Samsung Galaxy M21 vs Samsung Galaxy S25 Ultra vs Samsung Galaxy S25 FE Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Differences only
7.1
Samsung Galaxy S25 FE
Samsung Galaxy M21 Samsung Galaxy S25 Ultra Samsung Galaxy S25 FE
Released · Mar 23, 2020
Released · Feb 07, 2025
Released · Sep 04, 2025
6.4-inch · 2340x1080px
6.9-inch · 3120x1440px
6.7-inch · 2340x1080px
Triple camera
Quad camera
Triple camera
4GB · 64GB
12GB · 256GB
8GB · 128GB
6000 mAh
5000 mAh
4900 mAh
Check prices Check prices
Check Accessories Check Accessories Check Accessories

Availability

Officially announced
Mar 18, 2020 Jan 22, 2025 Sep 04, 2025
Prices (MSRP)
12GB/256GB - $1299 | €1449
12GB/512GB - $1420
12GB/1TB - $1660
8GB/128GB - $650

Design

Dimensions
6.26 x 2.96 x 0.35 inches
159.0 x 75.1 x 8.9 mm
6.41 x 3.06 x 0.32 inches (~0.36 inches with camera bump)
162.8 x 77.6 x 8.2 mm (~9.1 mm with camera bump)
6.35 x 3.02 x 0.29 inches (~0.35 inches with camera bump)
161.3 x 76.6 x 7.4 mm (~8.9 mm with camera bump)
Weight
6.63 oz / 188.0 g 7.69 oz / 218.0 g 6.70 oz / 190.0 g
Materials
Back: Plastic
Frame: Plastic
Back: Glass (Corning Gorilla Glass Victus 2)
Frame: Titanium
Back: Glass (Corning Gorilla Glass Victus+)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch) Ultrasonic in-screen fingerprint Optical in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Midnight blue, Raven black Titanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray Navy, Jetblack, White, Icyblue

Display

Size
6.4-inch, 84.11% screen-to-body 6.9-inch, 90.30% screen-to-body 6.7-inch, 88.06% screen-to-body
Type
Super AMOLED, 420 nits Dynamic AMOLED, 120Hz, HDR, 2600 nits Dynamic AMOLED, 120Hz, 1900 nits
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 3120x1440px, 19.5:9 ratio, 498 PPI 2340x1080px, 19.5:9 ratio, 385 PPI
Protection
Corning Gorilla Glass 3 Corning Gorilla Glass Armor 2 Corning Gorilla Glass Victus+
Features
Scratch-resistant glass, Proximity sensor
PhoneArena Display Test
Bright Max (20% APL)
Untested 2373 (Excellent) 1761 (Good)
Bright Min
Untested 0.8 (Excellent) 2 (Good)

Hardware

System chip
Exynos 9611 (10 nm) Snapdragon 8 Elite for Galaxy SM8750-AB (3 nm) Exynos 2400 S5E9945 (4 nm)
Processor
Octa-core
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
Octa-core
2x4.47GHz Oryon V2 PhoenixL
6x3.53GH​z Oryon V2 PhoenixM
Deca-core
1x3.2GHz Cortex-X4
2x2.9GH​z Cortex-A720
3x2.6​GHz Cortex-A720
4x1.9​5GHz Cortex-A520
GPU
Mali-G72 MP3 Adreno 830 Xclipse 940
Memory
4GB (LPDDR4)/64GB
6GB/128GB
12GB (LPDDR5X)/256GB (UFS 4.0)
12GB/512GB
12GB/1024GB
8GB/128GB
8GB/256GB
Storage expansion
microSDXC up to 512 GB not expandable not expandable
OS
Android (11, 10) Android (15), up to 7 OS updates Android (16), up to 7 OS updates
PhoneArena Performance Test
GeekBench 6 Single
Untested 3137 2170
GeekBench 6 Multi
Untested 9769 7110
3D Mark High
Untested 6208 3623
3D Mark Low
Untested 2981 2253

Battery

Type
6000 mAh, Li - Polymer 5000 mAh, Li - Ion 4900 mAh, Li - Ion
Charging
Fast charging Fast charging
Qi wireless charging, Reverse wireless charging
Fast charging
Reverse wired charging
Charge speed
Wired: 45.0W
Wireless: 15.0W
Wired: 45.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
8h 0min
Browsing
20h 49min
Video
8h 54min
Gaming
14h 21min
Battery Life Estimate
6h 59min
Browsing
15h 3min
Video
10h 29min
Gaming
10h 27min

Camera

Rear
Triple camera Quad camera Triple camera
Main camera
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
200 MP (OIS, Laser and PDAF)
Sensor name: Samsung ISOCELL HP2
Aperture size: F1.7
Focal length: 24 mm
Sensor size: 1/1.3"
Pixel size: 0.6 μm
50 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 24 mm
Pixel size: 1.0 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
50 MP (Ultra-wide, PDAF)
Sensor name: Samsung JN3
Aperture size: F1.9
Pixel size: 0.7 μm
12 MP (Ultra-wide)
Aperture size: F2.2
Third camera
5 MP (Depth information)
Aperture size: F2.2
10 MP (Telephoto, OIS, PDAF)
Sensor name: Sony IMX754
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 67 mm
Sensor size: 1/3.52"
Pixel size: 1.12 μm
8 MP (Telephoto)
Optical zoom: 3.0x
Aperture size: F2.4
Fourth camera
50 MP (Telephoto, Periscope, OIS, PDAF)
Sensor name: Sony IMX854
Optical zoom: 5.0x
Aperture size: F3.4
Focal Length: 111 mm
Sensor size: 1/2.52"
Pixel size: 0.7 μm
Flash
LED LED LED
Video recording
4K UHD (30 fps), 1080p, 720p (240 fps)
EIS
8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps)
HDR, Continuous autofocus, Picture-taking during video recording
Yes
Front
20 MP (HDR)
Video capture: 1080p
12 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
12 MP
Video capture: 4K UHD (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
158
Overall
165
Photo
150
Video
143
Overall
148
Photo
139
Video

Connectivity & Features

Bluetooth
5.0 5.4 5.4
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0 Type-C, USB 3.2 Type-C
Sensors
Accelerometer, Gyroscope, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, Ultra Wideband (UWB) NFC

Multimedia

Headphones
3.5mm jack No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
Dolby Atmos aptX, aptX-HD
Screen mirroring
Wireless screen share
Radio
FM

Cellular

5G Bands
n1, n2, n5, n7, n25, n28, n41, n66, n71, n77, n78, n257, n258, n260, n261, SA, NSA, Sub-6, mmWave
International version - n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
LTE Bands
1, 3, 5, 7, 8, 20 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
International version - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 66
TDD Bands
38, 40, 41 38, 39, 40, 41, 48
International version - 38, 39, 40, 41
38, 40, 41
3G Bands
1, 2, 5, 8 1, 2, 4, 5, 8 2, 3, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM, eSIM Nano SIM, eSIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Nov 26, 2024
FCC ID value: A3LSMS938U
Measured SAR
Head: 1.26 W/kg
Body: 0.64 W/kg
Simultaneous Transmission: 1.19 W/kg

Alternative variants

with 128GB storage
Memory 6GB/128GB
With 512GB internal storage
Memory 512GB
Prices (MSRP) $1420
With 1TB internal storage
Memory 1024GB
Prices (MSRP) $1660
International
5G Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
LTE Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
TDD Bands 38, 39, 40, 41
SIM type Dual Nano SIM + eSIM
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