Xiaomi Redmi 8A vs Mi A2

Here we compared two smartphones: the 6.22-inch Xiaomi Redmi 8A (with Qualcomm Snapdragon 439) that was released on September 25, 2019, against the Xiaomi Mi A2, which is powered by Qualcomm Snapdragon 660 and came out 14 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 8A
  • Comes with 1990 mAh larger battery capacity: 5000 vs 3010 mAh
  • Expandable storage via MicroSD card up to 256GB
  • The phone is 1-year and 2-months newer
  • More energy-efficient CPU – Snapdragon 439
  • Includes a 3.5 mm headphone audio jack port
Reasons to consider the Xiaomi Mi A2
  • 61% better performance in AnTuTu Benchmark (165K versus 102K)
  • 49% higher pixel density (403 vs 270 PPI)
  • Compatible with Wi-Fi 5 wireless networks
  • Newer Bluetooth version (v5)
  • Uses a faster type of memory: LPDDR4X 1866 MHz
  • Fingerprint scanner
  • Ability to record video in 4K resolution
  • Slow-motion recording at 120FPS
  • Has a built-in infrared port

Review

Display
Screen quality, color accuracy, brightness
56
Performance
CPU/GPU performance in apps and games
31
Battery
Battery life, charging type and speed
56
Camera
Photo and video recording quality
50
Connectivity
Networks, ports, data transmission
75
NanoReview score
Final comparison evaluation
51

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 IPS LCD
Size 6.22 inches 5.99 inches
Resolution 720 x 1520 pixels 1080 x 2160 pixels
Aspect ratio 19:9 18:9
PPI 270 ppi 403 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 81.8% 77.63%
Max. Brightness
401 nits
Mi A2 +6%
424 nits

Design and build

Height 156.5 mm (6.16 inches) 158.7 mm (6.25 inches)
Width 75.4 mm (2.97 inches) 75.4 mm (2.97 inches)
Thickness 9.4 mm (0.37 inches) 7.3 mm (0.29 inches)
Weight 188 gramm (6.63 oz) 168 gramm (5.93 oz)
Waterproof No No
Rear material Plastic Metal
Frame material Plastic Metal
Colors Black, Blue, Red Black, Gold, Blue, Red
Fingerprint scanner No Yes, rear
Screen-to-body ratio
Redmi 8A +5%
81.8%
77.63%

Performance

Tests of Xiaomi Redmi 8A and Xiaomi Mi A2 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 439 Qualcomm Snapdragon 660
Max. clock 2000 MHz 2200 MHz
CPU cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4 cores at 1.45 GHz: Cortex-A53
- 4 cores at 2 GHz: Cortex-A53
- 4 cores at 1.84 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2.2 GHz: Kryo 260 Gold (Cortex-A73)
Lithography process 12 nanometers 14 nanometers
Graphics Adreno 505 Adreno 512
GPU clock 450 MHz 650 MHz
FLOPS ~48 GFLOPS ~217 GFLOPS
Memory
RAM size 2 GB 4, 6 GB
Memory type LPDDR3 LPDDR4X
Memory clock 933 MHz 1866 MHz
Channels 1 2
Storage
Storage size 32 GB 32, 64, 128 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD No
Memory card max. size Up to 256 GB -

Benchmarks

Geekbench 5 (Single-Core)
182
Mi A2 +87%
341
Geekbench 5 (Multi-Core)
828
Mi A2 +42%
1179
AnTuTu Benchmark 9
102598
Mi A2 +61%
165178

Software

Operating system Android 9.0 (Can be upgraded to Android 10) Android 8.1 (Can be upgraded to Android 10)
ROM MIUI 12 Android One

Battery

Specifications
Capacity 5000 mAh 3010 mAh
Charge power 18 W 18 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes, Quick Charge 3.0 (23% in 30 min) Yes, Quick Charge 3.0 (50% in 30 min)
Full charging time 2:56 hr 1:35 hr

Battery life tests

Web browsing (Wi-Fi)
n/a
9:35 hr
Watching videos (Player)
n/a
9:02 hr
Talk (3G)
n/a
21:58 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 12 megapixels 12 megapixels
Image resolution 4000 x 3000 4000 x 3000
Zoom Digital Digital, 2x
Flash LED Dual LED
Stabilization Digital Digital
8K video recording No -
4K video recording No Up to 30FPS
1080p video recording Up to 30FPS Up to 60FPS
Slow motion No 120 FPS (720p)
Lenses 1 (12 MP) 2 (12 MP + 20 MP)
Wide (main) lens - 12 MP
- Aperture: f/1.8
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX363 (BSI CMOS)
- Phase autofocus (Dual Pixel)
- 12 MP
- Aperture: f/1.8
- Pixel size: 1.25 micron
- Sensor: 1/2.9", Sony IMX486 (Exmor-RS CMOS)
- Phase autofocus
Depth lens - - 20 MP
- Aperture: f/1.8
- Pixel size: 1 micron
- Sensor: 1/2.8", Sony IMX376 (BSI CMOS)
- Phase autofocus
Camera features - - Bokeh mode
- Pro mode
Selfie camera
Megapixels 8 megapixels 20 megapixels
Image resolution 3648 x 2190 5184 x 3880
Aperture f/2.0 f/2.2
Pixel size 1.12 microns 1 microns
Sensor type CMOS BSI CMOS
Sensor size 1/4" 1/2.8"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 4 (802.11 b/g/n) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 4.2 5
Bluetooth features LE, A2DP HID, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- USB-Host mode
- OTG
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou
NFC* No No
Infrared port No 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* 4 12
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes No
FM radio Yes No
Dolby Atmos No No
Speakers test
Max. loudness
n/a
89 dB

Other

Category Budget Mid-range
Announced September 2019 July 2018
Release date September 2019 August 2018
Launch price ~ 112 USD ~ 300 USD
SAR (head) 0.232 W/kg 0.963 W/kg
SAR (body) 1.48 W/kg 0.639 W/kg
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- Compass
- 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, camera, connectivity, design, and sound are more important to you, then choose the Xiaomi Mi A2. But if the battery life is more of a priority – go for the Xiaomi Redmi 8A.

Cast your vote

So, which phone would you choose?
3 (27.3%)
8 (72.7%)
Total votes: 11

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