Apple Watch Series 7 Aluminum 45mm Cellular vs Nomu T20

Apple Watch Series 7 Aluminum 45mm Cellular

Nomu T20

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 850, 900, 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 39(1900), 40(2300), 41(2500)
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE, Cat6, 301.5 Mbps download, 51 Mbps upload
GPRS

-

Yes
EDGE

-

Yes

Design
Build

Glass front, ceramic/sapphire crystal back, aluminum frame

Aluminium alloy, polycarbonate
SIM

eSIM

Dual SIM (Nano-SIM/NanoSIM(microSD))
Height

45 mm

156.5 mm
Width

38 mm

77.2 mm
Thickness

10.7 mm

17.8 mm
Weight

38.8 g

-
Waterproof

IP6X (50m)

Yes, IP69K
Dust proof

IP6X

Yes, IP69K
MIL-STD-810G

-

Yes
Colors

Blue, Green, Midnight, Red, Starlight

Black, Yellow

Display
Display type

Retina LTPO OLED

IPS capacitive touchscreen
Physical size

1.9 inches

5 inches
Resolution

484 x 396 pixels

720 x 1280 pixels
Pixel density

326 ppi

294 ppi
Display colors

-

16777216
Protection

Ion-X strengthened glass

Scratch resistant, Corning Gorilla Glass 3
Multitouch

-

Yes
Display features

Always-on display, 1000 nits (peak)

-

Main camera
Primary camera

No

-
Main camera

8 MP, f/2.0
Primary camera resolution

-

3264 x 2448 pixels
Primary camera video

-

720p@30fps
Primary camera flash

-

dual-LED flash
Camera features

-

Autofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, 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
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

No

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v5.0

v4.2
Bluetooth A2DP

A2DP

Yes
bluetooth LE

LE

Yes
Bluetooth EDR

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, always-on altimeter, barometer, compass, gyro, heart rate, SpO2, VO2max

Accelerometer, compass, gyroscope, light, proximity