Screen size
A6xWinner: 6.8"+72%
Watch 4 Pro1.9"
Quick verdict
A6x leads the measured specs 18-2.
Measured wins
A6x
18
spec wins
Overall winner
Ties
1
equal specs
Watch 4 Pro
2
spec wins
Screen size
Technology
A6x
GSM / HSPA / LTE / 5G
Watch 4 Pro
HSPA / LTE
2G bands
A6x
GSM 850 / 900 / 1800 / 1900
Watch 4 Pro
N/A
3G bands
A6x
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
Watch 4 Pro
HSDPA 850 / 900 / 2100
4G bands
A6x
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 42, 48, 66, 71
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
NFC
equal specs3.5mm jack
SD card
Stereo speakers
Watch 4 Pro
LTE
5G bands
A6x
1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA
Watch 4 Pro
-
Speed
A6x
HSPA, LTE, 5G
Watch 4 Pro
HSPA, LTE
Announced
A6x
2026, January 13
Watch 4 Pro
2023, August 29
Status
A6x
Available. Released 2026, January 13
Watch 4 Pro
Available. Released 2023, September 08
Dimensions
A6x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Watch 4 Pro
50.1 x 38.3 x 12.9 mm (1.97 x 1.51 x 0.51 in)
Weight
A6x
212 g (7.48 oz)
Watch 4 Pro
52.3 g (1.83 oz)
Build
A6x
Glass front, plastic frame, plastic back
Watch 4 Pro
Glass front, stainless steel frame
SIM
A6x
Nano-SIM + Nano-SIM
Watch 4 Pro
eSIM (market/region dependent)
Other
A6x
IP64 dust tight and water resistant (water splashes)
Watch 4 Pro
5ATM water resistant ECG certified
Type
A6x
IPS LCD, 120Hz, 1125 nits (peak)
Watch 4 Pro
LTPO AMOLED
Size
A6x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Watch 4 Pro
1.91 inches
Resolution
A6x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Watch 4 Pro
378 x 496 pixels (~327 ppi density)
OS
A6x
Android 15, ColorOS 15
Watch 4 Pro
ColorOS Watch 3.0 - China
Chipset
A6x
Mediatek Dimensity 6300 (6 nm)
Watch 4 Pro
Qualcomm Snapdragon W5+ Gen 1 (4 nm)
CPU
A6x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Watch 4 Pro
Quad-core 1.7 GHz Cortex-A53
GPU
A6x
Mali-G57 MC2
Watch 4 Pro
Adreno A702
Card slot
A6x
microSDXC
Watch 4 Pro
No
Internal
A6x
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
Watch 4 Pro
32GB 2GB RAM
Other
A6x
UFS 2.2
Watch 4 Pro
-
Dual
A6x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Watch 4 Pro
-
Features
A6x
LED flash, HDR, panorama
Watch 4 Pro
-
Video
A6x
1080p@30/60fps
Watch 4 Pro
-
Single
A6x
5 MP, f/2.2, (wide)
Watch 4 Pro
-
Features
A6x
Panorama
Watch 4 Pro
-
Video
A6x
1080p@30fps
Watch 4 Pro
-
Loudspeaker
A6x
Yes
Watch 4 Pro
Yes
3.5mm jack
A6x
Yes
Watch 4 Pro
No
WLAN
A6x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Watch 4 Pro
Wi-Fi 802.11 a/b/g/n
Bluetooth
A6x
5.4, A2DP, LE, aptX HD
Watch 4 Pro
5.0, A2DP, LE
Positioning
A6x
GPS, GALILEO, GLONASS, QZSS
Watch 4 Pro
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
A6x
Yes (market/region dependent)
Watch 4 Pro
Yes
Radio
A6x
Unspecified
Watch 4 Pro
No
USB
A6x
USB Type-C 2.0, OTG
Watch 4 Pro
No
Sensors
A6x
Fingerprint (side-mounted), accelerometer, proximity, compass
Watch 4 Pro
Accelerometer, gyro, heart rate, compass, barometer, SpO2, thermometer (skin temperature)
Other
A6x
-
Watch 4 Pro
Temperature sensing (0.1˚ accuracy)
Type
A6x
6500 mAh
Watch 4 Pro
Li-Ion 570 mAh
Charging
A6x
Wired 5W reverse wired
Watch 4 Pro
-
Colors
A6x
Plum Purple, Violet Purple
Watch 4 Pro
Black, Silver
Models
A6x
CPH2783
Watch 4 Pro
-
Price
A6x
-
Watch 4 Pro
About 290 EUR
Other
A6x
-
Watch 4 Pro
No