Category Breakdown
vivo iQOO U3x
vivo Y31s
Performance
68.568.5
Camera
45.445.4
Display
75.575.5
Battery
58.558.5
Build
68.868.8
Overall
62.662.6
Summary
- The vivo iQOO U3x and vivo Y31s share similar specifications in terms of build quality, display, performance, camera, battery, and software experience.
- Both devices feature a 6.58-inch IPS LCD display with a 90Hz refresh rate and a resolution of 1080 x 2408 pixels.
- They are powered by the same Snapdragon 480 chipset, offering comparable performance and RAM options.
- The camera setups are identical, with a dual rear camera system of 13 MP and 2 MP, and an 8 MP front camera, capable of 4K video recording.
- Both smartphones house a 5000 mAh battery with 18W charging.
- However, the iQOO U3x runs on OriginOS 1.0, while the Y31s utilizes Funtouch 10.5, providing different software experiences.
Side-by-side Specification Comparison
vivo iQOO U3x
vivo Y31s
General
Release Date
2021, March 19
2021, January 12
Announced
2021, March 19
2021, January 12
Description
N/A
N/A
Display
Size
6.58"
6.58"
Type
IPS LCD, 90Hz
IPS LCD, 90Hz
Resolution
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
1080 x 2408 pixels, 20:9 ratio (~400 ppi density)
PPI
1080
1080
Refresh Rate
90Hz
90Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm SM4350 Snapdragon 480 5G (8 nm)
Qualcomm SM4350 Snapdragon 480 5G (8 nm)
CPU
Octa-core (2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460)
Octa-core (2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460)
GPU
Adreno 619
Adreno 619
Memory
64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, f/2.2, (wide), PDAF2 MP, f/2.4, (depth)
13 MP, f/2.2, (wide), PDAF2 MP, f/2.4, (depth)
Front Camera
8 MP
8 MP
Front Camera Details
8 MP, f/2.0, (wide)
8 MP, f/2.0, (wide)
Video Recording
4K@30fps, 1080p@30fps
4K@30fps, 1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
5000 mAh
5000 mAh
Battery Details
5000 mAh
5000 mAh
Charging Details
18W wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
164.2 x 75.4 x 8.4 mm (6.46 x 2.97 x 0.33 in)
164.2 x 75.4 x 8.4 mm (6.46 x 2.97 x 0.33 in)
Weight
185.5 g
185.5 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Gray, Aurora
Red, Gray, Aurora
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Network Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
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/6, dual-band, Wi-Fi Direct
Bluetooth
5.1, A2DP, LE, aptX HD
5.1, 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, GALILEO
GPS, GLONASS, BDS, GALILEO
Software
Operating System
Android 11, OriginOS 1.0 for iQOO
Android 11, Funtouch 10.5
OS Version
Android 11, OriginOS 1.0 for iQOO
Android 11, Funtouch 10.5
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

