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Xiaomi Redmi Note 9S vs Samsung Galaxy A70

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 Samsung Galaxy A70, which is powered by Qualcomm Snapdragon 675 and came out 12 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 23% longer battery life (127 vs 103 hours)
  • Slow-motion recording at 960FPS
  • Comes with 520 mAh larger battery capacity: 5020 vs 4500 mAh
  • 27% better performance in AnTuTu Benchmark (280K versus 220K)
  • The phone is 1-year newer
  • More energy-efficient CPU – Snapdragon 720G
  • 19% faster in single-core GeekBench 5 test: 576 and 484 points
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy A70
  • Has 50% more RAM: 6GB versus 4GB
  • More recent OS version: Android 11 versus 10
  • Super AMOLED display (versus competitor's IPS LCD)
  • Supports Dolby Atmos sound technology
  • Weighs 27 grams less

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 Super AMOLED
Size 6.67 inches 6.7 inches
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 395 ppi 393 ppi
Refresh rate 60 Hz 60 Hz
HDR support Yes, HDR10 -
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 3
Screen-to-body ratio 84.5% 86%
Display features - - Always-On Display
Display tests
RGB color space 114.9% -
PWM Not detected -
Response time 34 ms -
Contrast 1111:1 -
Max. Brightness
583 nits
616 nits
Sources: NotebookCheck [1]

Design and build

Height 166 mm (6.54 inches) 164.3 mm (6.47 inches)
Width 77 mm (3.03 inches) 76.7 mm (3.02 inches)
Thickness 8.8 mm (0.35 inches) 7.9 mm (0.31 inches)
Weight 210 gramm (7.41 oz) 183 gramm (6.46 oz)
Waterproof No No
Rear material Glass Plastic
Frame material Plastic Plastic
Colors White, Black, Blue White, Black, Blue
Fingerprint scanner Yes, in home button Yes, in-display
Screen-to-body ratio
86%

Performance

Tests of Xiaomi Redmi Note 9S and Samsung Galaxy A70 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 720G Qualcomm Snapdragon 675
Max. clock 2300 MHz 2000 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 1.7 GHz: Kryo 460 Silver (Cortex-A55)
- 2 cores at 2 GHz: Kryo 460 Gold (Cortex-A76)
L3 cache 1 MB -
Lithography process 8 nanometers 11 nanometers
Graphics Adreno 618 Adreno 612
GPU clock 750 MHz 700-750 MHz
FLOPS ~435 GFLOPS ~328.2 GFLOPS
Memory
RAM size 4 GB 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage size 64 GB 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)
576
Geekbench 5 (Multi-Core)
1767
AnTuTu Benchmark 7
AnTuTu Benchmark 8
280666
220835
AnTuTu Android Rating (242nd and 300th place)

Software

Operating system Android 10.0 Android 9.0 (Can be upgraded to Android 11)
ROM MIUI 12 One UI 3.1
OS size 18 GB -

Battery

Specifications
Capacity 5020 mAh 4500 mAh
Charge power 18 W 25 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (50% in 50 min) Yes, Samsung Adaptive Fast Charge (45% in 30 min)
Full charging time 2:30 hr 2:00 hr

Battery life tests

Web browsing (Wi-Fi)
19:12 hr
13:24 hr
Watching videos (Player)
16:30 hr
17:35 hr
Talk (3G)
41:30 hr
37:50 hr
Phones With the Best Battery Life (17th and 69th place)

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 32 megapixels
Image resolution 8000 x 6000 6500 x 4920
Zoom Digital Digital
Flash LED Dual 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 240FPS
Slow motion 960 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 119° 123°
Lenses 4 (48 MP + 8 MP + 5 MP + 2 MP) 3 (32 MP + 8 MP + 5 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
- 32 MP
- Aperture: f/1.7
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.8" (BSI 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: 12 mm
- Sensor: 1/4" (CMOS)
Macro lens - 5 MP
- Aperture: f/2.4
- Pixel size: 1.12 micron
-
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- 5 MP
- Aperture: f/2.2
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 16 megapixels 32 megapixels
Image resolution 4920 x 3264 6528 x 4896
Aperture f/2.5 f/2.0
Pixel size 1 microns -
Sensor type CMOS BSI CMOS
Sensor size 1/3.06" 1/2.8"
Video resolution 1080p (Full HD) при 30 FPS 1080p (Full HD) при 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 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, HID, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, 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, Galileo
NFC* No Yes
Infrared port Yes No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 12 12
5G support No No

Sound

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

Other

Category Mid-range Mid-range
Announced March 2020 March 2019
Release date April 2020 April 2019
Launch price ~ 225 USD ~ 375 USD
SAR (head) 0.72 W/kg 0.35 W/kg
SAR (body) 0.98 W/kg 1.48 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

If the performance, battery life, and camera are more important to you, then choose the Xiaomi Redmi Note 9S. But if the software and sound are more of a priority – go for the Samsung Galaxy A70.

Cast your vote

So, which phone would you choose?
49 (69%)
22 (31%)
Total votes: 71

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