Samsung Galaxy S25 Ultra vs Nothing Phone (3a) Specs Comparison

Availability

Officially announced
Jan 22, 2025	Mar 04, 2025
Prices (MSRP)
$1299 | €1449	$379

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)	6.44 x 3.05 x 0.33 inches 163.52 x 77.5 x 8.35 mm
Weight
7.69 oz (218.0 g)	7.09 oz (201.0 g)
Materials
Back: Glass (Corning Gorilla Glass Armor 2) Frame: Titanium	Back: Glass Frame: Plastic
Resistance
Water, Dust; IP68	Water, Dust; IP64
Biometrics
Ultrasonic in-screen fingerprint	Optical in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key, Other
Colors
Titanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray	Black, White, Blue

Display

Size
6.9-inch, 90.30% screen-to-body	6.8-inch, 87.32% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 2600 nits	OLED, 120Hz, 3000 nits
Resolution
3120x1440px, 19.5:9 ratio, 498 PPI	2392x1080px, 20:9 ratio, 388 PPI
Protection
Corning Gorilla Glass Armor 2	Panda Glass

Hardware

System chip
Snapdragon 8 Elite for Galaxy SM8750-AB (3 nm)	Snapdragon 7s Gen 3 SM7635 (4 nm)
Processor
Octa-core 2x4.47GHz Oryon V2 PhoenixL 6x3.53GH​z Oryon V2 PhoenixM	Octa-core 1x2.5GHz Cortex-A720 3x2.4​GHz Cortex-A720 4x1.8​GHz Cortex-A520
GPU
Adreno 830	Adreno 710
Memory
12GB (LPDDR5X)/256GB (UFS 4.0) 12GB/512GB 12GB/1024GB	8GB/128GB 12GB/256GB
Storage expansion
not expandable	not expandable
OS
Android (15), up to 7 OS updates	Android (15)

Battery

Type
5000 mAh, Li - Ion	5000 mAh
Charging
Fast charging Qi wireless charging, Reverse wireless charging	Fast charging Reverse wired charging
Charge speed
Wired: 45.0W Wireless: 15.0W	Wired: 50.0W

PhoneArena Battery Tests

Battery Life Estimate

8h 0min

Browsing

20h 49min

Video

8h 54min

Gaming

14h 21min

Battery Life Estimate

7h 38min

Browsing

17h 4min

Video

11h 6min

Gaming

11h 21min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Triple 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	50 MP (OIS, PDAF) Aperture size: F1.9 Sensor size: 1/1.57"
Second camera
50 MP (Ultra-wide, PDAF) Sensor name: Samsung JN3 Aperture size: F1.9 Pixel size: 0.7 μm	8 MP (Ultra-wide)
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	50 MP (Telephoto) Optical zoom: 2.0x Aperture size: F2.0 Sensor size: 1/2.74"
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
8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps) HDR, Continuous autofocus, Picture-taking during video recording	4K UHD (30 fps), 1080p (120 fps)
Front
12 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)	32 MP

PhoneArena Camera Tests

158

Overall

165

Photo

150

Video

126

Overall

135

Photo

117

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.4	5.4
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 Multiple antennas, MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, 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, 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
Screen mirroring
	Wireless screen share
Additional microphone(s)
	Noise cancellation

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, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, SA, NSA, Sub-6
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71	1, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 66
4G (TDD) Bands
38, 39, 40, 41, 48	38, 39, 40, 41, 42
3G Bands
1, 2, 4, 5, 8	1, 4, 5, 6, 8, 19
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM, eSIM	Dual Nano SIM

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 12GB RAM and 256GB internal storage

Memory	12GB/256GB

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

Links

Full specifications
Samsung Galaxy S25 Ultra Specs	Nothing Phone (3a) Specs
PhoneArena Review
Samsung Galaxy S25 Ultra Review	Nothing Phone (3a) Review
User Reviews
Samsung Galaxy S25 Ultra User Reviews