Home Phone comparison Xiaomi Mi 11 Ultra and Samsung Galaxy S21 Plus - Which is better?

Xiaomi Mi 11 Ultra vs Samsung Galaxy S21 Plus

69 out 100
Xiaomi Mi 11 Ultra
VS
67 out 100
Samsung Galaxy S21 Plus
Xiaomi Mi 11 Ultra
Samsung Galaxy S21 Plus

Compared 2 smartphones : Xiaomi Mi 11 Ultra Manufactured in April, 2021, with display 6.81 with chipsetQualcomm Snapdragon 888, vs Samsung Galaxy S21 Plus, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Xiaomi Mi 11 Ultra
  • Larger display: 6.81in
  • Higher pixel density: 515ppi
  • Higher battery capacity: 5000mAh vs 4800mAh
  • Newer Bluetooth version: 5.2 vs 5
  • Infrared port
Reasons to choose Samsung Galaxy S21 Plus
  • Lighter design: 200g vs 234g
  • Supports newer USB: 3.2 vs 2
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB		 - 8/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Mi 11 Ultra and Samsung Galaxy S21 Plus
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Mi 11 Ultra
vs
Samsung Galaxy S21 Plus

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.81 in 6.7 in
Resolution 1440x3200 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 515 ppi 394 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes Yes (48-120 Hz)
Max brightness 900 nits 1300 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 91.4 % 88.7 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi Mi 11 Ultra
939 nits
Samsung Galaxy S21 Plus
879 nits
sRGB gamut99.8 %98.9 %
PWM (Flicker)510 Hz240 Hz
Response time2.8 ms6.2 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi Mi 11 Ultra], [Samsung Galaxy S21 Plus]

Design & Build

Design and ergonomics comparison
Height 164.3 mm (6.47 in) 161.5 mm (6.36 in)
Width 74.6 mm (2.94 in) 75.6 mm (2.98 in)
Thickness 8.4 mm (0.33 in) 7.8 mm (0.31 in)
Weight 234 g (8.25 oz) 200 g (7.05 oz)
Water resistance IP68 IP68
Back panel Ceramic Glass
Frame Metal Metal
Colors - White
- Black		 - Black
- Silver
- Gold
- Red
- Purple
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi Mi 11 Ultra
91.4 %
Samsung Galaxy S21 Plus
88.7 %

Performance

Testing Xiaomi Mi 11 Ultra and Samsung Galaxy S21 Plus In benchmarks
Processor
Chipset Qualcomm Snapdragon 888 Samsung Exynos 2100
Max Frequency 2840 MHz 2840 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.8 (Kryo 680 Silver (Cortex-A55))
- 3/2.42 (Kryo 680 Gold (Cortex-A78))
- 1/2.84 (Kryo 680 Prime (Cortex-X1))		 - 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
Process Samsung Samsung
Transistor Size 5 nm 5 nm
Neural Processor Hexagon 780 Yes
Graphics Adreno 660 Mali-G78 MP14
GPU Cores 1024 896
GPU Frequency 840 MHz 854 MHz
FLOPS 1290.2 GFLOPS 1530.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Mi 11 Ultra
1463
Samsung Galaxy S21 Plus
1428
Geekbench 6 (Multi-Core)
Xiaomi Mi 11 Ultra
3911
Samsung Galaxy S21 Plus
3840
Geekbench 6 (Single-Core)14631428
Geekbench 6 (Multi-Core)39113840
AnTuTu 10
AnTuTu 10
Xiaomi Mi 11 Ultra
923576
Samsung Galaxy S21 Plus
919348
CPU246800262973
GPU260294294382
Memory182528147307
UX233954214686
NanoReview Score923576919348
3DMark Wild Life
3DMark Wild Life
Xiaomi Mi 11 Ultra
5285
Samsung Galaxy S21 Plus
5538
Max Surface Temp.43.1 °C41.5 °C
Stability91 %67 %
Graphics Test31 fps33 fps
Graphics Score52855538
Sources: 3DMark [Xiaomi Mi 11 Ultra], [Samsung Galaxy S21 Plus]
PCMark 3.0
PCMark 3.0
Xiaomi Mi 11 Ultra
12250
Samsung Galaxy S21 Plus
n/a
Writing score14672n/a
Web score11015n/a
Video editing7568n/a
Data manipulation9531n/a
NanoReview Score12250n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 8 GB
Memory Type LPDDR5 LPDDR5
Memory Frequency 2750 MHz 2750 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB		- 128 GB
- 256 GB
Storage TypeUFS 3.1UFS 3.1
Memory CardNoNo

Software

OS Android 11 (Upgradeable to Android 14) Android 11 (Upgradeable to Android 14)
OS Size 31 GB 27.2 GB
UI Skin HyperOS 1.0 One UI 6

Battery

Volume 5000 mAh 4800 mAh
Max Charging Power 67 W 25 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging Yes (67 W) Yes (15 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (90% in 30 min) Yes (54% in 30 min)
Full Charge Time 0:37 h 1:12 h
Battery Life Test
Battery Life
Xiaomi Mi 11 Ultra
17:59
Samsung Galaxy S21 Plus
20:53
Web Browsing06:28 h07:28 h
Video Playback11:22 h13:15 h
Games04:38 h05:04 h
Standby Mode90 h105 h

Main camera

Matrix 50 MP 12 MP
Photo resolution 8700x5800 pixels 4000x3000 pixels
Zoom Optical, 5x Optical, 1.1x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS Up to 24FPS
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (1080p) 960 fps (720p)
Wide-angle lens 128 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 48 MP
Ultra-wide: 48 MP		 Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP12 MP
Aperturef/2.0f/1.8
Focal length24 mm26 mm
SensorSamsung GN2Sony IMX555
Sensor size1/1.121/1.76
Pixel size1.4 μm1.8 μm
AutofocusLaser autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix48 MP64 MP
Aperturef/4.1f/2.0
Focal length120 mm28 mm
SensorSony IMX586Samsung Bright S5KGW2
Sensor size1/21/1.72
Pixel size0.8 μm0.8 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix48 MP12 MP
Aperturef/2.2f/2.2
Focal length12 mm13 mm
SensorSony IMX586Sony IMX563
Sensor size1/21/2.55
Pixel size0.8 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi Mi 11 Ultra
139
Samsung Galaxy S21 Plus
129
Video quality
Xiaomi Mi 11 Ultra
138
Samsung Galaxy S21 Plus
137
Overall camera score
Xiaomi Mi 11 Ultra
141
Samsung Galaxy S21 Plus
133
Bokeh7570
Preview7272
Zoom142126
Sources: DxOMark [Xiaomi Mi 11 Ultra], [Samsung Galaxy S21 Plus]

Front camera

Matrix 20 MP 10 MP
Photo resolution 5380x3620 pixels 3872x2592 pixels
Aperture f/2.3 f/2.2
Focal length 27 mm 26 mm
Sensor Samsung S5K3T2 Sony IMX374
Sensor size 1/3.4 1/3.24
Pixel size 0.8 μm 1.22 μm
Autofocus Phase autofocus Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi Mi 11 Ultra
117
Samsung Galaxy S21 Plus
n/a
Video quality
Xiaomi Mi 11 Ultra
139
Samsung Galaxy S21 Plus
n/a

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- USB-Host mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM850 900 1800 MHzGSM 850, 900, 1800, 1900 MHz
3G BandsWCDMAB1 / B2 / B4 / B5 / B8 / B19WCDMA Band 1, 2, 4, 5, 8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B28/B32/B38/B40/B41/B42/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
LTE category2424
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Mi 11 Ultra
89.5 dB
Samsung Galaxy S21 Plus
87.8 dB

Other

Class Flagship Flagship
Announced March, 2021 yr January, 2021 yr
Release Date April, 2021 yr February, 2021 yr
Launch Price ($) 1299 1000
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below