Asus ZenFone 8 vs Google Pixel 9a vs Samsung Galaxy S25 Specs Comparison

Availability

Officially announced
May 12, 2021	Mar 19, 2025	Jan 22, 2025
Prices (MSRP)
€599	8GB/128 - $499 | €599 8GB/256GB - $599 | €649	12GB/128GB - $799 | €899 12GB/256GB - $859 12GB/512GB - $959

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)	5.78 x 2.78 x 0.28 inches (~0.33 inches with camera bump) 146.9 x 70.5 x 7.2 mm (~8.45 mm with camera bump)
Weight
5.96 oz / 169.0 g	6.56 oz / 186.0 g	5.71 oz / 162.0 g
Materials
Back: Glass (Corning Gorilla Glass 3) Frame: Aluminum	Back: Plastic Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP68	Water, Dust; IP68
Biometrics
Optical in-screen fingerprint	Optical in-screen fingerprint	Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Obsidian Black, Horizon Silver	Obsidian, Porcelain, Iris, Peony	Icy Blue, Mint, Navy, Silver Shadow

Display

Size
5.9-inch, 82.76% screen-to-body	6.3-inch, 79.39% screen-to-body	6.2-inch, 91.02% screen-to-body
Type
AMOLED, 120Hz, HDR, 1100 nits	P-OLED, 120Hz, HDR, 2700 nits	Dynamic AMOLED, 120Hz, HDR, 2600 nits
Resolution
2400x1080px, 20:9 ratio, 446 PPI	2424x1080px, 20:9 ratio, 421 PPI	2340x1080px, 19.5:9 ratio, 416 PPI
Protection
Corning Gorilla Glass Victus	Corning Gorilla Glass 3	Corning Gorilla Glass Victus 2

PhoneArena Display Test

Bright Max (20% APL)
Untested	2561 (Excellent)	2394 (Excellent)
Bright Min
2.3 (Average)	1.8 (Good)	0.86 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 888 SM8350 (5 nm)	Google Tensor G4 (4 nm)	Snapdragon 8 Elite SM8750-AB (3 nm)
Processor
Octa-core 2840 MHz Kryo 680	Octa-core 1x3.1GHz Cortex-X4 3x2.6GH​z Cortex-A720 4x1.9​2GHz Cortex-A520	Octa-core 2x4.47GHz Oryon V2 PhoenixL 6x3.53GH​z Oryon V2 PhoenixM
GPU
Adreno 660	Mali-G715 MC7	Adreno 830
Memory
6GB (LPDDR5)/128GB (UFS 3.1) 8GB/128GB 8GB/256GB 16GB/256GB	8GB (LPDDR5X)/128GB (UFS 3.1) 8GB/256GB	12GB (LPDDR5X)/128GB (UFS 4.0) 12GB/256GB 12GB/512GB
Storage expansion
not expandable	not expandable	not expandable
OS
Android (11)	Android (15)	Android (15), up to 7 OS updates

PhoneArena Performance Test

GeekBench 6 Single
Untested	1687	3031
GeekBench 6 Multi
Untested	4385	9626
3D Mark High
Untested	2625	5959
3D Mark Low
Untested	2124	2500

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
4000 mAh	5100 mAh, Li - Ion	4000 mAh, Li - Ion
Charging
Qualcomm Quick Charge 4	Fast charging Qi wireless charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 30.0W	Wired: 23.0W Wireless: 7.5W	Wired: 25.0W Wireless: 15.0W

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

Battery Life Estimate

7h 6min

Browsing

18h 29min

Video

8h 1min

Gaming

12h 20min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Dual camera	Triple 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	50 MP (OIS, PDAF) Sensor name: Samsung GN3 Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.56" Pixel size: 1.0 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	12 MP (Ultra-wide) Sensor name: Sony IMX564 Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
		10 MP (Telephoto) Sensor name: Samsung S5K3K1 Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 67 mm Sensor size: 1/3.94" Pixel size: 1.0 μm
Flash
LED	Dual LED	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)	8K UHD (30 fps), 4K UHD (60 fps), 1080p (240 fps) HDR, Continuous autofocus, Picture-taking during video recording
Front
12 MP (PDAF) Video capture: 4K UHD (30 fps)	13 MP Video capture: 4K UHD (30 fps)	12 MP (HDR) Video capture: 4K UHD (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

134

Overall

143

Photo

126

Video

147

Overall

151

Photo

142

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.2, Yes	5.3	5.4
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	a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C, USB 3.2	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
		M3/T4
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	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC	NFC	NFC, Ultra Wideband (UWB)

Multimedia

Headphones
3.5mm jack	No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple 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	n1, n2, n5, n7, n25, n28, n41, n66, n71, n258, n260, n261, SA, NSA, Sub-6, mmWave, 5G Ready
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	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 28, 30, 71
TDD Bands
34, 38, 39, 40, 41, 42	38, 41	38, 39, 40, 41
3G Bands
1, 2, 3, 4, 5, 6, 8, 19	1, 2, 4, 5, 6, 8	1, 2, 4, 5, 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	LTE-A Pro Cat 20 (2000/150 Mbit/s)
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM, eSIM	Nano SIM, eSIM

Regulatory Approval

FCC approval
		Date approved: Nov 26, 2024 FCC ID value: A3LSMS931U
Measured SAR
		Head: 1.13 W/kg Body: 0.81 W/kg Simultaneous Transmission: 1.08 W/kg

Alternative variants

With 8GB RAM

Memory	8GB

With 512GB internal storage

Memory	512GB

With 256GB internal storage

Memory	256GB
Prices (MSRP)	$860

With 8GB RAM and 256GB internal storage

Memory	8GB/256GB

With 512GB internal storage

Memory	512GB

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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