Home > Smartphone comparison > Redmi Note 4X vs Reno Z – which one to choose?

Xiaomi Redmi Note 4X vs Oppo Reno Z

Here we compared two mid-range smartphones: the 5.5-inch Xiaomi Redmi Note 4X (with Qualcomm Snapdragon 625) that was released on February 13, 2017, against the Oppo Reno Z, which is powered by Mediatek Helio P90 and came out 28 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 Redmi Note 4X
  • Has a built-in infrared port
Reasons to consider the Oppo Reno Z
  • Has a 0.9 inch larger screen size
  • Modern USB Type-C port
  • Compatible with Wi-Fi 5 wireless networks
  • Thinner bezels – 12.4% more screen real estate
  • Newer Bluetooth version (v5)
  • Supports 20W fast charging
  • Optical image stabilization
  • More recent OS version: Android 10 versus 6
  • Uses a faster type of memory: LPDDR4X 1866 MHz
  • Slow-motion recording at 480FPS
  • Ability to record video in 4K resolution
  • Delivers 10% higher maximum brightness (504 against 458 nits)

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
Phone:
vs

Display

Type IPS LCD AMOLED
Size 5.5 inches 6.4 inches
Resolution 1080 x 1920 pixels 1080 x 2340 pixels
Aspect ratio 16:9 19.5:9
PPI 401 ppi 403 ppi
Refresh rate 60 Hz 60 Hz
HDR support No Yes, HDR10
Screen protection Tempered glass Tempered glass
Screen-to-body ratio 72.9% 85.3%
Display features - - DCI-P3
- Always-On Display
Max. Brightness
458 nits
Reno Z +10%
504 nits

Design and build

Height 151 mm (5.94 inches) 157.3 mm (6.19 inches)
Width 76 mm (2.99 inches) 74.9 mm (2.95 inches)
Thickness 8.4 mm (0.33 inches) 9.1 mm (0.36 inches)
Weight 175 gramm (6.17 oz) 186 gramm (6.56 oz)
Waterproof No No
Rear material Metal Glass
Frame material Metal Plastic
Colors Black, Gold, Gray, Green, Pink Blue
Fingerprint scanner Yes, rear Yes, in-display
Screen-to-body ratio
Reno Z +17%
85.3%

Performance

Tests of Xiaomi Redmi Note 4X and Oppo Reno Z in the benchmarks
SoC
Chipset Qualcomm Snapdragon 625 Mediatek Helio P90
Max. clock 2000 MHz 2200 MHz
CPU cores 8 (8) 8 (2 + 6)
Architecture - 8 cores at 2 GHz: Cortex-A53 - 6 cores at 2 GHz: Cortex A55
- 2 cores at 2.2 GHz: Cortex A75
Lithography process 14 nanometers 12 nanometers
Graphics Adreno 506 PowerVR GM9446
GPU clock 700 MHz 970 MHz
FLOPS ~124 GFLOPS ~124 GFLOPS
Memory
RAM size 3, 4 GB 6 GB
Memory type LPDDR3 LPDDR4X
Memory clock 800 MHz 1866 MHz
Channels 2 2
Storage
Storage size 32, 64 GB 128 GB
Storage type eMMC 5.0 UFS 2.1
Memory card MicroSD MicroSD
Memory card max. size Up to 128 GB Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 7
n/a
AnTuTu Benchmark 8
200384

Software

Operating system Android 6.0 Android 9.0 (Can be upgraded to Android 10)
ROM MIUI 10 ColorOS 7

Battery

Specifications
Capacity 4100 mAh 3950 mAh
Charge power - 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 (60% in 30 min)
Full charging time 2:40 hr 1:15 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 13 megapixels 48 megapixels
Image resolution 4128 x 3096 8000 x 6000
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Optical
8K video recording No No
4K video recording No Up to 30FPS
1080p video recording Up to 30FPS Up to 120FPS
Slow motion 120 FPS (720p) 480 FPS (720p)
Lenses 1 (13 MP) 2 (48 MP + 5 MP)
Wide (main) lens - 13 MP
- Aperture: f/2.0
- Focal length: 26.33 mm
- Pixel size: 1.12 micron
- Sensor: 1/2.9", Omnivision OV13855
- Phase autofocus
- 48 MP
- Aperture: f/1.7
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.0", Sony IMX586 (Exmor-RS CMOS)
- Phase autofocus
- Optical stabilization
Depth lens - - 5 MP
- Aperture: f/2.4
Camera features - - Bokeh mode
- Pro mode
Selfie camera
Megapixels 5 megapixels 32 megapixels
Image resolution 2592 x 1944 6528 x 4896
Aperture f/2.0 f/2
Focal length 31.63 mm -
Pixel size - 0.8 microns
Sensor type CMOS CMOS
Video resolution 720p при 30 FPS 1080p (Full HD) при 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 4 (802.11 b/g/n) 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 4.1 5
Bluetooth features LE, HID, A2DP LE, A2DP
USB type Micro USB 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 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 Yes No
LTE Cat* 6 13
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes No
Dolby Atmos No No

Other

Category Mid-range Mid-range
Announced February 2017 May 2019
Release date April 2017 July 2019
Launch price ~ 162 USD ~ 325 USD
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 Reno Z is definitely a better buy.

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