Alcatel Idol 4s vs Xiaomi Black Shark Helo

Alcatel Idol 4s

Xiaomi Black Shark Helo

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; CDMA2000 1xEV-DO
4G network

LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700); LTE band 2(1900), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700)

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

LTE, Cat18, 1.2 Gbps download, 221 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Hardware
CPU

-

Octa-core
CPU

Quad-core 1.8 GHz ARM Cortex-A72

Quad-core 2.8 GHz Kryo 385 Gold
CPU(second)

quad-core 1.4 GHz ARM Cortex-A53

quad-core 1.8 GHz Kryo 385 Silver
Chipset

Qualcomm MSM8976 Snapdragon 652

Qualcomm SDM845 Snapdragon 845
GPU

Adreno 510

Adreno 630
Memory RAM

3 GB

6, 8, 10 GB
Internal storage

32 GB

128, 256 GB
Memory card

microSD

-
Memory card max

200 GB

-

Main camera
Camera type

-

Dual
Main camera

16 MP, f/2.0

12 MP, f/1.8 , 1.25 µm
20 MP, f/1.8 , 1.0 µm
Primary camera resolution

-

4000 x 3000 pixels
Primary camera video

2160p@30fps

2160p@30fps, 1080p@30fps, 720p@120fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

dual-LED (dual tone) flash

dual-LED flash
Primary camera phase detection autofocus

-

dual pixel phase detection autofocus
Camera features

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

Autofocus, continuous shooting, digital zoom, optical 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, RAW

Connectivity
WLAN

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

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 1.0 reversible connector
USB On-The-Go

-

Yes
USB host

Yes

-
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
Beidou

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Java

No

-
Sensors

Accelerometer, compass, gyro, proximity

Accelerometer, compass, gyroscope, fingerprint, light, proximity