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Xiaomi Redmi Note 9 vs Samsung Galaxy A12

Here we compared two smartphones: the 6.53-inch Xiaomi Redmi Note 9 (with MediaTek Helio G85) that was released on April 30, 2020, against the Samsung Galaxy A12, which is powered by MediaTek Helio P35 and came out 7 months after. 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 9
  • 93% better performance in AnTuTu Benchmark (235K versus 121K)
  • 46% higher pixel density (395 vs 270 PPI)
  • Compatible with Wi-Fi 5 wireless networks
  • Uses a faster type of memory: LPDDR4X 2133 MHz
  • Slow-motion recording at 120FPS
  • 2.2x faster in single-core GeekBench 5 test: 369 and 166 points
  • Reverse charging feature
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy A12
  • Supports Dolby Atmos sound technology
  • The phone is 7-months newer

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 PLS TFT
Size 6.53 inches 6.5 inches
Resolution 1080 x 2340 pixels 720 x 1600 pixels
Aspect ratio 19.5:9 20:9
PPI 395 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Corning Gorilla Glass 5 Tempered glass
Screen-to-body ratio 83.5% 82.1%
Display tests
RGB color space 97.7% 96.3%
PWM Not detected 337 Hz
Response time 32.2 ms 52 ms
Contrast 4608:1 864:1
Max. Brightness
463 nits
468 nits
Sources: NotebookCheck [1], [2]

Design and build

Height 162.3 mm (6.39 inches) 164 mm (6.46 inches)
Width 77.2 mm (3.04 inches) 75.8 mm (2.98 inches)
Thickness 8.9 mm (0.35 inches) 8.9 mm (0.35 inches)
Weight 199 gramm (7.02 oz) 205 gramm (7.23 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors White, Gray, Green White, Black, Blue, Red
Fingerprint scanner Yes, rear Yes, in home button
Screen-to-body ratio
83.5%
82.1%

Performance

Tests of Xiaomi Redmi Note 9 and Samsung Galaxy A12 in the benchmarks
SoC
Chipset MediaTek Helio G85 MediaTek Helio P35
Max. clock 2000 MHz 2300 MHz
CPU cores 8 (2 + 6) 8 (8)
Architecture - 6 cores at 1.8 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
- 8 cores at 2.3 GHz: Cortex-A53
Lithography process 12 nanometers 12 nanometers
Graphics Mali-G52 MP2 IMG PowerVR GE8320
GPU clock 1000 MHz 680 MHz
FLOPS ~54 GFLOPS ~44.8 GFLOPS
Memory
RAM size 3, 4 GB 3, 4, 6 GB
Memory type LPDDR4X LPDDR4
Memory clock 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 32, 64, 128 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 1024 GB

Benchmarks

Geekbench 5 (Single-Core)
Redmi Note 9 +122%
369
Geekbench 5 (Multi-Core)
1282
1017
AnTuTu Benchmark 9
235569
121851

Software

Operating system Android 10 (Can be upgraded to Android 11) Android 10.0 (Can be upgraded to Android 11)
ROM MIUI 12.5 One UI 3.1 Core
OS size 16.5 GB 13 GB

Battery

Specifications
Capacity 5020 mAh 5000 mAh
Charge power 18 W 15 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging Yes No
Fast charging Yes (50% in 40 min) Yes (20% in 30 min)
Full charging time 1:30 hr 3:03 hr

Battery life tests

Web browsing (Wi-Fi)
18:00 hr
18:18 hr
Watching videos (Player)
18:09 hr
15:19 hr
Talk (3G)
34:52 hr
31:34 hr
Phones With the Best Battery Life (27th and 62nd place)

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 48 megapixels
Image resolution 8000 x 6000 8000 x 6000
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) No
Angle of widest lens 118° 123°
Lenses 4 (48 MP + 8 MP + 2 MP + 2 MP) 4 (48 MP + 5 MP + 2 MP + 2 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.0", Samsung S5KGM1 (ISOCELL Plus CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/2.0
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Samsung S5KGM2 (ISOCELL CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
- 5 MP
- Aperture: f/2.2
Macro lens - 2 MP
- Aperture: f/2.4
- 2 MP
- Aperture: f/2.4
Depth lens - 2 MP
- Aperture: f/2.4
- 2 MP
- Aperture: f/2.2
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Samples - Photo samples of Samsung Galaxy A12 from DxOMark
Selfie camera
Megapixels 13 megapixels 8 megapixels
Image resolution 4128 x 3096 3264 x 2448
Aperture f/2.3 f/2.0
Focal length 29 mm -
Pixel size 1.12 microns -
Sensor type CMOS CMOS
Sensor size 1/3.1" -
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/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
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
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* 12 7
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
92.4 dB
80.9 dB

Other

Category Mid-range Budget
Announced April 2020 November 2020
Release date June 2020 December 2020
Launch price ~ 212 USD ~ 150 USD
SAR (head) 0.8 W/kg 0.67 W/kg
SAR (body) 1.14 W/kg 1.38 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Accelerometer
- Ambient light sensor
- 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 9 is definitely a better buy.

Cast your vote

So, which phone would you choose?
136 (75.1%)
45 (24.9%)
Total votes: 181

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