Compare / Oppo Watch S vs Oppo K15s

Oppo Watch S vs Oppo K15s

A side-by-side comparison of the Oppo Watch S and the Oppo K15s, covering display, chipset, memory, camera, battery and build.

Oppo Watch S
Oppo
Oppo Watch S
Oppo K15s
Oppo
Oppo K15s

Overview

Display
Oppo Watch S
1.46inch
AMOLED
464 × 464 · 317 PPI
Oppo K15s
6.57inch
AMOLED · 120 Hz
1080 × 2372 · 397 PPI
Chip
Oppo Watch S
Qualcomm Snapdragon W5 Gen 1 (4 nm)
ColorOS Watch 7.1
Oppo K15s
Mediatek Dimensity 6360 Max (6 nm)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Mali-G57 MC2 · Android 16
Memory
Oppo Watch S
4 GB storage
No card slot
Oppo K15s
6 / 8GB RAM
128 GB · 256 GB storage
microSDXC
Camera
Oppo Watch S
—
Oppo K15s
50MP
8 MP selfie
1080p@30/60fps video
Battery
Oppo Watch S
339mAh
Oppo K15s
8,000mAh
45 W wired
Build
Oppo Watch S
35g
45 × 45 × 8.9 mm
IP68
Oppo K15s
205g
159.1 × 75.8 × 8.8 mm
IP68
Connectivity
Oppo Watch S
Wi-FiBluetooth 5.2NFCNo
Oppo K15s
5GWi-Fi 5Bluetooth 5.4NFCNano-SIM + Nano-SIMUSB Type-C 2.0

Specifications

Oppo Watch S

Technology
No cellular connectivity
2G bands
N/A
3G bands
N/A
4G bands
N/A
Speed
No
GPRS
No
EDGE
No

Oppo K15s

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 8, 28, 34, 38, 39, 40, 41, 42, 48
5G bands
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Oppo Watch S

Announced
2025, October 16
Status
Available. Released 2025, October 22

Oppo K15s

Announced
2026, October 02
Status
Available. Released 2026, October 02

Oppo Watch S

Dimensions
45 x 45 x 8.9 mm (1.77 x 1.77 x 0.35 in)
Weight
35 g (1.23 oz)
SIM

No

IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)

Waterproof (5ATM/50m)

ECG certified

Oppo K15s

Dimensions
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Weight
205 g (7.23 oz)
Build
Glass front, plastic frame, plastic back
SIM

Nano-SIM + Nano-SIM

IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)

Drop resistant up to 1.8m

Oppo Watch S

Type
AMOLED, 3000 nits (peak)
Size
1.46 inches
Resolution
464 x 464 pixels (~317 ppi density)

Oppo K15s

Type
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Size
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Resolution
1080 x 2372 pixels (~397 ppi density)

Oppo Watch S

OS
ColorOS Watch 7.1
Chipset
Qualcomm Snapdragon W5 Gen 1 (4 nm)

Oppo K15s

OS
Android 16, ColorOS 16
Chipset
Mediatek Dimensity 6360 Max (6 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2

Oppo Watch S

Card slot
No
Internal
4GB

Oppo K15s

Card slot
microSDXC
Internal

128GB 6GB RAM, 256GB 8GB RAM

UFS 2.2

Oppo Watch S

Not listed for this device

Oppo K15s

Dual

50 MP, f/1.9, 25mm (wide), PDAF

Auxiliary lens

Features
LED flash, HDR, panorama
Video
1080p@30/60fps

Oppo Watch S

Not listed for this device

Oppo K15s

Single
8 MP, f/2.1, 25mm (wide)
Features
Panorama
Video
1080p@30fps

Oppo Watch S

Loudspeaker
Yes
3.5mm jack
No

Oppo K15s

Loudspeaker
Yes
3.5mm jack
No

Oppo Watch S

WLAN
No
Bluetooth
5.2, A2DP, LE
Positioning
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Yes
Radio
No
USB
No

Oppo K15s

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.4, A2DP, LE, aptX HD
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Yes
Infrared port
Yes
Radio
No
USB
USB Type-C 2.0, OTG

Oppo Watch S

Sensors
Accelerometergyrobarometercompassheart rateSpO2

Oppo K15s

Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Oppo Watch S

Type
Li-Ion 339 mAh

Oppo K15s

Type
Si/C Li-Ion 8000 mAh
Charging

45W wired, 45W UFCS, 45W PPS, 13.5W PD

Reverse wired

Oppo Watch S

Colors
Black, Silver

Oppo K15s

Colors
Gray, Purple
Models
PYE130
Price
About 270 EUR

Oppo Watch S

No

Oppo K15s

Not listed for this device

How the Oppo Watch S and Oppo K15s differ

  • The Oppo K15s has a larger battery, 8000 mAh against 339 mAh on the Oppo Watch S.
  • The Oppo K15s has the bigger screen, 6.57 inches against 1.46 inches.
  • The Oppo K15s is the newer of the two, released in October 2026.