Screen size
O2Winner: 6.5"+78%
Prowatch ZN1.4"
Quick verdict
O2 leads the measured specs 15-4.
Measured wins
O2
15
spec wins
Overall winner
Ties
2
equal specs
Prowatch ZN
4
spec wins
Screen size
Technology
O2
GSM / HSPA / LTE
Prowatch ZN
No cellular connectivity
2G bands
O2
GSM 900 / 1800
Prowatch ZN
N/A
3G bands
O2
HSDPA 900 / 2100
Prowatch ZN
N/A
4G bands
O2
1, 3, 5, 8, 40, 41
Prowatch ZN
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
O2
HSPA, LTE
Prowatch ZN
-
GPRS
O2
-
Prowatch ZN
No
EDGE
O2
-
Prowatch ZN
No
Announced
O2
2024, March 22
Prowatch ZN
2024, April 23
Status
O2
Available. Released 2024, March 27
Prowatch ZN
Available. Released 2024, April 26
Dimensions
O2
165 x 76.1 x 8.7 mm (6.50 x 3.00 x 0.34 in)
Prowatch ZN
-
Weight
O2
200 g (7.05 oz)
Prowatch ZN
-
SIM
O2
Nano-SIM + Nano-SIM
Prowatch ZN
No
Build
O2
-
Prowatch ZN
Glass front (Gorilla Glass 3), zinc alloy frame
Other
O2
-
Prowatch ZN
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
O2
IPS LCD, 90Hz
Prowatch ZN
AMOLED, 600 nits
Size
O2
6.5 inches, 102.0 cm2 (~81.2% screen-to-body ratio)
Prowatch ZN
1.43 inches
Resolution
O2
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Prowatch ZN
466 x 466 pixels (~326 ppi density)
Protection
O2
-
Prowatch ZN
Corning Gorilla Glass 3
OS
O2
Android 13
Prowatch ZN
Proprietary OS
Chipset
O2
Unisoc Tiger T616 (12 nm)
Prowatch ZN
-
CPU
O2
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Prowatch ZN
-
GPU
O2
Mali-G57 MP1
Prowatch ZN
-
Card slot
O2
microSDXC (dedicated slot)
Prowatch ZN
No
Internal
O2
128GB 8GB RAM
Prowatch ZN
Unspecified
Other
O2
UFS 2.2
Prowatch ZN
-
Single
O2
50 MP, (wide), AF Auxiliary lens
Prowatch ZN
-
Features
O2
LED flash, HDR, panorama
Prowatch ZN
-
Video
O2
1080p@30fps
Prowatch ZN
-
Single
O2
8 MP
Prowatch ZN
-
Video
O2
1080p@30fps
Prowatch ZN
-
Loudspeaker
O2
Yes
Prowatch ZN
Yes
3.5mm jack
O2
Yes
Prowatch ZN
No
WLAN
O2
Wi-Fi 802.11 b/g/n/ac
Prowatch ZN
No
Bluetooth
O2
5.0, A2DP, LE
Prowatch ZN
5.2, A2DP, LE
Positioning
O2
GPS
Prowatch ZN
No
NFC
O2
No
Prowatch ZN
No
Radio
O2
FM radio
Prowatch ZN
No
USB
O2
USB Type-C 2.0, OTG
Prowatch ZN
No
Sensors
O2
Fingerprint (side-mounted), accelerometer, proximity
Prowatch ZN
Accelerometer, heart rate, SpO2
Type
O2
Li-Po 5000 mAh
Prowatch ZN
Li-Ion 350 mAh
Charging
O2
18W wired
Prowatch ZN
-
Colors
O2
Imperial Green, Majestic Purple, Royal Gold
Prowatch ZN
Black, Tarnish
Price
O2
About 100 EUR
Prowatch ZN
About 50 EUR
Other
O2
-
Prowatch ZN
No