vivo iQOO U3
#1738
vivo Y31s
#1868Category Breakdown
vivo iQOO U3
vivo Y31s
Performance
68.568.5
Camera
47.145.4
Display
75.575.5
Battery
58.558.5
Build
68.868.8
Overall
63.162.6
Summary
- The vivo iQOO U3 and vivo Y31s both feature a 6.58-inch IPS LCD display with a 90Hz refresh rate, but the U3 supports HDR10, enhancing its visual experience.
- In terms of performance, the U3 is powered by a Mediatek Dimensity 800U chipset, while the Y31s uses a Qualcomm Snapdragon 480, with the U3 offering slightly better CPU performance.
- The U3 has a superior rear camera setup with a 48 MP main sensor compared to the Y31s's 13 MP, although both can record in 4K.
- Both models have a 5000 mAh battery and support 18W charging, ensuring long usage times.
- The U3 runs on Android 10 with IQOO UI 1.5, while the Y31s operates on Android 11 with Funtouch 10.5, offering a more updated software experience.
- Both phones share similar build dimensions and weight, maintaining a consistent design.
Side-by-side Specification Comparison
vivo iQOO U3
vivo Y31s
General
Release Date
2020, December 14
2021, January 12
Announced
2020, December 14
2021, January 12
Description
N/A
N/A
Display
Size
6.58"
6.58"
Type
IPS LCD, 90Hz, HDR10, 460 nits (typ)
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
Mediatek Dimensity 800U (7 nm)
Qualcomm SM4350 Snapdragon 480 5G (8 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460)
GPU
Mali-G57 MC3
Adreno 619
Memory
64GB 6GB 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
48 MP
13 MP
Main Camera Details
48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, 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
White, Gray, Aurora
Red, Gray, Aurora
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / 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, 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 10, IQOO UI 1.5
Android 11, Funtouch 10.5
OS Version
Android 10, IQOO UI 1.5
Android 11, Funtouch 10.5
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes