Home Phone comparison Samsung Galaxy S20 and Xiaomi Mi 9 - Which is better?

Samsung Galaxy S20 vs Xiaomi Mi 9

62 out 100
Samsung Galaxy S20
VS
50 out 100
Xiaomi Mi 9
Samsung Galaxy S20
Xiaomi Mi 9

Compared 2 smartphones : Samsung Galaxy S20 Manufactured in March, 2020, with display 6.2 with chipsetSamsung Exynos 9 Octa 990, vs Xiaomi Mi 9, Manufactured in April, 2019 with chipsetQualcomm Snapdragon 855. 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 Samsung Galaxy S20
  • Higher pixel density: 563ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 163g vs 173g
  • Higher battery capacity: 4000mAh vs 3300mAh
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Xiaomi Mi 9
  • Larger display: 6.39in
  • Infrared port

Versions

Available versions and configurations
Memory Options 8/128 GB - 6/64 GB
- 6/128 GB
- 8/64 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy S20 and Xiaomi Mi 9
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:
Samsung Galaxy S20
vs
Xiaomi Mi 9

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.2 in 6.39 in
Resolution 1440x3200 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 563 ppi 403 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 800 nits 600 nits
HDR support Yes HDR10+ Yes HDR10
Screen-to-body ratio 88.5 % 85.3 %
Features - DCI-P3
- Always-On Display		 - Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S20
809 nits
Xiaomi Mi 9
619 nits
sRGB gamut99.8 %95.4 %
PWM (Flicker)242 Hz245 Hz
Response time8.5 ms4.2 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Samsung Galaxy S20], [Xiaomi Mi 9]

Design & Build

Design and ergonomics comparison
Height 151.7 mm (5.97 in) 157.5 mm (6.2 in)
Width 69.1 mm (2.72 in) 74.6 mm (2.94 in)
Thickness 7.9 mm (0.31 in) 7.6 mm (0.3 in)
Weight 163 g (5.75 oz) 173 g (6.1 oz)
Water resistance IP68 No
Back panel Glass Glass
Frame Metal Metal
Colors - Gray
- Blue
- Red		 - Black
- Blue
- Purple
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S20
88.5 %
Xiaomi Mi 9
85.3 %

Performance

Testing Samsung Galaxy S20 and Xiaomi Mi 9 In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 990 Qualcomm Snapdragon 855
Max Frequency 3020 MHz 2840 MHz
CPU Cores 8 (2 + 2 + 4) 8 (1 + 3 + 4)
Architecture - 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)		 - 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.84 (Cortex-A76 (Kryo 485 Gold))
Process Samsung TSMC
Transistor Size 7 nm 7 nm
Neural Processor Yes Hexagon 690
Graphics Mali-G77 MP11 Adreno 640
GPU Cores 704 768
GPU Frequency 550 MHz 585 MHz
FLOPS 1126 GFLOPS 898.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S20
1139
Xiaomi Mi 9
898
Geekbench 6 (Multi-Core)
Samsung Galaxy S20
3080
Xiaomi Mi 9
2206
Geekbench 6 (Single-Core)1139898
Geekbench 6 (Multi-Core)30802206
AnTuTu 10
AnTuTu 10
Samsung Galaxy S20
680061
Xiaomi Mi 9
651041
CPU206940209300
GPU180770191747
Memory136999113809
UX155352136185
NanoReview Score680061651041
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S20
4221
Xiaomi Mi 9
3100
Max Surface Temp.49.7 °C35.6 °C
Stability51 %91 %
Graphics Test25 fps18 fps
Graphics Score42213100
Sources: 3DMark [Samsung Galaxy S20], [Xiaomi Mi 9]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S20
11213
Xiaomi Mi 9
10649
Writing score1330014618
Web score92217084
Video editing60016715
Data manipulation84877931
NanoReview Score1121310649

Memory

RAM
RAM Size 8 GB 6 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 3200 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 3.0UFS 2.1
Memory CardMicroSDNo

Software

OS Android 10.0 (Upgradeable to Android 13) Android 9.0 (Upgradeable to Android 11)
OS Size 20.1 GB 13.5 GB
UI Skin One UI 5.1 MIUI 12.5

Battery

Volume 4000 mAh 3300 mAh
Max Charging Power 25 W 27 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (15 W) Yes (20 W)
Reverse Charging Yes (Wireless) No
Fast Charging Yes (100% in 75 min) Yes Quick Charge 4 (50% in 30 min)
Full Charge Time 1:15 h 1:30 h
Battery Life Test
Battery Life
Samsung Galaxy S20
16:07
Xiaomi Mi 9
17:14
Web Browsing06:49 h06:08 h
Video Playback10:33 h11:37 h
Games04:30 h04:07 h
Standby Mode69 h83 h

Main camera

Matrix 12 MP 48 MP
Photo resolution 4000x3000 pixels 8000x6000 pixels
Zoom Optical, 1.1x Optical, 2x
Flash LED Dual LED
Stabilization Optical Digital
8K Recording Up to 24FPS No
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 960 fps (720p) 960 fps (1080p)
Wide-angle lens 120 ° 117 °
Lenses count Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP		 Standard: 48 MP
Telephoto: 12 MP
Ultra-wide: 16 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix12 MP48 MP
Aperturef/1.8f/1.8
Focal length26 mm27 mm
SensorSamsung S5K2LDSony IMX586
Sensor size1/1.761/2
Pixel size1.8 μm0.8 μm
AutofocusPhase autofocus (Dual Pixel)Laser autofocus
StabilizationOpticalDigital
Telephoto
Matrix64 MP12 MP
Aperturef/2.0f/2.2
Focal length29 mm54 mm
SensorSamsung Bright S5KGW2Samsung S5K3M5
Sensor size1/1.721/3.6
Pixel size0.8 μm1 μm
StabilizationOpticalDigital
Ultra-wide lens
Matrix12 MP16 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
SensorSamsung S5K2LASony IMX481
Sensor size1/2.551/3.0
Pixel size1.4 μm1 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S20
n/a
Xiaomi Mi 9
112
Video quality
Samsung Galaxy S20
n/a
Xiaomi Mi 9
99
Overall camera score
Samsung Galaxy S20
n/a
Xiaomi Mi 9
107
Sources: DxOMark [Xiaomi Mi 9]

Front camera

Matrix 10 MP 20 MP
Photo resolution 2592x3872 pixels 5184x3880 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm 18 mm
Sensor Samsung S5K3J1 CMOS
Sensor size 1/3.2 1/3
Pixel size 1.22 μm 0.9 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.1 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- USB-Host mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotYesNo
2G BandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B850/B900/B1700/B1900/B2100)LTE (B800/B900/B1800/B2100/B2300/B2500/B2600)
LTE category2220
5G SupportNoNo

Sound

Speakers Stereo Mono
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S20
85.9 dB
Xiaomi Mi 9
87.1 dB

Other

Class Flagship Flagship
Announced February, 2020 yr February, 2019 yr
Release Date March, 2020 yr April, 2019 yr
Launch Price ($) 999 460
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- 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

After analyzing the data, we consider Samsung Galaxy S20 the clear winner in this comparison.

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