Ulefone Armor 3T vs vivo X51 5G

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

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

HSDPA 850, 900, 1700, 1900, 2100; TD-SCDMA 1880-1920, 2010-2025 MHz

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

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 39(1900); LTE-TDD 1900, 2300, 2500, 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
EV-DO speed

3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE, Cat7 301 Mbps download, 102 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Polycarbonate, Aluminium alloy

Glass front, glass back, aluminum frame
SIM

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

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

164.8 mm

158.5 mm
Width

79.2 mm

72.8 mm
Thickness

18.15 mm

8 mm
Weight

364 g

181.5 g
Waterproof

Yes, IP68, IP69K

-
Dust proof

Yes, IP68, IP69K

-
MIL-STD-810G

Yes

-
Colors

Black, Orange

Gray

Main camera
Camera type

-

Quad
Main camera

21 MP, f/1.8 , 1.127 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

5312 x 3984 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

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

dual-LED flash

dual-LED dual-tone flash
Camera features

Autofocus, continuous shooting, digital zoom, optical image stabilization, 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

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
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, light, proximity

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

Battery
Battery type

Li-Po

Li-Po
Battery capacity

10300 mAh

4315 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

MediaTek Pump Express Plus 2.0

Vivo FlashCharge (57% in 30 min)
DxOMark autonomy

-

45
DxOMark charging

-

80
DxOMark efficiency

-

68
DxOMark battery score

-

60