Compare / OnePlus Watch 4 vs OnePlus Ace 7 Pro

OnePlus Watch 4 vs OnePlus Ace 7 Pro

A side-by-side comparison of the OnePlus Watch 4 and the OnePlus Ace 7 Pro, covering display, chipset, memory, camera, battery and build.

OnePlus Watch 4
OnePlus
OnePlus Watch 4
OnePlus Ace 7 Pro
OnePlus
OnePlus Ace 7 Pro

Overview

Display
OnePlus Watch 4
1.5inch
LTPO AMOLED
466 × 466 · 310 PPI
OnePlus Ace 7 Pro
6.78inch
LTPO AMOLED · 185 Hz
1272 × 2772 · 450 PPI
Chip
OnePlus Watch 4
Qualcomm Snapdragon W5 Gen 1 (4 nm)
OxygenOS Watch 8 + Wear OS 7.0
OnePlus Ace 7 Pro
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
Adreno 840 · Android 17
Memory
OnePlus Watch 4
2GB RAM
32 GB storage
No card slot
OnePlus Ace 7 Pro
12 / 16GB RAM
256 GB · 512 GB · 1 TB storage
No card slot
Camera
OnePlus Watch 4
—
OnePlus Ace 7 Pro
200MP Main
50 MP Periscope
16 MP selfie
8K@30fps video
Battery
OnePlus Watch 4
646mAh
7.5 W wired
OnePlus Ace 7 Pro
9,000mAh
100 W wired
Build
OnePlus Watch 4
43g
47.4 × 47.4 × 11 mm
IP68
OnePlus Ace 7 Pro
218g
162.3 × 77.4 × 8.5 mm
IP68
Connectivity
OnePlus Watch 4
Wi-FiBluetooth 5.2NFCNo
OnePlus Ace 7 Pro
5GWi-Fi 7Bluetooth 5.4NFCNano-SIM + Nano-SIMUSB Type-C 2.0

Specifications

OnePlus Watch 4

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

OnePlus Ace 7 Pro

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
4G bands
1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G bands
1, 3, 5, 8, 18, 26, 28, 34, 38, 39, 40, 41, 48, 66, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

OnePlus Watch 4

Announced
2026, April 22
Status
Available. Released 2026, April

OnePlus Ace 7 Pro

Announced
2026, October 29
Status
Available. Released 2026, October 29

OnePlus Watch 4

Dimensions
47.4 x 47.4 x 11 mm (1.87 x 1.87 x 0.43 in)
Weight
43 g (1.52 oz)
Build
Sapphire crystal front, titanium alloy frame, glass-fiber reinforced plastic back
SIM

No

5ATM water resistant

IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)

MIL-STD-810H compliant

ECG certified

OnePlus Ace 7 Pro

Dimensions
162.3 x 77.4 x 8.5 mm (6.39 x 3.05 x 0.33 in)
Weight
218 g or 225 g (7.69 oz)
Build
Glass front (Crystal Shield Glass), aluminum frame, glass back or glass-fiber reinforced 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)

Built-in bi-directional cooling fan

OnePlus Watch 4

Type
LTPO AMOLED, 600 nits (typ), 1600 nits (HBM), 3000 nits (peak)
Size
1.5 inches
Resolution
466 x 466 pixels (~310 ppi density)
Protection
Sapphire crystal glass

OnePlus Ace 7 Pro

Type
LTPO AMOLED1B colors185Hz3840Hz PWMHDR10+HDR Vivid1000 nits (HBM)2000 nits (peak)
Size
6.78 inches, 112.4 cm2 (~89.5% screen-to-body ratio)
Resolution
1272 x 2772 pixels, 19.5:9 ratio (~450 ppi density)
Protection
Crystal Shield Glass

OnePlus Watch 4

OS
OxygenOS Watch 8 + Wear OS 7.0
Chipset
Qualcomm Snapdragon W5 Gen 1 (4 nm)

OnePlus Ace 7 Pro

OS
Android 17, ColorOS 17
Chipset
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPU
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPU
Adreno 840

OnePlus Watch 4

Card slot
No
Internal
32GB 2GB RAM

OnePlus Ace 7 Pro

Card slot
No
Internal

256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM

UFS 4.1

OnePlus Watch 4

Not listed for this device

OnePlus Ace 7 Pro

Dual

200 MP, f/1.8, 23mm (wide), 1/1.56", 0.5µm, PDAF, OIS

50 MP, f/2.8, 80mm (periscope telephoto), PDAF, OIS, 3.5x optical zoom

Features
Color spectrum sensor, LED flash, HDR, panorama
Video
8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, OIS

OnePlus Watch 4

Not listed for this device

OnePlus Ace 7 Pro

Single
16 MP, f/2.4, 23mm (wide), 1/3", 1.0µm
Features
Panorama
Video
1080p@30fps, gyro-EIS

OnePlus Watch 4

Loudspeaker
Yes
3.5mm jack
No

OnePlus Ace 7 Pro

Loudspeaker
Yes, with stereo speakers
3.5mm jack
No

OnePlus Watch 4

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

OnePlus Ace 7 Pro

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
Bluetooth
5.4, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
Positioning
GPS (L1+L2+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5)
NFC
Yes
Infrared port
Yes
Radio
No
USB
USB Type-C 2.0

OnePlus Watch 4

Sensors
Accelerometergyrobarometercompassheart rateSpO2thermometer (skin temperature)

OnePlus Ace 7 Pro

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

OnePlus Watch 4

Type
Si/C Li-Ion 646 mAh
Charging
7.5W wired, 100% in 75 min

OnePlus Ace 7 Pro

Type
Si/C Li-Ion 9000 mAh
Charging

100W wired, 44W/100W UFCS, 55W PPS, 18W PD/QC, 60% in 30 min

Bypass charging

OnePlus Watch 4

Colors
Midnight Titanium, Evergreen Titanium

OnePlus Ace 7 Pro

Colors
Black, White, Blue
Models
PMS110
Price
About 650 EUR

OnePlus Watch 4

No

OnePlus Ace 7 Pro

Not listed for this device

How the OnePlus Watch 4 and OnePlus Ace 7 Pro differ

  • The OnePlus Ace 7 Pro has a larger battery, 9000 mAh against 646 mAh on the OnePlus Watch 4.
  • The OnePlus Ace 7 Pro has the bigger screen, 6.78 inches against 1.5 inches.
  • The OnePlus Ace 7 Pro offers more RAM, up to 16 GB against 2 GB.
  • The OnePlus Ace 7 Pro is the newer of the two, released in October 2026.