Samsung Galaxy S21
Xiaomi Mi 11 Ultra
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
How is Samsung Galaxy S21 better than Xiaomi Mi 11 Ultra?
Faster CPU speed: 1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz vs 1 x 2.84 GHz & 3 x 2.42 GHz & 4 x 1.8
More megapixels main camera: 64 MP & 12 MP & 12 MP vs 50 MP & 48 MP & 48 MP
Lighter: 171 g (6.03 ounces) vs 234 g (8.25 ounces)
Narrower: 71.2 mm (2.8 inches) vs 74.6 mm (2.94 inches)
Shorter: 151.7 mm (5.97 inches) vs 164.3 mm (6.47 inches)
More color options: Phantom Gray, Phantom White, Phantom Violet, Phantom Pink vs Ceramic White (Cosmic White), Ceramic Black (Cosmic Black)
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
How is Xiaomi Mi 11 Ultra better than Samsung Galaxy S21?
Bigger battery capacity: 5000 mAh vs 4000 mAh
More RAM memory capacity in max option: 8GB, 12GB vs 8GB
AnTuTu score is about 2% higher
More internal storage in max option: 256GB, 512GB vs 128GB, 256GB
More megapixels front camera: 20MP vs 10MP
Has a larger display diagonal: 6.81" vs 6.2"
Better display resolution: 1440 x 3200 px vs 1080 x 2400 px
Higher charging speed: 67W vs 25W
The phone is 1 month newer
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
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
164.3 mm
(6.47 inches)
Width
74.6 mm
(2.94 inches)
Thickness
8.4 mm
(0.33 inches)
Screen size
6.81"
Weight
234 g
(8.25 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
164.3 mm
(6.47 inches)
Width
74.6 mm
(2.94 inches)
Thickness
8.4 mm
(0.33 inches)
Screen size
6.81"
Weight
234 g
(8.25 ounces)
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
Score 3.9
Score 4.1
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
Score 3.9
Score 4.1

TechRadar
Samsung Galaxy S21
Xiaomi Mi 11 Ultra

Tom's Guide
Samsung Galaxy S21
Xiaomi Mi 11 Ultra

Smartprix
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
AnTuTu Score
Samsung Galaxy S21
903,780
Xiaomi Mi 11 Ultra
923,576 +2.19%
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 +2.67%
Xiaomi Mi 11 Ultra
246,800
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 +8.21%
Xiaomi Mi 11 Ultra
260,294
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
Xiaomi Mi 11 Ultra
182,528 +15.27%
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
Xiaomi Mi 11 Ultra
233,954 +11.22%
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 +3.88%
Xiaomi Mi 11 Ultra
5,285
Is a cross-platform benchmark designed to test the graphical performance of devices under high GPU load.
3DMark Wild Life Unlimited benchmark
Samsung Galaxy S21
5,760 +9.13%
Xiaomi Mi 11 Ultra
5,278
Is a cross-platform graphical benchmark that tests a device's performance while eliminating the impact of screen resolution for more objective platform comparisons.
3DMark Wild Life Extreme benchmark
Samsung Galaxy S21
1,800 +36.99%
Xiaomi Mi 11 Ultra
1,314
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 +5.17%
Xiaomi Mi 11 Ultra
3,175
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 +10.16%
Xiaomi Mi 11 Ultra
1,211
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Geekbench 5 · Multi-Core
Samsung Galaxy S21
3,715 +21.01%
Xiaomi Mi 11 Ultra
3,070
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing in Geekbench 5.
Geekbench 5 · Single-Core
Samsung Galaxy S21
1,093 +11.08%
Xiaomi Mi 11 Ultra
984
Measures the performance of a single processor core in a device, evaluating its efficiency in handling single-threaded tasks in Geekbench 5.
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
Show differences
Show differences
Specs
Samsung Galaxy S21
Xiaomi Mi 11 Ultra
Design
Weight
171 g (6.03 ounces)
234 g (8.25 ounces)
Thickness
7.9 mm (0.31 inches)
8.4 mm (0.33 inches)
Width
71.2 mm (2.8 inches)
74.6 mm (2.94 inches)
Height
151.7 mm (5.97 inches)
164.3 mm (6.47 inches)
Is weather-sealed (splashproof)
✔
✔
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
1.5 m
Volume
85.33 cm³
102.96 cm³
Is dustproof and water-resistant
✔
✔
Color options
Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Ceramic White (Cosmic White), Ceramic Black (Cosmic Black)
French Repairability Index
1
-
Display
Screen size
6.2"
6.81"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
421 ppi
515 ppi
Resolution
1080 x 2400 px
1440 x 3200 px
Refresh rate
120Hz
120Hz
Touch sampling rate
240Hz
480Hz
Brightness (typical)
1300 nits
1700 nits
Has branded damage-resistant glass
✔
✔
Gorilla Glass version
Gorilla Glass Victus
Gorilla Glass Victus
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
256GB, 512GB
RAM
8GB
8GB, 12GB
Android version
Android 11
Android 13
CPU speed
1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz
1 x 2.84 GHz & 3 x 2.42 GHz & 4 x 1.8
Has integrated LTE
✔
✔
RAM speed
3200 MHz
3200 MHz
Semiconductor size
5 nm
5 nm
Supports 64-bit
✔
✔
DirectX version
DirectX 12
DirectX 12
Has integrated graphics
✔
✔
OpenGL ES version
3.2
3.2
Uses big.LITTLE technology
✔
✔
CPU threads
8 threads
8 threads
Uses HMP
✔
-
Has TrustZone
✔
✔
Maximum memory bandwidth
51.2 GB/s
51.2 GB/s
OpenCL version
2
2
L2 cache
-
1 MB
DDR memory version
5
5
Maximum memory amount
16GB
16GB
L3 cache
-
3 MB
GPU execution units
-
2
Thermal Design Power (TDP)
9W
10W
Release date
2021
2021
Has NX bit
✔
✔
Memory channels
4
-
GPU turbo
854 MHz
840 MHz
L1 cache
-
512 KB
Cameras
Main camera
64 MP & 12 MP & 12 MP
50 MP & 48 MP & 48 MP
Front camera
10MP
20MP
Has built-in optical image stabilization
✔
✔
Video recording (main camera)
4320 x 24 fps
4320 x 24 fps
Wide aperture (main camera)
f/1.8 & f/2 & f/2.2
f/1.95 & 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
5x
Number of flash LEDs
2
3
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
1.4 µm & 0.8 µm & 0.8 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
✔
✔
Supports widgets
✔
-
More languages supported
125
-
Has offline voice recognition
✔
✔
The browser has word wrap
✔
✔
Has voice commands
✔
✔
Battery
Battery power
4000 mAh
5000 mAh
Has wireless charging
✔
✔
Supports fast charging
✔
✔
Charging speed
25W
67W
Wireless charging speed
15W
67W
Has reverse wireless charging
✔
✔
Reverse wireless charging speed
4.5W
10W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Audio
Has stereo speakers
✔
✔
Has aptX HD
-
✔
Has aptX Lossless
-
✔
Has aptX
-
✔
Number of microphones
2
3
Has aptX Adaptive
-
✔
Features
Has 5G support
✔
✔
Wi-Fi version
Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Download speed
3000 MBits/s
7500 MBits/s
Upload speed
422 MBits/s
3000 MBits/s
Has USB Type-C
✔
✔
USB version
3.2
3.1
Has NFC
✔
✔
SIM cards
1 SIM, 1 eSIM
2 SIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.1
5.2
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+
✔
-
Is DLNA-certified
-
✔
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Samsung Galaxy S21
Xiaomi Mi 11 Ultra