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Xiaomi Redmi Note 8 vs Mi A3

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 Xiaomi Mi A3, which is powered by the same chip and came out 2 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
  • 45% higher pixel density (409 vs 282 PPI)
  • Delivers 75% higher maximum brightness (629 against 360 nits)
  • Shows 7% longer battery life (108 vs 101 hours)
  • More recent OS version: Android 11 versus 10
Reasons to consider the Xiaomi Mi A3
  • Slow-motion recording at 480FPS
  • Ability to record video in 4K resolution
  • Super AMOLED display (versus competitor's IPS LCD)
  • Faster storage type - UFS 2.0 versus eMMC 5.1
  • Weighs 17 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
Phone:
vs

Display

Type IPS LCD Super AMOLED
Size 6.3 inches 6.01 inches
Resolution 1080 x 2340 pixels 720 x 1560 pixels
Aspect ratio 19.5:9 19.5:9
PPI 409 ppi 282 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Screen-to-body ratio 81.7% 82.77%
Display features - - Always-On Display
- DC Dimming
Max. Brightness
629 nits
360 nits

Design and build

Height 158.3 mm (6.23 inches) 153.5 mm (6.04 inches)
Width 75.3 mm (2.96 inches) 71.9 mm (2.83 inches)
Thickness 8.4 mm (0.33 inches) 8.5 mm (0.33 inches)
Weight 190 gramm (6.7 oz) 173 gramm (6.1 oz)
Waterproof No No
Rear material Glass Glass
Frame material Plastic Plastic
Colors White, Black, Blue White, Gray, Blue
Fingerprint scanner Yes, rear Yes, in-display
Screen-to-body ratio
81.7%
Mi A3 +1%
82.77%

Performance

Tests of Xiaomi Redmi Note 8 and Xiaomi Mi A3 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 665 Qualcomm Snapdragon 665
Max. clock 2000 MHz 2000 MHz
CPU cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73)
- 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73)
Lithography process 11 nanometers 11 nanometers
Graphics Adreno 610 Adreno 610
GPU clock 600 MHz 600 MHz
FLOPS ~273 GFLOPS ~273 GFLOPS
Memory
RAM size 3, 4, 6 GB 4, 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 64, 128 GB
Storage type eMMC 5.1 UFS 2.0
Memory card MicroSD MicroSD
Memory card max. size Up to 256 GB Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
314
295
Geekbench 5 (Multi-Core)
1300
1103
AnTuTu Benchmark 9
195298
Mi A3 +4%
204063

Software

Operating system Android 9.0 (Can be upgraded to Android 11) Android 9.0 (Can be upgraded to Android 10)
ROM MIUI 12.5 Android One

Battery

Specifications
Capacity 4000 mAh 4030 mAh
Charge power 18 W 18 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, Quick Charge 3.0 (45% in 30 min)
Full charging time 2:05 hr 2:30 hr

Battery life tests

Web browsing (Wi-Fi)
16:00 hr
12:35 hr
Watching videos (Player)
14:24 hr
Mi A3 +49%
21:22 hr
Talk (3G)
25:01 hr
Mi A3 +22%
30:48 hr

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 Up to 30FPS
1080p video recording Up to 30FPS Up to 120FPS
Slow motion 120 FPS (720p) 480 FPS (720p)
Angle of widest lens 118° 118°
Lenses 4 (48 MP + 8 MP + 2 MP + 2 MP) 3 (48 MP + 8 MP + 2 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
- 48 MP
- Aperture: f/1.8
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX586 (CMOS)
- 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
- 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4" (CMOS)
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)
- 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 13 megapixels 32 megapixels
Image resolution 4224 x 3136 6816 x 4735
Aperture f/2.0 f/2.0
Focal length 28.21 mm -
Pixel size 1.12 microns 0.8 microns
Sensor type - ISOCELL CMOS
Sensor size 1/2.9" 1/2.8"
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 5 (802.11 b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE, HID, A2DP LE, HID, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- USB-Host mode
- OTG
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou, Galileo
NFC* No No
Infrared port Yes Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No Yes
LTE Cat* 12 6
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No No
Speakers test
Max. loudness
81.3 dB
Mi A3 +1%
81.9 dB

Other

Category Mid-range Mid-range
Announced August 2019 July 2019
Release date September 2019 August 2019
Launch price ~ 187 USD ~ 212 USD
SAR (head) 0.191 W/kg 0.3 W/kg
SAR (body) 1.034 W/kg 1.1 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 and software are more important to you, then choose the Xiaomi Redmi Note 8. But if the performance and camera are more of a priority – go for the Xiaomi Mi A3.

Cast your vote

So, which phone would you choose?
124 (44.8%)
153 (55.2%)
Total votes: 277

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