Screen size
M3Winner: 6.5"+80%
Smartwatch 71.3"
Quick verdict
M3 leads the measured specs 14-3.
Measured wins
M3
14
spec wins
Overall winner
Ties
2
equal specs
Smartwatch 7
3
spec wins
Screen size
Technology
M3
GSM / HSPA / LTE
Smartwatch 7
No cellular connectivity
2G bands
M3
GSM 850 / 900 / 1800 / 1900
Smartwatch 7
N/A
3G bands
M3
HSDPA 850 / 900 / 2100
Smartwatch 7
N/A
4G bands
M3
LTE
Smartwatch 7
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
SD card
Stereo speakers
N/A
Speed
M3
HSPA, LTE
Smartwatch 7
No
GPRS
M3
-
Smartwatch 7
No
EDGE
M3
-
Smartwatch 7
No
Announced
M3
2021, April 07. Released 2021, April 14
Smartwatch 7
2021, June 09. Released 2021, June 13
Status
M3
Discontinued
Smartwatch 7
Discontinued
Dimensions
M3
163.2 x 75.9 x 9.3 mm (6.43 x 2.99 x 0.37 in)
Smartwatch 7
50 x 45 x 9.6 mm (1.97 x 1.77 x 0.38 in)
Weight
M3
201 g (7.09 oz)
Smartwatch 7
35 g (1.23 oz)
SIM
M3
Nano-SIM + Nano-SIM
Smartwatch 7
No
Other
M3
-
Smartwatch 7
IP67 Compatible with standard 22mm straps
Type
M3
IPS LCD
Smartwatch 7
TFT LCD
Size
M3
6.53 inches, 102.9 cm2 (~83.1% screen-to-body ratio)
Smartwatch 7
1.3 inches
Resolution
M3
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Smartwatch 7
240 x 240 pixels (~261 ppi density)
OS
M3
Android
Smartwatch 7
Proprietary OS
Chipset
M3
Mediatek MT6771 Helio P60 (12 nm)
Smartwatch 7
-
CPU
M3
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Smartwatch 7
-
GPU
M3
Mali-G72 MP3
Smartwatch 7
-
Card slot
M3
microSDXC (uses shared SIM slot)
Smartwatch 7
No
Internal
M3
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Smartwatch 7
-
Other
M3
eMMC 5.1
Smartwatch 7
eMMC 4.5
Quad
M3
16 MP, (wide), PDAF 5 MP, (ultrawide) 2 MP (macro) Auxiliary lens
Smartwatch 7
-
Features
M3
LED flash, HDR, panorama
Smartwatch 7
-
Video
M3
1080p@30fps
Smartwatch 7
-
Single
M3
8 MP
Smartwatch 7
-
Video
M3
1080p@30fps
Smartwatch 7
-
Loudspeaker
M3
Yes
Smartwatch 7
No
3.5mm jack
M3
Yes
Smartwatch 7
No
WLAN
M3
Wi-Fi 802.11 b/g/n, hotspot
Smartwatch 7
No
Bluetooth
M3
Yes
Smartwatch 7
4.0
Positioning
M3
GPS
Smartwatch 7
No
NFC
M3
No
Smartwatch 7
No
Radio
M3
Unspecified
Smartwatch 7
No
USB
M3
USB Type-C 2.0, OTG
Smartwatch 7
No
Sensors
M3
Fingerprint (side-mounted), accelerometer, proximity
Smartwatch 7
Accelerometer, heart rate, SpO2
Type
M3
Li-Po 5000 mAh
Smartwatch 7
Li-Ion 130 mAh
Charging
M3
18W wired
Smartwatch 7
-
Colors
M3
Black, Green, Sky, Gray
Smartwatch 7
Teal Green, Mimi Pink, Matte Black
Price
M3
About 120 EUR
Smartwatch 7
About 50 EUR
Other
M3
-
Smartwatch 7
No