Fairphone 4 vs Xiaomi 12T

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; CDMA2000 1xEV-DO
4G network

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 38, 40, 41
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 71, 77, 78 SA/NSA/Sub6

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

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

LTE-A
5G speed

2.3 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Glass, aluminium alloy
SIM

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

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

162 mm

163.1 mm
Width

75.5 mm

75.9 mm
Thickness

10.5 mm

8.6 mm
Weight

225 g

202 g
Waterproof

IP54

-
Dust proof

IP54

-
MIL-STD-810G

Yes

-
Colors

Gray, Green, Speckled Green

Black, Blue, Silver

Display
Display type

IPS LCD

AMOLED
Physical size

6.3 inches

6.67 inches
Resolution

1080 x 2340 pixels

1220 x 2712 pixels
Pixel density

409 ppi

446 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, Corning Gorilla Glass 5

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
Display features

-

120Hz, HDR10+

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 108 MP, f/1.7 , 1/1.67" , 0.64 µm, 24 mm
(ultrawide) , 48 MP, f/2.2 , 120˚ , 1/2.0" , 0.8 µm

(ultrawide) , 8 MP, f/2.2 , 1/4" , 1.12 µm
TOF 3D

(macro) , 2 MP, f/2.4 , 1/4" , 1.12 µm
Primary camera resolution

8000 x 6000 pixels

12000 x 9000 pixels
Primary camera video

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

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

dual-LED dual-tone flash

dual-LED dual-tone flash
Camera features

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

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, night mode, ultra night video

Selfie camera
Selfie camera type

Single

Single
Selfie camera

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

(wide) , 20 MP, f/2.2 , 1/3.47" , 0.8 µm, 78˚
Selfie camera features

Digital image stabilization, face detection, face unlock, HDR

Face unlock, HDR, face detection, video HDR
Selfie camera video

1080p@30fps, gyro-EIS

1080p@30/60fps

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, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 3.0, DisplayPort

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.1

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

Yes

Yes (market dependent)
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

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

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

3905 mAh

5000 mAh
Battery removable

Removable

Non-removable
Fast battery charging

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

Yes, 120W (100% in 19 min)
Talk time 3G

30 h

-
Talk time 4G

13 h

-
Standby time 4G

200 h

-