BLU Vivo X vs Xiaomi Mi Mix Alpha

Network
2G network

GSM 850, 900, 1800, 1900

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

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

HSDPA 850, 900, 1900, 2100
4G network

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

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
HSDPA speed

42.2 Mbps

42 Mbps
HSUPA speed

11.5 Mbps

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE-A (7CA) Cat20, 2048 Mbps download, 150 Mbps upload
LTE-A speed

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

-
5G speed

-

2+ Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, plastic

Titanium alloy frame, ceramic back strip
SIM

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

Dual SIM (Nano-SIM, dual stand-by)
Height

160 mm

154.4 mm
Width

76.8 mm

72.3 mm
Thickness

8.2 mm

10.4 mm
Weight

188 g

241 g
Colors

Black

Black

Display
Display type

IPS LCD capacitive touchscreen

Flexible Super AMOLED capacitive touchscreen
Physical size

6.0 inches

7.92 inches
Resolution

720 x 1440 pixels

2088 x 2250 pixels
Pixel density

268 ppi

388 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass 3

Scratch resistant
Multitouch

Yes

Yes
Display features

-

Wraparound display

Main camera
Camera type

Dual

Triple
Main camera

13 MP, 1/3" , 1.12 µm

108 MP, 1/1.33" , 0.8 µm, f/1.7
5 MP, 1/5" , 1.12 µm

12 MP, 1/2.55" , 1.4 µm, f/2.0
20 MP, f/2.2 , 13 mm, 1/2.8" , 1.0 µm
Primary camera resolution

4160 x 3120 pixels

12032 x 9024 pixels
Primary camera video

1080p@30fps

3240p@30fps, 2160p@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

LED flash

dual-LED flash
Camera features

Geo-tagging, HDR, face detection, touch focus

Autofocus, continuous autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 1.0 reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
Beidou

-

Yes
QZSS

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Sensors

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

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity