BLU Vivo XI vs Xiaomi Redmi K30

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, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 28(700), 66(1700/2100)

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

42 Mbps
HSUPA speed

11 Mbps

5.76 Mbps
LTE speed

LTE, Cat6, 301 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, plastic

Aluminium alloy, glass
SIM

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

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

149 mm

165.3 mm
Width

72.9 mm

76.6 mm
Thickness

7.9 mm

8.8 mm
Weight

187 g

208 g
Colors

Black, Silver

Blue, Purple, Red

Display
Display type

IPS capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

5.9 inches

6.67 inches
Resolution

720 x 1520 pixels

1080 x 2400 pixels
Pixel density

285 ppi

395 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 5, Oleophobic coating
Multitouch

Yes

Yes
Display features

-

HDR10, 120Hz sampling rate

Main camera
Camera type

Dual

Quad
Main camera

16 MP, f/2.0 , 1/3" , 1.10 µm

64 MP, f/1.9 , 1/1.7" , 0.8 µm, 26 mm
5 MP, 1/5" , 1.12 µm

8 MP, 1/4" , 1.12 µm, f/2.2 , 13 mm
2 MP, f/2.4 , 1/5" , 1.75 µm
2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

4608 x 3456 pixels

9248 x 6944 pixels
Primary camera video

1080p@30fps

2160p@30fps, 1080p@30/120fps, 720p@960fps
Primary camera flash

LED flash

dual LED flash
Primary camera phase detection autofocus

phase detection autofocus

-
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

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

Selfie camera
Selfie camera type

-

Dual
Selfie camera

16 MP, f/2.0 , 1/3" , 1.10 µm

20 MP, f/2.2 , 1/3.4" , 0.8 µm, 27 mm
2 MP, f/2.4 , 1/5" , 1.75 µm
Selfie camera resolution

4608 x 3456 pixels

5963 x 3354 pixels
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz

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

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Infrared

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
Beidou

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, light, proximity

Accelerometer, barometer, compass, geomagnetic, gravity, gyroscope, pedometer, proximity, light, side-mounted fingerprint sensor