Nokia 2720 Flip vs Nokia X20

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EU; LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - MENA, APAC, GCR

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 66, 38, 39, 40, 41
5G network

-

5G band 1, 2, 3, 5, 7, 28, 38, 41, 66, 78 SA/NSA/Sub6
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE Cat 4, 150 Mbps download, 50 Mbps upload

LTE, Cat4, 150 Mbps download, 50 Mbps upload
GPRS

-

Yes
EDGE

-

Yes

Design
Build

-

Plastic
SIM

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

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

192.7 mm

168.9 mm
Width

54.5 mm

79.7 mm
Thickness

11.6 mm

9.1 mm
Weight

118 g

220 g
Waterproof

-

IPX2
Dust proof

-

IPX2
Colors

Black, Grey

Blue, Sun

Main camera
Camera type

Single

Quad
Main camera

2 MP

64 MP, (wide) , f/1.8 , 1/1.97" , 0.7 µm
(ultrawide) , 5 MP, 1/5" , 1.12 µm
(macro) , 2 MP
(depth) , 2 MP
Primary camera resolution

-

9280 x 6920 pixels
Primary camera video

Yes

4K@30fps, 1080p@30fps
Primary camera optics

-

Zeiss optics
Primary camera flash

LED flash

LED flash
Camera features

-

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

Connectivity
WLAN

Wi-Fi 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

-

Wi-Fi direct
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes