Nothing Phone (3a) vs Samsung Galaxy S25

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

Key Differences

Device key advantages
Reasons to choose Nothing Phone (3a)
  • Larger display: 6.77in
  • Higher battery capacity: 5000mAh vs 4000mAh
Reasons to choose Samsung Galaxy S25
  • Higher pixel density: 416ppi
  • Lighter design: 162g vs 201g
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

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

Review

Key Specs Nothing Phone (3a) and Samsung Galaxy S25
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.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.77 in 6.2 in
Resolution 1080x2392 pixels 1080x2340 pixels
Aspect ratio n/a 19.5:9
Pixel density 387 ppi 416 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 % 91.1 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Nothing Phone (3a)
1272 nits
Samsung Galaxy S25
1406 nits
sRGB gamutn/a97.4 %
PWM (Flicker)n/a240 Hz
Response timen/a2 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.52 mm (6.44 in) 146.9 mm (5.78 in)
Width 77.5 mm (3.05 in) 70.5 mm (2.78 in)
Thickness 8.35 mm (0.33 in) 7.2 mm (0.28 in)
Weight 201 g (7.09 oz) 162 g (5.71 oz)
Water resistance IP64 IP68
Cooling system Vapor chamber Vapor chamber
Back panel n/a Glass
Frame n/a Metal
Colors - White
- Black
- Blue
- Black
- Silver
- Gray
- Blue
- Green
- Pink
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Nothing Phone (3a)
88 %
Samsung Galaxy S25
91.1 %

Performance

Testing Nothing Phone (3a) and Samsung Galaxy S25 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)
1178
Samsung Galaxy S25
3075
Geekbench 6 (Multi-Core)
Nothing Phone (3a)
3214
Samsung Galaxy S25
9822
Geekbench 6 (Single-Core)11783075
Geekbench 6 (Multi-Core)32149822
Geekbench Compute (GPU)443526264
AnTuTu 10
AnTuTu 10
Nothing Phone (3a)
708353
Samsung Galaxy S25
2382973
CPU215621580139
GPU197715961299
Memory145649478741
UX149368362794
NanoReview Score7083532382973

Memory

RAM
RAM Size - 8 GB
- 12 GB
12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5333 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB
128 GB
Storage TypeUFS 2.2UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 15
OS Size n/a 30.1 GB
UI Skin Nothing OS 3.1 One UI 7.0

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 50 W 25 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (61% in 30 min) Yes (56% in 30 min)
Full Charge Time 1:06 h 1:17 h
Battery Life Test
Battery Life
Nothing Phone (3a)
25:03
Samsung Galaxy S25
24:10
Web Browsing08:06 h09:09 h
Video Playback16:25 h17:15 h
Games05:49 h05:32 h
Standby Mode131 h108 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8160x6120 pixels
Zoom Optical, 2x Optical, 3x
Flash LED LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 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: 50 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length24 mm24 mm
SensorSony LYT-600Samsung ISOCELL S5KGN3
Sensor size1/1.561/1.56
Pixel size1 μm1 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP10 MP
Aperturef/2.6f/2.4
Focal length50 mm67 mm
Sensorn/aSamsung ISOCELL S5K3K1
Sensor size1/2.741/3.94
Pixel size0.64 μm1 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length15 mm13 mm
SensorSony IMX355Sony IMX564
Sensor size1/4.01/2.55
Pixel size1.12 μm1.4 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 12 MP
Photo resolution n/a 4000x3000 pixels
Aperture f/2.2 f/2.2
Focal length 22 mm 26 mm
Sensor CMOS Samsung S5K3LU
Sensor size 1/3.44 1/3.2
Pixel size n/a 1.12 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) 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 *NoYes
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 n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos n/a Yes
Speaker Test
Max Volume
Nothing Phone (3a)
n/a
Samsung Galaxy S25
91.7 dB

Other

Class Mid-range Flagship
Announced March, 2025 yr January, 2025 yr
Release Date March, 2025 yr February, 2025 yr
Launch Price ($) 329 n/a
MSRP ($) n/a 799
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:

Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. model has 1.

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

Results

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

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