Samsung Galaxy S25 vs Galaxy S20

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Samsung Galaxy S25 vs Galaxy S20

86 out of 100
Samsung Galaxy S25
VS
63 out of 100
Samsung Galaxy S20

Here we compared two flagship smartphones: the 6.2-inch Samsung Galaxy S25 (with Qualcomm Snapdragon 8 Elite) that was released on January 22, 2025, against the Samsung Galaxy S20, which is powered by Exynos 9 Octa 990 and came out 5 years before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S25
  • 3.1x better performance in AnTuTu Benchmark (2097K versus 680K)
  • The rear camera has a 3x optical zoom
  • Has 50% more RAM: 12GB versus 8GB
  • Newer Bluetooth version (v5.4)
  • The phone is 5 years newer
  • More recent OS version: Android 15 versus 13
  • More energy-efficient CPU – Snapdragon 8 Elite
  • Compatible with the latest Wi-Fi 7 wireless networks
  • Faster storage type - UFS 4.0 versus UFS 3.0
  • 2.5x faster in single-core GeekBench 6 test: 2813 and 1139 points
Reasons to consider the Samsung Galaxy S20
  • 35% higher pixel density (563 vs 416 PPI)
  • Expandable storage via MicroSD card up to 1000GB
  • Slow-motion recording at 960FPS
  • Has 2 SIM card slots

Review

Evaluation of Samsung Galaxy S25 and Galaxy S20 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED Dynamic AMOLED
Size 6.2 inches 6.2 inches
Resolution 1080 x 2340 pixels 1440 x 3200 pixels
Aspect ratio 19.5:9 20:9
PPI 416 ppi 563 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max rated brightness 2600 nits 800 nits
HDR support Yes, HDR10+ Yes, HDR10+
Touch sampling rate 240 Hz -
Screen protection Gorilla Glass Victus 2 Corning Gorilla Glass 6
Screen-to-body ratio 91.1% 88.5%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space - 99.8%
PWM - 242 Hz
Response time - 8.5 ms
Contrast - ∞ Infinity
Peak brightness test (auto)
807 nits

Design and build

Height 146.9 mm (5.78 inches) 151.7 mm (5.97 inches)
Width 70.5 mm (2.78 inches) 69.1 mm (2.72 inches)
Thickness 7.2 mm (0.28 inches) 7.9 mm (0.31 inches)
Weight 162 g (5.71 oz) 163 g (5.75 oz)
Waterproof IP68 IP68
Advanced cooling Vapor chamber -
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Silver, Gray, Blue, Green, Pink Gray, Blue, Red
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
91.1%
88.5%

Performance

Tests of Samsung Galaxy S25 and Samsung Galaxy S20 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 8 Elite Samsung Exynos 9 Octa 990
Max clock 4470 MHz 3020 MHz
CPU cores 8 (2 + 6) 8 (2 + 2 + 4)
Architecture - 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)
- 4 cores at 2 GHz: Cortex-A55
- 2 cores at 2.5 GHz: Cortex-A76
- 2 cores at 2.73 GHz: Exynos M5
L3 cache - 2 MB
Manufacturing TSMC Samsung
Lithography process 3 nanometers 7 nanometers
Neural processor (NPU) Hexagon Yes
Graphics Adreno 830 Mali-G77 MP11
GPU shading units 1536 704
GPU clock 1100 MHz 550 MHz
FLOPS ~3379.2 GFLOPS ~1126 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Galaxy S25 +147%
2813
1139
Geekbench 6 (Multi-Core)
Galaxy S25 +215%
9701
3080
AnTuTu Benchmark 10
Galaxy S25 +208%
2097248
680061
CPU 571908 206940
GPU 852484 180770
Memory 390704 136999
UX 282152 155352
Total score 2097248 680061
Samples Less than 3 [11 tests]
3DMark Wild Life Performance
Max surface temperature - 49.7 °C
Stability - 51%
Graphics test - 25 FPS
Graphics score - 4221
PCMark 3.0
Web score - 9127
Video editing - 6051
Photo editing - 30620
Data manipulation - 8331
Writing score - 13124

Memory

RAM
RAM size 12 GB 8 GB
Memory type LPDDR5X LPDDR5
Memory clock 5333 MHz 3200 MHz
Channels 2 2
Storage
Storage size 128, 256, 512 GB 128 GB
Storage type UFS 4.0 UFS 3.0
Memory card No MicroSD
Memory card max size - Up to 1000 GB

Software

Operating system Android 15 Android 10.0 (Can be upgraded to Android 13)
ROM One UI 7.0 One UI 5.1
OS size 30.1 GB 20.1 GB

Battery

Capacity 4000 mAh 4000 mAh
Max charge power 25 W 25 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging Yes (15 W) Yes (15 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Fast charging Yes (63% in 30 min) Yes (100% in 75 min)
Full charging time 1:10 hr 1:15 hr
Battery life tests
Web browsing - 06:49 hr
Watching video - 10:33 hr
Gaming - 04:30 hr
Standby - 69 hr
General battery life
16:07 hr

Main camera

Matrix 50 megapixels 12 megapixels
Image resolution 8160 x 6120 4000 x 3000
Zoom Optical, 3x Optical, 1.1x
Flash LED LED
Stabilization Optical Optical
8K video recording Up to 30FPS Up to 24FPS
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 240 FPS (1080p) 960 FPS (720p)
Angle of widest lens 120° 120°
Lenses 1) Standard: 50 MP
2) Telephoto: 10 MP
3) Ultrawide: 12 MP
1) Standard: 12 MP
2) Telephoto: 64 MP
3) Ultrawide: 12 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 50 MP 12 MP
Aperture f/1.8 f/1.8
Focal length 24 mm 26 mm
Sensor Samsung ISOCELL GN3 Samsung S5K2LD
Sensor size 1/1.56" 1/1.76"
Pixel size 1 micron 1.8 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution 10 MP 64 MP
Aperture f/2.4 f/2.0
Focal length 67 mm -
Sensor Samsung ISOCELL 3K1 Samsung Bright S5KGW2
Sensor size 1/3.94" 1/1.72"
Pixel size 1 micron 0.8 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 12 MP 12 MP
Aperture f/2.2 f/2.2
Focal length 13 mm 13 mm
Sensor Sony IMX564 Samsung S5K2LA
Sensor size 1/2.55" 1/2.55"
Pixel size 1.4 micron 1.4 micron
Stabilization Digital Digital

Selfie camera

Megapixels 12 megapixels 10 megapixels
Image resolution 4000 x 3000 2592 x 3872
Aperture f/2.2 f/2.2
Focal length 26 mm 26 mm
Sensor Samsung S5K3LU Samsung S5K3J1
Sensor size 1/3.2" 1/3.2"
Pixel size 1.12 micron 1.22 micron
Autofocus Phase autofocus Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard 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
- 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 -
GPS GPS, GLONASS, Beidou, Galileo, QZSS GPS, GLONASS, Beidou, Galileo
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 1 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
Hybrid slot No Yes
LTE Cat* 20 22
5G support Yes No

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
85.9 dB

Other

Category Flagship Flagship
Announced January 2025 February 2020
Release date February 2025 March 2020
Launch price $799 $999
SAR (head) - 0.28 W/kg
SAR (body) - 1.52 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint
Bundled charger Not included -
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
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