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Model

Compare BLU G51 and Ulefone Armor 21

BLU G51 vs Ulefone Armor 21

BLU G51

Ulefone Armor 21

Ulefone Armor 21

BLU G51

Ulefone Armor 21

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 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, 17, 19, 20, 28, 34, 38, 39, 40, 41, 66
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2022-06

2023-05
Status

2022-06

2023-05

Design
Build

-

Polycarbonate, TPU, metal
SIM

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

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

155.3 mm

176 mm
Width

73.5 mm

81.6 mm
Thickness

9.5 mm

18.1 mm
Weight

166 g

400 g
Waterproof

-

IP68/IP69K (1.5m and 30 mins)
Dust proof

-

IP68/IP69K
MIL-STD-810H

-

Yes
Colors

Black, Blue, Gold, Green, Silver

Black

Display
Display type

IPS LCD

IPS LCD
Physical size

6.1 inches

6.58 inches
Resolution

720 x 1520 pixels

1080 x 2408 pixels
Pixel density

276 ppi

401 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant

Hardware
CPU

-

Octa-core
CPU

Quad-core 2.0 GHz Cortex-A53

Dual-core 2.2 GHz Cortex-A76
CPU(second)

Hexa-core 2.0 GHz Cortex-A55
Chipset

Mediatek MT6761 Helio A22

MediaTek MT8781 Helio G99
GPU

PowerVR GE8320

Mali-G57 MC2
Memory RAM

2 GB

8 GB
Internal storage

32 GB

256 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

128 GB

2 TB

OS
OS

Android 11 Go Edition

Android 13

Main camera
Camera type

Dual

Dual
Main camera

8 MP

64 MP, (wide) , f/1.9 , 0.8 µm
(depth) , 0.3 MP

(night vision) , 24 MP, f/1.8
Primary camera resolution

-

9280 x 6180 pixels
Primary camera video

1080p@30fps

-
Primary camera flash

LED flash

LED flash
Camera features

HDR, Panorama

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

-

Single
Selfie camera

8 MP

16 MP, (wide) , f/2.2 , 1.0 µm
Selfie camera resolution

-

4608 x 3456 pixels
Selfie camera features

-

Face unlock, HDR, face detection
Selfie camera video

720p@30fps

1080p@30fps

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes

Yes
Earpiece

Yes

Yes

Multimedia
Radio

FM Radio

Stereo FM radio, RDS, recording

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

-
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.2
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
BDS

-

Yes

Features
Sensors

Accelerometer, fingerprint, proximity

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Po

Li-Po
Battery capacity

3000 mAh

9600 mAh
Battery removable

-

Non-removable
Fast battery charging

-

Yes, 33W

Tests and performance
Antutu

-

370000 (v9)
Geekbench(single-core)

543 (v5.2)

567 (v5.2)
Geekbench(multi-core)

1675 (v5.2)

1857 (v5.2)

Cost
Price

-

240 USD

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