Home Phone comparison Xiaomi Redmi 9 and Samsung Galaxy S9 - Which is better?

Xiaomi Redmi 9 vs Samsung Galaxy S9

42 out 100
Xiaomi Redmi 9
VS
47 out 100
Samsung Galaxy S9
Xiaomi Redmi 9
Samsung Galaxy S9

Compared 2 smartphones : Xiaomi Redmi 9 Manufactured in July, 2020, with display 6.53 with chipsetMediaTek Helio G80, vs Samsung Galaxy S9, 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 Redmi 9
  • Larger display: 6.53in
  • Higher battery capacity: 5020mAh vs 3000mAh
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy S9
  • Higher pixel density: 568ppi
  • Lighter design: 163g vs 198g
  • Supports newer USB: 3.1 vs 2
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB		 - 4/64 GB
- 4/128 GB
- 4/256 GB

Review

Key Specs Xiaomi Redmi 9 and Samsung Galaxy S9
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 Redmi 9
vs
Samsung Galaxy S9

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.53 in 5.8 in
Resolution 1080x2340 pixels 1440x2960 pixels
Aspect ratio 19.5:9 18.5:9
Pixel density 395 ppi 568 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 400 nits 658 nits
HDR support No Yes HDR10
Screen-to-body ratio 83.2 % 84.1 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi 9
423 nits
Samsung Galaxy S9
657 nits
sRGB gamut93 %n/a
PWM (Flicker)500 Hz240 Hz
Response time35 ms7 ms
Contrast710:1∞ Infinite
Sources: NotebookCheck [Xiaomi Redmi 9], [Samsung Galaxy S9]

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 147.7 mm (5.81 in)
Width 77 mm (3.03 in) 68.7 mm (2.7 in)
Thickness 9.1 mm (0.36 in) 8.5 mm (0.33 in)
Weight 198 g (6.98 oz) 163 g (5.75 oz)
Water resistance No IP68
Back panel Plastic Glass
Frame Plastic Metal
Colors - Gray
- Green
- Purple		 - Black
- Gold
- Gray
- Blue
- Purple
Fingerprint sensor Yes rear Yes rear
Screen-to-body ratio
Xiaomi Redmi 9
83.2 %
Samsung Galaxy S9
84.1 %

Performance

Testing Xiaomi Redmi 9 and Samsung Galaxy S9 In benchmarks
Processor
Chipset MediaTek Helio G80 Samsung Exynos 9 Octa 9810
Max Frequency 2000 MHz 2900 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 4/1.9 (Cortex-A55)
- 4/2.9 (Exynos M3)
Process TSMC Samsung
Transistor Size 12 nm 10 nm
Neural Processor Yes Yes
Graphics Mali-G52 MP2 Mali-G72 MP18
GPU Cores 48 324
GPU Frequency 950 MHz 572 MHz
FLOPS 91.2 GFLOPS 370.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 9
514
Samsung Galaxy S9
734
Geekbench 6 (Multi-Core)
Xiaomi Redmi 9
1559
Samsung Galaxy S9
1894
Geekbench 6 (Single-Core)514734
Geekbench 6 (Multi-Core)15591894
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 9
263655
Samsung Galaxy S9
470496
CPU93634137633
GPU38883168155
Memory6298386184
UX6815578524
NanoReview Score263655470496
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi 9
664
Samsung Galaxy S9
2272
Max Surface Temp.47 °C39.2 °C
Stability98 %93 %
Graphics Test3 fps13 fps
Graphics Score6642272
Sources: 3DMark [Xiaomi Redmi 9], [Samsung Galaxy S9]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi 9
8330
Samsung Galaxy S9
6347
Writing score91346325
Web score73715265
Video editing55625496
Data manipulation60645694
NanoReview Score83306347

Memory

RAM
RAM Size - 3 GB
- 4 GB
- 6 GB		 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1794 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB		64 GB
Storage TypeeMMC 5.1UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 12) Android 8.0 (Upgradeable to Android 10)
OS Size 13 GB 14 GB
UI Skin MIUI 13 One UI 2.5

Battery

Volume 5020 mAh 3000 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 (50% in 80 min) Yes (40% in 30 min)
Full Charge Time 3:05 h 1:35 h
Battery Life Test
Battery Life
Xiaomi Redmi 9
22:51
Samsung Galaxy S9
15:09
Web Browsing08:45 h05:32 h
Video Playback13:56 h09:42 h
Games05:30 h03:45 h
Standby Mode113 h75 h

Main camera

Matrix 13 MP 12 MP
Photo resolution 4128x3096 pixels 4000x3000 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 240 fps)
Slow Motion 120 fps (720p) 960 fps (720p)
Wide-angle lens 118 ° n/a
Lenses count Standard: 13 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP		 Standard: 12 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix13 MP12 MP
Aperturef/2.2f/1.5 - 2.4
Focal length28 mm26 mm
SensorOmnivision OV13B10Samsung SAK2L3
Sensor size1/3.11/2.55
Pixel size1.12 μm1.4 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorOmniVision OV8856n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Xiaomi Redmi 9
n/a
Samsung Galaxy S9
104
Video quality
Xiaomi Redmi 9
n/a
Samsung Galaxy S9
91
Overall camera score
Xiaomi Redmi 9
n/a
Samsung Galaxy S9
99

Front camera

Matrix 8 MP 8 MP
Photo resolution 3264x2448 pixels 3264x2448 pixels
Aperture f/2.0 f/1.7
Focal length 27 mm 25 mm
Sensor CMOS Samsung S5K3H1
Sensor size 1/4.0 1/3.6
Pixel size n/a 1.22 μm
Autofocus No 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 - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5 5
Bluetooth features LE, HID, 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
- 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 B2/3/5/8GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsHSDPA B1/2/4/5/8HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28)LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600)
LTE category718
5G SupportNoNo

Sound

Speakers Mono Stereo
3.5 mm Jack Yes Yes
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi 9
83.7 dB
Samsung Galaxy S9
86 dB

Other

Class Budget Flagship
Announced June, 2020 yr February, 2018 yr
Release Date July, 2020 yr March, 2018 yr
Launch Price ($) 130 720
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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