Samsung Galaxy S25 vs Samsung Galaxy S20 Plus

Compared 2 smartphones : Samsung Galaxy S25 Manufactured in February, 2025, with display 6.2 with chipsetQualcomm Snapdragon 8 Elite, vs Samsung Galaxy S20 Plus, 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 Samsung Galaxy S25
  • Lighter design: 162g vs 186g
  • Newer Bluetooth version: 5.4 vs 5
  • Supports newer USB: 3.2 vs 3.1
  • Supports DisplayPort
Reasons to choose Samsung Galaxy S20 Plus
  • Larger display: 6.7in
  • Higher pixel density: 524ppi
  • Higher battery capacity: 4500mAh vs 4000mAh

Versions

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

Review

Key Specs Samsung Galaxy S25 and Samsung Galaxy S20 Plus
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

Display

Display quality comparison
Type Dynamic AMOLED Dynamic AMOLED
Size 6.2 in 6.7 in
Resolution 1080x2340 pixels 1440x3200 pixels
Aspect ratio 19.5:9 20:9
Pixel density 416 ppi 524 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness 2600 nits 800 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 91.1 % 90.8 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy S25
1406 nits
Samsung Galaxy S20 Plus
796 nits
sRGB gamut97.4 %99.7 %
PWM (Flicker)240 Hz214 Hz
Response time2 ms9 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 146.9 mm (5.78 in) 161.9 mm (6.37 in)
Width 70.5 mm (2.78 in) 73.7 mm (2.9 in)
Thickness 7.2 mm (0.28 in) 7.8 mm (0.31 in)
Weight 162 g (5.71 oz) 186 g (6.56 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Silver
- Gray
- Blue
- Green
- Pink
- Black
- Gray
- Red
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S25
91.1 %
Samsung Galaxy S20 Plus
90.8 %

Performance

Testing Samsung Galaxy S25 and Samsung Galaxy S20 Plus In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Samsung Exynos 9 Octa 990
Max Frequency 4470 MHz 3020 MHz
CPU Cores 8 (2 + 6) 8 (2 + 2 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
- 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)
Process TSMC Samsung
Transistor Size 3 nm 7 nm
Neural Processor Hexagon Yes
Graphics Adreno 830 Mali-G77 MP11
GPU Cores 1536 704
GPU Frequency 1100 MHz 550 MHz
FLOPS 3379.2 GFLOPS 1126 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25
3075
Samsung Galaxy S20 Plus
1152
Geekbench 6 (Multi-Core)
Samsung Galaxy S25
9822
Samsung Galaxy S20 Plus
3140
Geekbench 6 (Single-Core)30751152
Geekbench 6 (Multi-Core)98223140
Geekbench Compute (GPU)26264n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25
2382973
Samsung Galaxy S20 Plus
742810
CPU580139210294
GPU961299235407
Memory478741128971
UX362794168138
NanoReview Score2382973742810
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25
n/a
Samsung Galaxy S20 Plus
4298
Max Surface Temp.n/a48.1 °C
Stabilityn/a53 %
Graphics Testn/a25 fps
Graphics Scoren/a4298
PCMark 3.0
PCMark 3.0
Samsung Galaxy S25
n/a
Samsung Galaxy S20 Plus
11179
Writing scoren/a13668
Web scoren/a8813
Video editingn/a5865
Data manipulationn/a8637
NanoReview Scoren/a11179

Memory

RAM
RAM Size 12 GB 8 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 5333 MHz 3200 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 4.0UFS 3.0
Memory CardNoMicroSD

Software

OS Android 15 Android 10.0 (Upgradeable to Android 13)
OS Size 30.1 GB 23.6 GB
UI Skin One UI 7.0 One UI 5.1

Battery

Volume 4000 mAh 4500 mAh
Max Charging Power 25 W 25 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging Yes (15 W) Yes (15 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (56% in 30 min) Yes (100% in 84 min)
Full Charge Time 1:17 h 1:25 h
Battery Life Test
Battery Life
Samsung Galaxy S25
24:10
Samsung Galaxy S20 Plus
18:43
Web Browsing09:09 h07:39 h
Video Playback17:15 h12:04 h
Games05:32 h04:46 h
Standby Mode108 h85 h

Main camera

Matrix 50 MP 12 MP
Photo resolution 8160x6120 pixels 4000x3000 pixels
Zoom Optical, 3x Optical, 1.1x
Flash LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Up to 24FPS
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Depth: 0.3 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP12 MP
Aperturef/1.8f/1.8
Focal length24 mm26 mm
SensorSamsung ISOCELL S5KGN3Samsung S5K2LD
Sensor size1/1.561/1.76
Pixel size1 μm1.8 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix10 MP64 MP
Aperturef/2.4f/2.0
Focal length67 mm29 mm
SensorSamsung ISOCELL S5K3K1Samsung Bright S5KGW2
Sensor size1/3.941/1.72
Pixel size1 μm0.8 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix12 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
SensorSony IMX564Samsung S5K2LA
Sensor size1/2.551/2.55
Pixel size1.4 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25
n/a
Samsung Galaxy S20 Plus
129
Video quality
Samsung Galaxy S25
n/a
Samsung Galaxy S20 Plus
137
Overall camera score
Samsung Galaxy S25
n/a
Samsung Galaxy S20 Plus
133
Bokehn/a70
Previewn/a72
Zoomn/a126

Front camera

Matrix 12 MP 10 MP
Photo resolution 4000x3000 pixels 2592x3872 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm 26 mm
Sensor Samsung S5K3LU Sony IMX375
Sensor size 1/3.2 1/3.2
Pixel size 1.12 μm 1.22 μm
Autofocus Phase autofocus Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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
- Dual Band
- 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 3.2 3.1
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoYes
2G BandsGSM850,GSM900,DCS1800,PCS1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71)LTE (B850/B900/B1700/B1900/B2100)
LTE categoryn/a22
5G SupportYesNo

Sound

Speakers n/a Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S25
91.7 dB
Samsung Galaxy S20 Plus
85 dB

Other

Class Flagship Flagship
Announced January, 2025 yr February, 2020 yr
Release Date February, 2025 yr March, 2020 yr
Launch Price ($) n/a 1200
MSRP ($) 799 n/a
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint sensor
Charger Included No n/a

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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