Elephone Soldier vs vivo X51 5G

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 850, 900, 2100

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 12(700), 18(800); LTE-TDD 2300, 2600 MHz

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 7, 8, 28, 38, 41, 77, 78 SA/NSA
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE, Cat6, 301 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, thermoplastic polyurethane

Glass front, glass back, aluminum frame
SIM

Dual SIM (Nano-SIM/Nano-SIM(microSD))

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

-

158.5 mm
Width

-

72.8 mm
Thickness

-

8 mm
Weight

-

181.5 g
Waterproof

Yes, IP68

-
Dust proof

Yes, IP68

-
Colors

Black, Green

Gray

Main camera
Camera type

-

Quad
Main camera

21 MP, f/2.2 , 1.155 µm

48 MP, f/1.6 , 0.8 µm, (wide) , 1/1.2"
(periscope telephoto) , 8 MP, f/3.4 , 135 mm, 1/4.0" , 5x optical zoom
(portrait) , 13 MP, f/2.5 , 50 mm, 1/2.8" , 0.8 µm, 2x optical zoom
(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm
Primary camera resolution

5344 x 4008 pixels

8000 x 6000 pixels
Primary camera video

2160p@30fps

4K@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

dual-LED flash

dual-LED dual-tone flash
Primary camera phase detection autofocus

phase detection autofocus

-
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, digital image stabilization, optical 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
DxOMark photo

-

117
DxOMark zoom

-

67
DxOMark video

-

102
DxOMark camera score

-

114

Selfie camera
Selfie camera type

-

Single
Selfie camera

16 MP, f/2.0 , 1.029 µm

32 MP, f/2.5 , 0.8 µm, (wide) , 26 mm, 1/2.8"
Selfie camera resolution

4608 x 3456 pixels

6528 x 4896 pixels
Selfie camera features

-

Face unlock
Selfie camera video

720p@30fps MP

1080p@30fps
DxOMark photo

-

82
DxOMark video

-

78
DxOMark camera score

-

81

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

-

Yes

Features
Sensors

Accelerometer, barometer, compass, fingerprint, humidity, light, proximity, thermometer

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity