Xiaomi Redmi Note 8 vs Samsung Galaxy A20

Here we compared two mid-range smartphones: the 6.3-inch Xiaomi Redmi Note 8 (with Qualcomm Snapdragon 665) that was released on August 29, 2019, against the Samsung Galaxy A20, which is powered by Exynos 7 Octa 7884 and came out 6 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 8
  • 53% higher pixel density (409 vs 268 PPI)
  • 49% better performance in AnTuTu Benchmark (205K versus 137K)
  • Delivers 58% higher maximum brightness (628 against 397 nits)
  • Compatible with Wi-Fi 5 wireless networks
  • Uses a faster type of memory: LPDDR4X 1866 MHz
  • Slow-motion recording at 240FPS
  • Ability to record video in 4K resolution
  • The front-facing camera can record video at 1080p
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy A20
  • Super AMOLED display (versus competitor's IPS LCD)
  • Supports Dolby Atmos sound technology
  • Weighs 21 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 6.3 inches 6.4 inches
Resolution 1080 x 2340 pixels 720 x 1560 pixels
Aspect ratio 19.5:9 19.5:9
PPI 409 ppi 268 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 3
Screen-to-body ratio 81.7% 85%
Max. Brightness
628 nits
397 nits

Design and build

Height 158.3 mm (6.23 inches) 158.4 mm (6.24 inches)
Width 75.3 mm (2.96 inches) 74.7 mm (2.94 inches)
Thickness 8.4 mm (0.33 inches) 7.8 mm (0.31 inches)
Weight 190 gramm (6.7 oz) 169 gramm (5.96 oz)
Waterproof No No
Rear material Glass Plastic
Frame material Plastic Plastic
Colors White, Black, Blue -
Fingerprint scanner Yes, rear Yes, rear
Screen-to-body ratio
81.7%
85%

Performance

Tests of Xiaomi Redmi Note 8 and Samsung Galaxy A20 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 665 Samsung Exynos 7 Octa 7884
Max. clock 2000 MHz 1600 MHz
CPU cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73)
- 6 cores at 1.35 GHz: Cortex-A53
- 2 cores at 1.6 GHz: Cortex-A73
Lithography process 11 nanometers 14 nanometers
Graphics Adreno 610 Mali-G71 MP2
GPU clock 600 MHz 850 MHz
FLOPS ~273 GFLOPS ~64 GFLOPS
Memory
RAM size 3, 4, 6 GB 3 GB
Memory type LPDDR4X LPDDR3
Memory clock 1866 MHz 933 MHz
Channels 2 1
Storage
Storage size 32, 64, 128 GB 32 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 256 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
316
Geekbench 5 (Multi-Core)
1321
AnTuTu Benchmark 9
205939
137950
CPU 66836 48062
GPU 39821 20723
Memory 37987 31990
UX 62159 37339
Total score 205939 137950
3DMark Wild Life Performance
Galaxy A20 +48%
324
Stability 98% 85%
Graphics test 1 FPS 1 FPS
Graphics score 219 324
PCMark 3.0 score 6400 -
Sources: 3DMark [3], [4]

Software

Operating system Android 9.0 (Can be upgraded to Android 11) Android 9.0 (Can be upgraded to Android 11)
ROM MIUI 12.5 Enhanced One UI 3.1

Battery

Specifications
Capacity 4000 mAh 4000 mAh
Charge power 18 W 15 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes, Quick Charge 4.0 (50% in 35 min) Yes, Samsung Adaptive Fast Charge (25% in 30 min)
Full charging time 2:05 hr 2:00 hr
Battery life tests
Web browsing 11:36 hr -
Watching video 11:32 hr -
Gaming 05:19 hr -
Standby 87 hr -
General battery life
29:07 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 13 megapixels
Image resolution 8000 x 6000 4128 x 3096
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS No
1080p video recording Up to 60FPS Up to 30FPS
Slow motion 240 FPS (720p) No
Angle of widest lens 118° 123°
Lenses 4 (48 MP + 8 MP + 2 MP + 2 MP) 2 (13 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
- 13 MP
- Aperture: f/1.9
- Focal length: 28 mm
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/5", Omnivision OV8856
- 5 MP
- Aperture: f/2.2
- Focal length: 12 mm
Macro lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", Omnivision OV02A10 (CMOS)
-
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", Omnivision OV02A10 (CMOS)
-
Camera features - Bokeh mode
- Pro mode
-
Selfie camera
Megapixels 13 megapixels 8 megapixels
Image resolution 4224 x 3136 3264 x 2448
Aperture f/2.0 f/2.0
Focal length 28.21 mm -
Pixel size 1.12 microns -
Sensor type - CMOS
Sensor size 1/2.9" -
Video resolution 1080p (Full HD) at 30 FPS 720p at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 b/g/n/ac) Wi-Fi 4 (802.11 b/g/n)
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
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou
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 4
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
81.3 dB

Other

Category Mid-range Mid-range
Announced August 2019 March 2019
Release date September 2019 March 2019
SAR (head) 0.191 W/kg 0.23 W/kg
SAR (body) 1.034 W/kg 1.38 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- 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

After analyzing all the data, we think that the Xiaomi Redmi Note 8 is definitely a better buy.

Cast your vote

So, which phone would you choose?
41 (56.2%)
32 (43.8%)
Total votes: 73

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