Nokia XR21 vs Xiaomi Mix Fold 3

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 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, 13, 17, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

5G band 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77, 78, 79 SA/NSA

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA
HSDPA speed

45.4 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

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

-
LTE speed

LTE-A, 750 Mbps download, 211 Mbps upload

LTE-A (CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Glass front (folded), plastic front (unfolded), glass back or aramid fiber back, aluminum frame
SIM

Single SIM (Nano-SIM, eSIM) or Dual SIM (Nano-SIM, dual stand-by)

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

168 mm

161.2 mm
Width

78.6 mm

73.5 mm
Thickness

10.6 mm

10.9 mm
Height unfolded

-

161.2 mm
Width unfolded

-

143.3 mm
Thickness unfolded

-

5.3 mm
Weight

231 g

255/259 g
Waterproof

IP68/IP69K (1.5m and 60 mins)

-
Dust proof

IP68/IP69K

-
MIL-STD-810H

Yes

-
Colors

Black, Green

Black, Gold

Display
Display type

IPS LCD

Foldable LTPO OLED+
Physical size

6.49 inches

8.03 inches
Resolution

1080 x 2400 pixels

1916 x 2160 pixels
Pixel density

406 ppi

360 ppi
Display colors

16777216

1073741824
Protection

2D curved glass screen, Corning Gorilla Glass Victus

UTG glass, Corning Gorilla Glass Victus 2
Display features

-

120Hz, HDR10+, Dolby Vision, 1300 nits (peak)
Cover display

-

AMOLED
Cover display physical size

-

6.56 inches
Cover display resolution

-

1080 x 2520 pixels
Cover display features

-

120Hz, HDR10+, Dolby Vision, 2600 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 660 Gold

Single-core 3.36 GHz Cortex-X3
CPU(second)

Hexa-core 1.7 GHz Kryo 660 Silver

dual-core 2.8 GHz Cortex-A715
CPU(third)

Dual-core 2.8 GHz Cortex-A710
CPU(fourth)

Triple-core 2.0 GHz Cortex-A510
Chipset

Qualcomm SM6375 Snapdragon 695 5G

Qualcomm SM8550-AC Snapdragon 8 Gen 2
GPU

Adreno 619

Adreno 740
Memory RAM

6 GB

12, 16 GB
Internal storage

128 GB

256, 512, 1024 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

512 GB

-
Storage

-

UFS 4.0

Main camera
Camera type

Dual

Quad
Main camera

(wide) , 64 MP, f/1.8 , 1/2"

(wide) , 50 MP, f/1.8 , 1/1.49" , 23 mm, 1.0 µm
(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm

(telephoto) , 10 MP, f/2.0 , 75 mm, 3.2x optical zoom
(telephoto) , 10 MP, f/2.9 , 115 mm, 5x optical zoom
(ultrawide) , 12 MP, f/2.2 , 120˚ , 15 mm
Primary camera resolution

9280 x 6920 pixels

8190 x 6120 pixels
Primary camera video

4K@30fps, 1080p@30fps

8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960/1920fps, Dolby Vision HDR
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

Autofocus, geotagging, panorama, HDR, touch focus, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, speedwarp

Autofocus, continuous autofocus, 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, phase detection autofocus, Dolby Vision, Leica Native Dual Quality, super night 2.0

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 802.11be
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 3.2
USB On-The-Go

Yes

-
Bluetooth

v5.1

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX Adaptive

-
Infrared

-

Yes
NFC

Yes (market dependent)

Yes
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

Yes

Yes

Features
Sensors

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

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

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4800 mAh

4800 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

USB Power Delivery 2.0, 33W

Quick Charge 4, 67W (100% in 40 min)
Fast wireless charging

-

Yes, 50W (100% in 55 min)