DEXP B255 vs Huawei P40

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
4G network

-

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 6(900), 7(2600), 8(900), 9(1800), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
5G network

-

5G band 1(2100), 3(1800), 28(700), 38(2600), 41(2500), 77(3700), 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 Cat21
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, plastic

Aluminium alloy, glass
SIM

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

Single SIM (Nano-SIM/eSIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

147.8 mm

148.9 mm
Width

71.5 mm

71.1 mm
Thickness

8.8 mm

8.5 mm
Weight

151 g

175 g
Waterproof

-

Yes, IP53
Dust proof

-

Yes, IP53
Colors

Grey

Black, Blue, Gold, Silver, White

Display
Display type

IPS

OLED capacitive touchscreen
Physical size

5.5 inches

6.1 inches
Resolution

640 x 1280 pixels

1080 x 2340 pixels
Pixel density

260 ppi

422 ppi
Display colors

16777216

16777216
Protection

-

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

Yes

Yes

Main camera
Camera type

Dual

Triple
Main camera

8 MP

50 MP, f/1.9 , 23 mm, 1/1.28" , 2.44 µm
0.3 MP

8 MP, f/2.4 , 80 mm, 3x optical zoom
16 MP, f/2.2 , 17 mm
Primary camera resolution

3264 x 2448 pixels

-
Primary camera video

1080p@30fps

2160p@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS
Primary camera optics

-

Leica optics
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 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, phase detection autofocus, contrast detection autofocus, laser autofocus
DxOMark photo

-

115
DxOMark zoom

-

70
DxOMark video

-

98
DxOMark camera score

-

112

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 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
USB On-The-Go

-

Yes
Bluetooth

v4.0

v5.1
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
QZSS

-

Yes
NavIC

-

Yes