Screen size
Black Shark GS3 Ultra1.4"
Watch S5Winner: 1.5"+3.4%
Quick verdict
Watch S5 leads the measured specs 8-1.
Measured wins
Black Shark GS3 Ultra
1
spec wins
Ties
4
equal specs
Watch S5
8
spec wins
Overall winner
Screen size
Technology
Black Shark GS3 Ultra
No cellular connectivity
Watch S5
HSPA / LTE
2G bands
Black Shark GS3 Ultra
N/A
Watch S5
3G bands
Black Shark GS3 Ultra
N/A
Watch S5
HSDPA
4G bands
Black Shark GS3 Ultra
N/A
Watch S5
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
equal specsSD card
equal specsStereo speakers
LTE
GPRS
Black Shark GS3 Ultra
No
Watch S5
No
EDGE
Black Shark GS3 Ultra
No
Watch S5
No
Speed
Black Shark GS3 Ultra
-
Watch S5
HSPA, LTE
Announced
Black Shark GS3 Ultra
2025, November 21
Watch S5
2026, May 28
Status
Black Shark GS3 Ultra
Available. Released 2025, December
Watch S5
Available. Released 2026, May 28
Dimensions
Black Shark GS3 Ultra
-
Watch S5
46 x 46 x 11 mm (1.81 x 1.81 x 0.43 in)
Weight
Black Shark GS3 Ultra
-
Watch S5
46 g (1.62 oz)
Build
Black Shark GS3 Ultra
Glass front (Gorilla Glass), aluminum frame
Watch S5
Glass front, stainless steel frame, stainless steel/ceramic/forged carbon bezel
SIM
Black Shark GS3 Ultra
No
Watch S5
eSIM (market/region dependent)
Other
Black Shark GS3 Ultra
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant Waterproof (5ATM)
Watch S5
Waterproof (5ATM)
Type
Black Shark GS3 Ultra
AMOLED, 1000 nits
Watch S5
AMOLED, 1500 nits (HBM), 2500 nits (peak)
Size
Black Shark GS3 Ultra
1.43 inches
Watch S5
1.48 inches
Resolution
Black Shark GS3 Ultra
466 x 466 pixels (~326 ppi density)
Watch S5
480 x 480 pixels (~459 ppi density)
Protection
Black Shark GS3 Ultra
Corning Gorilla Glass
Watch S5
Drop-proof glass
Card slot
Black Shark GS3 Ultra
No
Watch S5
No
Phonebook
Black Shark GS3 Ultra
No
Watch S5
-
Call records
Black Shark GS3 Ultra
Yes
Watch S5
-
Other
Black Shark GS3 Ultra
No
Watch S5
No
Loudspeaker
Black Shark GS3 Ultra
Yes
Watch S5
Yes
3.5mm jack
Black Shark GS3 Ultra
No
Watch S5
No
WLAN
Black Shark GS3 Ultra
No
Watch S5
No
Bluetooth
Black Shark GS3 Ultra
Yes
Watch S5
5.4, LE
Positioning
Black Shark GS3 Ultra
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Watch S5
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Black Shark GS3 Ultra
Unspecified
Watch S5
Yes (market/region dependent)
Radio
Black Shark GS3 Ultra
No
Watch S5
No
USB
Black Shark GS3 Ultra
No
Watch S5
No
Sensors
Black Shark GS3 Ultra
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Watch S5
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Messaging
Black Shark GS3 Ultra
SMS(threaded view), Email, IM
Watch S5
-
Games
Black Shark GS3 Ultra
No
Watch S5
-
Java
Black Shark GS3 Ultra
No
Watch S5
-
Type
Black Shark GS3 Ultra
Watch S5
Li-Po 815 mAh
Colors
Black Shark GS3 Ultra
Black, Silver
Watch S5
Black, Silver, Ceramic Blue, Jungle Green, Beige (eSIM)
Models
Black Shark GS3 Ultra
-
Watch S5
M2530W1, M2517W1
Price
Black Shark GS3 Ultra
-
Watch S5
About 180 EUR
OS
Black Shark GS3 Ultra
-
Watch S5
Xiaomi HyperOS 3