BLU Pure XR
#4280
vivo X21i
#3726Category Breakdown
BLU Pure XR
vivo X21i
Performance
66.972.9
Camera
19.119.1
Display
80.282.8
Battery
24.226.4
Build
0.20.2
Connectivity
47.556.0
Audio
8.98.9
Overall
34.939.0
Summary
- The BLU Pure XR features a 5.5-inch AMOLED display with a resolution of 1080 x 1920 pixels, while the vivo X21i has a larger 6.28-inch Super AMOLED display with a higher resolution of 1080 x 2280 pixels.
- In terms of performance, the Pure XR is powered by the Mediatek MT6755 Helio P10 chipset, whereas the X21i utilizes the more advanced Mediatek MT6771 Helio P60, offering better processing capabilities.
- The camera setup on the Pure XR includes a 16 MP rear camera and an 8 MP front camera, while the X21i has a dual rear camera system with a 12 MP main sensor and a 5 MP depth sensor, along with a 24 MP front camera for enhanced selfies.
- The battery capacity of the Pure XR is 3000 mAh, compared to the X21i's 3425 mAh, which also supports faster 18W charging.
- Both devices run different versions of Android, with the Pure XR on Android 6.0 and the X21i on Android 8.1, offering a more updated software experience on the latter.
Side-by-side Specification Comparison
BLU Pure XR
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
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Mediatek MT6755 Helio P10 (28 nm)
Mediatek MT6771 Helio P60 (12 nm)
CPU
Octa-core (4x1.9 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
Mali-T860MP2
Mali-G72 MP3
Memory
64GB 4GB RAM
64GB 6GB RAM, 128GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
16 MP, f/1.8, PDAF
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF5 MP, f/2.4, (depth)
Main Camera Features
Laser AF, LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
8 MP, 1/4.0"
24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3000 mAh
3425 mAh
Battery Details
Li-Po 3000 mAh, non-removable
Li-Ion 3425 mAh, non-removable
Charging Details
N/A
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
154.3 x 74.9 x 7 mm (6.07 x 2.95 x 0.28 in)
154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)
Weight
147.2 g
159 g
Materials
N/A
N/A
Colors
Gray, Gold
Black, Aurora White, Ruby Red, Night Purple
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Micro-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / 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, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
4.0, A2DP
5.0, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 6.0 (Marshmallow)
Android 8.1 (Oreo), Funtouch 4
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (front-mounted), accelerometer, gyro, proximity
Fingerprint (rear-mounted), accelerometer, proximity, compass