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Xiaomi Mi 5X vs Oppo Realme X

Here we compared two mid-range smartphones: the 5.5-inch Xiaomi Mi 5X (with Qualcomm Snapdragon 625) that was released on July 26, 2017, against the Oppo Realme X, which is powered by Qualcomm Snapdragon 710 and came out 22 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 Mi 5X
  • The rear camera has a 2x optical zoom
  • Delivers 24% higher maximum brightness (548 against 441 nits)
  • Weighs 26 grams less
  • Has a built-in infrared port
Reasons to consider the Oppo Realme X
  • Has a 1.03 inches larger screen size
  • Comes with 685 mAh larger battery capacity: 3765 vs 3080 mAh
  • Thinner bezels – 14.7% more screen real estate
  • Newer Bluetooth version (v5)
  • Supports 20W fast charging
  • Slow-motion recording at 960FPS
  • Uses a faster type of memory: LPDDR4X 1866 MHz
  • More energy-efficient CPU – Snapdragon 710
  • More recent OS version: Android 10 versus 9
  • AMOLED display (versus competitor's IPS LCD)
  • The phone is 1-year and 10-months newer

Review

Display
Screen quality, color accuracy, brightness
56
Performance
CPU/GPU performance in apps and games
26
Battery
Battery life, charging type and speed
57
Camera
Photo and video recording quality
46
Connectivity
Networks, ports, data transmission
65
NanoReview score
Final comparison evaluation
47

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 AMOLED
Size 5.5 inches 6.53 inches
Resolution 1080 x 1920 pixels 1080 x 2340 pixels
Aspect ratio 16:9 19.5:9
PPI 401 ppi 395 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 71.02% 85.72%
Display features - - Always-On Display
Max. Brightness
Mi 5X +24%
548 nits
441 nits

Design and build

Height 155.4 mm (6.12 inches) 161.2 mm (6.35 inches)
Width 75.8 mm (2.98 inches) 76 mm (2.99 inches)
Thickness 7.3 mm (0.29 inches) 8.6 mm (0.34 inches)
Weight 165 gramm (5.82 oz) 191 gramm (6.74 oz)
Waterproof No No
Rear material Metal Plastic
Frame material Metal Plastic
Colors Black, Gold, Red, Pink White, Blue
Fingerprint scanner Yes, rear Yes, in-display
Screen-to-body ratio
71.02%
Realme X +21%
85.72%

Performance

Tests of Xiaomi Mi 5X and Oppo Realme X in the benchmarks
SoC
Chipset Qualcomm Snapdragon 625 Qualcomm Snapdragon 710
Max. clock 2000 MHz 2200 MHz
CPU cores 8 (8) 8 (2 + 6)
Architecture - 8 cores at 2 GHz: Cortex-A53 - 6 cores at 1.7 GHz: Kryo 360 Silver (Cortex-A55)
- 2 cores at 2.2 GHz: Kryo 360 Gold (Cortex-A75)
Lithography process 14 nanometers 10 nanometers
Graphics Adreno 506 Adreno 616
GPU clock 650 MHz 600 MHz
FLOPS ~124 GFLOPS ~384 GFLOPS
Memory
RAM size 4 GB 4, 6, 8 GB
Memory type LPDDR3 LPDDR4X
Memory clock 933 MHz 1866 MHz
Channels 1 2
Storage
Storage size 32, 64 GB 64, 128 GB
Storage type eMMC 5.1 UFS 2.1
Memory card MicroSD MicroSD
Memory card max. size Up to 128 GB Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
n/a
383
Geekbench 5 (Multi-Core)
n/a
1526
AnTuTu Benchmark 8
n/a
212109

Software

Operating system Android 7.1.2 (Can be upgraded to Android 9.0) Android 9.0 (Can be upgraded to Android 10)
ROM MIUI 11 ColorOS 7

Battery

Specifications
Capacity 3080 mAh 3765 mAh
Charge power 10 W 20 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging No Yes, VOOC 3.0 (55% in 30 min)
Full charging time 2:00 hr 1:20 hr

Battery life tests

Web browsing (Wi-Fi)
Mi 5X +8%
13:20 hr
12:27 hr
Watching videos (Player)
11:00 hr
Realme X +42%
15:58 hr
Talk (3G)
20:11 hr
Realme X +41%
28:33 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 12 megapixels 48 megapixels
Image resolution 4000 x 3000 8000 x 6000
Zoom Optical, 2x Digital
Flash Dual LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS Up to 30FPS
1080p video recording Up to 30FPS Up to 120FPS
Slow motion 120 FPS (720p) 960 FPS (720p)
Lenses 2 (12 MP + 12 MP) 2 (48 MP + 5 MP)
Wide (main) lens - 12 MP
- Aperture: f/2.2
- Focal length: 26 mm
- Pixel size: 1.25 micron
- Sensor: 1/2.9", OmniVision OV12A10 (CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/1.7
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX586 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
Telephoto lens - 12 MP
- Aperture: f/2.6
- Focal length: 50 mm
- Pixel size: 1 micron
- Sensor: 1/2.4", Omnivision OV13380
-
Depth lens - - 5 MP
- Aperture: f/2.4
Camera features - Bokeh mode - Bokeh mode
- Pro mode
Selfie camera
Megapixels 5 megapixels 16 megapixels
Image resolution 2592 x 1944 4608 x 3456
Aperture f/2 f/2.0
Focal length 31.64 mm 25 mm
Pixel size - 1 microns
Sensor type CMOS BSI CMOS
Sensor size 1/5" 1/3"
Video resolution 1080p (Full HD) при 30 FPS 1080p (Full HD) при 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/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
Bluetooth version 4.2 5
Bluetooth features HID, 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 GPS, GLONASS, Beidou
NFC* No No
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* 6 15
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes No
Dolby Atmos No Yes
Speakers test
Max. loudness
Mi 5X +13%
90 dB
80 dB

Other

Category Mid-range Mid-range
Announced July 2017 May 2019
Release date September 2017 June 2019
Launch price ~ 212 USD ~ 211 USD
SAR (head) - 0.92 W/kg
SAR (body) - 1.58 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

After analyzing all the data, we think that the Oppo Realme X is definitely a better buy.

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