Xiaomi Redmi 9 vs Samsung Galaxy A30s

Here we compared two smartphones: the 6.53-inch Xiaomi Redmi 9 (with MediaTek Helio G80) that was released on June 10, 2020, against the Samsung Galaxy A30s, which is powered by Exynos 7 Octa 7904 and came out 9 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 9
  • Comes with 1020 mAh larger battery capacity: 5020 vs 4000 mAh
  • 47% higher pixel density (395 vs 268 PPI)
  • 54% better performance in AnTuTu Benchmark (220K versus 142K)
  • More energy-efficient CPU – MediaTek Helio G80
  • 37% faster in single-core GeekBench 5 test: 358 and 262 points
  • The phone is 9-months newer
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy A30s
  • Delivers 15% higher maximum brightness (489 against 425 nits)
  • Super AMOLED display (versus competitor's IPS LCD)
  • Supports Dolby Atmos sound technology
  • Weighs 29 grams less
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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

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Price

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type IPS LCD Super AMOLED
Size 6.53 inches 6.4 inches
Resolution 1080 x 2340 pixels 720 x 1560 pixels
Aspect ratio 19.5:9 19.5:9
PPI 395 ppi 268 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Corning Gorilla Glass 3 Tempered glass
Screen-to-body ratio 83.2% 85.2%
Display tests
RGB color space 93% 98%
PWM 500 Hz 240 Hz
Response time 35 ms 4 ms
Contrast 710:1 ∞ Infinity
Max. Brightness
425 nits
489 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 163.3 mm (6.43 inches) 158.5 mm (6.24 inches)
Width 77 mm (3.03 inches) 74.7 mm (2.94 inches)
Thickness 9.1 mm (0.36 inches) 7.8 mm (0.31 inches)
Weight 198 gramm (6.98 oz) 169 gramm (5.96 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Gray, Green, Purple White, Black, Purple
Fingerprint scanner Yes, rear Yes, in-display
Screen-to-body ratio
83.2%
85.2%

Performance

Tests of Xiaomi Redmi 9 and Samsung Galaxy A30s in the benchmarks
SoC
Chipset MediaTek Helio G80 Samsung Exynos 7 Octa 7904
Max. clock 2000 MHz 1770 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 1.8 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
- 6 cores at 1.6 GHz: Cortex-A53
- 2 cores at 1.8 GHz: Cortex-A73
Lithography process 12 nanometers 14 nanometers
Graphics Mali-G52 MP2 Mali-G71 MP2
GPU clock 950 MHz 770 MHz
FLOPS ~54.6 GFLOPS ~65 GFLOPS
Memory
RAM size 3, 4 GB 3, 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1933 MHz
Channels 2 2
Storage
Storage size 32, 64 GB 32, 64 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Redmi 9 +37%
358
Geekbench 5 (Multi-Core)
Redmi 9 +37%
1307
AnTuTu Benchmark 9
Redmi 9 +54%
220217
142827
CPU 72166 49897
GPU 37094 23484
Memory 46201 31910
UX 66932 38593
Total score 220217 142827
3DMark Wild Life Performance
Redmi 9 +63%
662
Stability 98% 97%
Graphics test 3 FPS 2 FPS
Graphics score 662 407
PCMark 3.0 score 8648 -
Sources: 3DMark [3], [4]

Software

Operating system Android 10 (Can be upgraded to Android 11) Android 9.0 (Can be upgraded to Android 11)
ROM MIUI 12.5 Enhanced Edition One UI 3.1
OS size 13 GB 10.9 GB

Battery

Specifications
Capacity 5020 mAh 4000 mAh
Charge power 18 W 15 W
Battery type Li-Po Li-Ion
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (50% in 80 min) Yes, Samsung Adaptive Fast Charge (40% in 30 min)
Full charging time 3:05 hr 1:45 hr

Battery life tests

Web browsing (Wi-Fi)
16:49 hr
Watching videos (Player)
15:36 hr
Talk (3G)
31:05 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 13 megapixels 25 megapixels
Image resolution 4128 x 3096 5288 x 3968
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording No No
1080p video recording Up to 30FPS Up to 30FPS
Slow motion 120 FPS (720p) 120 FPS (720p)
Angle of widest lens 118° 123°
Lenses 4 (13 MP + 8 MP + 5 MP + 2 MP) 3 (25 MP + 8 MP + 5 MP)
Wide (main) lens - 13 MP
- Aperture: f/2.2
- Focal length: 28 mm
- Pixel size: 1.12 micron
- Sensor: 1/3.1" (CMOS)
- Phase autofocus
- 25 MP
- Aperture: f/1.7
- Focal length: 27 mm
- Pixel size: 0.9 micron
- Sensor: 1/2.8", Samsung S5K2X5 (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
-
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", GalaxyCore GC02M1 (CMOS)
- 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 8 megapixels 16 megapixels
Image resolution 3264 x 2448 4608 x 3456
Aperture f/2.0 f/2.0
Focal length 27 mm 26 mm
Pixel size - 1 microns
Sensor type CMOS ISOCELL CMOS
Sensor size - 1/3.1"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 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, 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 GPS, GLONASS, Beidou
NFC* Yes 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* 7 10
5G support No -

Sound

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

Other

Category Budget Mid-range
Announced June 2020 August 2019
Release date July 2020 September 2019
SAR (head) 0.71 W/kg 1.05 W/kg
SAR (body) 1.06 W/kg 1.54 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 display, performance, and battery life are more important to you, then choose the Xiaomi Redmi 9. But if the sound is more of a priority – go for the Samsung Galaxy A30s.

Cast your vote

So, which phone would you choose?
61 (64.2%)
34 (35.8%)
Total votes: 95

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