AGM X3 Turbo vs Fairphone 4

Network
2G network

GSM 850, 900, 1800, 1900, CDMA 800

GSM 850, 900, 1800, 1900
3G network

W-CDMA 850, 900, 1700, 1900, 2100, TD-SCDMA 1880-1920, 2010-2025

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

LTE frequency band 1(2100), 3(1800), 2(1900), 4(1700/2100), 5(850), 7(2600), 8(900), 12 (700), 17(700), 18(800), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 38, 40, 41, 71
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 71, 77, 78 SA/NSA/Sub6
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 Cat18, 1.2 Gbps download, 221 Mbps upload

LTE-A (4CA), Cat18, 1200 Mbps download, 150 Mbps upload
5G speed

-

2.3 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Glass front (Gorilla Glass 5), plastic back, plastic frame
SIM

Dual SIM (Nano-SIM/microSD)

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

167.5 mm

162 mm
Width

81.5 mm

75.5 mm
Thickness

10.5 mm

10.5 mm
Weight

216 g

225 g
Waterproof

IP68

IP54
Dust proof

IP68

IP54
MIL-STD-810G

Yes

Yes
Colors

Black

Gray, Green, Speckled Green

Display
Display type

TFT capacitive touchscreen

IPS LCD
Physical size

5.99 inches

6.3 inches
Resolution

1080 x 2160 pixels

1080 x 2340 pixels
Pixel density

403 ppi

409 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass 5, oDLC (optical Diamond-Like-Carbon) coating

Scratch resistant, Corning Gorilla Glass 5
Multitouch

Yes

-

Main camera
Camera type

Dual

Triple
Main camera

12 MP, f/1.8 , 1.28 µm

48 MP, f/1.6 , 0.8 µm, (wide) , 1/2.0" , 8x digital zoom
24 MP, f/1.8

48 MP, f/2.2 , (ultrawide) , 120˚ , 1/2.0" , 0.8 µm
TOF 3D
Primary camera resolution

4032 x 3024 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30/60fps, gyro-EIS
Primary camera flash

dual LED flash

dual-LED dual-tone flash
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, scene-mode, phase detection autofocus

Selfie camera
Selfie camera type

-

Single
Selfie camera

20 MP, f/2

25 MP, f/2.2 , (wide) , 1/2.78" , 0.9 µm
Selfie camera resolution

5120 x 3840 pixels

-
Selfie camera features

-

Digital image stabilization, face detection, face unlock, HDR
Selfie camera video

1080p@30fps

1080p@30fps, gyro-EIS

Connectivity
WLAN

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

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
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

Type-C 3.0, DisplayPort
USB On-The-Go

Yes

-
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

-
BDS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity, light

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Ion
Battery capacity

4100 mAh

3905 mAh
Battery removable

-

Removable
Fast battery charging

Qualcomm Quick Charge 3.0

Quick Charge, 20W (50% in 30 min)
Wireless charging

Qi wireless charging

-
Talk time 3G

-

30 h
Talk time 4G

-

13 h
Standby time 4G

-

200 h