Oppo K3
#1870
vivo X20 Plus UD
#2686Category Breakdown
Oppo K3
vivo X20 Plus UD
Performance
76.679.5
Camera
64.819.1
Display
80.282.8
Battery
27.127.2
Build
73.077.8
Connectivity
58.856.6
Audio
8.98.9
Overall
54.046.9
Summary
- The Oppo K3 features a glass front with a plastic back and frame, while the vivo X20 Plus UD has a more premium aluminum back and frame, contributing to its lighter weight.
- Both devices have AMOLED displays, with the K3 offering a slightly larger 6.5-inch screen compared to the 6.43-inch display of the X20 Plus UD, although the latter has a higher pixel density.
- In terms of performance, the K3 is powered by the Snapdragon 710 chipset, which generally provides better performance than the Snapdragon 660 in the X20 Plus UD.
- The K3's rear camera setup includes a 16 MP main sensor, while the X20 Plus UD has a 12 MP primary camera, although both lack optical image stabilization.
- The K3 has a 3765 mAh battery with 20W charging, whereas the X20 Plus UD offers a larger 3900 mAh battery with faster 22.5W charging.
- Finally, the K3 runs on Android 9.0 with ColorOS 6, while the X20 Plus UD operates on an older Android 7.1.1 with Funtouch 3.2.
Side-by-side Specification Comparison
Oppo K3
vivo X20 Plus UD
General
Release Date
2019
2018
Announced
2019
2018
Description
N/A
N/A
Display
Size
6.5"
6.43"
Type
AMOLED
Super AMOLED
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~394 ppi density)
1080 x 2160 pixels, 18:9 ratio (~376 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
N/A
Performance
Chipset
Qualcomm SDM710 Snapdragon 710 (10 nm)
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
Adreno 616
Adreno 512
Memory
64GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
128GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
No
microSDXC (uses shared SIM slot)
Camera
Main Camera
16 MP, f/1.7, 1/2.5", 1.12µm, PDAF2 MP, f/2.4, (depth)
12 MP, f/1.8, AF5 MP, f/2.4, (depth)
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
Motorized pop-up 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Front Camera Features
HDR
N/A
Video Recording
4K@30fps, 1080p@30/120fps, gyro-EIS
1080p@30fps
Selfie Video
1080p@30fps
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3765 mAh
3900 mAh
Battery Details
Li-Po 3765 mAh, non-removable
Li-Ion 3900 mAh, non-removable
Charging Details
20W wired
22.5W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
161.2 x 76 x 9.4 mm (6.35 x 2.99 x 0.37 in)
155.3 x 80.1 x 7.5 mm (6.11 x 3.15 x 0.30 in)
Weight
191 g
181.5 g
Materials
Glass front (Gorilla Glass 5), plastic back, plastic frame
Glass front, aluminum back, aluminum frame
Colors
Black, Nebula Purple, Morning White
Matte Black, Gold, Rose gold
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / CDMA / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 а/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, aptX HD
5.0, A2DP, LE
NFC
✗
✗
USB
USB Type-C 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 9.0 (Pie), ColorOS 6
Android 7.1.1 (Nougat), Funtouch 3.2
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, proximity, compass