Samsung Galaxy S25 Ultra vs Google Pixel 9a Specs Comparison

Availability

Officially announced
Jan 22, 2025	Mar 19, 2025
Prices (MSRP)
12GB/256GB - $1299 | €1449 12GB/512GB - $1420 12GB/1TB - $1660	8GB/128 - $499 | €599 8GB/256GB - $599 | €649

Design

Dimensions
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)	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
7.69 oz / 218.0 g	6.56 oz / 186.0 g
Materials
Back: Glass (Corning Gorilla Glass Victus 2) Frame: Titanium	Back: Plastic Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP68
Biometrics
Ultrasonic in-screen fingerprint	Optical in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Titanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray	Obsidian, Porcelain, Iris, Peony

Display

Size
6.9-inch, 90.30% screen-to-body	6.3-inch, 79.39% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 2600 nits	P-OLED, 120Hz, HDR, 2700 nits
Resolution
3120x1440px, 19.5:9 ratio, 498 PPI	2424x1080px, 20:9 ratio, 421 PPI
Protection
Corning Gorilla Glass Armor 2	Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
2373 (Excellent)	2561 (Excellent)
Bright Min
0.8 (Excellent)	1.8 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 8 Elite for Galaxy SM8750-AB (3 nm)	Google Tensor G4 (4 nm)
Processor
Octa-core 2x4.47GHz Oryon V2 PhoenixL 6x3.53GH​z Oryon V2 PhoenixM	Octa-core 1x3.1GHz Cortex-X4 3x2.6GH​z Cortex-A720 4x1.9​2GHz Cortex-A520
GPU
Adreno 830	Mali-G715 MC7
Memory
12GB (LPDDR5X)/256GB (UFS 4.0) 12GB/512GB 12GB/1024GB	8GB (LPDDR5X)/128GB (UFS 3.1) 8GB/256GB
Storage expansion
not expandable	not expandable
OS
Android (15), up to 7 OS updates	Android (15)

PhoneArena Performance Test

GeekBench 6 Single
3137	1687
GeekBench 6 Multi
9769	4385
3D Mark High
6208	2625
3D Mark Low
2981	2124

Learn more on our PhoneArena Performance Test Results page.

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

8h 0min

Browsing

20h 49min

Video

8h 54min

Gaming

14h 21min

Battery Life Estimate

8h 11min

Browsing

19h 39min

Video

10h 57min

Gaming

12h 30min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Dual camera
Main camera
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	48 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 25 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
50 MP (Ultra-wide, PDAF) Sensor name: Samsung JN3 Aperture size: F1.9 Pixel size: 0.7 μm	13 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/3.1" Pixel size: 1.12 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	Dual LED
Video recording
8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps) HDR, Continuous autofocus, Picture-taking during video recording	4K UHD (60 fps), 1080p (240 fps)
Front
12 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)	13 MP Video capture: 4K UHD (30 fps)

PhoneArena Camera Tests

158

Overall

165

Photo

150

Video

134

Overall

143

Photo

126

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.4	5.3
WLAN
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	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
Features
aptX, aptX-HD

Cellular

5G Bands
n1, n2, n5, n7, n25, n28, n41, n66, n71, n77, n78, n257, 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, 48	38, 41
3G Bands
1, 2, 4, 5, 8	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
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 512GB internal storage

Memory	512GB
Prices (MSRP)	$1420

With 512GB internal storage

Memory	512GB

With 1TB internal storage

Memory	1024GB
Prices (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, 66
4G (TDD) Bands	38, 39, 40, 41
SIM type	Dual Nano SIM + eSIM

Discover more

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