Samsung Galaxy S21 Ultra vs Samsung Galaxy S24 FE
Short Description
Samsung Galaxy S21 Ultra
Screen size: 6.8" / Resolution: 1440 x 3200 px / Main camera: 108 MP & 12 MP & 10 MP & 10 MP / Front camera: 40MP / RAM: 12GB, 16GB / Battery power: 5000 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB, 512GB / SIM cards: 1 SIM, 1 eSIM
Samsung Galaxy S24 FE
Screen size: 6.7" / Resolution: 1080 x 2340 px / Main camera: 50 MP & 12 MP & 8 MP / Front camera: 10MP / RAM: 8GB / Battery power: 4700 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB, 512GB / SIM cards: 1 SIM, 1 eSIM
Key Differences
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
How is Samsung Galaxy S21 Ultra better than Samsung Galaxy S24 FE?
Bigger battery capacity: 5000 mAh vs 4700 mAh
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 2.59 GHz & 4 x 1.96 GHz & 1 x 3.11 GHz
More RAM memory capacity in max option: 12GB, 16GB vs 8GB
More megapixels main camera: 108 MP & 12 MP & 10 MP & 10 MP vs 50 MP & 12 MP & 8 MP
More megapixels front camera: 40MP vs 10MP
Has a larger display diagonal: 6.8" vs 6.7"
Better display resolution: 1440 x 3200 px vs 1080 x 2340 px
Narrower: 75.6 mm (2.98 inches) vs 77.3 mm (3.04 inches)
More color options: Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy vs Blue, Graphite, Gray, Mint, Yellow
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
How is Samsung Galaxy S24 FE better than Samsung Galaxy S21 Ultra?
AnTuTu score is about 102% higher
Lighter: 213 g (7.51 ounces) vs 229 g (8.08 ounces)
Shorter: 162 mm (6.38 inches) vs 165.1 mm (6.5 inches)
The phone is 2 years and 10 months newer
Size Comparison
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
Height
165.1 mm
(6.5 inches)
Width
75.6 mm
(2.98 inches)
Thickness
8.9 mm
(0.35 inches)
Screen size
6.8"
Weight
229 g
(8.08 ounces)
6.8"
6.7"
Height
162 mm
(6.38 inches)
Width
77.3 mm
(3.04 inches)
Thickness
8 mm
(0.31 inches)
Screen size
6.7"
Weight
213 g
(7.51 ounces)
Height
165.1 mm
(6.5 inches)
Width
75.6 mm
(2.98 inches)
Thickness
8.9 mm
(0.35 inches)
Screen size
6.8"
Weight
229 g
(8.08 ounces)
Height
162 mm
(6.38 inches)
Width
77.3 mm
(3.04 inches)
Thickness
8 mm
(0.31 inches)
Screen size
6.7"
Weight
213 g
(7.51 ounces)
3D comparison
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
Expert Score
Score 4.3
Score 3.9
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
Score 4.3
Score 3.9
CNet
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
TechRadar
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
PCMag
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
Smartprix
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
Vote for Your option
Samsung Galaxy S21 Ultra
Vote for Your option
Samsung Galaxy S24 FE
Benchmarks
AnTuTu Score
Samsung Galaxy S21 Ultra
843,008
Samsung Galaxy S24 FE
1,704,244 +102.16%
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 Ultra
232,358
Samsung Galaxy S24 FE
404,843 +74.23%
Measures the performance of a device's processor, focusing on tasks such as computing power and multi-core efficiency.
GPU
Samsung Galaxy S21 Ultra
256,356
Samsung Galaxy S24 FE
694,478 +170.9%
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 Ultra
163,007
Samsung Galaxy S24 FE
320,734 +96.76%
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 Ultra
191,217
Samsung Galaxy S24 FE
284,189 +48.62%
Measures the overall user experience performance of a device, including factors like system responsiveness, touch sensitivity, and app launching speed.
Battery Performance
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
Battery Life
Charging timeTechnical Specifications
Show differences
Show differences
Specs
Samsung Galaxy S21 Ultra
Samsung Galaxy S24 FE
Design
Weight
229 g (8.08 ounces)
213 g (7.51 ounces)
Thickness
8.9 mm (0.35 inches)
8 mm (0.31 inches)
Width
75.6 mm (2.98 inches)
77.3 mm (3.04 inches)
Height
165.1 mm (6.5 inches)
162 mm (6.38 inches)
Is weather-sealed (splashproof)
✔
-
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
1.5 m
Volume
111.09 cm³
100.18 cm³
Is dustproof and water-resistant
✔
Waterproof
Color options
Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
Blue, Graphite, Gray, Mint, Yellow
French Repairability Index
8.2
-
Display
Screen size
6.8"
6.7"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
515 ppi
385 ppi
Resolution
1440 x 3200 px
1080 x 2340 px
Refresh rate
120Hz
120Hz
Touch sampling rate
-
240Hz
Brightness (typical)
1500 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 curved display
✔
-
Has a touch screen
✔
✔
Performance
Internal storage
128GB, 256GB, 512GB
128GB, 256GB, 512GB
RAM
12GB, 16GB
8GB
Android version
Android 14
Android 14
CPU speed
1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz
2 x 2.9 GHz & 3 x 2.59 GHz & 4 x 1.96 GHz & 1 x 3.11 GHz
GPU clock speed
-
1009 MHz
Has integrated LTE
✔
✔
RAM speed
3200 MHz
4200 MHz
Semiconductor size
5 nm
4 nm
Supports 64-bit
✔
✔
DirectX version
DirectX 12
DirectX 12
Has integrated graphics
✔
✔
OpenGL ES version
3.2
-
Uses big.LITTLE technology
✔
✔
CPU threads
8 threads
10 threads
Uses HMP
✔
✔
Has TrustZone
✔
✔
Maximum memory bandwidth
51.2 GB/s
64 GB/s
OpenCL version
2
-
DDR memory version
5
5
Maximum memory amount
16GB
24GB
Uses multithreading
-
✔
Thermal Design Power (TDP)
9W
6W
Release date
2021
2024
Has NX bit
✔
✔
Memory channels
4
-
GPU turbo
854 MHz
-
Cameras
Main camera
108 MP & 12 MP & 10 MP & 10 MP
50 MP & 12 MP & 8 MP
Front camera
40MP
10MP
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/2.2 & f/4.9 & f/2.4
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
10x
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
✔
✔
Wide aperture (front camera)
f/2.2
f/2.4
Has timelapse function
✔
✔
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
✔
✔
Has scrolling screenshots
✔
✔
Supports split screen
✔
✔
Supports instant markup
✔
✔
Supports PiP and PaP
✔
✔
More languages supported
-
125
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
✔
✔
Supports widgets
✔
-
More languages supported
125
-
Has offline voice recognition
✔
✔
The browser has word wrap
✔
✔
Has voice commands
✔
✔
Battery
Battery power
5000 mAh
4700 mAh
Has wireless charging
✔
✔
Supports fast charging
✔
✔
Charging speed
25W
25W
Wireless charging speed
15W
15W
Has reverse wireless charging
✔
✔
Reverse wireless charging speed
4.5W
4.5W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Battery life
35.5 hours
-
Audio
Has stereo speakers
✔
✔
Has aptX
✔
-
Number of microphones
2
3
Features
Has 5G support
✔
✔
Wi-Fi version
Wi-Fi 6E (802.11ax), 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
-
Has NFC
✔
✔
SIM cards
1 SIM, 1 eSIM
1 SIM, 1 eSIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.2
5.3
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+
✔
-
Head SAR (eu)
0.71W/kg
-
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
Samsung Galaxy S21 Ultra
Vote for Your option
Samsung Galaxy S24 FE
Popular Samsung Galaxy S21 Ultra comparisons
Samsung Galaxy S21 Ultra vs Samsung Galaxy S22 Ultra
See comparison
Samsung Galaxy S21 Ultra vs Samsung Galaxy S24 Ultra
See comparison
Samsung Galaxy S21 Ultra vs Samsung Galaxy S23 Ultra
See comparison
Samsung Galaxy S21 Ultra vs Samsung Galaxy Note 20 Ultra
See comparisonPopular Samsung Galaxy S24 FE comparisons
Samsung Galaxy S24 FE vs Samsung Galaxy S24
See comparisonSamsung Galaxy S24 FE vs Samsung Galaxy S24 Ultra
See comparison
Samsung Galaxy S24 FE vs Samsung Galaxy S24 Plus
See comparison
Samsung Galaxy S24 FE vs Samsung Galaxy S23 FE
See comparison
