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Xiaomi Redmi Note 8T vs Redmi 9A

Here we compared two smartphones: the 6.3-inch Xiaomi Redmi Note 8T (with Qualcomm Snapdragon 665) that was released on November 6, 2019, against the Xiaomi Redmi 9A, which is powered by MediaTek Helio G25 and came out 8 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 8T
  • 2x better performance in AnTuTu Benchmark (187K versus 93K)
  • 52% higher pixel density (409 vs 269 PPI)
  • Modern USB Type-C port
  • Compatible with Wi-Fi 5 wireless networks
  • Supports 18W fast charging
  • Delivers 35% higher maximum brightness (587 against 435 nits)
  • Slow-motion recording at 240FPS
  • Fingerprint scanner
  • Ability to record video in 4K resolution
  • Has an ultra-wide angle camera lens
  • Has a built-in infrared port
Reasons to consider the Xiaomi Redmi 9A
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • The phone is 8-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 IPS LCD
Size 6.3 inches 6.53 inches
Resolution 1080 x 2340 pixels 720 x 1600 pixels
Aspect ratio 19.5:9 20:9
PPI 409 ppi 269 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Corning Gorilla Glass 5 Tempered glass
Screen-to-body ratio 80.2% 81.1%
Display tests
RGB color space 99.3% 92.9%
PWM Not detected -
Response time 46.4 ms 40 ms
Contrast 1163:1 1318:1
Max. Brightness
587 nits
435 nits
Sources: NotebookCheck [1], [2]

Design and build

Height 161.1 mm (6.34 inches) 164.9 mm (6.49 inches)
Width 75.4 mm (2.97 inches) 77 mm (3.03 inches)
Thickness 8.6 mm (0.34 inches) 9 mm (0.35 inches)
Weight 200 gramm (7.05 oz) 194 gramm (6.84 oz)
Waterproof No No
Rear material Glass Plastic
Frame material Plastic Plastic
Colors White, Gray, Blue Gray, Blue, Green
Fingerprint scanner Yes, rear No
Screen-to-body ratio
Redmi 9A +1%
81.1%

Performance

Tests of Xiaomi Redmi Note 8T and Xiaomi Redmi 9A in the benchmarks
SoC
Chipset Qualcomm Snapdragon 665 MediaTek Helio G25
Max. clock 2000 MHz 2000 MHz
CPU cores 8 (4 + 4) 8 (8)
Architecture - 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73)
- 8 cores at 2 GHz: Cortex-A53
Lithography process 11 nanometers 12 nanometers
Graphics Adreno 610 IMG PowerVR GE8320
GPU clock 600 MHz 650 MHz
FLOPS ~273 GFLOPS ~41.8 GFLOPS
Memory
RAM size 3, 4 GB 2 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage size 32, 64 GB 32 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 256 GB Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
309
136
Geekbench 5 (Multi-Core)
1356
465
AnTuTu Benchmark 9
187819
93100

Software

Operating system Android 9.0 (Can be upgraded to Android 10) Android 10
ROM MIUI 12 MIUI 12
OS size 8 GB 11 GB

Battery

Specifications
Capacity 4000 mAh 5000 mAh
Charge power 18 W 10 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (50% in 35 min) No
Full charging time 2:05 hr 2:55 hr

Battery life tests

Web browsing (Wi-Fi)
14:50 hr
n/a
Watching videos (Player)
14:29 hr
n/a
Talk (3G)
27:19 hr
n/a

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 13 megapixels
Image resolution 8000 x 6000 4128 x 3096
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS No
1080p video recording Up to 60FPS Up to 30FPS
Slow motion 240 FPS (720p) No
Angle of widest lens 120° -
Lenses 4 (48 MP + 8 MP + 2 MP + 2 MP) 1 (13 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Samsung S5KGM1 (ISOCELL CMOS)
- Phase autofocus
- 13 MP
- Aperture: f/2.2
- Focal length: 28 mm
- Pixel size: 1 micron
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4", Omnivision OV8856 (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)
-
Camera features - Bokeh mode
- Pro mode
-
Selfie camera
Megapixels 13 megapixels 5 megapixels
Image resolution 4224 x 3136 2560 x 1960
Aperture f/2.0 f/2.2
Focal length 28.21 mm -
Pixel size 1.12 microns 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 a/b/g/n)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- 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 Micro USB
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou, Galileo
NFC* Yes No
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 4
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
87.9 dB
76.5 dB

Other

Category Mid-range Budget
Announced November 2019 June 2020
Release date December 2019 August 2020
Launch price ~ 187 USD ~ 100 USD
SAR (head) 0.74 W/kg 0.398 W/kg
SAR (body) 1.3 W/kg 0.901 W/kg
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Accelerometer
- Ambient light sensor
- Compass
*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 8T is definitely a better buy.

Cast your vote

So, which phone would you choose?
18 (69.2%)
8 (30.8%)
Total votes: 26

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