DEXP B255 vs Xiaomi Black Shark 3

DEXP B255

Xiaomi Black Shark 3

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

-

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
5G network

-

5G band 41(2500), 78(3500), 79(4700); SA/NSA
HSDPA speed

21 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, plastic

Glass front, aluminum back, aluminum frame
SIM

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

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

147.8 mm

168.7 mm
Width

71.5 mm

77.3 mm
Thickness

8.8 mm

10.4 mm
Weight

151 g

222 g
Colors

Grey

Black, Gray, Silver

Display
Display type

IPS

AMOLED capacitive touchscreen
Physical size

5.5 inches

6.67 inches
Resolution

640 x 1280 pixels

1080 x 2400 pixels
Pixel density

260 ppi

395 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant
Multitouch

Yes

Yes
Display features

-

Always-on display, 100% DCI-P3, HDR10+, 270Hz touch-sensing, 500 nits typ. brightness

Main camera
Camera type

Dual

Triple
Main camera

8 MP

64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm
0.3 MP

13 MP, f/2.3
5 MP, f/2.2
Primary camera resolution

3264 x 2448 pixels

-
Primary camera video

1080p@30fps

2160p@30/60fps, 1080p@30/60/240fps, 720p@1920fps
Primary camera flash

LED

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

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, 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, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 1.0 reversible connector
Bluetooth

v4.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
Beidou

-

Yes
QZSS

-

Yes