BLU G51 vs Sony Xperia 5 IV

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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66 - USA, Europe; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 34, 38, 39, 40, 41, 46, 66 - Asia
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 - USA, Europe; 1, 3, 5, 7, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA/Sub6 - Asia
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
SIM

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

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

155.3 mm

156 mm
Width

73.5 mm

67 mm
Thickness

9.5 mm

8.2 mm
Weight

166 g

172 g
Waterproof

-

IP65/IP68 (1.5m and 30 mins)
Dust proof

-

IP65/IP68
Colors

Black, Blue, Gold, Green, Silver

Black, Green, White

Main camera
Camera type

Dual

Triple
Main camera

8 MP

12 MP, (wide) , f/1.7 , 24 mm, 1/1.7" , 1.8 µm
(depth) , 0.3 MP

(telephoto) , 12 MP, f/2.4 , 60 mm, 1/3.5"
124˚ , (ultrawide) , 12 MP, f/2.2 , 16 mm, 1/2.5"
Primary camera resolution

-

4032 x 3024 pixels
Primary camera video

1080p@30fps

4K@24/25/30/60/120fps HDR, 1080p@30/60/120/240fps; 5-axis gyro-EIS, OIS
Primary camera optics

-

Zeiss optics, Zeiss T* lens coating
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, Real-time eye AF, Real-time tracking, cinematography pro, object tracking for video, 5-axis stabilization

Connectivity
WLAN

Wi-Fi 802.11a, 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

Yes
WiFi Tri-Band

-

Yes
WLAN DLNA

-

Yes
USB

microUSB 2.0

Type-C 3.1, video output
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes