Xiaomi Redmi Note 9 Pro vs Oppo Reno 4

55 out of 100
Xiaomi Redmi Note 9 Pro
VS
54 out of 100
Oppo Reno 4

Here we compared two mid-range smartphones: the 6.67-inch Xiaomi Redmi Note 9 Pro (with Qualcomm Snapdragon 720G) that was released on April 30, 2020, against the Oppo Reno 4, which is powered by the same chip and came out 1 month after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi Note 9 Pro
  • Comes with 1005 mAh larger battery capacity: 5020 vs 4015 mAh
  • Slow-motion recording at 960FPS
  • More recent OS version: Android 12 versus 10
  • Has a built-in infrared port
Reasons to consider the Oppo Reno 4
  • Newer Bluetooth version (v5.1)
  • OLED display (versus competitor's IPS LCD)
  • Supports Dolby Atmos sound technology
  • Weighs 44 grams less

Review

Evaluation of Xiaomi Redmi Note 9 Pro and Oppo Reno 4 crucial features
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
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.
Adjust priorities
Feature
Priority (Weight)
Display:
Camera:
Performance:
Gaming:
Battery Life:
Connectivity:
The higher the priority, the more it will affect the final NanoReview score.

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.
VS

Tests and specifications

Comparison table of technical specifications and tests

Display

Type IPS LCD OLED
Size 6.67 inches 6.4 inches
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 395 ppi 411 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max rated brightness 450 nits 800 nits
HDR support Yes, HDR10 No
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 3
Screen-to-body ratio 84.5% 84.7%
Display features - - Always-On Display
Display tests
RGB color space 99.8% -
PWM 2404 Hz -
Response time 35.2 ms -
Contrast 1649:1 -
Peak brightness test (auto)
611 nits
n/a
Sources: NotebookCheck [3]

Design and build

Height 165.8 mm (6.53 inches) 160.3 mm (6.31 inches)
Width 76.7 mm (3.02 inches) 73.9 mm (2.91 inches)
Thickness 8.8 mm (0.35 inches) 7.7 mm (0.3 inches)
Weight 209 g (7.37 oz) 165 g (5.82 oz)
Waterproof No No
Rear material Glass Plastic
Frame material Plastic Plastic
Colors White, Gray, Green Black, Blue, Purple
Fingerprint scanner Yes, in home button Yes, in-display
Screen-to-body ratio
84.7%

Performance

Tests of Xiaomi Redmi Note 9 Pro and Oppo Reno 4 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 720G Qualcomm Snapdragon 720G
Max clock 2300 MHz 2300 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 1.8 GHz: Kryo 465 Silver (Cortex-A55)
- 2 cores at 2.3 GHz: Kryo 465 Gold (Cortex-A76)
- 6 cores at 1.8 GHz: Kryo 465 Silver (Cortex-A55)
- 2 cores at 2.3 GHz: Kryo 465 Gold (Cortex-A76)
Lithography process 8 nanometers 8 nanometers
Graphics Adreno 618 Adreno 618
GPU clock 750 MHz 750 MHz
FLOPS ~384 GFLOPS ~384 GFLOPS

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Reno 4 +1%
1771
AnTuTu Benchmark 9
335297
309275
CPU 106874 96650
GPU 85456 81422
Memory 57373 55661
UX 86597 78522
Total score 335297 309275
3DMark Wild Life Performance
Max surface temperature 42.3 °C -
Stability 99% -
Graphics test 6 FPS -
Graphics score 1043 -
Web score 5942 -
Video editing 5434 -
Photo editing 16800 -
Data manipulation 7109 -
Writing score 9188 -
Sources: 3DMark [3]

Memory

RAM
RAM size 4, 6, 8 GB 8 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 128 GB
Storage type UFS 2.1 UFS 2.1
Memory card MicroSD MicroSD
Memory card max size Up to 512 GB Up to 512 GB

Software

Operating system Android 10.0 (Can be upgraded to Android 12) Android 10
ROM MIUI 14 ColorOS 7.2
OS size 18.9 GB -

Battery

Capacity 5020 mAh 4015 mAh
Max charge power 33 W 30 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (50% in 30 min) Yes (50% in 35 min)
Full charging time 1:20 hr 1:15 hr
Battery life tests
Web browsing 13:58 hr -
Watching video 13:55 hr -
Gaming 05:29 hr -
Standby 135 hr -
General battery life
37:48 hr
n/a

Camera

Specs and camera test of smartphones
Main camera
Matrix 64 megapixels 48 megapixels
Image resolution 9248 x 6920 8000 x 6000
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 120 FPS (720p)
Angle of widest lens 119° 119°
Lenses 4 (64 MP + 8 MP + 5 MP + 2 MP) 4 (48 MP + 8 MP + 2 MP + 2 MP)
Wide (main) lens - 64 MP
- Aperture: f/1.9
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.72", Samsung Bright S5KGW1 (ISOCELL CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/1.7
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.25", Sony IMX586 (Exmor-RS CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0", GalaxyCore GC8034 (BSI CMOS)
- 8 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
Macro lens - 5 MP
- Aperture: f/2.4
- Pixel size: 1.12 micron
- Sensor: 1/5.0", Samsung S5K5E9 (ISOCELL CMOS)
- 2 MP
- Aperture: f/2.4
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
- RAW support
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 16 megapixels 32 megapixels
Image resolution 4920 x 3264 6528 x 4896
Aperture f/2.48 f/2.4
Focal length - 26 mm
Pixel size 1 microns 0.8 microns
Sensor type CMOS ISOCELL CMOS
Sensor size 1/3.1" 1/2.8"
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
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.1
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
- OTG
GPS GPS, GLONASS, Beidou, Galileo, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Yes
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 20
5G support No No

Sound

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

Other

Category Mid-range Mid-range
Announced April 2020 June 2020
Release date May 2020 July 2020
SAR (head) 0.66 W/kg -
SAR (body) 1.02 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 camera, software, battery life, and design are more important to you, then choose the Xiaomi Redmi Note 9 Pro. But if the display, performance, gaming, connectivity, and sound are more of a priority – go for the Oppo Reno 4.

Cast your vote

So, which phone would you choose?
12 (80%)
3 (20%)
Total votes: 15

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