Samsung Galaxy S21 vs Samsung Galaxy S24
Short Description
Samsung Galaxy S21
Screen size: 6.2" / Resolution: 1080 x 2400 px / Main camera: 64 MP & 12 MP & 12 MP / Front camera: 10MP / RAM: 8GB / Battery power: 4000 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB / SIM cards: 1 SIM, 1 eSIM
Samsung Galaxy S24
Screen size: 6.2" / Resolution: 1080 x 2340 px / Main camera: 50 MP & 12 MP & 10 MP / Front camera: 12MP / RAM: 8GB, 12GB / Battery power: 4000 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB, 512GB / SIM cards: 1 SIM, 1 eSIM
Key Differences
Samsung Galaxy S21
Samsung Galaxy S24
Why is Samsung Galaxy S21 better than Samsung Galaxy S24?
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 2.6 GHz & 4 x 2 GHz & 1 x 3.2 GHz
More megapixels main camera: 64 MP & 12 MP & 12 MP vs 50 MP & 12 MP & 10 MP
Better display resolution: 1080 x 2400 px vs 1080 x 2340 px
Samsung Galaxy S21
Samsung Galaxy S24
Why is Samsung Galaxy S24 better than Samsung Galaxy S21?
More RAM memory capacity: 8GB, 12GB vs 8GB
AnTuTu score is about 116% higher
More internal storage: 128GB, 256GB, 512GB vs 128GB, 256GB
More megapixels front camera: 12MP vs 10MP
Lighter: 167 g (5.89 ounces) vs 171 g (6.03 ounces)
Narrower: 70.6 mm (2.78 inches) vs 71.2 mm (2.8 inches)
Shorter: 147 mm (5.79 inches) vs 151.7 mm (5.97 inches)
More color options: Onyx Black, Marble Grey, Cobalt Violet, Amber Yellow, Jade Green, Sandstone Orange, Sapphire Blue vs Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
The phone is 2 years and 11 months newer
Size Comparison
Samsung Galaxy S21
Samsung Galaxy S24
Height
151.7 mm
(5.97 inches)
Width
71.2 mm
(2.8 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.2"
Weight
171 g
(6.03 ounces)
6.2"
6.2"
Height
147 mm
(5.79 inches)
Width
70.6 mm
(2.78 inches)
Thickness
7.6 mm
(0.3 inches)
Screen size
6.2"
Weight
167 g
(5.89 ounces)
Height
151.7 mm
(5.97 inches)
Width
71.2 mm
(2.8 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.2"
Weight
171 g
(6.03 ounces)
Height
147 mm
(5.79 inches)
Width
70.6 mm
(2.78 inches)
Thickness
7.6 mm
(0.3 inches)
Screen size
6.2"
Weight
167 g
(5.89 ounces)
3D comparison
Samsung Galaxy S21
Samsung Galaxy S24
Samsung Galaxy S21
Samsung Galaxy S24
Expert Score
Score 3.9
Score 3.9
Samsung Galaxy S21
Samsung Galaxy S24
Samsung Galaxy S21
Samsung Galaxy S24
Score 3.9
Score 3.9
TechRadar
Samsung Galaxy S21
Samsung Galaxy S24
PCMag
Samsung Galaxy S21
Samsung Galaxy S24
Smartprix
Samsung Galaxy S21
Samsung Galaxy S24
Vote for Your option
Samsung Galaxy S21
Vote for Your option
Samsung Galaxy S24
Benchmarks
AnTuTu Score
Samsung Galaxy S21
903,780
Samsung Galaxy S24
1,951,926 +115.97%
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
253,391
Samsung Galaxy S24
459,276 +81.25%
Measures the performance of a device's processor, focusing on tasks such as computing power and multi-core efficiency.
GPU
Samsung Galaxy S21
281,676
Samsung Galaxy S24
815,023 +189.35%
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
158,352
Samsung Galaxy S24
369,015 +133.03%
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
210,361
Samsung Galaxy S24
308,612 +46.71%
Measures the overall user experience performance of a device, including factors like system responsiveness, touch sensitivity, and app launching speed.
3DMark Wild Life benchmark
Samsung Galaxy S21
5,490
Samsung Galaxy S24
13,154 +139.6%
Is a cross-platform benchmark designed to test the graphical performance of devices under high GPU load.
3DMark Wild Life Extreme benchmark
Samsung Galaxy S21
1,800
Samsung Galaxy S24
3,366 +87%
Is a cross-platform graphical benchmark that tests a device's performance under higher workloads with more detailed visuals, designed for powerful GPUs.
Geekbench 6 · Multi-Core
Samsung Galaxy S21
3,339
Samsung Galaxy S24
6,920 +107.25%
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing.
Geekbench 6 · Single-Core
Samsung Galaxy S21
1,334
Samsung Galaxy S24
2,193 +64.39%
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Battery Performance
Samsung Galaxy S21
Samsung Galaxy S24
Battery Life
Charging timePrice Comparison
Samsung Galaxy S21
Samsung Galaxy S24
Price in USA -
From $ 435
Price in Europe -
From € 558
Price in India -
From ₹ 54,490
Comparison videos
30,000+ views
Samsung Galaxy S24 Vs Samsung Galaxy S21! (Comparison) (Review)
20,000+ views
Samsung Galaxy S21 vs Samsung Galaxy S24
1,000+ views
Samsung Galaxy S24 vs Samsung Galaxy S21 - SPEED TEST + multitasking - Which is faster!
800+ views
Samsung Galaxy S24 vs Samsung Galaxy S21+ - SPEED TEST + multitasking - Which is faster!
About Products
Samsung Galaxy S21
The Samsung Galaxy S21 is a sleek, high-performance smartphone designed to meet modern needs. It features a 6.2-inch Dynamic AMOLED 2X display with a 120Hz refresh rate, providing stunning visuals and smooth scrolling, perfect for gaming and streaming. Powered by the Snapdragon 888 (or Exynos 2100, depending on region) and up to 8GB of RAM, it delivers fast, efficient multitasking and performance.
The 64MP triple-camera system captures high-quality photos and 8K video, while advanced AI enhances shots in various lighting conditions. With 5G connectivity, a 4000mAh battery supporting fast and wireless charging, and a sleek, durable design, the Galaxy S21 offers premium features in a compact package.
Samsung Galaxy S24
The Samsung Galaxy S24 is a powerhouse flagship, delivering cutting-edge technology and premium design. It features a stunning 6.2-inch Dynamic AMOLED 2X display with a 120Hz refresh rate, offering smooth, vibrant visuals ideal for gaming, streaming, and everyday use. Powered by the Snapdragon 8 Gen 3 processor and up to 8GB of RAM, the Galaxy S24 ensures lightning-fast performance and efficient multitasking.
The 50MP triple-camera system captures high-quality photos and 8K videos, while the 12MP front camera delivers sharp selfies. With 5G connectivity, a durable design, and a 4000 mAh battery supporting 25W fast charging, the Galaxy S24 combines speed, power, and endurance in a sleek package.
Technical Specifications
Show differences
Show differences
Specs
Samsung Galaxy S21
Samsung Galaxy S24
Design
Weight
171 g (6.03 ounces)
167 g (5.89 ounces)
Thickness
7.9 mm (0.31 inches)
7.6 mm (0.3 inches)
Width
71.2 mm (2.8 inches)
70.6 mm (2.78 inches)
Height
151.7 mm (5.97 inches)
147 mm (5.79 inches)
Is weather-sealed (splashproof)
✔
✔
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
1.5 m
Volume
85.33 cm³
78.87 cm³
Is dustproof and water-resistant
✔
✔
Color options
Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Onyx Black, Marble Grey, Cobalt Violet, Amber Yellow, Jade Green, Sandstone Orange, Sapphire Blue
French Repairability Index
1
-
Display
Screen size
6.2"
6.2"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
421 ppi
416 ppi
Resolution
1080 x 2400 px
1080 x 2340 px
Refresh rate
120Hz
120Hz
Touch sampling rate
240Hz
240Hz
Brightness (typical)
1300 nits
1200 nits
Has branded damage-resistant glass
✔
✔
Gorilla Glass version
Gorilla Glass Victus
Gorilla Glass Victus 2
Supports HDR10
✔
✔
Supports HDR10+
✔
✔
Always-On Display
✔
✔
Contrast ratio
3000000:1
-
Has a touch screen
✔
✔
Performance
Internal storage
128GB, 256GB
128GB, 256GB, 512GB
RAM
8GB
8GB, 12GB
Android version
Android 11
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 2.6 GHz & 4 x 2 GHz & 1 x 3.2 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
64 MP & 12 MP & 12 MP
50 MP & 12 MP & 10 MP
Front camera
10MP
12MP
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 & f/2.2
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
1.1x
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/2.2
Has timelapse function
✔
✔
Pixel size (main camera)
1.8 µm & 0.8 µm & 1.4 µm
1 µm & 1.4 µm & 1 µm
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
✔
✔
Can be used as a PC
✔
✔
Has sharing intents
✔
✔
Has a child lock
✔
✔
Is free and open source
✔
✔
Tracks the current position of a mobile device
✔
✔
Is a multi-user system
✔
✔
Supports widgets
✔
✔
More languages supported
125
125
Has offline voice recognition
✔
✔
The browser has word wrap
✔
✔
Has voice commands
✔
✔
Battery
Battery power
4000 mAh
4000 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
✔
✔
Audio
Has stereo speakers
✔
✔
Number of microphones
2
3
Features
Has 5G support
✔
✔
Wi-Fi version
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
3.2
Has NFC
✔
✔
SIM cards
1 SIM, 1 eSIM
1 SIM, 1 eSIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.1
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+
✔
-
Vote for Your option
Samsung Galaxy S21
Vote for Your option
Samsung Galaxy S24
Popular Samsung Galaxy S21 comparisons
Samsung Galaxy S21 vs Samsung Galaxy S22
See comparison
Samsung Galaxy S21 vs Samsung Galaxy S21 FE 5G
See comparison
Samsung Galaxy S21 vs Samsung Galaxy S23
See comparison
Samsung Galaxy S21 vs Samsung Galaxy A54
See comparisonPopular Samsung Galaxy S24 comparisons
Samsung Galaxy S24 vs Samsung Galaxy S24 Plus
See comparison
Samsung Galaxy S24 vs iPhone 15
See comparisonSamsung Galaxy S24 vs Samsung Galaxy S23
See comparison
Samsung Galaxy S24 vs Samsung Galaxy S24 Ultra
See comparison
