Home Phone comparison Xiaomi Mi 9 SE and Samsung Galaxy S9 Plus - Which is better?

Xiaomi Mi 9 SE vs Samsung Galaxy S9 Plus

43 out 100
Xiaomi Mi 9 SE
VS
48 out 100
Samsung Galaxy S9 Plus
Xiaomi Mi 9 SE
Samsung Galaxy S9 Plus

Compared 2 smartphones : Xiaomi Mi 9 SE Manufactured in March, 2019, with display 5.97 with chipsetQualcomm Snapdragon 712, vs Samsung Galaxy S9 Plus, Manufactured in March, 2018 with chipsetSamsung Exynos 9 Octa 9810. 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 9 SE
  • Lighter design: 155g vs 189g
  • Infrared port
Reasons to choose Samsung Galaxy S9 Plus
  • Larger display: 6.2in
  • Higher pixel density: 531ppi
  • Higher battery capacity: 3500mAh vs 3070mAh
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 6/64 GB
- 6/128 GB		 - 4/64 GB
- 6/64 GB
- 6/128 GB
- 6/256 GB

Review

Key Specs Xiaomi Mi 9 SE and Samsung Galaxy S9 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.
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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 9 SE
vs
Samsung Galaxy S9 Plus

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 5.97 in 6.2 in
Resolution 1080x2340 pixels 1440x2960 pixels
Aspect ratio 19.5:9 18.5:9
Pixel density 432 ppi 531 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 585 nits 631 nits
HDR support Yes HDR10 Yes HDR10
Screen-to-body ratio 84.1 % 83.6 %
Features Always-On Display Always-On Display
Display test
Peak brightness (auto)
Xiaomi Mi 9 SE
635 nits
Samsung Galaxy S9 Plus
629 nits
sRGB gamut99.9 %n/a
PWM (Flicker)255 Hz215 Hz
Response time4.2 ms7 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi Mi 9 SE], [Samsung Galaxy S9 Plus]

Design & Build

Design and ergonomics comparison
Height 147.5 mm (5.81 in) 158.1 mm (6.22 in)
Width 70.5 mm (2.78 in) 73.8 mm (2.91 in)
Thickness 7.4 mm (0.29 in) 8.5 mm (0.33 in)
Weight 155 g (5.47 oz) 189 g (6.67 oz)
Water resistance No IP68
Back panel Glass Glass
Frame Metal Metal
Colors - Gray
- Blue
- Purple		 - Black
- Gold
- Gray
- Red
- Purple
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Xiaomi Mi 9 SE
84.1 %
Samsung Galaxy S9 Plus
83.6 %

Performance

Testing Xiaomi Mi 9 SE and Samsung Galaxy S9 Plus In benchmarks
Processor
Chipset Qualcomm Snapdragon 712 Samsung Exynos 9 Octa 9810
Max Frequency 2200 MHz 2900 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.7 (Kryo 360 Silver (Cortex-A55))
- 2/2.3 (Kryo 360 Gold (Cortex-A75))		 - 4/1.9 (Cortex-A55)
- 4/2.9 (Exynos M3)
Process Samsung Samsung
Transistor Size 10 nm 10 nm
Neural Processor Hexagon 685 DSP Yes
Graphics Adreno 616 Mali-G72 MP18
GPU Cores 256 324
GPU Frequency 750 MHz 572 MHz
FLOPS 384 GFLOPS 370.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Mi 9 SE
545
Samsung Galaxy S9 Plus
751
Geekbench 6 (Multi-Core)
Xiaomi Mi 9 SE
1594
Samsung Galaxy S9 Plus
1909
Geekbench 6 (Single-Core)545751
Geekbench 6 (Multi-Core)15941909
AnTuTu 10
AnTuTu 10
Xiaomi Mi 9 SE
314968
Samsung Galaxy S9 Plus
467429
CPU96860142642
GPU65197140091
Memory6908099705
UX8383184991
NanoReview Score314968467429
3DMark Wild Life
3DMark Wild Life
Xiaomi Mi 9 SE
654
Samsung Galaxy S9 Plus
2328
Max Surface Temp.38.7 °C40.7 °C
Stability97 %95 %
Graphics Test3 fps13 fps
Graphics Score6542328
Sources: 3DMark [Xiaomi Mi 9 SE], [Samsung Galaxy S9 Plus]
PCMark 3.0
PCMark 3.0
Xiaomi Mi 9 SE
n/a
Samsung Galaxy S9 Plus
6261
Writing scoren/a6167
Web scoren/a5425
Video editingn/a5459
Data manipulationn/a5611
NanoReview Scoren/a6261

Memory

RAM
RAM Size 6 GB 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1794 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		64 GB
Storage TypeUFS 2.1UFS 2.1
Memory CardNoMicroSD

Software

OS Android 9.0 (Upgradeable to Android 11.0) Android 8.0 (Upgradeable to Android 10)
OS Size 19 GB 13.9 GB
UI Skin MIUI 12 One UI 2.5

Battery

Volume 3070 mAh 3500 mAh
Max Charging Power 18 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No Yes Qi/PMA (10 W)
Reverse Charging No No
Fast Charging Yes Quick Charge 4 (50% in 30 min) Yes (40% in 30 min)
Full Charge Time 1:27 h 1:40 h
Battery Life Test
Battery Life
Xiaomi Mi 9 SE
16:19
Samsung Galaxy S9 Plus
16:44
Web Browsing05:40 h06:05 h
Video Playback10:32 h10:25 h
Games03:52 h04:17 h
Standby Mode83 h84 h

Main camera

Matrix 48 MP 12 MP
Photo resolution 8000x6000 pixels 4032x3024 pixels
Zoom Optical, 2x Optical, 2x
Flash Dual LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 240 fps)
Slow Motion 960 fps (720p) 960 fps (720p)
Wide-angle lens 123 ° n/a
Lenses count Standard: 48 MP
Telephoto: 8 MP
Ultra-wide: 13 MP		 Standard: 12 MP
Telephoto: 12 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP12 MP
Aperturef/1.8f/1.5 - 2.4
Focal length27 mm26 mm
SensorSony IMX586Samsung SAK2L3
Sensor size1/21/2.55
Pixel size0.8 μm1.4 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrix8 MP12 MP
Aperturef/2.4f/2.4
Focal length52 mm52 mm
SensorOmnivision OV8856n/a
Sensor size1/41/3.6
Pixel size1.12 μm1 μm
StabilizationDigitalOptical
Ultra-wide lens
Matrix13 MPn/a
Aperturef/2.4n/a
SensorSamsung S5K3L6n/a
Sensor size1/3.1n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Xiaomi Mi 9 SE
n/a
Samsung Galaxy S9 Plus
104
Video quality
Xiaomi Mi 9 SE
n/a
Samsung Galaxy S9 Plus
91
Overall camera score
Xiaomi Mi 9 SE
n/a
Samsung Galaxy S9 Plus
99
Sources: DxOMark [Samsung Galaxy S9 Plus]

Front camera

Matrix 20 MP 8 MP
Photo resolution 5120x3840 pixels 3264x2448 pixels
Aperture f/2.0 f/1.7
Focal length 18 mm 25 mm
Sensor Sony IMX576 Samsung S5K3H1
Sensor size 1/2.78 1/3.6
Pixel size 0.9 μm 1.22 μm
Autofocus Phase autofocus Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1440p at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5 5
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB Storage Mode
- USB-Host mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - 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 *NoNo
Hybrid SlotNoYes
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B800/B900/B1800/B2100/B2300/B2500/B2600)LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600)
LTE category1518
5G SupportNoNo

Sound

Speakers Mono Stereo
3.5 mm Jack No Yes
FM Radio No No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Mi 9 SE
81.5 dB
Samsung Galaxy S9 Plus
85.6 dB

Other

Class Mid-range Flagship
Announced February, 2019 yr February, 2018 yr
Release Date March, 2019 yr March, 2018 yr
Launch Price ($) 400 840
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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