BLU Life Max vs vivo X21i

BLU Life Max

vivo X21i

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 2(1900), 4(1700/2100), 7(2600), 12(700), 17(700)

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

-
HSUPA speed

11.5 Mbps

-
HSPA speed

-

HSPA
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

5.5 inches

6.28 inches
Resolution

720 x 1280 pixels

1080 x 2280 pixels
Pixel density

267 ppi

402 ppi
Display colors

16777216

16777216
Multitouch

Yes

Yes

Main camera
Camera type

-

Dual
Main camera

8 MP

12 MP, f/1.8 , 1/2.5" , 1.4 µm
5 MP, f/2.4
Primary camera resolution

-

4032 x 3024 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

autofocus

dual pixel phase detection autofocus
Primary camera flash

LED flash

LED flash
Camera features

Geo-tagging, HDR, face detection, touch focus

Geo-tagging, HDR, face detection, panorama, touch focus

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

microUSB 2.0
USB On-The-Go

-

Yes
USB host

Yes

-
Bluetooth

v4.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging MMS

MMS

MMS
Messaging Email

Email

Email
Messaging IM

IM

-
Messaging Push Email

Push Email

Push Email
Java

No

-
Sensors

Fingerprint (rear-mounted), accelerometer, proximity

Fingerprint (rear-mounted), accelerometer, compass, proximity