Samsung Galaxy S25 Ultra vs Nothing Phone (3a) Pro 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.

8.0	6.3
Samsung Galaxy S25 Ultra	Nothing Phone (3a) Pro
Released · Feb 07, 2025	Released · Mar 25, 2025
6.9-inch · 3120 x 1440 px	6.8-inch · 2392 x 1080 px
200 MP Main · 12 MP Selfie	50 MP Main · 50 MP Selfie
12GB · 256GB	12GB · 256GB
5000 mAh	5000 mAh
Check prices	Check prices

Display

Size
6.9-inch	6.8-inch
Resolution
3120 x 1440 px, 19.5:9 ratio, 498 PPI	2392 x 1080 px, 20:9 ratio, 388 PPI
Technology
Dynamic AMOLED	OLED
Refresh rate
120Hz	120Hz
Screen-to-body
90.30 %	87.32 %
Peak brightness
2600 cd/m2 (nit)	3000 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Armor 2), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Panda Glass), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 8 Elite for Galaxy SM8750-AB (3 nm)	Qualcomm Snapdragon 7s Gen 3 SM7635 (4 nm)
Processor
Octa-core, 2x 4.47GHz Oryon V2 Phoenix L + 6x 3.53GHz Oryon V2 Phoenix M, 64-bit	Octa-core, 1x 2.5GHz Cortex-A720 + 3x 2.4GHz Cortex-A720 + 4x 1.8GHz Cortex-A520, 64-bit
GPU
Adreno 830	Adreno 710
RAM
12GB (LPDDR5X)	12GB
Internal storage
256GB (UFS 4.0), not expandable	256GB, not expandable
OS
Android (15), One UI	Android (15)
Device type
Smartphone	Smartphone

Battery

Capacity
5000 mAh	5000 mAh
Type
Li - Ion, Not user replaceable	Not user replaceable
Charging
Fast charging, Qi wireless charging, Reverse wireless charging	Fast charging, Reverse wired charging
Max charge speed
Wired: 45.0W Wireless: 15.0W	Wired: 50.0W

Battery Life Estimate

8h 0min

Browsing

20h 49min

Video

8h 54min

Gaming

14h 21min

Battery Life Estimate

7h 15min

Browsing

16h 13min

Video

10h 26min

Gaming

11h 6min

Camera

Rear
Quad camera	Triple camera
Main camera
200 MP (OIS, Laser and PDAF) Specifications: Aperture size: F1.7 Focal length: 24 mm Sensor size: 1/1.3" Pixel size: 0.6 μm	50 MP (OIS, PDAF) Specifications: Aperture size: F1.9 Sensor size: 1/1.56"
Second camera
50 MP (Telephoto, Periscope, OIS, PDAF) Specifications: Optical zoom: 5.0x Aperture size: F3.4 Focal Length: 111 mm Sensor size: 1/2.52" Pixel size: 0.7 μm	50 MP (Periscope) Specifications: Optical zoom: 3.0x Aperture size: F2.5
Third camera
10 MP (Telephoto, OIS, PDAF) Specifications: Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 67 mm Sensor size: 1/3.52" Pixel size: 1.12 μm	8 MP (Ultra-wide) Specifications: Aperture size: F2.2
Fourth camera
50 MP (Ultra-wide, PDAF) Specifications: Aperture size: F1.9 Pixel size: 0.7 μm
Flash
LED	LED
Video recording
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps) Features: HDR, Continuous autofocus, Picture-taking during video recording	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps)
Front
12 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	50 MP

158

Overall

165

Photo

150

Video

135

Overall

148

Photo

122

Video

Design

Dimensions
6.41 x 3.06 x 0.32 inches (162.8 x 77.6 x 8.2 mm) thickness with camera 0.36 inches (9.1 mm)	6.44 x 3.05 x 0.33 inches (163.52 x 77.5 x 8.39 mm)
Weight
7.69 oz(218.0 g)	7.44 oz(211.0 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	Grey, Black

Cellular

5G
Bands n1, n2, n5, n7, n25, n28, n41, n66, n71, n77, n78, n257, n258, n260, n261, SA, NSA, Sub-6, mmWave	Bands n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, SA, NSA, Sub-6
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 1(2100), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 48(3600)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)
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

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	Wireless screen share
Additional microphone(s)
Noise cancellation	Noise cancellation

Connectivity & Features

Bluetooth
5.4	5.4
Wi-Fi
802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6) Multiple antennas, MIMO, Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.2, Features: Charging, OTG	Type-C (reversible), Features: Charging
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
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, Ultra Wideband (UWB)	NFC

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

Buyers information

MSRP
$ 1299 / € 1449	$ 459
In The Box
USB-C cable, SIM ejector tool, Paperwork	Phone, Type-C cable, SIM ejector, Paperwork

Availability

Officially announced
Jan 22, 2025	Mar 04, 2025

Alternative variants

With 512GB internal storage


Internal storage	512GB
MSRP	$ 1420

With 1TB internal storage


Internal storage	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(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
SIM type	Dual Nano SIM + eSIM

Links

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