Oppo Find X
#2009
Xiaomi Redmi K20
#2331Category Breakdown
Oppo Find X
Xiaomi Redmi K20
Performance
64.862.5
Camera
50.048.9
Display
79.579.5
Battery
43.543.5
Build
77.877.8
Overall
62.161.2
Summary
- The Oppo Find X and Xiaomi Redmi K20 both feature premium glass and aluminum builds, but the Find X is slightly thicker and heavier.
- The Find X has a 6.42-inch AMOLED display, while the K20 offers a 6.39-inch Super AMOLED display with HDR support, providing a marginally better viewing experience.
- In terms of performance, the Find X is powered by the Snapdragon 845, which generally outperforms the Snapdragon 730 in the K20.
- The camera setup on the K20 is superior with a 48 MP main sensor compared to the Find X's 16 MP, although the Find X includes optical image stabilization.
- The K20 also has a larger 4000 mAh battery compared to the Find X's 3730 mAh, offering potentially longer usage.
- Both devices run Android 10, but the Find X uses ColorOS while the K20 operates on MIUI, which may affect user experience and interface preferences.
Side-by-side Specification Comparison
Oppo Find X
Xiaomi Redmi K20
General
Release Date
2018
2019
Announced
2018
2019
Description
Versions: Find X (VOOC Flash Charge); Find X Super Flash Edition (SuperVOOC Flash Charge)Regular model with 3730 mAh batterySuper Flash model with 3400 mAh battery
N/A
Display
Size
6.42"
6.39"
Type
AMOLED
Super AMOLED, HDR
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~401 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
Qualcomm SDM845 Snapdragon 845 (10 nm)
Qualcomm SDM730 Snapdragon 730 (8 nm)
CPU
Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU
Adreno 630
Adreno 618
Memory
128GB 8GB RAM, 256GB 8GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
16 MP
48 MP
Main Camera Details
Motorized pop-up 16 MP, f/2.0, 23mm (wide), 1/2.6", 1.22µm, PDAF, OISMotorized pop-up 20 MP, f/2.0, (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
25 MP
20 MP
Front Camera Details
Motorized pop-up 25 MP, f/2.0, 13mm (ultrawide)Motorized pop-up SL 3D, (depth/biometrics sensor)
Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Video Recording
4K@30fps, 1080p@240fps, 720p@480fps
4K@30fps, 1080p@30/120/240fps, 1080p@960fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✓
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
3730 mAh
4000 mAh
Battery Details
Li-Ion 3730 mAh (standard model)Li-Ion 3400 mAh (Super Flash model)
Li-Po 4000 mAh, non-removable
Charging Details
20W wired (Standard model)50W wired, 100% in 35 min (Super Flash Edition)
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
156.7 x 74.2 x 9.6 mm (6.17 x 2.92 x 0.38 in)
156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)
Weight
186 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
Bordeaux Red, Glacier Blue
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 42.2/5.76 Mbps, LTE (4CA) Cat16 1024/150 Mbps
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 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS, GALILEO, BDS
Software
Operating System
Android 8.1 (Oreo), upgradable to Android 10, ColorOS 7.0
Android 9.0 (Pie), upgradable to Android 10, MIUI 12
OS Version
Android 8.1 (Oreo), upgradable to Android 10, ColorOS 7.0
Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Security
Fingerprint
✗
✓
Face Unlock
✓
✗
Sensors
Face ID, accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
Yes