Category Breakdown
BLU Vivo XL
vivo X21i
Performance
60.362.5
Camera
42.442.4
Display
79.579.5
Battery
43.543.5
Build
70.870.8
Overall
58.258.8
Summary
- The BLU Vivo XL features a 5.5-inch AMOLED display with a resolution of 720 x 1280 pixels, while the vivo X21i has a larger 6.28-inch Super AMOLED display with a higher resolution of 1080 x 2280 pixels, resulting in better pixel density.
- In terms of performance, the Vivo XL is powered by a Mediatek MT6753 chipset with 2GB of RAM, compared to the more advanced Mediatek MT6771 Helio P60 in the X21i, which has options for 4GB or 6GB of RAM, offering superior multitasking capabilities.
- The camera setup on the X21i includes a dual rear camera system with a 12 MP main sensor and a 24 MP front camera, significantly enhancing photography compared to the Vivo XL's single 13 MP rear and 5 MP front cameras.
- Battery capacity is also higher in the X21i at 3425 mAh, with faster 18W charging, while the Vivo XL has a 3150 mAh battery without fast charging.
- Both devices run different versions of Android, with the Vivo XL on Android 5.1 and the X21i on Android 8.1, providing a more updated software experience on the latter.
Side-by-side Specification Comparison
BLU Vivo XL
vivo X21i
General
Release Date
2016
2018
Announced
2016
2018
Description
N/A
N/A
Display
Size
5.5"
6.28"
Type
AMOLED
Super AMOLED
Resolution
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Mediatek MT6753 (28 nm)
Mediatek MT6771 Helio P60 (12 nm)
CPU
Octa-core 1.3 GHz Cortex-A53
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
Mali-T720MP3
Mali-G72 MP3
Memory
16GB 2GB RAM
64GB 6GB RAM, 128GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (uses shared SIM slot)
Camera
Main Camera
13 MP
12 MP
Main Camera Details
13 MP, PDAF
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF5 MP, f/2.4, (depth)
Front Camera
5 MP
24 MP
Front Camera Details
5 MP
24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
3150 mAh
3425 mAh
Battery Details
Li-Ion 3150 mAh, removable
Li-Ion 3425 mAh, non-removable
Charging Details
N/A
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
155.3 x 76.7 x 7.5 mm (6.11 x 3.02 x 0.30 in)
154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)
Weight
154 g
159 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Gold, Silver, Blue, Pink
Black, Aurora White, Ruby Red, Night Purple
Foldable
✗
✗
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / LTE
Network Speed
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
4.0, A2DP
5.0, A2DP, LE
NFC
✗
✗
USB
USB Type-C 2.0
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS
Software
Operating System
Android 5.1 (Lollipop), upgradable to 6.0 (Marshmallow)
Android 8.1 (Oreo), Funtouch 4
OS Version
Android 5.1 (Lollipop), upgradable to 6.0 (Marshmallow)
Android 8.1 (Oreo), Funtouch 4
Security
Fingerprint
✗
✓
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

