BLU Grand M3 vs BLU Vivo X

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700), 28(700)

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 28(700)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

11.5 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

-
LTE-A speed

-

LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy

Aluminium alloy, plastic
SIM

Dual SIM (Micro-SIM, dual stand-by)

Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Height

149.1 mm

160 mm
Width

70.5 mm

76.8 mm
Thickness

9.8 mm

8.2 mm
Weight

154 g

188 g
Colors

Black, Gold

Black

Main camera
Camera type

-

Dual
Main camera

8 MP

13 MP, 1/3" , 1.12 µm
5 MP, 1/5" , 1.12 µm
Primary camera resolution

3264 x 2448 pixels

4160 x 3120 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Geo-tagging, HDR, face detection, touch focus

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Email

-

Push Email
Sensors

Accelerometer, fingerprint, light, proximity

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