Realme C15 Qualcomm Edition vs Xiaomi Black Shark Helo

Realme C15 Qualcomm Edition

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, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 5, 8, 38, 40, 41

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

11.5 Mbps

-
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A, Cat4, 150 Mbps download, 51 Mbps upload

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

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD

AMOLED capacitive touchscreen
Physical size

6.5 inches

6.01 inches
Resolution

720 x 1600 pixels

1080 x 2160 pixels
Pixel density

270 ppi

402 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass

Scratch resistant
Multitouch

-

Yes
Display features

480 nits (typ), 600 nits (peak)

-

Main camera
Camera type

Quad

Dual
Main camera

(wide) , 13 MP, f/2.2

12 MP, f/1.8 , 1.25 µm
(ultrawide) , 8 MP, f/2.3 , 119˚ , 1/4.0" , 1.12 µm

20 MP, f/1.8 , 1.0 µm
mono , 2 MP, f/2.4 , 1/5.0" , 1.75 µm
retro , 2 MP, f/2.4 , 1/5.0" , 1.75 µm
Primary camera resolution

4160 x 3120 pixels

4000 x 3000 pixels
Primary camera video

1080p@30fps

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

LED flash

dual-LED flash
Primary camera phase detection autofocus

-

dual pixel phase detection autofocus
Camera features

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

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 802.11b, 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
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

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

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
NFC

No

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

-

Yes
BDS

Yes

-