Home Phone comparison Nothing Phone (3a) Pro and Samsung Galaxy S25 Ultra - Which is better?

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

70 out 100
Nothing Phone (3a) Pro
VS
94 out 100
Samsung Galaxy S25 Ultra
Nothing Phone (3a) Pro
Samsung Galaxy S25 Ultra

Compared 2 smartphones : Nothing Phone (3a) Pro Manufactured in March, 2025, with display 6.77 with chipsetQualcomm Snapdragon 7s Gen 3, vs Samsung Galaxy S25 Ultra, Manufactured in February, 2025with chipsetQualcomm Snapdragon 8 Elite. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Nothing Phone (3a) Pro
  • Lighter design: 211g vs 218g
Reasons to choose Samsung Galaxy S25 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 498ppi
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB		 - 12/256 GB
- 12/512 GB
- 12/1024 GB
- 16/1024 GB

Review

Key Specs Nothing Phone (3a) Pro and Samsung Galaxy S25 Ultra
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Nothing Phone (3a) Pro
vs
Galaxy S25 Ultra

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.77 in 6.9 in
Resolution 1080x2392 pixels 1440x3120 pixels
Aspect ratio n/a 19.5:9
Pixel density 387 ppi 498 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (1-120 Hz)
Max brightness 1300 nits 2600 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 88 % 92.4 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Nothing Phone (3a) Pro
1300 nits
Samsung Galaxy S25 Ultra
1403 nits
sRGB gamutn/a97.7 %
PWM (Flicker)n/a240 Hz
Response timen/a1 ms
Contrastn/a∞ Infinite
Sources: NotebookCheck [Samsung Galaxy S25 Ultra]

Design & Build

Design and ergonomics comparison
Height 163.52 mm (6.44 in) 162.8 mm (6.41 in)
Width 77.5 mm (3.05 in) 77.6 mm (3.06 in)
Thickness 8.39 mm (0.33 in) 8.2 mm (0.32 in)
Weight 211 g (7.44 oz) 218 g (7.69 oz)
Water resistance IP64 IP68
Cooling system Vapor chamber Vapor chamber
Back panel n/a Glass
Frame n/a Metal
Colors - Black
- Gray		 - Black
- Silver
- Gray
- Blue
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Nothing Phone (3a) Pro
88 %
Samsung Galaxy S25 Ultra
92.4 %

Performance

Testing Nothing Phone (3a) Pro and Samsung Galaxy S25 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 3 Qualcomm Snapdragon 8 Elite
Max Frequency 2500 MHz 4470 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Kryo Silver (Cortex-A520))
- 3/2.4 (Kryo Gold (Cortex-A720))
- 1/2.5 (Kryo Prime (Cortex-A720))		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Yes Hexagon
Graphics Adreno 810 Adreno 830
GPU Cores 256 1536
GPU Frequency 1050 MHz 1100 MHz
FLOPS 537.6 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Nothing Phone (3a) Pro
1182
Samsung Galaxy S25 Ultra
3147
Geekbench 6 (Multi-Core)
Nothing Phone (3a) Pro
3357
Samsung Galaxy S25 Ultra
9750
Geekbench 6 (Single-Core)11823147
Geekbench 6 (Multi-Core)33579750
Geekbench Compute (GPU)445925681
Sources: Geekbench v6 [Nothing Phone (3a) Pro], [Samsung Galaxy S25 Ultra]
AnTuTu 10
AnTuTu 10
Nothing Phone (3a) Pro
750673
Samsung Galaxy S25 Ultra
2795139
CPU273000659871
GPU1920891294167
Memory135075471319
UX150509369782
NanoReview Score7506732795139

Memory

RAM
RAM Size - 8 GB
- 12 GB		 - 12 GB
- 16 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 3200 MHz 5333 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 256 GB
- 512 GB
- 1024 GB
Storage Typen/aUFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 15
OS Size n/a 30.4 GB
UI Skin Nothing OS 3.1 One UI 7.0

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 50 W 45 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (25 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (60% in 15 min) Yes (72% in 30 min)
Full Charge Time 1:05 h 0:59 h
Battery Life Test
Battery Life
Nothing Phone (3a) Pro
24:09
Samsung Galaxy S25 Ultra
31:10
Web Browsing08:09 h11:10 h
Video Playback16:21 h19:32 h
Games05:48 h06:22 h
Standby Mode120 h160 h

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels 16320x12240 pixels
Zoom Optical, 3x Optical, 5x
Flash LED LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 240 fps)
Slow Motion 240 fps (720p) 240 fps (1080p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP		 Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP200 MP
Aperturef/1.9f/1.7
Focal length24 mm23 mm
SensorSony LYT-600Samsung ISOCELL S5KHP2
Sensor size1/1.561/1.3
Pixel size1 μm0.6 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/2.6f/3.4
Focal length70 mm111 mm
Sensorn/aSony IMX854
Sensor size1/1.951/2.52
Pixel size0.8 μm0.7 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix8 MP50 MP
Aperturef/2.2f/1.9
Focal length15 mm13 mm
SensorSony IMX355Samsung ISOCELL S5KJN3
Sensor size1/4.01/2.5
Pixel size1.12 μm0.7 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Nothing Phone (3a) Pro
n/a
Samsung Galaxy S25 Ultra
144
Video quality
Nothing Phone (3a) Pro
n/a
Samsung Galaxy S25 Ultra
143
Overall camera score
Nothing Phone (3a) Pro
n/a
Samsung Galaxy S25 Ultra
146
Bokehn/a70
Previewn/a81
Zoomn/a149
Sources: DxOMark [Samsung Galaxy S25 Ultra]

Front camera

Matrix 50 MP 12 MP
Photo resolution 8192x6144 pixels 4000x3000 pixels
Aperture f/2.2 f/2.2
Focal length 24 mm 26 mm
Sensor n/a Samsung S5K3LU
Sensor size 1/2.76 1/3.2
Pixel size n/a 1.12 μm
Autofocus n/a Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No Yes DP 1.2
GPS - GPS
- GLONASS
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*21
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900GSM850, GSM900, DCS1800, PCS1900
3G BandsUMTS 1, 2, 4, 5, 6, 8, 19UMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71)
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos n/a Yes
Speaker Test
Max Volume
Nothing Phone (3a) Pro
n/a
Samsung Galaxy S25 Ultra
93 dB

Other

Class Mid-range Flagship
Announced March, 2025 yr January, 2025 yr
Release Date March, 2025 yr February, 2025 yr
Launch Price ($) 459 1299
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No No

Note

Samsung Galaxy S25 Ultra:

Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. version has 1.","Uses Grade 5 titanium and Corning Gorilla Armor 2 glass on both sides.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S25 Ultra the clear winner in this comparison.

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Total Votes: 1

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