Xiaomi Redmi Note 8 2021 vs Samsung Galaxy M12

Here we compared two smartphones: the 6.3-inch Xiaomi Redmi Note 8 2021 (with MediaTek Helio G85) that was released on May 25, 2021, against the Samsung Galaxy M12, which is powered by Exynos 850 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 2021
  • 51% higher pixel density (409 vs 270 PPI)
  • 40% better performance in AnTuTu Benchmark (206K versus 148K)
  • Compatible with Wi-Fi 5 wireless networks
  • Delivers 45% higher maximum brightness (625 against 430 nits)
  • Newer Bluetooth version (v5.2)
  • Slow-motion recording at 120FPS
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy M12
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • Higher display refresh rate – 90 Hz
  • More energy-efficient CPU – Exynos 850
  • Supports Dolby Atmos sound technology

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 6.3 inches 6.5 inches
Resolution 1080 x 2340 pixels 720 x 1600 pixels
Aspect ratio 19.5:9 20:9
PPI 409 ppi 270 ppi
Refresh rate 60 Hz 90 Hz
HDR support No No
Screen protection Corning Gorilla Glass 5 Tempered glass
Screen-to-body ratio 81.7% 81.9%
Display tests
RGB color space - 93.3%
Response time - 39 ms
Contrast - 926:1
Max. Brightness
625 nits
430 nits
Sources: NotebookCheck [1]

Design and build

Height 158.3 mm (6.23 inches) 164 mm (6.46 inches)
Width 75.3 mm (2.96 inches) 75.9 mm (2.99 inches)
Thickness 8.4 mm (0.33 inches) 9.7 mm (0.38 inches)
Weight 190 gramm (6.7 oz) 214 gramm (7.55 oz)
Waterproof No No
Rear material Glass Plastic
Frame material Plastic Plastic
Colors White, Black, Blue Black, Blue, Green
Fingerprint scanner Yes, rear Yes, in home button
Screen-to-body ratio

Performance

Tests of Xiaomi Redmi Note 8 2021 and Samsung Galaxy M12 in the benchmarks
SoC
Chipset MediaTek Helio G85 Samsung Exynos 850
Max. clock 2000 MHz 2000 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 GHz: Cortex-A55
Lithography process 12 nanometers 8 nanometers
Graphics Mali-G52 MP2 Mali-G52 MP1
GPU clock 1000 MHz 680 MHz
FLOPS ~54 GFLOPS ~26 GFLOPS
Memory
RAM size 3, 4 GB 3, 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 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 256 GB Up to 1024 GB

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
1303
1052
AnTuTu Benchmark 9
206897
148085

Software

Operating system Android 11 Android 11
ROM MIUI 12.5 One UI Core 3.1
OS size - 14 GB

Battery

Specifications
Capacity 4000 mAh 5000 mAh
Charge power 18 W 15 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (34% in 30 min) Yes (40% in 60 min)
Full charging time 2:00 hr 2:30 hr

Battery life tests

Web browsing (Wi-Fi)
Watching videos (Player)
Talk (3G)

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" (CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/2.0
- Pixel size: 0.8 micron
- Sensor: 1/2", Samsung S5KGM2 (CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/5" (CMOS)
- 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
Macro lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5" (CMOS)
- 2 MP
- Aperture: f/2.4
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5" (CMOS)
- 2 MP
- Aperture: f/2.2
Camera features - Bokeh mode
- Pro mode
- 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 CMOS
Sensor size 1/2.9" -
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) 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
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5.2 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* 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* 7 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

Other

Category Mid-range Budget
Announced May 2021 November 2020
Release date May 2021 April 2021
Launch price ~ 200 USD ~ 162 USD
SAR (head) - 0.54 W/kg
SAR (body) - 1.39 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

If the display, performance, camera, connectivity, and design are more important to you, then choose the Xiaomi Redmi Note 8 2021. But if the battery life and sound are more of a priority – go for the Samsung Galaxy M12.

Cast your vote

So, which phone would you choose?
7 (77.8%)
2 (22.2%)
Total votes: 9

User opinions

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