BLU G51 vs Huawei P40

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

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

LTE frequency band 2, 3, 4, 5, 7, 12, 17, 28, 66

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

42.2 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

-

Aluminium alloy, glass
SIM

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

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

155.3 mm

148.9 mm
Width

73.5 mm

71.1 mm
Thickness

9.5 mm

8.5 mm
Weight

166 g

175 g
Waterproof

-

Yes, IP53
Dust proof

-

Yes, IP53
Colors

Black, Blue, Gold, Green, Silver

Black, Blue, Gold, Silver, White

Display
Display type

IPS LCD

OLED capacitive touchscreen
Physical size

6.1 inches

6.1 inches
Resolution

720 x 1520 pixels

1080 x 2340 pixels
Pixel density

276 ppi

422 ppi
Display colors

16777216

16777216
Protection

-

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

-

Yes

Main camera
Camera type

Dual

Triple
Main camera

8 MP

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

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

1080p@30fps

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

-

Leica optics
Primary camera flash

LED flash

LED flash
Camera features

HDR, Panorama

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 802.11a, 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

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

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

-

Yes
Bluetooth

v4.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
Beidou

-

Yes
QZSS

-

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, fingerprint, proximity

Accelerometer, color spectrum, compass, fingerprint, infrared face recognition, gyro, proximity