Samsung Galaxy S21 FE vs Samsung Galaxy S25 Specs Comparison

Design

Dimensions
6.13 x 2.93 x 0.31 inches (~0.36 inches with camera bump) 155.7 x 74.5 x 7.9 mm (~9.2 mm with camera bump)	5.78 x 2.78 x 0.28 inches (~0.33 inches with camera bump) 146.9 x 70.5 x 7.2 mm (~8.45 mm with camera bump)
Weight
6.00 oz (170.0 g)	5.71 oz (162.0 g)
Materials
Back: Plastic Frame: Metal	Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
White, Graphite, Lavender, Olive	Icy Blue, Mint, Navy, Silver Shadow

Display

Size
6.4-inch	6.2-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2340x1080px, 19.5:9 ratio, 416 PPI
Technology
Dynamic AMOLED	Dynamic AMOLED
Refresh rate
120Hz	120Hz
Screen-to-body
86.77 %	91.02 %
Peak brightness
1200 cd/m2 (nit)	2600 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm)	Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm)
Processor
Octa-core 1x 2.84GHz Cortex-X1 + 3x 2.42GHz Cortex-A78 + 4x 1.80GHz Cortex-A55	Octa-core 2x 4.47GHz Oryon V2 Phoenix L + 6x 3.53GHz Oryon V2 Phoenix M
GPU
Adreno 660	Adreno 830
RAM
6GB (LPDDR5)	12GB (LPDDR5X)
Internal storage
128GB (UFS 3.1)	128GB (UFS 4.0)
Storage expansion
not expandable	not expandable
OS
Android (14, 13, 12), One UI	Android (15), One UI

Battery

Capacity
4500 mAh	4000 mAh
Type
Li - Ion	Li - Ion
Charging
Fast charging, Qi wireless charging, Reverse wireless charging	Fast charging, Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

9h 39min

Video

7h 19min

Gaming

Untested

Battery Life Estimate

7h 6min

Browsing

18h 29min

Video

8h 1min

Gaming

12h 20min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm	50 MP (OIS, PDAF) Sensor name: Samsung GN3 Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.56" Pixel size: 1.0 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/3"	12 MP (Ultra-wide) Sensor name: Sony IMX564 Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
8 MP (Telephoto, OIS) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 13 mm Sensor size: 1/4.5" Pixel size: 1.0 μm	10 MP (Telephoto) Sensor name: Samsung S5K3K1 Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 67 mm Sensor size: 1/3.94" Pixel size: 1.0 μm
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (60 fps) HDR, Continuous autofocus, Picture-taking during video recording, 10-bit HDR	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps) HDR, Continuous autofocus, Picture-taking during video recording
Front
32 MP (HDR, Autofocus), Video capture: 3840x2160 (4K UHD) (60 fps)	12 MP (HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

147

Overall

151

Photo

142

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0	5.4
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6) Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C, USB 3.2
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Barometer
Other
NFC	NFC, Ultra Wideband (UWB)

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation

Cellular

5G
Bands n1, n3, n5, n8, n20, n28, n38, n40, n41, n66, n78, 5G Ready	Bands n1, n2, n5, n7, n25, n28, n41, n66, n71, n258, n260, n261, SA, NSA, Sub-6, mmWave, 5G Ready
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 19(800 Upper), 20(800 DD), 25(1900+), 28(700 APT), 30(2300 WCS), 71(600)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s	LTE-A Pro Cat 20 (2000/150 Mbit/s)
SIM type
Dual Nano SIM	Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Jun 29, 2021 FCC ID value: A3LSMG990U	Date approved: Nov 26, 2024 FCC ID value: A3LSMS931U
Measured SAR
Head: 0.77 W/kg Body: 0.90 W/kg Simultaneous Transmission: 1.48 W/kg Wireless Router: 1.09 W/kg	Head: 1.13 W/kg Body: 0.81 W/kg Simultaneous Transmission: 1.08 W/kg

Buyers information

MSRP
$ 700 / € 749	$ 799 / € 899
In The Box
Phone, Type-C cable, documentation	USB-C cable, SIM ejector tool, Paperwork

Availability

Officially announced
Jan 04, 2022	Jan 22, 2025

Alternative variants

With 8GB RAM and 256GB internal storage

RAM	8GB
Internal storage	256GB
MSRP	$ 770

With 256GB internal storage

Internal storage	256GB
MSRP	$ 860

With 512GB internal storage

Internal storage	512GB

Links

Full specifications
Samsung Galaxy S21 FE Specs	Samsung Galaxy S25 Specs
PhoneArena Review
Samsung Galaxy S21 FE Review	Samsung Galaxy S25 Review
User Reviews
Samsung Galaxy S21 FE User Reviews