Xiaomi Redmi 9 vs Samsung Galaxy A20

Compared 2 smartphones : Xiaomi Redmi 9 Manufactured in July, 2020, with display 6.53 with chipsetMediaTek Helio G80, vs Samsung Galaxy A20, Manufactured in March, 2019with chipsetSamsung Exynos 7 Octa 7884. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi 9
  • Larger display: 6.53in
  • Higher pixel density: 395ppi
  • Higher battery capacity: 5020mAh vs 4000mAh
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy A20
  • Lighter design: 169g vs 198g
  • Supports Dolby Atmos

Versions

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

Review

Key Specs Xiaomi Redmi 9 and Samsung Galaxy A20
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

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.53 in 6.4 in
Resolution 1080x2340 pixels 720x1560 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 395 ppi 268 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 400 nits 400 nits
HDR support No No
Screen-to-body ratio 83.2 % 84.9 %
Display test
Peak brightness (auto)
Xiaomi Redmi 9
423 nits
Samsung Galaxy A20
n/a
sRGB gamut93 %n/a
PWM (Flicker)500 Hzn/a
Response time35 msn/a
Contrast710:1n/a

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 158.4 mm (6.24 in)
Width 77 mm (3.03 in) 74.7 mm (2.94 in)
Thickness 9.1 mm (0.36 in) 7.8 mm (0.31 in)
Weight 198 g (6.98 oz) 169 g (5.96 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Gray
- Green
- Purple
-
Fingerprint sensor Yes rear Yes rear
Screen-to-body ratio
Xiaomi Redmi 9
83.2 %
Samsung Galaxy A20
84.9 %

Performance

Testing Xiaomi Redmi 9 and Samsung Galaxy A20 In benchmarks
Processor
Chipset MediaTek Helio G80 Samsung Exynos 7 Octa 7884
Max Frequency 2000 MHz 1600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
- 6/1.35 (Cortex-A53)
- 2/1.6 (Cortex-A73)
Process TSMC Samsung
Transistor Size 12 nm 14 nm
Neural Processor Yes No
Graphics Mali-G52 MP2 Mali-G71 MP2
GPU Cores 48 32
GPU Frequency 950 MHz 850 MHz
FLOPS 91.2 GFLOPS 49.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 9
514
Samsung Galaxy A20
482
Geekbench 6 (Multi-Core)
Xiaomi Redmi 9
1559
Samsung Galaxy A20
1526
Geekbench 6 (Single-Core)514482
Geekbench 6 (Multi-Core)15591526
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 9
263655
Samsung Galaxy A20
165192
CPU9363461354
GPU3888317164
Memory6298348475
UX6815538199
NanoReview Score263655165192
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi 9
664
Samsung Galaxy A20
324
Max Surface Temp.47 °Cn/a
Stability98 %85 %
Graphics Test3 fps1 fps
Graphics Score664324
PCMark 3.0
PCMark 3.0
Xiaomi Redmi 9
8330
Samsung Galaxy A20
5004
Writing score91344872
Web score73714726
Video editing55623603
Data manipulation60644769
NanoReview Score83305004

Memory

RAM
RAM Size - 3 GB
- 4 GB
- 6 GB
3 GB
Memory Type LPDDR4X LPDDR3
Memory Frequency 1866 MHz 933 MHz
Channels 2 1
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB
32 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 12) Android 9.0 (Upgradeable to Android 11)
OS Size 13 GB n/a
UI Skin MIUI 13 One UI 3.1

Battery

Volume 5020 mAh 4000 mAh
Max Charging Power 18 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 80 min) Yes Samsung Adaptive Fast Charge (25% in 30 min)
Full Charge Time 3:05 h 2:00 h
Battery Life Test
Battery Life
Xiaomi Redmi 9
22:51
Samsung Galaxy A20
n/a
Web Browsing08:45 hn/a
Video Playback13:56 hn/a
Games05:30 hn/a
Standby Mode113 hn/a

Main camera

Matrix 13 MP 13 MP
Photo resolution 4128x3096 pixels 4128x3096 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (720p) No
Wide-angle lens 118 ° 123 °
Lenses count Standard: 13 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP
Standard: 13 MP
Ultra-wide: 5 MP
Features - Bokeh effect
- Pro mode
Main lens
Matrix13 MP13 MP
Aperturef/2.2f/1.9
Focal length28 mm28 mm
SensorOmnivision OV13B10n/a
Sensor size1/3.1n/a
Pixel size1.12 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MP5 MP
Aperturef/2.2f/2.2
Focal length13 mm12 mm
SensorOmniVision OV8856n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 8 MP 8 MP
Photo resolution 3264x2448 pixels 3264x2448 pixels
Aperture f/2.0 f/2.0
Focal length 27 mm n/a
Sensor CMOS CMOS
Sensor size 1/4.0 n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 720p at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 4 (802.11 a/b/g/n)
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, 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
- Galileo
- GPS
- GLONASS
- Beidou
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2/3/5/8GSM850, GSM900, DCS1800, PCS1900
3G BandsHSDPA B1/2/4/5/8B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28)LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)
LTE category74
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi 9
83.7 dB
Samsung Galaxy A20
n/a

Other

Class Budget Mid-range
Announced June, 2020 yr March, 2019 yr
Release Date July, 2020 yr March, 2019 yr
Launch Price ($) 130 150
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- 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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