Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
How is Samsung Galaxy S21 Ultra better than Xiaomi 15T Pro?
More RAM memory capacity in max option: 12GB, 16GB vs 12GB
More megapixels main camera: 108 MP & 12 MP & 10 MP & 10 MP vs 50 MP & 50 MP & 12 MP
More megapixels front camera: 40MP vs 32MP
Better display resolution: 1440 x 3200 px vs 1220 x 2712 px
Narrower: 75.6 mm (2.98 inches) vs 77.9 mm (3.07 inches)
More color options: Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy vs Black, Gray, Mocha Gold
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
How is Xiaomi 15T Pro better than Samsung Galaxy S21 Ultra?
Bigger battery capacity: 5500 mAh vs 5000 mAh
Faster CPU speed: 1 x 3.73 GHz & 4 x 3.3 GHz & 3 x 2.4 GHz vs 1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz
AnTuTu score is about 222% higher
More internal storage in max option: 256GB, 512GB, 1TB vs 128GB, 256GB, 512GB
Has a larger display diagonal: 6.83" vs 6.8"
Higher charging speed: 90W vs 25W
Lighter: 210 g (7.41 ounces) vs 229 g (8.08 ounces)
Shorter: 162.7 mm (6.41 inches) vs 165.1 mm (6.5 inches)
The phone is 3 years and 9 months newer
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
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
162.7 mm
(6.41 inches)
Width
77.9 mm
(3.07 inches)
Thickness
8 mm
(0.31 inches)
Screen size
6.83"
Weight
210 g
(7.41 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
162.7 mm
(6.41 inches)
Width
77.9 mm
(3.07 inches)
Thickness
8 mm
(0.31 inches)
Screen size
6.83"
Weight
210 g
(7.41 ounces)
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
Score 4.3
Score 4.4
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
Score 4.3
Score 4.4

TechRadar
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro

Tech Advisor
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro

Smartprix
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
AnTuTu Score
Samsung Galaxy S21 Ultra
843,008
Xiaomi 15T Pro
2,718,159 +222.44%
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
Xiaomi 15T Pro
601,093 +158.69%
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
Xiaomi 15T Pro
1,227,523 +378.84%
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
Xiaomi 15T Pro
415,530 +154.92%
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
Xiaomi 15T Pro
474,013 +147.89%
Measures the overall user experience performance of a device, including factors like system responsiveness, touch sensitivity, and app launching speed.
Geekbench 6 · Multi-Core
Samsung Galaxy S21 Ultra
3,339
Xiaomi 15T Pro
8,135 +143.64%
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 Ultra
1,334
Xiaomi 15T Pro
2,731 +104.72%
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
Show differences
Show differences
Specs
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro
Design
Weight
229 g (8.08 ounces)
210 g (7.41 ounces)
Thickness
8.9 mm (0.35 inches)
8 mm (0.31 inches)
Width
75.6 mm (2.98 inches)
77.9 mm (3.07 inches)
Height
165.1 mm (6.5 inches)
162.7 mm (6.41 inches)
Is weather-sealed (splashproof)
✔
-
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
3 m
Volume
111.09 cm³
101.39 cm³
Is dustproof and water-resistant
✔
-
Color options
Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
Black, Gray, Mocha Gold
French Repairability Index
8.2
-
Water resistance
-
Waterproof
Display
Screen size
6.8"
6.83"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
515 ppi
435 ppi
Resolution
1440 x 3200 px
1220 x 2712 px
Refresh rate
120Hz
144Hz
Touch sampling rate
-
480Hz
Brightness (typical)
1500 nits
-
Has branded damage-resistant glass
✔
✔
Gorilla Glass version
Gorilla Glass Victus
Gorilla Glass 7i
Supports HDR10
✔
✔
Supports HDR10+
✔
✔
Always-On Display
✔
✔
Supports Dolby Vision
-
✔
Contrast ratio
3000000:1
5000000:1
Has a curved display
✔
-
Has a touch screen
✔
✔
Performance
Internal storage
128GB, 256GB, 512GB
256GB, 512GB, 1TB
RAM
12GB, 16GB
12GB
Android version
Android 14
Android 16
CPU speed
1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz
1 x 3.73 GHz & 4 x 3.3 GHz & 3 x 2.4 GHz
GPU clock speed
-
1300 MHz
Has integrated LTE
✔
✔
RAM speed
3200 MHz
-
Semiconductor size
5 nm
-
Supports 64-bit
✔
-
DirectX version
DirectX 12
-
Has integrated graphics
✔
-
OpenGL ES version
3.2
-
Uses big.LITTLE technology
✔
-
CPU threads
8 threads
-
Uses HMP
✔
-
Has TrustZone
✔
-
Maximum memory bandwidth
51.2 GB/s
85.3 GB/s
OpenCL version
2
-
DDR memory version
5
-
Maximum memory amount
16GB
-
Thermal Design Power (TDP)
9W
-
Release date
2021
2025
GPU turbo
854 MHz
-
Has NX bit
✔
-
Memory channels
4
-
Cameras
Main camera
108 MP & 12 MP & 10 MP & 10 MP
50 MP & 50 MP & 12 MP
Front camera
40MP
32MP
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/1.6 & f/3 & f/2.2
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
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
✔
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.2
f/2.2
Has timelapse function
✔
-
Minimum focal length
-
15 mm
Maximum focal length
-
46 mm
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
✔
✔
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
-
✔
Supports widgets
✔
-
More languages supported
125
-
Has offline voice recognition
✔
✔
The browser has word wrap
✔
-
Has voice commands
✔
✔
Has full-page screenshots
-
✔
Has PiP
-
✔
Has notification permissions
-
✔
Has media picker
-
✔
Battery
Battery power
5000 mAh
5500 mAh
Has wireless charging
✔
✔
Supports fast charging
✔
✔
Charging speed
25W
90W
Wireless charging speed
15W
50W
Has reverse wireless charging
✔
-
Reverse wireless charging speed
4.5W
-
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Battery life
35.5 hours
-
Comes with a charger
-
✔
Audio
Has stereo speakers
✔
✔
Has aptX
✔
-
Number of microphones
2
-
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), Wi-Fi 7 (802.11be)
Download speed
3000 MBits/s
7300 MBits/s
Upload speed
422 MBits/s
-
Has USB Type-C
✔
-
USB version
3.2
2
Has NFC
✔
✔
SIM cards
1 SIM, 1 eSIM
2 SIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.2
6
Has a gyroscope
✔
✔
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Has a barometer
✔
-
Supports Galileo
✔
✔
Has an infrared sensor
-
✔
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.
Samsung Galaxy S21 Ultra
Xiaomi 15T Pro