Samsung Galaxy S24 Ultra vs Samsung Galaxy A21
Short Description
Samsung Galaxy S24 Ultra
Screen size: 6.8" / Resolution: 1440 x 3120 px / Main camera: 200 MP & 50 MP & 12 MP & 10 MP / Front camera: 12MP / RAM: 8GB, 12GB / Battery power: 5000 mAh / Has 5G support: ✔ / Internal storage: 256GB, 512GB, 1TB / SIM cards: 1 SIM, 1 eSIM
Samsung Galaxy A21
Screen size: 6.4" / Resolution: 720 x 1600 px / Main camera: 13 MP & 5 MP & 2 MP & 2 MP / Front camera: 8MP / RAM: 3GB / Battery power: 4000 mAh / Internal storage: 32GB / SIM cards: 1 SIM
Key Differences
Samsung Galaxy S24 Ultra
Samsung Galaxy A21
How is Samsung Galaxy S24 Ultra better than Samsung Galaxy A21?
Bigger battery capacity: 5000 mAh vs 4000 mAh
Faster CPU speed: 3 x 3.15 GHz & 2 x 2.96 GHz & 2 x 2.26 GHz & 1 x 3.3 GHz vs 4 x 2.3 GHz & 4 x 1.8 GHz
More RAM memory capacity in max option: 8GB, 12GB vs 3GB
AnTuTu score is about 1,401% higher
More internal storage in max option: 256GB, 512GB, 1TB vs 32GB
More megapixels main camera: 200 MP & 50 MP & 12 MP & 10 MP vs 13 MP & 5 MP & 2 MP & 2 MP
More megapixels front camera: 12MP vs 8MP
Has a larger display diagonal: 6.8" vs 6.4"
Better display resolution: 1440 x 3120 px vs 720 x 1600 px
Shorter: 162.3 mm (6.39 inches) vs 167.8 mm (6.61 inches)
More color options: Titanium Black, Titanium Gray, Titanium Violet, Titanium Yellow, Titanium Blue, Titanium Green, Titanium Orange vs Black
The phone is 3 years and 7 months newer
Samsung Galaxy S24 Ultra
Samsung Galaxy A21
How is Samsung Galaxy A21 better than Samsung Galaxy S24 Ultra?
Lighter: 193 g (6.81 ounces) vs 233 g (8.22 ounces)
Narrower: 76.7 mm (3.02 inches) vs 79 mm (3.11 inches)
Size Comparison
Samsung Galaxy S24 Ultra
Samsung Galaxy A21
Height
162.3 mm
(6.39 inches)
Width
79 mm
(3.11 inches)
Thickness
8.6 mm
(0.34 inches)
Screen size
6.8"
Weight
233 g
(8.22 ounces)
6.8"
6.4"
Height
167.8 mm
(6.61 inches)
Width
76.7 mm
(3.02 inches)
Thickness
8.1 mm
(0.32 inches)
Screen size
6.4"
Weight
193 g
(6.81 ounces)
Height
162.3 mm
(6.39 inches)
Width
79 mm
(3.11 inches)
Thickness
8.6 mm
(0.34 inches)
Screen size
6.8"
Weight
233 g
(8.22 ounces)
Height
167.8 mm
(6.61 inches)
Width
76.7 mm
(3.02 inches)
Thickness
8.1 mm
(0.32 inches)
Screen size
6.4"
Weight
193 g
(6.81 ounces)
3D comparison
Samsung Galaxy S24 Ultra
Samsung Galaxy A21
Samsung Galaxy S24 Ultra
Samsung Galaxy A21
Expert Score
Score 4.4
Score 4.0
Samsung Galaxy S24 Ultra
Samsung Galaxy A21
Samsung Galaxy S24 Ultra
Samsung Galaxy A21
Score 4.4
Score 4.0
Smartprix
Samsung Galaxy S24 Ultra
Samsung Galaxy A21
Vote for Your option
Samsung Galaxy S24 Ultra
Vote for Your option
Samsung Galaxy A21
Benchmarks
AnTuTu Score
Samsung Galaxy S24 Ultra
1,952,680 +1400.73%
Samsung Galaxy A21
130,115
The score reflects a device's overall performance by summing up results from tests of RAM speed, CPU, and 2D/3D graphics.
Geekbench 6 · Multi-Core
Samsung Galaxy S24 Ultra
7,085 +851.01%
Samsung Galaxy A21
745
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing.
Geekbench 6 · Single-Core
Samsung Galaxy S24 Ultra
2,267 +1273.94%
Samsung Galaxy A21
165
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Battery Performance
Samsung Galaxy S24 Ultra
Samsung Galaxy A21
Battery Life
Charging timeComparison videos
6+ views
Samsung Galaxy A21 vs Samsung Galaxy S24 Ultra Technical Comparison
Technical Specifications
Show differences
Show differences
Specs
Samsung Galaxy S24 Ultra
Samsung Galaxy A21
Design
Weight
233 g (8.22 ounces)
193 g (6.81 ounces)
Thickness
8.6 mm (0.34 inches)
8.1 mm (0.32 inches)
Width
79 mm (3.11 inches)
76.7 mm (3.02 inches)
Height
162.3 mm (6.39 inches)
167.8 mm (6.61 inches)
Is weather-sealed (splashproof)
✔
-
Ingress Protection (IP) rating
IP68
-
Waterproof depth rating
1.5 m
-
Volume
110.27 cm³
104.25 cm³
Is dustproof and water-resistant
✔
-
Color options
Titanium Black, Titanium Gray, Titanium Violet, Titanium Yellow, Titanium Blue, Titanium Green, Titanium Orange
Black
Display
Screen size
6.8"
6.4"
Display type
OLED/AMOLED
IPS, LCD
Pixel density
501 ppi
274 ppi
Resolution
1440 x 3120 px
720 x 1600 px
Refresh rate
120Hz
-
Touch sampling rate
240Hz
-
Brightness (typical)
1200 nits
-
Has branded damage-resistant glass
✔
-
Gorilla Glass version
Gorilla Glass Armor
-
Supports HDR10
✔
-
Supports HDR10+
✔
-
Always-On Display
✔
-
Contrast ratio
3000000:1
-
Has a touch screen
✔
✔
Performance
Internal storage
256GB, 512GB, 1TB
32GB
RAM
8GB, 12GB
3GB
Android version
Android 14
Android 10
CPU speed
3 x 3.15 GHz & 2 x 2.96 GHz & 2 x 2.26 GHz & 1 x 3.3 GHz
4 x 2.3 GHz & 4 x 1.8 GHz
GPU clock speed
900 MHz
650 MHz
Has integrated LTE
✔
✔
RAM speed
4800 MHz
1600 MHz
Semiconductor size
4 nm
12 nm
Supports 64-bit
✔
✔
DirectX version
DirectX 12
DirectX 10
Has integrated graphics
✔
✔
OpenGL version
3.3
3.2
OpenGL ES version
3.2
3.2
Uses big.LITTLE technology
✔
✔
CPU threads
8 threads
8 threads
Uses HMP
✔
✔
Has TrustZone
✔
✔
Maximum memory bandwidth
76.6 GB/s
14.9 GB/s
OpenVG version
1.2
-
OpenCL version
2
1.2
L2 cache
1 MB
-
EMMC version
5.1
5.1
DDR memory version
5
4
Maximum memory amount
24GB
6GB
L3 cache
12 MB
-
Uses multithreading
✔
-
GPU execution units
3
-
Thermal Design Power (TDP)
12.5W
5W
Release date
2024
2020
Has NX bit
-
✔
GPU turbo
-
680 MHz
Has an external memory slot
-
✔
Maximum amount of external memory supported
-
128GB
Bits executed at a time
-
128
VFP version
-
4
Cameras
Main camera
200 MP & 50 MP & 12 MP & 10 MP
13 MP & 5 MP & 2 MP & 2 MP
Front camera
12MP
8MP
Has built-in optical image stabilization
✔
-
Video recording (main camera)
4320 x 30 fps
1080 x 30 fps
Wide aperture (main camera)
f/1.7 & f/3.4 & 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
5x
-
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/2.0
Has timelapse function
✔
-
Supports HDR10 recording
✔
-
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
4000 mAh
Has wireless charging
✔
-
Supports fast charging
✔
✔
Charging speed
45W
-
Wireless charging speed
15W
-
Has reverse wireless charging
✔
-
Reverse wireless charging speed
4.5W
-
Has an ultra power-saving mode
✔
-
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Audio
Has stereo speakers
✔
-
Has LDAC
✔
✔
Has aptX HD
✔
-
Has aptX Lossless
✔
-
Has aptX
-
✔
Number of microphones
3
2
Has a socket for a 3.5 mm audio jack
-
✔
Has a radio
-
✔
Features
Has 5G support
✔
-
Wi-Fi version
Wi-Fi 4 (802.11n), Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 7 (802.11be)
Wi-Fi 4 (802.11n)
Download speed
10000 MBits/s
150 MBits/s
Upload speed
3500 MBits/s
50 MBits/s
Has USB Type-C
✔
✔
USB version
3.2
2
Has NFC
✔
✔
SIM cards
1 SIM, 1 eSIM
1 SIM
Has a fingerprint scanner
✔
✔
Has emergency SOS via satellite
✔
-
Bluetooth version
5.3
5
Has a gyroscope
✔
✔
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Has a barometer
✔
-
Stylus included
✔
-
Supports Galileo
✔
-
Has an accelerometer
-
✔
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
Samsung Galaxy S24 Ultra
Vote for Your option
Samsung Galaxy A21
Popular Samsung Galaxy S24 Ultra comparisons
Samsung Galaxy S24 Ultra vs iPhone 15 Pro Max
See comparison
Samsung Galaxy S24 Ultra vs Samsung Galaxy S23 Ultra
See comparison
Samsung Galaxy S24 Ultra vs Google Pixel 8 Pro
See comparison
Samsung Galaxy S24 Ultra vs Samsung Galaxy S24 Plus
See comparisonPopular Samsung Galaxy A21 comparisons
Samsung Galaxy A21 vs Samsung Galaxy A14
See comparison
Samsung Galaxy A21 vs Samsung Galaxy A51
See comparison
Samsung Galaxy A21 vs Samsung Galaxy A54
See comparison
Samsung Galaxy A21 vs Samsung Galaxy S21
See comparison
