Xiaomi Redmi Note 8T vs Redmi 9

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 9, which is powered by MediaTek Helio G80 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
  • Delivers 41% higher peak brightness (598 against 423 nits)
  • Ability to record video in 4K resolution
  • Slow-motion recording at 240FPS
Reasons to consider the Xiaomi Redmi 9
  • Comes with 1020 mAh larger battery capacity: 5020 vs 4000 mAh
  • Shows 19% longer battery life (32:52 vs 27:34 hours)
  • 14% better performance in AnTuTu Benchmark (216K versus 190K)
  • More recent OS version: Android 12 versus 11
  • 13% faster in single-core GeekBench 5 test: 356 and 314 points
  • The phone is 8-months newer
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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

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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 1080 x 2340 pixels
Aspect ratio 19.5:9 19.5:9
PPI 409 ppi 395 ppi
Refresh rate 60 Hz 60 Hz
Max rated brightness 500 nits 400 nits
HDR support No No
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 3
Screen-to-body ratio 80.2% 83.2%
Display tests
RGB color space 99.3% 93%
PWM Not detected 500 Hz
Response time 46.4 ms 35 ms
Contrast 1163:1 710:1
Peak brightness test (auto)
598 nits
423 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 161.1 mm (6.34 inches) 163.3 mm (6.43 inches)
Width 75.4 mm (2.97 inches) 77 mm (3.03 inches)
Thickness 8.6 mm (0.34 inches) 9.1 mm (0.36 inches)
Weight 200 g (7.05 oz) 198 g (6.98 oz)
Waterproof No No
Rear material Glass Plastic
Frame material Plastic Plastic
Colors White, Gray, Blue Gray, Green, Purple
Fingerprint scanner Yes, rear Yes, rear
Screen-to-body ratio
Redmi 9 +4%
83.2%

Performance

Tests of Xiaomi Redmi Note 8T and Xiaomi Redmi 9 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 665 MediaTek Helio G80
Max. clock 2000 MHz 2000 MHz
CPU cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73)
- 6 cores at 1.8 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
Lithography process 11 nanometers 12 nanometers
Graphics Adreno 610 Mali-G52 MP2
GPU clock 950 MHz 950 MHz
FLOPS ~273 GFLOPS ~54.6 GFLOPS

Benchmarks

Geekbench 5 (Single-Core)
Redmi 9 +13%
356
Geekbench 5 (Multi-Core)
1362
1302
AnTuTu Benchmark 9
190389
Redmi 9 +14%
216607
CPU 68240 73414
GPU 33711 33594
Memory 34851 44013
UX 54044 65802
Total score 190389 216607
3DMark Wild Life Performance
Redmi 9 +206%
664
Stability 98% 98%
Graphics test 1 FPS 3 FPS
Graphics score 217 664
PCMark 3.0 score 6372 8448
Sources: 3DMark [3], [4]

Memory

RAM
RAM size 3, 4 GB 3, 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 32, 64, 128 GB 32, 64 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 256 GB Up to 512 GB

Software

Operating system Android 9.0 (Can be upgraded to Android 11) Android 10 (Can be upgraded to Android 12)
ROM MIUI 12.5 MIUI 13
OS size 8 GB 13 GB

Battery

Specifications
Capacity 4000 mAh 5020 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 (50% in 35 min) Yes (50% in 80 min)
Full charging time 2:05 hr 3:05 hr
Battery life tests
Web browsing 09:45 hr 11:11 hr
Watching video 11:35 hr 13:39 hr
Gaming 04:02 hr 05:25 hr
Standby 94 hr 116 hr
General battery life
27:34 hr
Redmi 9 +19%
32:52 hr

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) 120 FPS (720p)
Angle of widest lens 120° 118°
Lenses 4 (48 MP + 8 MP + 2 MP + 2 MP) 4 (13 MP + 8 MP + 5 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 S5KGM1 (ISOCELL CMOS)
- Phase autofocus
- 13 MP
- Aperture: f/2.2
- Focal length: 28 mm
- Pixel size: 1.12 micron
- Sensor: 1/3.1" (CMOS)
- 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)
- 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0", OmniVision OV8856
Macro lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", Omnivision OV02A10 (CMOS)
- 5 MP
- Aperture: f/2.4
- Pixel size: 1.12 micron
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
- Pixel size: 1.75 micron
- Sensor: 1/5", GalaxyCore GC02M1 (CMOS)
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 27 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 5 (802.11 a/b/g/n/ac)
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 USB Type-C
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 Yes
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 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 No
Speakers test
Max. loudness
87.9 dB
83.7 dB

Other

Category Mid-range Budget
Announced November 2019 June 2020
Release date December 2019 July 2020
SAR (head) 0.74 W/kg 0.71 W/kg
SAR (body) 1.3 W/kg 1.06 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 performance, software, and battery life are more important to you, then choose the Xiaomi Redmi 9. But if the camera is more of a priority – go for the Xiaomi Redmi Note 8T.

Cast your vote

So, which phone would you choose?
457 (51.1%)
437 (48.9%)
Total votes: 894

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