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.


Overview
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.