Google Pixel 8a vs Samsung Galaxy S25 Ultra 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.

6.4
Google Pixel 8a
8.0
Samsung Galaxy S25 Ultra
Google Pixel 8a Samsung Galaxy S25 Ultra
Released · May 14, 2024
Released · Feb 07, 2025
6.1-inch · 2400x1080px
6.9-inch · 3120x1440px
Dual camera
Quad camera
8GB · 128GB
12GB · 256GB
4492 mAh
5000 mAh
Check prices Check prices

Availability

Officially announced
May 07, 2024 Jan 22, 2025
MSRP
$ 499 / € 549 $ 1299 / € 1449

Design

Dimensions
5.99 x 2.84 x 0.35 inches
152.1 x 72.2 x 8.9 mm
6.41 x 3.06 x 0.32 inches (~0.36 inches with camera bump)
162.8 x 77.6 x 8.2 mm (~9.1 mm with camera bump)
Weight
6.63 oz (188.0 g) 7.69 oz (218.0 g)
Materials
Back: Plastic
Frame: Aluminum
Back: Glass (Corning Gorilla Glass Armor 2)
Frame: Titanium
Resistance
Water, Dust; IP67 Water, Dust; IP68
Biometrics
Fingerprint (touch) Ultrasonic in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Obsidian, Porcelain, Bay, Aloe Titanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray

Display

Size
6.1-inch, 81.28% screen-to-body 6.9-inch, 90.30% screen-to-body
Type
OLED, 120Hz, HDR, 2000 nits Dynamic AMOLED, 120Hz, HDR, 2600 nits
Resolution
2400x1080px, 20:9 ratio, 431 PPI 3120x1440px, 19.5:9 ratio, 498 PPI
Protection
Corning Gorilla Glass 3 Corning Gorilla Glass Armor 2
Features
HDR support, Scratch-resistant glass, Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Google Tensor G3 (4 nm) Snapdragon 8 Elite for Galaxy SM8750-AB (3 nm)
Processor
Nona-core
1x3.0GHz Cortex-X3
4x2.45G​Hz Cortex-A715
4x2.1​5GHz Cortex-A510
Octa-core
2x4.47GHz Oryon V2 PhoenixL
6x3.53GH​z Oryon V2 PhoenixM
GPU
Immortalis-G715s MC10 Adreno 830
Memory
8GB (LPDDR5X)/128GB (UFS 3.1)
8GB/256GB
12GB (LPDDR5X)/256GB (UFS 4.0)
12GB/512GB
12GB/1024GB
Storage expansion
not expandable not expandable
OS
Android (15, 14) Android (15), up to 7 OS updates

Battery

Type
4492 mAh, Li - Polymer 5000 mAh, Li - Ion
Charging
Fast charging
Qi wireless charging
Fast charging
Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 18.0W
Wireless: 7.5W
Wired: 45.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 51min
Browsing
13h 53min
Video
8h 34min
Gaming
7h 16min
Battery Life Estimate
8h 0min
Browsing
20h 49min
Video
8h 54min
Gaming
14h 21min

Camera

Rear
Dual camera Quad camera
Main camera
64 MP (OIS, PDAF)
Aperture size: F1.9
Focal length: 26 mm
Sensor size: 1/1.73"
Pixel size: 0.8 μm
200 MP (OIS, Laser and PDAF)
Sensor name: Samsung ISOCELL HP2
Aperture size: F1.7
Focal length: 24 mm
Sensor size: 1/1.3"
Pixel size: 0.6 μm
Second camera
13 MP (Ultra-wide)
Aperture size: F2.2
Pixel size: 1.12 μm
50 MP (Ultra-wide, PDAF)
Sensor name: Samsung JN3
Aperture size: F1.9
Pixel size: 0.7 μm
Third camera
10 MP (Telephoto, OIS, PDAF)
Sensor name: Sony IMX754
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 67 mm
Sensor size: 1/3.52"
Pixel size: 1.12 μm
Fourth camera
50 MP (Telephoto, Periscope, OIS, PDAF)
Sensor name: Sony IMX854
Optical zoom: 5.0x
Aperture size: F3.4
Focal Length: 111 mm
Sensor size: 1/2.52"
Pixel size: 0.7 μm
Flash
LED LED
Video recording
4K UHD (60 fps) 8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps)
HDR, Continuous autofocus, Picture-taking during video recording
Front
13 MP 12 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
PhoneArena Camera Tests
134
Overall
142
Photo
127
Video
158
Overall
165
Photo
150
Video

Connectivity & Features

Bluetooth
5.3 5.4
WLAN
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 3.2 Type-C, USB 3.2
Sensors
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, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC NFC, Ultra Wideband (UWB)

Multimedia

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

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n20, n28, n48, n66, n71, n77, n78, n260, n261, SA, NSA, Sub-6, mmWave Bands n1, n2, n5, n7, n25, n28, n41, n66, n71, n77, n78, n257, n258, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600) Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38, 41 Bands 38, 39, 40, 41, 48
3G
Bands 1, 2, 4, 5, 6, 8 Bands 1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM, eSIM Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Nov 26, 2024
FCC ID value: A3LSMS938U
Measured SAR
Head: 1.26 W/kg
Body: 0.64 W/kg
Simultaneous Transmission: 1.19 W/kg

Alternative variants

With 256GB internal storage
Memory 256GB
With 512GB internal storage
Memory 512GB
MSRP $ 1420
With 1TB internal storage
Memory 1024GB
MSRP $ 1660
International
5G Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
4G (FDD) Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32(1500 L-band), 66(AWS-3)
4G (TDD) Bands 38, 39, 40, 41
SIM type Dual Nano SIM + eSIM
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