Fairphone 4 vs Xiaomi 12S

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900;CDMA 800
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, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

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

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 2.4 Mbps download, 0.15 Mbps upload
LTE speed

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

LTE-A
5G speed

2.3 Gbps download

-
GPRS

Yes

Class 33
EDGE

Yes

Class 33

Design
Build

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

Glass front (Gorilla Glass Victus), glass back or eco leather back, aluminum frame
SIM

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

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

162 mm

152.7 mm
Width

75.5 mm

69.9 mm
Thickness

10.5 mm

8.2/8.7 mm
Weight

225 g

179/182 g
Waterproof

IP54

-
Dust proof

IP54

-
MIL-STD-810G

Yes

-
Colors

Gray, Green, Speckled Green

Gray, Green, Purple, White

Display
Display type

IPS LCD

AMOLED
Physical size

6.3 inches

6.28 inches
Resolution

1080 x 2340 pixels

1080 x 2400 pixels
Pixel density

409 ppi

419 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, Corning Gorilla Glass 5

Scratch resistant, Corning Gorilla Glass Victus
Display features

-

120Hz, Dolby Vision, HDR10+, 1100 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 570

Single-core 3.19 GHz Cortex-X2
CPU(second)

Hexa-core 1.8 GHz Kryo 570

Triple-core 2.75 GHz Cortex-A710
CPU(third)

Quad-core 1.8 GHz Cortex-A510
Chipset

Qualcomm SM7225 Snapdragon 750G 5G

Qualcomm SM8475 Snapdragon 8+ Gen 1
GPU

Adreno 619

Adreno 730
Memory RAM

6, 8 GB

8, 12 GB
Internal storage

128, 256 GB

128, 256, 512 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

2 TB

-
Storage

-

UFS 3.1

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 50 MP, f/1.9 , 1/1.28" , 1.22 µm, 24 mm
(ultrawide) , 48 MP, f/2.2 , 120˚ , 1/2.0" , 0.8 µm

(ultrawide) , 13 MP, f/2.4 , 123˚ , 1/3.06" , 1.22 µm, 15 mm
(depth)

(telephoto macro) , 5 MP, f/2.4 , 50 mm
Primary camera resolution

8000 x 6000 pixels

8190 x 6144 pixels
Primary camera video

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

8K@24fps, 4K@30/60fps, 1080p@30/60fps, 720p@1920fps, gyro-EIS
Primary camera optics

-

Leica lens
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, super night mode 2.0, cyberfocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

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

(wide) , 32 MP, f/2.5 , 0.7 µm, 80˚ , 26 mm
Selfie camera features

Digital image stabilization, face detection, face unlock, HDR

Face unlock, HDR
Selfie camera video

1080p@30fps, gyro-EIS

1080p@30/60fps, 720p@120fps, HDR

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

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

Yes

Yes
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

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

3905 mAh

4500 mAh
Battery removable

Removable

Non-removable
Fast battery charging

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

Quick Charge 4+, 67W (100% in 42 min)
Wireless reverse charging

-

Yes, 10W
Fast wireless charging

-

Yes, 50W (100% in 57 min)
Talk time 3G

30 h

-
Talk time 4G

13 h

-
Standby time 4G

200 h

-