Nothing Phone (3a) vs Samsung Galaxy S20

Compared 2 smartphones : Nothing Phone (3a) Manufactured in March, 2025, with display 6.77 with chipsetQualcomm Snapdragon 7s Gen 3, vs Samsung Galaxy S20, Manufactured in March, 2020with chipsetSamsung Exynos 9 Octa 990. 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
  • Newer Bluetooth version: 5.4 vs 5
Reasons to choose Samsung Galaxy S20
  • Higher pixel density: 563ppi
  • Lighter design: 163g vs 201g
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

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

Review

Key Specs Nothing Phone (3a) and Samsung Galaxy S20
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
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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 1440x3200 pixels
Aspect ratio n/a 20:9
Pixel density 387 ppi 563 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 1300 nits 800 nits
HDR support Yes HDR10+ Yes HDR10+
Screen-to-body ratio 88 % 88.5 %
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 S20
809 nits
sRGB gamutn/a99.8 %
PWM (Flicker)n/a242 Hz
Response timen/a8.5 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 163.52 mm (6.44 in) 151.7 mm (5.97 in)
Width 77.5 mm (3.05 in) 69.1 mm (2.72 in)
Thickness 8.35 mm (0.33 in) 7.9 mm (0.31 in)
Weight 201 g (7.09 oz) 163 g (5.75 oz)
Water resistance IP64 IP68
Cooling system Vapor chamber n/a
Back panel n/a Glass
Frame n/a Metal
Colors - White
- Black
- Blue
- Gray
- Blue
- Red
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Nothing Phone (3a)
88 %
Samsung Galaxy S20
88.5 %

Performance

Testing Nothing Phone (3a) and Samsung Galaxy S20 In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 3 Samsung Exynos 9 Octa 990
Max Frequency 2500 MHz 3020 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 2 + 4)
Architecture - 4/1.8 (Kryo Silver (Cortex-A520))
- 3/2.4 (Kryo Gold (Cortex-A720))
- 1/2.5 (Kryo Prime (Cortex-A720))
- 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)
Process TSMC Samsung
Transistor Size 4 nm 7 nm
Neural Processor Yes Yes
Graphics Adreno 810 Mali-G77 MP11
GPU Cores 256 704
GPU Frequency 1050 MHz 550 MHz
FLOPS 537.6 GFLOPS 1126 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Nothing Phone (3a)
1178
Samsung Galaxy S20
1139
Geekbench 6 (Multi-Core)
Nothing Phone (3a)
3214
Samsung Galaxy S20
3080
Geekbench 6 (Single-Core)11781139
Geekbench 6 (Multi-Core)32143080
Geekbench Compute (GPU)4435n/a
AnTuTu 10
AnTuTu 10
Nothing Phone (3a)
708353
Samsung Galaxy S20
680061
CPU215621206940
GPU197715180770
Memory145649136999
UX149368155352
NanoReview Score708353680061
3DMark Wild Life
3DMark Wild Life
Nothing Phone (3a)
n/a
Samsung Galaxy S20
4221
Max Surface Temp.n/a49.7 °C
Stabilityn/a51 %
Graphics Testn/a25 fps
Graphics Scoren/a4221
PCMark 3.0
PCMark 3.0
Nothing Phone (3a)
n/a
Samsung Galaxy S20
11213
Writing scoren/a13300
Web scoren/a9221
Video editingn/a6001
Data manipulationn/a8487
NanoReview Scoren/a11213

Memory

RAM
RAM Size - 8 GB
- 12 GB
8 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 2133 MHz 3200 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB
128 GB
Storage TypeUFS 2.2UFS 3.0
Memory CardNoMicroSD

Software

OS Android 15 Android 10.0 (Upgradeable to Android 13)
OS Size n/a 20.1 GB
UI Skin Nothing OS 3.1 One UI 5.1

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 (100% in 75 min)
Full Charge Time 1:06 h 1:15 h
Battery Life Test
Battery Life
Nothing Phone (3a)
25:03
Samsung Galaxy S20
16:07
Web Browsing08:06 h06:49 h
Video Playback16:25 h10:33 h
Games05:49 h04:30 h
Standby Mode131 h69 h

Main camera

Matrix 50 MP 12 MP
Photo resolution 8192x6144 pixels 4000x3000 pixels
Zoom Optical, 2x Optical, 1.1x
Flash LED LED
Stabilization Optical Optical
8K Recording No Up to 24FPS
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) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP
Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP12 MP
Aperturef/1.9f/1.8
Focal length24 mm26 mm
SensorSony LYT-600Samsung S5K2LD
Sensor size1/1.561/1.76
Pixel size1 μm1.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP64 MP
Aperturef/2.6f/2.0
Focal length50 mm29 mm
Sensorn/aSamsung Bright S5KGW2
Sensor size1/2.741/1.72
Pixel size0.64 μm0.8 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length15 mm13 mm
SensorSony IMX355Samsung S5K2LA
Sensor size1/4.01/2.55
Pixel size1.12 μm1.4 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 10 MP
Photo resolution n/a 2592x3872 pixels
Aperture f/2.2 f/2.2
Focal length 22 mm 26 mm
Sensor CMOS Samsung S5K3J1
Sensor size 1/3.44 1/3.2
Pixel size n/a 1.22 μm
Autofocus No Phase autofocus (Dual Pixel)
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 6 (802.11 b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoYes
2G BandsGSM 850/900/1800/1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsUMTS 1, 2, 4, 5, 6, 8, 19HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)LTE (B850/B900/B1700/B1900/B2100)
LTE categoryn/a22
5G SupportYesNo

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)
n/a
Samsung Galaxy S20
85.9 dB

Other

Class Mid-range Flagship
Announced March, 2025 yr February, 2020 yr
Release Date March, 2025 yr March, 2020 yr
Launch Price ($) 329 999
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint sensor
Charger Included No n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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