Samsung Galaxy S25 Ultra vs Vivo Y21d
Short Description
Samsung Galaxy S25 Ultra
Screen size: 6.9" / Resolution: 1440 x 3120 px / Main camera: 200 MP & 50 MP & 10 MP & 10 MP / Front camera: 12MP / RAM: 12GB / Battery power: 5000 mAh / Has 5G support: ✔ / Internal storage: 1000GB / SIM cards: 2 SIM, 2 eSIM
Vivo Y21d
Screen size: 6.68" / Resolution: 720 x 1608 px / Main camera: 50 MP / Front camera: 5MP / RAM: 4GB, 6GB, 8GB / Battery power: 6500 mAh / Internal storage: 128GB, 256GB / SIM cards: 2 SIM
Key Differences
Samsung Galaxy S25 Ultra
Vivo Y21d
How is Samsung Galaxy S25 Ultra better than Vivo Y21d?
Faster CPU speed: 2 x 4.32 GHz & 6 x 3.53 GHz vs 2 x 1.8 GHz & 6 x 1.8 GHz
More RAM memory capacity in max option: 12GB vs 4GB, 6GB, 8GB
More internal storage in max option: 1000GB vs 128GB, 256GB
More megapixels main camera: 200 MP & 50 MP & 10 MP & 10 MP vs 50 MP
More megapixels front camera: 12MP vs 5MP
Has a larger display diagonal: 6.9" vs 6.68"
Better display resolution: 1440 x 3120 px vs 720 x 1608 px
Higher charging speed: 45W vs 44W
Shorter: 162.8 mm (6.41 inches) vs 166.1 mm (6.54 inches)
More color options: Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold vs Lavender Purple, Black
Samsung Galaxy S25 Ultra
Vivo Y21d
How is Vivo Y21d better than Samsung Galaxy S25 Ultra?
Bigger battery capacity: 6500 mAh vs 5000 mAh
Lighter: 209 g (7.37 ounces) vs 218 g (7.69 ounces)
Narrower: 77 mm (3.03 inches) vs 77.6 mm (3.06 inches)
The phone is 7 months newer
Size Comparison
Samsung Galaxy S25 Ultra
Vivo Y21d
Height
162.8 mm
(6.41 inches)
Width
77.6 mm
(3.06 inches)
Thickness
8.2 mm
(0.32 inches)
Screen size
6.9"
Weight
218 g
(7.69 ounces)
6.9"
6.68"
Height
166.1 mm
(6.54 inches)
Width
77 mm
(3.03 inches)
Thickness
8.4 mm
(0.33 inches)
Screen size
6.68"
Weight
209 g
(7.37 ounces)
Height
162.8 mm
(6.41 inches)
Width
77.6 mm
(3.06 inches)
Thickness
8.2 mm
(0.32 inches)
Screen size
6.9"
Weight
218 g
(7.69 ounces)
Height
166.1 mm
(6.54 inches)
Width
77 mm
(3.03 inches)
Thickness
8.4 mm
(0.33 inches)
Screen size
6.68"
Weight
209 g
(7.37 ounces)
Vote for Your option
Samsung Galaxy S25 Ultra
Vote for Your option
Vivo Y21d
Technical Specifications
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Specs
Samsung Galaxy S25 Ultra
Vivo Y21d
Design
Weight
218 g (7.69 ounces)
209 g (7.37 ounces)
Thickness
8.2 mm (0.32 inches)
8.4 mm (0.33 inches)
Width
77.6 mm (3.06 inches)
77 mm (3.03 inches)
Height
162.8 mm (6.41 inches)
166.1 mm (6.54 inches)
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
6 m
Volume
103.59 cm³
107.43 cm³
Is dustproof and water-resistant
Water resistant
-
Color options
Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
Lavender Purple, Black
Lowest potential operating temperature
0 °C
-
Maximum operating temperature
35 °C
-
Water resistance
-
Waterproof
Display
Screen size
6.9"
6.68"
Display type
OLED/AMOLED
LCD, IPS
Pixel density
498 ppi
264 ppi
Resolution
1440 x 3120 px
720 x 1608 px
Refresh rate
120Hz
90Hz
Touch sampling rate
240Hz
-
Has branded damage-resistant glass
✔
✔
Gorilla Glass version
Gorilla Glass Armor 2
-
Supports HDR10
✔
-
Supports HDR10+
✔
-
Always-On Display
✔
-
Contrast ratio
3000000:1
-
Has a touch screen
✔
✔
Performance
Internal storage
1000GB
128GB, 256GB
RAM
12GB
4GB, 6GB, 8GB
Android version
Android 15
Android 15
CPU speed
2 x 4.32 GHz & 6 x 3.53 GHz
2 x 1.8 GHz & 6 x 1.8 GHz
GPU clock speed
1100 MHz
-
Has integrated LTE
✔
✔
RAM speed
5300 MHz
-
Semiconductor size
3 nm
-
Supports 64-bit
✔
-
DirectX version
DirectX 12
-
Has integrated graphics
✔
-
Uses big.LITTLE technology
✔
-
CPU threads
8 threads
-
Uses HMP
✔
-
Has TrustZone
✔
-
Maximum memory bandwidth
10.68 GB/s
12.8 GB/s
OpenCL version
3
-
L2 cache
12 MB
-
DDR memory version
5
-
Maximum memory amount
24GB
-
Uses multithreading
✔
-
Shading units
1536
-
Release date
2025
2026
Memory channels
2
-
GPU turbo
-
614.4 MHz
Supports ecc memory
✔
-
Has an external memory slot
-
✔
Cameras
Main camera
200 MP & 50 MP & 10 MP & 10 MP
50 MP
Front camera
12MP
5MP
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/1.9 & f/2.4
f/1.8
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
0x
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)
0.6 µm & 0.7 µm & 0.7 µm & 1.12 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
✔
-
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
✔
✔
Can block app tracking
-
✔
Has on-device machine learning
-
✔
Has Live Text
-
✔
Has offline voice recognition
✔
✔
The browser has word wrap
✔
-
Has voice commands
✔
✔
Has notification permissions
-
✔
Has media picker
-
✔
Has full-page screenshots
-
✔
Has PiP
-
✔
Battery
Battery power
5000 mAh
6500 mAh
Has wireless charging
✔
-
Supports fast charging
✔
✔
Charging speed
45W
44W
Wireless charging speed
25W
-
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
✔
✔
Comes with a charger
-
✔
Audio
Has stereo speakers
✔
✔
Has LDAC
✔
-
Has aptX HD
✔
-
Has aptX Lossless
✔
-
Number of microphones
3
-
Features
Has 5G support
✔
-
Wi-Fi version
Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 7 (802.11be), Wi-Fi 6E (802.11ax)
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Download speed
10000 MBits/s
300 MBits/s
Upload speed
3500 MBits/s
100 MBits/s
Has USB Type-C
✔
✔
USB version
3.2
2
Has NFC
✔
-
SIM cards
2 SIM, 2 eSIM
2 SIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.4
5.2
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
✔
✔
Supports ant+
✔
-
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Vote for Your option
Samsung Galaxy S25 Ultra
Vote for Your option
Vivo Y21d
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