Home Phone comparison Xiaomi 15 and Samsung Galaxy Note 20 Ultra - Which is better?

Xiaomi 15 vs Samsung Galaxy Note 20 Ultra

93 out 100
Xiaomi 15
VS
63 out 100
Samsung Galaxy Note 20 Ultra
Xiaomi 15
Samsung Galaxy Note 20 Ultra

Compared 2 smartphones : Xiaomi 15 Manufactured in October, 2024, with display 6.36 with chipsetQualcomm Snapdragon 8 Elite, vs Samsung Galaxy Note 20 Ultra, Manufactured in August, 2020with chipsetSamsung Exynos 990. 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 15
  • Lighter design: 191g vs 208g
  • Higher battery capacity: 5400mAh vs 4500mAh
  • Newer Bluetooth version: 5.4 vs 5.1
  • Supports DisplayPort
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy Note 20 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 496ppi

Versions

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

Review

Key Specs Xiaomi 15 and Samsung Galaxy Note 20 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 15
vs
Galaxy Note 20 Ultra

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.36 in 6.9 in
Resolution 1200x2670 pixels 1440x3088 pixels
Aspect ratio 20:9 19.5:9
Pixel density 460 ppi 496 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (10-120 Hz)
Max brightness 1500 nits 600 nits
HDR support Yes Dolby Vision Yes HDR10+
Touch Sampling Rate 300 Hz n/a
Screen-to-body ratio 90.1 % 91.8 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi 15
1508 nits
Samsung Galaxy Note 20 Ultra
1020 nits
sRGB gamut99.5 %96.9 %
PWM (Flicker)120 Hz245 Hz
Response time1 ms6 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi 15], [Samsung Galaxy Note 20 Ultra]

Design & Build

Design and ergonomics comparison
Height 152.3 mm (6 in) 164.8 mm (6.49 in)
Width 71.2 mm (2.8 in) 77.2 mm (3.04 in)
Thickness 8.08 mm (0.32 in) 8.1 mm (0.32 in)
Weight 191 g (6.74 oz) 208 g (7.34 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Silver
- Green
- Purple		 - White
- Black
- Brown
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 15
90.1 %
Samsung Galaxy Note 20 Ultra
91.8 %

Performance

Testing Xiaomi 15 and Samsung Galaxy Note 20 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Samsung Exynos 990
Max Frequency 4320 MHz 2730 MHz
CPU Cores 8 (2 + 6) 8 (2 + 2 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)
Process TSMC Samsung
Transistor Size 3 nm 7 nm
Neural Processor Hexagon Yes
Graphics Adreno 830 Mali-G77 MP11
GPU Cores 1536 704
GPU Frequency 1100 MHz 800 MHz
FLOPS 3379.2 GFLOPS 1126 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15
2934
Samsung Galaxy Note 20 Ultra
1173
Geekbench 6 (Multi-Core)
Xiaomi 15
8762
Samsung Galaxy Note 20 Ultra
3168
Geekbench 6 (Single-Core)29341173
Geekbench 6 (Multi-Core)87623168
Geekbench Compute (GPU)24507n/a
Sources: Geekbench v6 [Xiaomi 15]
AnTuTu 10
AnTuTu 10
Xiaomi 15
2620144
Samsung Galaxy Note 20 Ultra
765381
CPU584725207699
GPU1142381247886
Memory519406144292
UX373632165504
NanoReview Score2620144765381
3DMark Wild Life
3DMark Wild Life
Xiaomi 15
20823
Samsung Galaxy Note 20 Ultra
4250
Max Surface Temp.n/a37.3 °C
Stabilityn/a49 %
Graphics Testn/a25 fps
Graphics Scoren/a4250
Sources: 3DMark [Xiaomi 15], [Samsung Galaxy Note 20 Ultra]
PCMark 3.0
PCMark 3.0
Xiaomi 15
18292
Samsung Galaxy Note 20 Ultra
10807
Writing score2250812145
Web score188268848
Video editing80606906
Data manipulation146058762
NanoReview Score1829210807

Memory

RAM
RAM Size - 12 GB
- 16 GB		 - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency n/a 2750 MHz
Channels 2 n/a
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 256 GB
- 512 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoMicroSD

Software

OS Android 15 Android 10 (Upgradeable to Android 13)
OS Size 21 GB 34.7 GB
UI Skin HyperOS 2.0 One UI 5.0

Battery

Volume 5400 mAh 4500 mAh
Max Charging Power 90 W 25 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging Yes (50 W) Yes (15 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (83% in 30 min) Yes (43% in 30 min)
Full Charge Time 0:45 h 1:20 h
Battery Life Test
Battery Life
Xiaomi 15
31:54
Samsung Galaxy Note 20 Ultra
18:32
Web Browsing13:20 h07:27 h
Video Playback19:22 h12:33 h
Games07:10 h05:16 h
Standby Mode150 h81 h

Main camera

Matrix 50 MP 108 MP
Photo resolution 8192x6144 pixels 12000x9000 pixels
Zoom Optical, 2.6x Optical, 5x
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Up to 24FPS
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 240 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: 12 MP
Ultra-wide: 12 MP
Depth: 0.3 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 Bright S5KHM1
Sensor size1/1.311/1.33
Pixel size1.2 μm0.8 μm
AutofocusLaser autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP12 MP
Aperturef/2.0f/3.0
Focal length60 mm103 mm
SensorSamsung S5KJN5Samsung S5K3M5
Sensor size1/2.761/3.4
Pixel size0.64 μm1 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP12 MP
Aperturef/2.2f/2.2
Focal length14 mm13 mm
SensorSamsung S5KJN1Samsung S5K2L3
Sensor size1/2.761/2.55
Pixel size0.64 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15
150
Samsung Galaxy Note 20 Ultra
122
Video quality
Xiaomi 15
133
Samsung Galaxy Note 20 Ultra
106
Overall camera score
Xiaomi 15
147
Samsung Galaxy Note 20 Ultra
120
Bokeh75n/a
Preview87n/a
Zoom152n/a
Sources: DxOMark [Xiaomi 15], [Samsung Galaxy Note 20 Ultra]

Front camera

Matrix 32 MP 10 MP
Photo resolution 6528x4896 pixels 3872x2592 pixels
Aperture f/2.0 f/2.2
Focal length 22 mm 26 mm
Sensor Omnivision OV32B Sony IMX374
Sensor size 1/3.14 1/3.2
Pixel size 0.7 μm 1.22 μm
Autofocus No Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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 Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5.1
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, 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
- OTG
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoYes
2G BandsGSM B2/B3/B5/B8GSM 700 / 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600 / 2000 / 2300 / 2500
3G BandsWCDMA B1/B2/B4/B5/B6/B8/B19UMTS 850 / 900 / 1700 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2000/B2100/B2300/B2500/B2600)
LTE categoryn/a20
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 15
91.3 dB
Samsung Galaxy Note 20 Ultra
88.8 dB

Other

Class Flagship Flagship
Announced October, 2024 yr August, 2020 yr
Release Date October, 2024 yr August, 2020 yr
Launch Price ($) 757 1299
Sensors - 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 15 the clear winner in this comparison.

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