Samsung Galaxy S23 Ultra 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.

7.1
Samsung Galaxy S23 Ultra
7.0
Google Pixel 9a
Samsung Galaxy S23 Ultra Google Pixel 9a
Released · Feb 17, 2023
Released · Mar 26, 2025
6.8-inch · 3088x1440px
6.3-inch · 2424x1080px
Quad camera
Dual camera
8GB · 256GB
8GB · 128GB
5000 mAh
5100 mAh
Check prices Check prices

Availability

Officially announced
Feb 01, 2023 Mar 19, 2025
Prices (MSRP)
$1200 | €1300 $499

Design

Dimensions
6.43 x 3.07 x 0.35 inches (~0.42 inches with camera bump)
163.3 x 78 x 8.9 mm (~10.68 mm with camera bump)
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
8.25 oz (234.0 g) 6.56 oz (186.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus 2)
Frame: Aluminum
Back: Plastic
Frame: Aluminum
Resistance
Water, Splash, Dust; IP68 Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Optical in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom Black, Cream, Green, Lavender Obsidian, Porcelain, Iris, Peony

Display

Size
6.8-inch, 89.87% screen-to-body 6.3-inch, 79.39% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1750 nits P-OLED, 120Hz, HDR, 2700 nits
Resolution
3088x1440px, 19.3:9 ratio, 501 PPI 2424x1080px, 20:9 ratio, 421 PPI
Protection
Corning Gorilla Glass Victus 2 Corning Gorilla Glass 3

Hardware

System chip
Snapdragon 8 Gen 2 SM8550 (4 nm) Google Tensor G4 (4 nm)
Processor
Octa-core
1x3.36GHz Kryo Prime
4x2.8GHz Kryo Gold
3x2.0GHz Kryo Silve
Octa-core
1x3.1GHz Cortex-X4
3x2.6GH​z Cortex-A720
4x1.9​2GHz Cortex-A520
GPU
Adreno 740 Mali-G715 MC7
Memory
8GB (LPDDR5X)/256GB (UFS 4.0)
12GB/256GB
12GB/512GB
12GB/1024GB
8GB (LPDDR5X)/128GB (UFS 3.1)
8GB/256GB
Storage expansion
not expandable not expandable
OS
Android (14, 13) Android (15)

Battery

Type
5000 mAh, Li - Ion 5100 mAh, Li - Ion
Charging
Fast charging
Qi wireless charging, Reverse wireless charging
Fast charging
Qi wireless charging
Charge speed
Wired: 45.0W
Wireless: 15.0W
Wired: 23.0W
Wireless: 7.5W
PhoneArena Battery Tests
Battery Life Estimate
7h 17min
Browsing
18h 57min
Video
8h 54min
Gaming
10h 59min
Battery Life Estimate
8h 11min
Browsing
19h 39min
Video
10h 57min
Gaming
12h 30min

Camera

Rear
Quad camera Dual camera
Main camera
200 MP (OIS, PDAF)
Sensor name: Samsung ISOCELL HP2
Aperture size: F1.7
Focal length: 24 mm
Sensor size: 1/1.3"
Pixel size: 0.6 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)
Sensor name: Sony IMX564
Aperture size: F2.2
Focal Length: 13 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
Third camera
10 MP (Telephoto)
Sensor name: Sony IMX754
Optical zoom: 10.0x
Aperture size: F4.9
Focal Length: 230 mm
Sensor size: 1/3.52"
Pixel size: 1.12 μm
Fourth camera
10 MP (Telephoto, OIS)
Sensor name: Sony IMX754
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 69 mm
Sensor size: 1/3.52"
Pixel size: 1.12 μm
Flash
LED Dual LED
Video recording
8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps)
OIS, HDR
4K UHD (60 fps), 1080p (240 fps)
Front
12 MP (PDAF)
Video capture: 4K UHD (60 fps)
13 MP
Video capture: 4K UHD (30 fps)
PhoneArena Camera Tests
147
Overall
150
Photo
144
Video
134
Overall
143
Photo
126
Video

Connectivity & Features

Bluetooth
5.3 5.3
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 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, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC, Ultra Wideband (UWB) NFC

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers

Cellular

5G Bands
n1, n7, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave n1, n2, n3, n5, n7, n8, n20, n28, n48, n66, n71, n77, n78, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41, 46, 48 38, 41
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM + eSIM Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Dec 08, 2023
FCC ID value: A3LSMS918U
Measured SAR
Head: 1.12 W/kg
Body: 0.92 W/kg
Simultaneous Transmission: 1.58 W/kg
Wireless Router: 1.16 W/kg

Alternative variants

With 12GB RAM
Memory 12GB
With 512GB internal storage
Memory 512GB
With 12GB RAM and 512GB internal storage
Memory 12GB/512GB
Prices (MSRP) $1450 | €1589
With 12GB RAM and 1TB internal storage
Memory 12GB/1024GB
Prices (MSRP) $1649 | €1749
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, 66
4G (TDD) Bands 38, 39, 40, 41
FCC OKs Cingular\'s purchase of AT&T Wireless