vivo iQOO U3x
#2548
vivo U20
#2664Category Breakdown
vivo iQOO U3x
vivo U20
Performance
76.176.2
Camera
47.447.4
Display
75.458.9
Battery
33.733.7
Build
0.267.9
Connectivity
77.355.1
Audio
8.98.9
Overall
48.047.2
Summary
- The vivo iQOO U3x features a 6.58-inch IPS LCD display with a 90Hz refresh rate, while the vivo U20 has a slightly smaller 6.53-inch IPS LCD with a 60Hz refresh rate.
- In terms of performance, the U3x is powered by the Snapdragon 480 5G chipset, offering 5G connectivity, whereas the U20 uses the Snapdragon 675, which lacks 5G support.
- The U3x has a dual-camera setup with a 13 MP main sensor, while the U20 boasts a 16 MP main camera along with additional ultrawide and macro lenses.
- Both models have a 5000 mAh battery with 18W charging, but the U3x runs on Android 11 with OriginOS, compared to the U20's Android 9 with Funtouch OS.
- The U3x is slightly lighter at 185.5g, while the U20 weighs 193g and has a glass front versus the U3x's unspecified materials.
Side-by-side Specification Comparison
vivo iQOO U3x
vivo U20
General
Release Date
2021, March 19
2019
Announced
2021, March 19
2019
Description
N/A
For India
Display
Size
6.58"
6.53"
Type
IPS LCD, 90Hz
IPS LCD
Resolution
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
PPI
1080
1080
Refresh Rate
90Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm SM4350 Snapdragon 480 5G (8 nm)
Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU
Octa-core (2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460)
Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU
Adreno 619
Adreno 612
Memory
64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
64GB 4GB RAM, 64GB 6GB RAM, 128GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
No
microSDXC (uses shared SIM slot)
Camera
Main Camera
13 MP, f/2.2, (wide), PDAF2 MP, f/2.4, (depth)
16 MP, f/1.8, (wide), PDAF8 MP, f/2.2, 13mm (ultrawide)2 MP, f/2.4, (macro)
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
8 MP, f/2.0, (wide)
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Front Camera Features
HDR
HDR
Video Recording
4K@30fps, 1080p@30fps
4K@30fps, 1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5000 mAh
5000 mAh
Battery Details
5000 mAh
5000 mAh, non-removable
Charging Details
18W wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
164.2 x 75.4 x 8.4 mm (6.46 x 2.97 x 0.33 in)
162.2 x 76.5 x 8.9 mm (6.39 x 3.01 x 0.35 in)
Weight
185.5 g
193 g
Materials
N/A
Glass front, plastic back, plastic frame
Colors
Gray, Aurora
Racing Black, Blaze Blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
GSM / HSPA / LTE
Network Speed
HSPA, LTE, 5G
HSPA, LTE
5G
✓
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.1, A2DP, LE, aptX HD
5.0, A2DP, LE, aptX
NFC
✗
✗
USB
USB Type-C 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS, GALILEO
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 11, OriginOS 1.0 for iQOO
Android 9.0 (Pie), Funtouch 9.2
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity, compass