Samsung Galaxy S21 Ultra vs Samsung Galaxy S24 FE Specs Comparison

Display

Size
6.8-inch	6.7-inch
Resolution
3200 x 1440 px, 20:9 ratio, 516 PPI	2340 x 1080 px, 19.5-9 ratio, 385 PPI
Technology
Dynamic AMOLED	Dynamic AMOLED
Refresh rate
120Hz (adaptable)	120Hz
Screen-to-body
89.33 %	88.06 %
Peak brightness
1500 cd/m2 (nit)	1900 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass Victus+), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm)	Exynos 2400e S5E9945 (4 nm)
Processor
Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit	Deca-core, 1x 3.2GHz Cortex-X4 + 2x 2.9GHz Cortex-A720 + 3x 2.6GHz Cortex-A720 + 4x 1.95GHz Cortex-A520, 64-bit
GPU
Adreno 660	Xclipse 940
RAM
12GB (LPDDR5)	8GB
Internal storage
128GB (UFS 3.1), not expandable	128GB, not expandable
OS
Android (13, 12, 11), Samsung One UI	Android (14)
Device type
Smartphone	Smartphone

Battery

Capacity
5000 mAh	4700 mAh
Type
Li - Polymer, Not user replaceable	Li - Ion, Not user replaceable
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging	Fast charging, Reverse wired charging
Max charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Battery Life Estimate

6h 20min

Browsing

15h 39min

Video

8h 3min

Gaming

10h 8min

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Quad camera	Triple camera
Main camera
108 MP (OIS, Laser and PDAF) Specifications: Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm	50 MP (OIS, PDAF) Specifications: Aperture size: F1.8 Focal length: 24 mm Pixel size: 1.0 μm
Second camera
10 MP (Telephoto, Periscope, OIS, PDAF) Specifications: Optical zoom: 10.0x Aperture size: F4.9 Focal Length: 240 mm Sensor size: 1/3.2" Pixel size: 1.22 μm	8 MP (Telephoto, OIS, PDAF) Specifications: Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 75 mm Sensor size: 1/4.4" Pixel size: 1.0 μm
Third camera
10 MP (Telephoto, OIS, PDAF) Specifications: Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm	12 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/3" Pixel size: 1.12 μm
Fourth camera
12 MP (Ultra-wide, PDAF) Specifications: Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
LED	LED
Video recording
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) Features: OIS, HDR, Hyperlapse, Video light, EIS	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps)
Front
40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	10 MP, Video capture: 3840x2160 (4K UHD) (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

150

Overall

153

Photo

147

Video

Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)	6.38 x 3.04 x 0.31 inches (162 x 77.3 x 8 mm)
Weight
8.04 oz(229.0 g)	7.51 oz(213.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus+) Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Phantom black, Silver	Blue, Graphite, Gray, Mint, Yellow

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave	Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
4G (FDD)
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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 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), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 2(1900), 3(1800), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM	Nano SIM

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation, Video recording	Noise cancellation

Connectivity & Features

Bluetooth
5.1	5.3
Wi-Fi
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.2, Features: Charging, Headphones port, OTG, Video out	Type-C (reversible), Features: Charging
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+	NFC

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U
Measured SAR
Head: 0.77 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.15 W/kg

Buyers information

Price
$ 1200	$ 650
In The Box
C to C Data Cable, Ejection Pin	Phone, Type-C cable, Sim ejector, Papers

Availability

Officially announced
Jan 14, 2021	Oct 03, 2024

Links

Full specifications
Samsung Galaxy S21 Ultra Specs	Samsung Galaxy S24 FE Specs
PhoneArena Review
Samsung Galaxy S21 Ultra Review	Samsung Galaxy S24 FE Review
User Reviews
Samsung Galaxy S21 Ultra User Reviews	Samsung Galaxy S24 FE User Reviews