Home Phone comparison Xiaomi 14 and Samsung Galaxy S21 Ultra - Which is better?

Xiaomi 14 vs Samsung Galaxy S21 Ultra

85 out 100
Xiaomi 14
VS
67 out 100
Samsung Galaxy S21 Ultra
Xiaomi 14
Samsung Galaxy S21 Ultra

Compared 2 smartphones : Xiaomi 14 Manufactured in November, 2023, with display 6.36 with chipsetQualcomm Snapdragon 8 Gen 3, vs Samsung Galaxy S21 Ultra, Manufactured in February, 2021with 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 14
  • Lighter design: 193g vs 227g
  • Newer Bluetooth version: 5.4 vs 5.2
  • Supports DisplayPort
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy S21 Ultra
  • Larger display: 6.8in
  • Higher pixel density: 515ppi
  • Higher battery capacity: 5000mAh vs 4610mAh

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB
- 16/512 GB
- 16/1024 GB		 - 12/128 GB
- 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB

Review

Key Specs Xiaomi 14 and Samsung Galaxy S21 Ultra
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 14
vs
Galaxy S21 Ultra

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.36 in 6.8 in
Resolution 1200x2670 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 460 ppi 515 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (10-120 Hz) Yes (10-120 Hz)
Max brightness 3000 nits 1500 nits
HDR support Yes Dolby Vision Yes HDR10+
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 89.4 % 89.5 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi 14
1170 nits
Samsung Galaxy S21 Ultra
1019 nits
sRGB gamut99.6 %n/a
PWM (Flicker)429 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 14], [Samsung Galaxy S21 Ultra]

Design & Build

Design and ergonomics comparison
Height 152.8 mm (6.02 in) 165.1 mm (6.5 in)
Width 71.5 mm (2.81 in) 75.6 mm (2.98 in)
Thickness 8.2 mm (0.32 in) 8.9 mm (0.35 in)
Weight 193 g (6.81 oz) 227 g (8.01 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Silver
- Green
- Pink		 - Black
- Silver
- Gray
- Blue
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 14
89.4 %
Samsung Galaxy S21 Ultra
89.5 %

Performance

Testing Xiaomi 14 and Samsung Galaxy S21 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Samsung Exynos 2100
Max Frequency 3300 MHz 2900 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (1 + 3 + 4)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)		 - 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
Process TSMC Samsung
Transistor Size 4 nm 5 nm
Neural Processor Hexagon Yes
Graphics Adreno 750 Mali-G78 MP14
GPU Cores 1536 896
GPU Frequency 903-1000 MHz 854 MHz
FLOPS 2774 GFLOPS 1530.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 14
2182
Samsung Galaxy S21 Ultra
1449
Geekbench 6 (Multi-Core)
Xiaomi 14
6991
Samsung Galaxy S21 Ultra
3892
Geekbench 6 (Single-Core)21821449
Geekbench 6 (Multi-Core)69913892
Sources: Geekbench v6 [Xiaomi 14]
AnTuTu 10
AnTuTu 10
Xiaomi 14
2031113
Samsung Galaxy S21 Ultra
843008
CPU452780232358
GPU851183256356
Memory411673163007
UX315477191217
NanoReview Score2031113843008
3DMark Wild Life
3DMark Wild Life
Xiaomi 14
15419
Samsung Galaxy S21 Ultra
5221
Max Surface Temp.47.9 °C40.8 °C
Stability70 %69 %
Graphics Test92 fps31 fps
Graphics Score154195221
Sources: 3DMark [Xiaomi 14], [Samsung Galaxy S21 Ultra]
PCMark 3.0
PCMark 3.0
Xiaomi 14
16364
Samsung Galaxy S21 Ultra
n/a
Writing score19653n/a
Web score15768n/a
Video editing7891n/a
Data manipulation16120n/a
NanoReview Score16364n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB
- 16 GB		 - 12 GB
- 16 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 4200 MHz 2750 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 128 GB
- 256 GB
- 512 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 11 (Upgradeable to Android 14)
OS Size 28 GB 26.4 GB
UI Skin HyperOS 2.0 One UI 6

Battery

Volume 4610 mAh 5000 mAh
Max Charging Power 90 W 25 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging Yes (50 W) Yes (15 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (58% in 15 min) Yes (54% in 30 min)
Full Charge Time 0:35 h 1:11 h
Battery Life Test
Battery Life
Xiaomi 14
25:30
Samsung Galaxy S21 Ultra
22:05
Web Browsing10:59 h07:58 h
Video Playback17:04 h13:59 h
Games05:15 h05:14 h
Standby Mode111 h111 h

Main camera

Matrix 50 MP 108 MP
Photo resolution 8192x6144 pixels 12000x9000 pixels
Zoom Optical, 3.2x Optical, 10x
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 (720p) 960 fps (720p)
Wide-angle lens 115 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 108 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP108 MP
Aperturef/1.6f/1.8
Focal length23 mm26 mm
SensorOmniVision OVX9000 Light Fusion 900Samsung S5KHM3
Sensor size1/1.311/1.33
Pixel size1.2 μm0.8 μm
AutofocusLaser autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP10 MP
Aperturef/2.0f/4.9
Focal length75 mm240 mm
SensorSamsung S5KJN1Samsung S5K3J1
Sensor size1/2.761/2.65
Pixel size0.64 μm1.22 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP12 MP
Aperturef/2.2f/2.2
Focal length14 mm13 mm
SensorSamsung S5KJN1Sony IMX563
Sensor size1/2.761/2.55
Pixel size0.64 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 14
137
Samsung Galaxy S21 Ultra
121
Video quality
Xiaomi 14
138
Samsung Galaxy S21 Ultra
100
Overall camera score
Xiaomi 14
138
Samsung Galaxy S21 Ultra
115
Bokeh5570
Preview7367
Zoom134106
Sources: DxOMark [Xiaomi 14], [Samsung Galaxy S21 Ultra]

Front camera

Matrix 32 MP 40 MP
Photo resolution 6528x4896 pixels 7864x5200 pixels
Aperture f/2.0 f/2.2
Focal length 22 mm 26 mm
Sensor Omnivision OV32B Samsung S5KGH1
Sensor size 1/3 1/2.65
Pixel size 0.7 μm 0.7 μm
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi 14
n/a
Samsung Galaxy S21 Ultra
133
Video quality
Xiaomi 14
n/a
Samsung Galaxy S21 Ultra
140

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 6E (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 5.4 5.2
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- USB-Host mode
- OTG
DisplayPort Yes DP 1.2 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM Moden/aDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
2G BandsGSM B2/3/5/8GSM 850, 900, 1800, 1900 MHz
3G BandsUMTS B1/2/4/5/6/8/19WCDMA Band 1, 2, 4, 5, 8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/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 category2024
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 14
92.6 dB
Samsung Galaxy S21 Ultra
88 dB

Other

Class Flagship Flagship
Announced October, 2023 yr January, 2021 yr
Release Date November, 2023 yr February, 2021 yr
Launch Price ($) 999 1200
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 14 the clear winner in this comparison.

Survey

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