Xiaomi Redmi 9 vs Redmi 8

Here we compared two budget smartphones: the 6.53-inch Xiaomi Redmi 9 (with MediaTek Helio G80) that was released on June 10, 2020, against the Xiaomi Redmi 8, which is powered by Qualcomm Snapdragon 439 and came out 8 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 9
  • 2.1x better performance in AnTuTu Benchmark (222K versus 108K)
  • 46% higher pixel density (395 vs 270 PPI)
  • Compatible with Wi-Fi 5 wireless networks
  • Newer Bluetooth version (v5)
  • Has a 0.31 inch larger screen size
  • Uses a faster type of memory: LPDDR4X 1866 MHz
  • Has an ultra-wide angle camera lens
  • 2x faster in single-core GeekBench 5 test: 355 and 174 points
  • The phone is 8-months newer
Reasons to consider the Xiaomi Redmi 8
  • Delivers 21% higher maximum brightness (512 against 424 nits)

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 IPS LCD
Size 6.53 inches 6.22 inches
Resolution 1080 x 2340 pixels 720 x 1520 pixels
Aspect ratio 19.5:9 19:9
PPI 395 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 5
Screen-to-body ratio 83.2% 81.8%
Display tests
RGB color space 93% 95.7%
PWM 500 Hz Not detected
Response time 35 ms 55.2 ms
Contrast 710:1 2308:1
Max. Brightness
424 nits
Redmi 8 +21%
512 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 163.3 mm (6.43 inches) 156.5 mm (6.16 inches)
Width 77 mm (3.03 inches) 75.4 mm (2.97 inches)
Thickness 9.1 mm (0.36 inches) 9.4 mm (0.37 inches)
Weight 198 gramm (6.98 oz) 188 gramm (6.63 oz)
Waterproof No Yes
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Gray, Green, Purple Black, Blue, Red
Fingerprint scanner Yes, rear Yes, rear
Screen-to-body ratio
Redmi 9 +2%
83.2%
81.8%

Performance

Tests of Xiaomi Redmi 9 and Xiaomi Redmi 8 in the benchmarks
SoC
Chipset MediaTek Helio G80 Qualcomm Snapdragon 439
Max. clock 2000 MHz 2000 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 1.8 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
- 4 cores at 1.45 GHz: Cortex-A53
- 4 cores at 2 GHz: Cortex-A53
Lithography process 12 nanometers 12 nanometers
Graphics Mali-G52 MP2 Adreno 505
GPU clock 950 MHz 450 MHz
FLOPS ~54.6 GFLOPS ~48 GFLOPS
Memory
RAM size 3, 4 GB 3, 4 GB
Memory type LPDDR4X LPDDR3
Memory clock 1866 MHz 933 MHz
Channels 2 1
Storage
Storage size 32, 64 GB 32, 64 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
Redmi 9 +104%
355
174
Geekbench 5 (Multi-Core)
Redmi 9 +67%
1312
787
AnTuTu Benchmark 9
Redmi 9 +105%
222364
108256
CPU 72166 42493
GPU 37094 10332
Memory 46201 31215
UX 66932 24460
Total score 222364 108256
3DMark Wild Life Performance
663
n/a
Stability 98% -
Graphics test 3 FPS -
Graphics score 663 -
PCMark 3.0 score 8479 -
Sources: 3DMark [3]

Software

Operating system Android 10 (Can be upgraded to Android 11) Android 9.0 (Can be upgraded to Android 11)
ROM MIUI 12.5 Enhanced Edition MIUI 12.5
OS size 13 GB 15 GB

Battery

Specifications
Capacity 5020 mAh 5000 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 (50% in 80 min) Yes, Quick Charge 3.0 (50% in 85 min)
Full charging time 3:05 hr 3:20 hr
Battery life tests
Web browsing 11:20 hr -
Watching video 13:39 hr -
Gaming 05:36 hr -
Standby 116 hr -
General battery life
33:05 hr
n/a

Camera

Specs and camera test of smartphones
Main camera
Matrix 13 megapixels 12 megapixels
Image resolution 4128 x 3096 4000 x 3000
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) 120 FPS (720p)
Angle of widest lens 118° 113°
Lenses 4 (13 MP + 8 MP + 5 MP + 2 MP) 2 (12 MP + 2 MP)
Wide (main) lens - 13 MP
- Aperture: f/2.2
- Focal length: 28 mm
- Pixel size: 1.12 micron
- Sensor: 1/3.1" (CMOS)
- Phase autofocus
- 12 MP
- Aperture: f/1.8
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX363 (BSI CMOS)
- Phase autofocus (Dual Pixel)
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0", OmniVision OV8856
-
Macro lens - 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", GalaxyCore GC02M1 (CMOS)
- 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 8 megapixels 8 megapixels
Image resolution 3264 x 2448 3648 x 2190
Aperture f/2.0 f/2.0
Focal length 27 mm -
Pixel size - 1.12 microns
Sensor type CMOS CMOS
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 4 (802.11 b/g/n)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 4.2
Bluetooth features LE, HID, A2DP LE, 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, Galileo GPS, GLONASS, Beidou
NFC* Yes 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 No
LTE Cat* 7 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
83.7 dB
Redmi 8 +6%
88.6 dB

Other

Category Budget Budget
Announced June 2020 October 2019
Release date July 2020 October 2019
SAR (head) 0.71 W/kg 0.231 W/kg
SAR (body) 1.06 W/kg 1.48 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*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 9 is definitely a better buy.

Cast your vote

So, which phone would you choose?
448 (76.3%)
139 (23.7%)
Total votes: 587

User opinions

You can share your opinion or ask a question in the comments below
Promotion