Samsung Galaxy S21 vs Samsung Galaxy S25 FE
Short Description
Samsung Galaxy S21
Screen size: 6.2" / Resolution: 1080 x 2400 px / Main camera: 64 MP & 12 MP & 12 MP / Front camera: 10MP / RAM: 8GB / Battery power: 4000 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB / SIM cards: 1 SIM, 1 eSIM
Samsung Galaxy S25 FE
Screen size: 6.7" / Resolution: 1080 x 2340 px / Main camera: 50 MP & 12 MP & 8 MP / Front camera: 12MP / RAM: 8GB / Battery power: 4900 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB, 512GB / SIM cards: 1 SIM, 1 eSIM
Key Differences
Samsung Galaxy S21
Samsung Galaxy S25 FE
How is Samsung Galaxy S21 better than Samsung Galaxy S25 FE?
Faster CPU speed: 1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz vs 2 x 2.9 GHz & 3 x 2.6 GHz & 4 x 2 GHz & 1 x 3.2 GHz
More megapixels main camera: 64 MP & 12 MP & 12 MP vs 50 MP & 12 MP & 8 MP
Better display resolution: 1080 x 2400 px vs 1080 x 2340 px
Lighter: 171 g (6.03 ounces) vs 190 g (6.7 ounces)
Narrower: 71.2 mm (2.8 inches) vs 76.6 mm (3.02 inches)
Shorter: 151.7 mm (5.97 inches) vs 161.3 mm (6.35 inches)
Samsung Galaxy S21
Samsung Galaxy S25 FE
How is Samsung Galaxy S25 FE better than Samsung Galaxy S21?
Bigger battery capacity: 4900 mAh vs 4000 mAh
AnTuTu score is about 138% higher
More internal storage in max option: 128GB, 256GB, 512GB vs 128GB, 256GB
More megapixels front camera: 12MP vs 10MP
Has a larger display diagonal: 6.7" vs 6.2"
Higher charging speed: 45W vs 25W
The phone is 4 years and 6 months newer
Size Comparison
Samsung Galaxy S21
Samsung Galaxy S25 FE
Height
151.7 mm
(5.97 inches)
Width
71.2 mm
(2.8 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.2"
Weight
171 g
(6.03 ounces)
6.2"
6.7"
Height
161.3 mm
(6.35 inches)
Width
76.6 mm
(3.02 inches)
Thickness
7.4 mm
(0.29 inches)
Screen size
6.7"
Weight
190 g
(6.7 ounces)
Height
151.7 mm
(5.97 inches)
Width
71.2 mm
(2.8 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.2"
Weight
171 g
(6.03 ounces)
Height
161.3 mm
(6.35 inches)
Width
76.6 mm
(3.02 inches)
Thickness
7.4 mm
(0.29 inches)
Screen size
6.7"
Weight
190 g
(6.7 ounces)
3D comparison
Samsung Galaxy S21
Samsung Galaxy S25 FE
Samsung Galaxy S21
Samsung Galaxy S25 FE
Expert Score
Score 3.9
Score 4.3
Samsung Galaxy S21
Samsung Galaxy S25 FE
Samsung Galaxy S21
Samsung Galaxy S25 FE
Score 3.9
Score 4.3
PCMag
Samsung Galaxy S21
Samsung Galaxy S25 FE
Smartprix
Samsung Galaxy S21
Samsung Galaxy S25 FE
Vote for Your option
Samsung Galaxy S21
Vote for Your option
Samsung Galaxy S25 FE
Benchmarks
AnTuTu Score
Samsung Galaxy S21
903,780
Samsung Galaxy S25 FE
2,147,521 +137.62%
The score reflects a device's overall performance by summing up results from tests of RAM speed, CPU, and 2D/3D graphics.
CPU
Samsung Galaxy S21
253,391
Samsung Galaxy S25 FE
739,953 +192.02%
Measures the performance of a device's processor, focusing on tasks such as computing power and multi-core efficiency.
GPU
Samsung Galaxy S21
281,676
Samsung Galaxy S25 FE
739,450 +162.52%
Measures the graphical performance of a device's GPU, evaluating its ability to handle graphics-intensive tasks such as gaming and rendering.
Memory
Samsung Galaxy S21
158,352
Samsung Galaxy S25 FE
237,967 +50.28%
Measures the performance of a device's memory (RAM), measuring its speed and efficiency in handling multitasking and data-intensive applications.
UX
Samsung Galaxy S21
210,361
Samsung Galaxy S25 FE
430,151 +104.48%
Measures the overall user experience performance of a device, including factors like system responsiveness, touch sensitivity, and app launching speed.
Geekbench 6 · Multi-Core
Samsung Galaxy S21
3,339
Samsung Galaxy S25 FE
7,035 +110.69%
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing.
Geekbench 6 · Single-Core
Samsung Galaxy S21
1,334
Samsung Galaxy S25 FE
2,116 +58.62%
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Battery Performance
Samsung Galaxy S21
Samsung Galaxy S25 FE
Battery Life
Charging timeTechnical Specifications
Show differences
Show differences
Specs
Samsung Galaxy S21
Samsung Galaxy S25 FE
Design
Weight
171 g (6.03 ounces)
190 g (6.7 ounces)
Thickness
7.9 mm (0.31 inches)
7.4 mm (0.29 inches)
Width
71.2 mm (2.8 inches)
76.6 mm (3.02 inches)
Height
151.7 mm (5.97 inches)
161.3 mm (6.35 inches)
Is weather-sealed (splashproof)
✔
-
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
-
Volume
85.33 cm³
91.43 cm³
Is dustproof and water-resistant
✔
-
Color options
Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Icyblue, Jetblack, Navy, White
French Repairability Index
1
-
Water resistance
-
Waterproof
Display
Screen size
6.2"
6.7"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
421 ppi
385 ppi
Resolution
1080 x 2400 px
1080 x 2340 px
Refresh rate
120Hz
120Hz
Touch sampling rate
240Hz
240Hz
Brightness (typical)
1300 nits
1200 nits
Has branded damage-resistant glass
✔
✔
Gorilla Glass version
Gorilla Glass Victus
Gorilla Glass Victus
Supports HDR10
✔
✔
Supports HDR10+
✔
✔
Always-On Display
✔
✔
Contrast ratio
3000000:1
-
Has a touch screen
✔
-
Performance
Internal storage
128GB, 256GB
128GB, 256GB, 512GB
RAM
8GB
8GB
Android version
Android 11
-
CPU speed
1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz
2 x 2.9 GHz & 3 x 2.6 GHz & 4 x 2 GHz & 1 x 3.2 GHz
GPU clock speed
-
1009 MHz
Has integrated LTE
✔
✔
RAM speed
3200 MHz
-
Semiconductor size
5 nm
-
Supports 64-bit
✔
-
DirectX version
DirectX 12
-
Has integrated graphics
✔
-
OpenGL ES version
3.2
-
Uses big.LITTLE technology
✔
-
CPU threads
8 threads
-
Uses HMP
✔
-
Has TrustZone
✔
-
Maximum memory bandwidth
51.2 GB/s
64 GB/s
OpenCL version
2
-
DDR memory version
5
-
Maximum memory amount
16GB
-
Thermal Design Power (TDP)
9W
-
Release date
2021
2025
GPU turbo
854 MHz
-
Has NX bit
✔
-
Memory channels
4
-
Cameras
Main camera
64 MP & 12 MP & 12 MP
50 MP & 12 MP & 8 MP
Front camera
10MP
12MP
Has built-in optical image stabilization
✔
✔
Video recording (main camera)
4320 x 24 fps
4320 x 30 fps
Wide aperture (main camera)
f/1.8 & f/2 & f/2.2
f/1.8 & f/2.2 & f/2.4
Has a dual-tone LED flash
✔
✔
Has a BSI sensor
✔
✔
Has continuous autofocus when recording movies
✔
✔
Has phase-detection autofocus for photos
✔
✔
Supports slow-motion video recording
✔
✔
Has a built-in HDR mode
✔
✔
Has a flash
✔
✔
Has manual exposure
✔
✔
Has a dual-lens (or multi-lens) main camera
✔
✔
Optical zoom
1.1x
3x
Number of flash LEDs
2
1
Has a CMOS sensor
✔
✔
Has manual ISO
✔
✔
Has a serial shot mode
✔
✔
Has manual focus
✔
✔
Has a front camera
✔
✔
Has laser autofocus
-
✔
Has manual white balance
✔
✔
Shoots raw
✔
✔
Has touch autofocus
✔
✔
Has manual shutter speed
✔
✔
Can create panoramas in-camera
✔
Can create panoramas in-camera ✔
Wide aperture (front camera)
f/2.2
f/2.2
Has timelapse function
✔
✔
Pixel size (main camera)
1.8 µm & 0.8 µm & 1.4 µm
-
Operating system
Has clipboard warnings
-
✔
Has location privacy options
✔
✔
Has camera/microphone privacy options
✔
✔
Has theme customization
✔
✔
Can play games while they download
-
✔
Has dark mode
✔
✔
Has Wi-Fi password sharing
✔
-
Has battery health check
-
✔
Has an extra dim mode
-
✔
Has focus modes
✔
-
Has dynamic theming
-
✔
Can offload apps
-
✔
Has customizable notifications
✔
✔
Supports split screen
✔
✔
Supports instant markup
✔
-
Supports PiP and PaP
✔
-
Can be used as a PC
✔
✔
Has sharing intents
✔
✔
Has a child lock
✔
✔
Supports widgets
-
✔
Is free and open source
✔
✔
Tracks the current position of a mobile device
✔
✔
Is a multi-user system
✔
✔
Can block app tracking
-
✔
Has on-device machine learning
-
✔
Has Live Text
-
✔
Supports widgets
✔
-
More languages supported
125
-
Has offline voice recognition
✔
✔
The browser has word wrap
✔
-
Has voice commands
✔
✔
Has PiP
-
✔
Has notification permissions
-
✔
Has media picker
-
✔
Has full-page screenshots
-
✔
Battery
Battery power
4000 mAh
4900 mAh
Has wireless charging
✔
✔
Supports fast charging
✔
✔
Charging speed
25W
45W
Wireless charging speed
15W
25W
Has reverse wireless charging
✔
✔
Reverse wireless charging speed
4.5W
4.5W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Audio
Has stereo speakers
✔
✔
Number of microphones
2
3
Features
Has 5G support
✔
✔
Wi-Fi version
Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Wi-Fi 4 (802.11n), Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac)
Download speed
3000 MBits/s
9640 MBits/s
Upload speed
422 MBits/s
2550 MBits/s
Has USB Type-C
✔
✔
USB version
3.2
2
Has NFC
✔
✔
SIM cards
1 SIM, 1 eSIM
1 SIM, 1 eSIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.1
5.4
Has a gyroscope
✔
✔
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Has a barometer
✔
✔
Supports Galileo
✔
✔
Has an accelerometer
✔
✔
Supports ant+
✔
-
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
Samsung Galaxy S21
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Samsung Galaxy S25 FE
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