Xiaomi Redmi Note 8 vs Redmi 9
Here we compared two smartphones: the 6.3-inch Xiaomi Redmi Note 8 (with Qualcomm Snapdragon 665) that was released on August 29, 2019, against the Xiaomi Redmi 9, which is powered by MediaTek Helio G80 and came out 10 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Xiaomi Redmi Note 8
- Delivers 48% higher peak brightness (626 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 15% longer battery life (32:52 vs 28:42 hours)
- More recent OS version: Android 12 versus 11
- 13% faster in single-core GeekBench 5 test: 357 and 315 points
- The phone is 10-months newer
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.
Value for money
You can enter your local prices of these phones (in USD or other currency) and click on the "Calculate" button to see which one has a better value for money.
Tests and specifications
Comparison table of technical specifications and testsDisplay
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 |
Adaptive refresh rate | No | No |
Max rated brightness | 450 nits | 400 nits |
HDR support | No | No |
Screen protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 3 |
Screen-to-body ratio | 81.7% | 83.2% |
RGB color space | - | 93% |
PWM | - | 500 Hz |
Response time | - | 35 ms |
Contrast | - | 710:1 |
Peak brightness test (auto)
Design and build
Height | 158.3 mm (6.23 inches) | 163.3 mm (6.43 inches) |
Width | 75.3 mm (2.96 inches) | 77 mm (3.03 inches) |
Thickness | 8.4 mm (0.33 inches) | 9.1 mm (0.36 inches) |
Weight | 190 g (6.7 oz) | 198 g (6.98 oz) |
Waterproof | No | No |
Rear material | Glass | Plastic |
Frame material | Plastic | Plastic |
Colors | White, Black, Blue | Gray, Green, Purple |
Fingerprint scanner | Yes, rear | Yes, rear |
Screen-to-body ratio
Performance
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 |
L3 cache | - | 1 MB |
Lithography process | 11 nanometers | 12 nanometers |
Graphics | Adreno 610 | Mali-G52 MP2 |
GPU clock | 950 MHz | 950 MHz |
FLOPS | ~243 GFLOPS | ~54.6 GFLOPS |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
CPU | 66836 | 73253 |
GPU | 39821 | 36316 |
Memory | 37987 | 39388 |
UX | 62159 | 67606 |
Total score | 204833 | 214696 |
3DMark Wild Life Performance
Max surface temperature | - | 47 °C |
Stability | 98% | 98% |
Graphics test | 1 FPS | 3 FPS |
Graphics score | 261 | 664 |
Web score | 5621 | 7317 |
Video editing | 4907 | 5459 |
Photo editing | 11582 | 19575 |
Data manipulation | 5171 | 6258 |
Writing score | 6638 | 9081 |
Memory
RAM size | 3, 4, 6 GB | 3, 4, 6 GB |
Memory type | LPDDR4X | LPDDR4X |
Memory clock | 1866 MHz | 1866 MHz |
Channels | 2 | 2 |
Storage size | 32, 64, 128 GB | 32, 64, 128 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 Enhanced | MIUI 13 |
OS size | - | 13 GB |
Battery
Capacity | 4000 mAh | 5020 mAh |
Max 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 4.0 (50% in 35 min) | Yes (50% in 80 min) |
Full charging time | 2:05 hr | 3:05 hr |
Web browsing | 11:17 hr | 11:11 hr |
Watching video | 11:32 hr | 13:39 hr |
Gaming | 05:00 hr | 05:25 hr |
Standby | 87 hr | 116 hr |
General battery life
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 | 118° | 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 S5KGM2 (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: 1/5", Omnivision OV8856 (PureCel) |
- 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 (PureCel) |
- 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 |
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 |
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* | No | Yes |
Infrared port | Yes | Yes |
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
Other
Category | Mid-range | Budget |
Announced | August 2019 | June 2020 |
Release date | September 2019 | July 2020 |
SAR (head) | 0.191 W/kg | 0.71 W/kg |
SAR (body) | 1.034 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 |
Bundled charger | - | Yes, 10 W |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the gaming, 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 8.
Cast your vote
Total votes: 1726