Xiaomi Poco X3 NFC vs Oppo Realme 9 Pro Plus

Here we compared two mid-range smartphones: the 6.67-inch Xiaomi Poco X3 NFC (with Qualcomm Snapdragon 732G) that was released on September 7, 2020, against the Oppo Realme 9 Pro Plus, which is powered by MediaTek Dimensity 920 and came out 18 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 Poco X3 NFC
  • Water-resistant body (IP53 classification)
  • Higher display refresh rate – 120 Hz
  • Comes with 660 mAh larger battery capacity: 5160 vs 4500 mAh
  • Shows 8% longer battery life (35:34 vs 33:03 hours)
  • Expandable storage via MicroSD card up to 256GB
  • Has a built-in infrared port
Reasons to consider the Oppo Realme 9 Pro Plus
  • 46% better performance in AnTuTu Benchmark (510K versus 350K)
  • Compatible with the latest Wi-Fi 6 wireless networks
  • Newer Bluetooth version (v5.2)
  • Optical image stabilization
  • The phone is 1-year and 6-months newer
  • Super AMOLED display (versus competitor's IPS LCD)

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

Display

Type IPS LCD Super AMOLED
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 120 Hz 90 Hz
Max rated brightness 450 nits 450 nits
Max rated brightness in HDR - 600 nits
HDR support Yes, HDR10 Yes, HDR10
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Screen-to-body ratio 84.6% 84.2%
Display features - - DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 99.7% 95.9%
PWM 2358 Hz 218 Hz
Response time 35.4 ms 9 ms
Contrast - ∞ Infinity
Peak brightness test (auto)
635 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 165.3 mm (6.51 inches) 160.2 mm (6.31 inches)
Width 76.8 mm (3.02 inches) 73.3 mm (2.89 inches)
Thickness 9.4 mm (0.37 inches) 7.99 mm (0.31 inches)
Weight 215 gramm (7.58 oz) 182 gramm (6.42 oz)
Waterproof IP53 No
Rear material Plastic Glass
Frame material Plastic Plastic
Colors Gray, Blue Black, Blue, Green
Fingerprint scanner Yes, in home button Yes, in-display
Screen-to-body ratio

Performance

Tests of Xiaomi Poco X3 NFC and Oppo Realme 9 Pro Plus in the benchmarks
SoC
Chipset Qualcomm Snapdragon 732G MediaTek Dimensity 920
Max. clock 2300 MHz 2500 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55)
- 2 cores at 2.3 GHz: Kryo 470 Gold (Cortex-A76)
- 6 cores at 2 GHz: Cortex-A55
- 2 cores at 2.5 GHz: Cortex-A78
L3 cache 1 MB 2 MB
Lithography process 8 nanometers 6 nanometers
Graphics Adreno 618 Mali-G68 MC4
GPU clock 810 MHz 950 MHz
FLOPS ~435 GFLOPS ~684 GFLOPS
Memory
RAM size 6 GB 6, 8 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 128, 256 GB
Storage type UFS 2.1 UFS 2.2
Memory card MicroSD No
Memory card max. size Up to 256 GB -

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
350890
510839
CPU 106614 137857
GPU 93617 140090
Memory 53750 100175
UX 93783 127716
Total score 350890 510839
3DMark Wild Life Performance
2295
Stability 98% 99%
Graphics test 6 FPS 13 FPS
Graphics score 1096 2295
PCMark 3.0 score 8933 11060
Sources: 3DMark [3], [4]

Software

Operating system Android 10 (Can be upgraded to Android 12) Android 12
ROM MIUI 13 Realme UI 3.0
OS size 20.5 GB 15 GB

Battery

Specifications
Capacity 5160 mAh 4500 mAh
Charge power 33 W 60 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No Yes
Fast charging Yes (55% in 30 min) Yes (77% in 30 min)
Full charging time 1:15 hr 0:49 hr
Battery life tests
Web browsing 13:49 hr 12:29 hr
Watching video 13:01 hr 14:47 hr
Gaming 05:42 hr 05:58 hr
Standby 119 hr 96 hr
General battery life
35:34 hr
Smartphone Battery Life Ranking (79th and 122nd place)

Camera

Specs and camera test of smartphones
Main camera
Matrix 64 megapixels 50 megapixels
Image resolution 9248 x 6920 8700 x 5800
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Optical
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) 960 FPS (720p)
Angle of widest lens 119° 119°
Lenses 4 (64 MP + 13 MP + 2 MP + 2 MP) 3 (50 MP + 8 MP + 4 MP)
Wide (main) lens - 64 MP
- Aperture: f/1.9
- Pixel size: 0.8 micron
- Sensor: 1/1.73", Sony IMX682 (Exmor-RS CMOS)
- Phase autofocus
- 50 MP
- Aperture: f/1.8
- Focal length: 24 mm
- Pixel size: 1 micron
- Sensor: 1/1.56", Sony IMX766 (Exmor-RS CMOS)
- Phase autofocus
- Optical stabilization
Ultra-wide lens - 13 MP
- Aperture: f/2.2
- Pixel size: 1 micron
- 8 MP
- Aperture: f/2.2
- Focal length: 16 mm
- Pixel size: 1.14 micron
- Sensor: 1/2.8", Sony IMX355 (Exmor-RS CMOS)
Macro lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- 4 MP
- Aperture: f/2.4
- Focal length: 21.8 mm
- Pixel size: 1.75 micron
- Sensor: 1/5", GalaxyCore GC02M1 (CMOS)
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
-
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
- RAW support
Samples Photo samples of Xiaomi Poco X3 NFC from DxOMark -
Selfie camera
Megapixels 20 megapixels 16 megapixels
Image resolution 5963 x 3354 4920 x 3264
Aperture f/2.2 f/2.4
Focal length - 27 mm
Pixel size 0.8 microns 1 microns
Sensor type CMOS Exmor-RS CMOS
Sensor size 1/3.4" 1/3.13"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
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 5.1 5.2
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo, QZSS, SBAS GPS, GLONASS, Beidou, Galileo
NFC* Yes Depends on the region
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 Yes No
LTE Cat* 15 -
5G support No Yes

Sound

Speakers Stereo Stereo
Headphone audio jack Yes Yes
FM radio Yes No
Dolby Atmos Yes Yes
Speakers test
Max. loudness
89.2 dB
91.6 dB

Other

Category Mid-range Mid-range
Announced September 2020 February 2022
Release date September 2020 February 2022
SAR (head) 0.558 W/kg -
SAR (body) 0.986 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 display, performance, and connectivity are more important to you, then choose the Oppo Realme 9 Pro Plus. But if the software and battery life are more of a priority – go for the Xiaomi Poco X3 NFC.

Cast your vote

So, which phone would you choose?
9 (47.4%)
10 (52.6%)
Total votes: 19

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