vivo iQOO U1x
#3236
vivo Y21
#3180Category Breakdown
vivo iQOO U1x
vivo Y21
Performance
72.972.1
Camera
19.119.1
Display
56.556.5
Battery
33.733.7
Build
67.965.8
Connectivity
57.055.3
Audio
8.98.9
Overall
42.743.2
Summary
- The vivo iQOO U1x and vivo Y21 both feature a 6.51-inch IPS LCD display with a resolution of 720 x 1600 pixels, offering similar visual experiences.
- In terms of performance, the U1x is powered by the Qualcomm Snapdragon 662 chipset, while the Y21 utilizes the MediaTek Helio P35, with the U1x having a slightly higher CPU clock speed.
- Both phones have a 13 MP main rear camera and an 8 MP front camera, delivering comparable photography capabilities.
- Battery capacity is identical at 5000 mAh, with both supporting 18W charging.
- The U1x runs on Android 10 with IQOO UI, whereas the Y21 operates on Android 11 with Funtouch 11.1, providing a more updated software experience.
- Build quality is similar, with both featuring glass fronts and plastic backs, but the Y21 is slightly lighter at 182g compared to the U1x's 192.3g.
Side-by-side Specification Comparison
vivo iQOO U1x
vivo Y21
General
Release Date
2020, October 21
2021, August 20
Announced
2020, October 21
2021, August 20
Description
N/A
N/A
Display
Size
6.51"
6.51"
Type
IPS LCD
IPS LCD
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm SM6115 Snapdragon 662 (11 nm)
Mediatek MT6765 Helio P35 (12 nm)
CPU
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
Adreno 610
PowerVR GE8320
Memory
64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM
64GB 4GB RAM, 128GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
No
microSDXC (dedicated slot)
Camera
Main Camera
13 MP, f/2.2, (wide), PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
13 MP, f/2.2, (wide), PDAF2 MP, f/2.4, (macro)
Main Camera Features
LED flash, HDR
LED flash
Front Camera
8 MP, f/1.8, (wide)
8 MP, f/2.0, (wide)
Front Camera Features
N/A
N/A
Video Recording
1080p@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
Charging Details
18W wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in)
164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in)
Weight
192.3 g
182 g
Materials
Glass front, plastic back, plastic frame
Glass front, plastic frame, plastic back
Colors
Black, Blue
Diamond Glow, Midnight Blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
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, aptX HD
5.0, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, BDS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 10, IQOO UI 1.0
Android 11, Funtouch 11.1
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass