vivo X21 UD
#2613
Yota YotaPhone 3
#2909Category Breakdown
vivo X21 UD
Yota YotaPhone 3
Performance
64.862.5
Camera
42.442.4
Display
79.579.5
Battery
43.543.5
Build
79.879.8
Overall
60.459.7
Summary
- The vivo X21 UD features a larger 6.28-inch Super AMOLED display with a resolution of 1080 x 2280 pixels, while the Yota YotaPhone 3 has a 5.5-inch AMOLED display at 1080 x 1920 pixels.
- In terms of performance, the X21 UD is powered by a Snapdragon 660 chipset with 6GB of RAM, offering better multitasking capabilities compared to the YotaPhone 3's Snapdragon 625 and 4GB of RAM.
- Both phones have a 12 MP rear camera, but the X21 UD has a slightly wider aperture at f/1.8, while the YotaPhone 3's rear camera has an f/1.9 aperture.
- The YotaPhone 3 has a marginally larger 3300 mAh battery compared to the X21 UD's 3200 mAh, but both support 18W charging.
- Build quality is notable in the YotaPhone 3 with Gorilla Glass 4 on both front and back, while the X21 UD uses Gorilla Glass 3 on the front and aluminum on the back.
- The X21 UD runs on Android 8.1, offering a more updated software experience compared to the YotaPhone 3's Android 7.1.1.
Side-by-side Specification Comparison
vivo X21 UD
Yota YotaPhone 3
General
Release Date
2018
2017
Announced
2018
2017
Description
N/A
Also known as Yota3
Display
Size
6.28"
5.5"
Type
Super AMOLED
AMOLED
Resolution
1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 4
Performance
Chipset
Qualcomm SDM660 Snapdragon 660 (14 nm)
Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core 2.0 GHz Cortex-A53
GPU
Adreno 512
Adreno 506
Memory
128GB 6GB RAM
64GB 4GB RAM, 128GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
No
Camera
Main Camera
12 MP
12 MP
Main Camera Details
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF5 MP, f/2.4, (depth)
12 MP, f/1.9, AF
Front Camera
12 MP
13 MP
Front Camera Details
12 MP, f/2.0, (wide), 1/2.8", 1.28µm
13 MP, f/2.2
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
3200 mAh
3300 mAh
Battery Details
Li-Ion 3200 mAh, non-removable
Li-Po 3300 mAh, non-removable
Charging Details
18W wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)
153.6 x 75.2 x 7.9 mm (6.05 x 2.96 x 0.31 in)
Weight
156.2 g
170 g
Materials
Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame
Water Resistance
N/A
N/A
Colors
Black, Ruby Red
Black
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
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
4.2, A2DP, LE
NFC
✗
✓
USB
microUSB 2.0, OTG
USB Type-C
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS, GLONASS
GPS, GLONASS
Software
Operating System
Android 8.1 (Oreo), Funtouch 4
Android 7.1.1 (Nougat), Yota 3
OS Version
Android 8.1 (Oreo), Funtouch 4
Android 7.1.1 (Nougat), Yota 3
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, proximity, compass
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No