Samsung Galaxy S21 FE vs Samsung Galaxy S24 Ultra 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.

8.3
Samsung Galaxy S21 FE
7.7
Samsung Galaxy S24 Ultra
Samsung Galaxy S21 FE Samsung Galaxy S24 Ultra
Released · Jan 11, 2022
Released · Jan 31, 2024
6.4-inch · 2340x1080px
6.8-inch · 3088x1440px
Triple camera
Quad camera
6GB · 128GB
12GB · 256GB
4500 mAh
5000 mAh
Check prices Check prices

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)
6.39 x 3.11 x 0.34 inches (~0.37 inches with camera bump)
162.3 x 79 x 8.6 mm (~9.5 mm with camera bump)
Weight
6.00 oz (170.0 g) 8.22 oz (233.0 g)
Materials
Back: Plastic
Frame: Metal
Back: Glass (Corning Gorilla Glass Armor)
Frame: Titanium
Resistance
Water, Dust; IP68 Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Ultrasonic in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
White, Graphite, Lavender, Olive Titanium Black, Titanium Gray, Titanium Violet, Titanium Yellow, Titanium Blue, Titanium Green, Titanium Orange

Display

Size
6.4-inch 6.8-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 3088x1440px, 19.5:9 ratio, 501 PPI
Technology
Dynamic AMOLED Dynamic AMOLED
Refresh rate
120Hz 120Hz
Screen-to-body
86.77 % 89.12 %
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 Armor), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm) Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm)
Processor
Octa-core
1x 2.84GHz Cortex-X1 + 3x 2.42GHz Cortex-A78 + 4x 1.80GHz Cortex-A55
Octa-core
1x3.39GHz Cortex-X4
5x3.1GH​z Cortex-A720
2x2.2​GHz Cortex-A520
GPU
Adreno 660 Adreno 750
RAM
6GB (LPDDR5) 12GB (LPDDR5X)
Internal storage
128GB (UFS 3.1) 256GB (UFS 4.0)
Storage expansion
not expandable not expandable
OS
Android (14, 13, 12), One UI Android (14), up to 7 OS updates

Battery

Capacity
4500 mAh 5000 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: 45.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
9h 39min
Video
7h 19min
Gaming
Untested
Battery Life Estimate
7h 39min
Browsing
20h 6min
Video
8h 18min
Gaming
13h 53min

Camera

Rear
Triple camera Quad 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
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
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/3"
12 MP (Ultra-wide, PDAF)
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, 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
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
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) (120 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 (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
156
Overall
162
Photo
151
Video

Connectivity & Features

Bluetooth
5.0 5.3
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,tri-band
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
Features
aptX, aptX-HD
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, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6, mmWave
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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
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), 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), HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM Dual Nano SIM + eSIM

Regulatory Approval

FCC approval
Date approved: Jun 29, 2021
FCC ID value: A3LSMG990U
Date approved: Nov 29, 2023
FCC ID value: A3LSMS928U
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: 1.26 W/kg
Body: 0.62 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.26 W/kg

Buyers information

MSRP
$ 700 / € 749 $ 1300 / € 1449
In The Box
Phone, Type-C cable, documentation USB-C cable, SIM ejector tool, Paperwork

Availability

Officially announced
Jan 04, 2022 Jan 17, 2024

Alternative variants

With 8GB RAM and 256GB internal storage
RAM 8GB
Internal storage 256GB
MSRP $ 770
With 512GB internal storage
Internal storage 512GB
MSRP $ 1420
With 1TB internal storage
Internal storage 1024GB
MSRP $ 1660
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