Home > Smartphone comparison > Redmi Note 9S vs Redmi Note 8 Pro – which one to choose?

Xiaomi Redmi Note 9S vs Note 8 Pro

Here we compared two mid-range smartphones: the 6.67-inch Xiaomi Redmi Note 9S (with Qualcomm Snapdragon 720G) that was released on March 23, 2020, against the Xiaomi Redmi Note 8 Pro, which is powered by MediaTek Helio G90T and came out 7 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi Note 9S
  • Shows 11% longer battery life (127 vs 114 hours)
  • Comes with 520 mAh larger battery capacity: 5020 vs 4500 mAh
  • More energy-efficient CPU – Snapdragon 720G
  • 18% faster in single-core GeekBench 5 test: 570 and 483 points
  • The phone is 7-months newer
Reasons to consider the Xiaomi Redmi Note 8 Pro
  • Has 50% more RAM: 6GB versus 4GB
  • Delivers 10% higher maximum brightness (630 against 571 nits)

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type IPS LCD IPS LCD
Size 6.67 inches 6.53 inches
Resolution 1080 x 2400 pixels 1080 x 2340 pixels
Aspect ratio 20:9 19.5:9
PPI 395 ppi 395 ppi
Refresh rate 60 Hz 60 Hz
HDR support Yes, HDR10 No
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Screen-to-body ratio 84.5% 84.9%
Display tests
RGB color space 114.9% -
PWM Not detected -
Response time 34 ms -
Contrast 1111:1 -
Max. Brightness
571 nits
630 nits
Sources: NotebookCheck [1]

Design and build

Height 166 mm (6.54 inches) 161.4 mm (6.35 inches)
Width 77 mm (3.03 inches) 76.4 mm (3.01 inches)
Thickness 8.8 mm (0.35 inches) 8.8 mm (0.35 inches)
Weight 210 gramm (7.41 oz) 200 gramm (7.05 oz)
Waterproof No No
Rear material Glass Glass
Frame material Plastic Plastic
Colors White, Black, Blue White, Gray, Blue, Green
Fingerprint scanner Yes, in home button Yes, rear
Screen-to-body ratio

Performance

Tests of Xiaomi Redmi Note 9S and Xiaomi Redmi Note 8 Pro in the benchmarks
SoC
Chipset Qualcomm Snapdragon 720G MediaTek Helio G90T
Max. clock 2300 MHz 2050 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 1.8 GHz: Kryo 465 Silver (Cortex-A55)
- 2 cores at 2.3 GHz: Kryo 465 Gold (Cortex-A76)
- 6 cores at 2 GHz: Cortex-A55
- 2 cores at 2.05 GHz: Cortex-A76
L3 cache 1 MB -
Lithography process 8 nanometers 12 nanometers
Graphics Adreno 618 Mali-G76MC4
GPU clock 750 MHz 800 MHz
FLOPS ~386 GFLOPS ~184 GFLOPS
Memory
RAM size 4 GB 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage size 64 GB 64, 128 GB
Storage type UFS 2.1 UFS 2.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 8
263939
278105

Software

Operating system Android 10.0 Android 9.0 (Can be upgraded to Android 10)
ROM MIUI 12 MIUI 12
OS size 18 GB -

Battery

Specifications
Capacity 5020 mAh 4500 mAh
Charge power 18 W 18 W
Battery type Li-Po Li-Ion
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (50% in 50 min) Yes (30% in 30 min)
Full charging time 2:30 hr 2:00 hr

Battery life tests

Web browsing (Wi-Fi)
19:12 hr
15:06 hr
Watching videos (Player)
16:30 hr
15:25 hr
Talk (3G)
41:30 hr
33:28 hr
Phone Battery Life Ranking (13th and 64th place)

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 64 megapixels
Image resolution 8000 x 6000 9000 x 7000
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (1080p) 960 FPS (720p)
Angle of widest lens 119° 120°
Lenses 4 (48 MP + 8 MP + 5 MP + 2 MP) 4 (64 MP + 8 MP + 2 MP + 2 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Samsung S5KGM2 (ISOCELL CMOS)
- Phase autofocus
- 64 MP
- Aperture: f/1.9
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.7", Samsung S5KGW1 (ISOCELL CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0", Omnivision OV8856
- 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4" (CMOS)
Macro lens - 5 MP
- Aperture: f/2.4
- Pixel size: 1.12 micron
- 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5" (CMOS)
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5" (CMOS)
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Samples - Photo samples of Xiaomi Redmi Note 8 Pro from DxOMark
Selfie camera
Megapixels 16 megapixels 20 megapixels
Image resolution 4920 x 3264 5184 x 3880
Aperture f/2.5 f/2.0
Pixel size 1 microns 0.9 microns
Sensor type CMOS ISOCELL CMOS
Sensor size 1/3.06" 1/3.1"
Video resolution 1080p (Full HD) при 30 FPS 1080p (Full HD) при 30 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 b/g/n/ac) Wi-Fi 5 (802.11 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
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE, HID, A2DP LE, HID, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo, NAVIC GPS, GLONASS, Beidou
NFC* No Yes
Infrared port Yes Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No Yes
LTE Cat* 12 12
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No No
Speakers test
Max. loudness

Other

Category Mid-range Mid-range
Announced March 2020 August 2019
Release date April 2020 October 2019
Launch price ~ 225 USD ~ 225 USD
SAR (head) 0.72 W/kg 0.38 W/kg
SAR (body) 0.98 W/kg 0.8 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

These smartphones have a lot in common, but we would recommend the Xiaomi Redmi Note 9S. It has a better display and battery life.

Cast your vote

So, which phone would you choose?
693 (55.4%)
559 (44.6%)
Total votes: 1252

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