Home/Oppo/Oppo Reno2 Z vs Xiaomi Redmi K20
Oppo Reno2 Z

Oppo Reno2 Z

#2179
Xiaomi Redmi K20

Xiaomi Redmi K20

#2331

Category Breakdown

Oppo Reno2 Z
Xiaomi Redmi K20
Performance
64.862.5
Camera
47.948.9
Display
79.579.5
Battery
43.543.5
Build
77.877.8
Overall
61.661.2

Summary

  • The Oppo Reno2 Z and Xiaomi Redmi K20 both feature premium glass and aluminum builds, with the Reno2 Z being slightly larger and heavier at 195g compared to the K20's 191g.
  • The Reno2 Z has a 6.53-inch AMOLED display, while the K20 offers a slightly smaller 6.39-inch Super AMOLED display with HDR support, providing a marginally better viewing experience.
  • In terms of performance, the Reno2 Z is powered by the Mediatek Helio P90, whereas the K20 utilizes the Qualcomm Snapdragon 730, both capable but with the Snapdragon generally offering better efficiency.
  • Camera-wise, both phones have a 48 MP main sensor, but the K20 includes a telephoto lens for 2x optical zoom, enhancing its versatility.
  • Both devices are equipped with a 4000mAh battery, but the Reno2 Z supports 20W charging compared to the K20's 18W.
  • Software-wise, the Reno2 Z runs ColorOS 11 based on Android 11, while the K20 operates on MIUI 12 based on Android 10, with both offering upgrade paths.

Side-by-side Specification Comparison

Oppo Reno2 Z
Xiaomi Redmi K20

General

Release Date

2019
2019

Announced

2019, August 28
2019

Description

N/A
N/A

Display

Size

6.53"
6.39"

Type

AMOLED
Super AMOLED, HDR

Resolution

1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)

PPI

1080
1080

Refresh Rate

60Hz
60Hz

Peak Brightness

N/A
N/A

HDR Support

Protection

Corning Gorilla Glass 5
Corning Gorilla Glass 5

Performance

Chipset

Mediatek MT6779 Helio P90 (12 nm)
Qualcomm SDM730 Snapdragon 730 (8 nm)

CPU

Octa-core (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55)
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)

GPU

PowerVR GM9446
Adreno 618

Memory

128GB 8GB RAM, 256GB 8GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
No

Camera

Main Camera

48 MP
48 MP

Main Camera Details

48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm2 MP B/W, f/2.4, 1/5.0", 1.75µm2 MP, f/2.4, (depth)
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.4, 53mm (telephoto), 1/4.0", 1.12µm, PDAF, 2x optical zoom13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm

Front Camera

16 MP
20 MP

Front Camera Details

Motorized pop-up 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm

Video Recording

4K@30fps, 1080p@30fps (gyro-EIS)
4K@30fps, 1080p@30/120/240fps, 1080p@960fps

Selfie Video

1080p@30fps
1080p@30fps

OIS

Night Mode

RAW Support

Battery

Capacity

4000 mAh
4000 mAh

Battery Details

Li-Po 4000 mAh, non-removable
Li-Po 4000 mAh, non-removable

Charging Details

20W wired
18W wired

Fast Charging

Wireless Charging

Build & Design

Dimensions

162.4 x 75.8 x 8.7 mm (6.39 x 2.98 x 0.34 in)
156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)

Weight

195 g
191 g

Materials

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame

Water Resistance

N/A
N/A

Colors

Sky White, Luminous Black
Carbon black, Red flame, Glacier blue, Pearl White

Foldable

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA, LTE
HSPA, LTE

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth

5.0, A2DP, LE
5.0, A2DP, LE, aptX HD

NFC

USB

USB Type-C
USB Type-C 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GLONASS, BDS
GPS, GLONASS, GALILEO, BDS

Software

Operating System

Android 9.0 (Pie), upgradable to Android 11, ColorOS 11
Android 9.0 (Pie), upgradable to Android 10, MIUI 12

OS Version

Android 9.0 (Pie), upgradable to Android 11, ColorOS 11
Android 9.0 (Pie), upgradable to Android 10, MIUI 12

Security

Fingerprint

Face Unlock

Sensors

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes