Xiaomi Redmi Note 9 Pro vs 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 gadgets.

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 11 versus 10
  • Has a built-in infrared port
Reasons to consider the Oppo Reno 4
  • Delivers 29% higher maximum brightness (791 against 615 nits)
  • Newer Bluetooth version (v5.1)
  • OLED display (versus competitor's IPS LCD)
  • Supports Dolby Atmos sound technology
  • Weighs 44 grams less
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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 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
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 -
Max. Brightness
615 nits
Reno 4 +29%
791 nits
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 gramm (7.37 oz) 165 gramm (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)
L3 cache 1 MB 1 MB
Lithography process 8 nanometers 8 nanometers
Graphics Adreno 618 Adreno 618
GPU clock 750 MHz 750 MHz
FLOPS ~435 GFLOPS ~435 GFLOPS
Memory
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

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Reno 4 +2%
1782
AnTuTu Benchmark 9
326185
309820
CPU 104965 96650
GPU 85572 81422
Memory 50259 55661
UX 86941 78522
Total score 326185 309820
3DMark Wild Life Performance
Stability 97% -
Graphics test 4 FPS -
Graphics score 781 -
PCMark 3.0 score 8103 -
Sources: 3DMark [3]

Software

Operating system Android 10.0 (Can be upgraded to Android 11) Android 10
ROM MIUI 12.5 Enhanced ColorOS 7.2
OS size 18.9 GB -

Battery

Specifications
Capacity 5020 mAh 4015 mAh
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 (Wi-Fi)
17:23 hr
n/a
Watching videos (Player)
16:45 hr
n/a
Talk (3G)
43:57 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 software, battery life, camera, and design are more important to you, then choose the Xiaomi Redmi Note 9 Pro. But if the display, performance, and connectivity are more of a priority – go for the Oppo Reno 4.

Cast your vote

So, which phone would you choose?
10 (76.9%)
3 (23.1%)
Total votes: 13

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