps), 1080p (240 fps)
Front
12 MP (PDAF)
Video capture: 4K UHD (30 fps)
13 MP
Video capture: 4K UHD (30 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
134
Overall
143
Photo
126
Video

Connectivity & Features

Bluetooth
5.2, Yes 5.3
WLAN
a,b,g,n,ac,Wi-Fi 6,tri-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0 Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, QZSS, NavIC, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC NFC

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
aptX, aptX-HD
Screen mirroring
Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n38, n40, n66, n71, n77, n78, SA, NSA n1, n2, n3, n5, n7, n8, n20, n28, n48, n66, n71, n77, n78, n260, n261, SA, NSA, Sub-6, mmWave
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 66, 71
TDD Bands
34, 38, 39, 40, 41, 42 38, 41
3G Bands
1, 2, 3, 4, 5, 6, 8, 19 1, 2, 4, 5, 6, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM, eSIM

Alternative variants

With 8GB RAM
Memory 8GB
With 512GB internal storage
Memory 512GB
With 8GB RAM and 256GB internal storage
Memory 8GB/256GB
With 16GB RAM and 256GB internal storage
Memory 16GB/256GB
Global
5G Bands n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n77, n78, SA, NSA
LTE Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28
TDD Bands 34, 38, 39, 40, 41, 42
3G Bands 1, 2, 3, 4, 5, 6, 8, 19
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