Compare / Nothing CMF Watch 3 Pro vs Nothing Phone (4b)

Nothing CMF Watch 3 Pro vs Nothing Phone (4b)

A side-by-side comparison of the Nothing CMF Watch 3 Pro and the Nothing Phone (4b), covering display, chipset, memory, camera, battery and build.

Overview

Display
Nothing CMF Watch 3 Pro
1.43inch
AMOLED
466 × 466 · 326 PPI
Nothing Phone (4b)
6.77inch
AMOLED · 120 Hz
1080 × 2344 · 381 PPI
Chip
Nothing CMF Watch 3 Pro
—
Nothing Phone (4b)
Qualcomm Snapdragon 6 Gen 4 (4 nm)
Octa-core (1x2.3 GHz Cortex-A720s & 3x2.2 GHz Cortex-A720s & 4x1.8 GHz Cortex-A520s)
Adreno 810 · Android 16
Memory
Nothing CMF Watch 3 Pro
No card slot
Nothing Phone (4b)
8GB RAM
128 GB · 256 GB storage
No card slot
Camera
Nothing CMF Watch 3 Pro
—
Nothing Phone (4b)
50MP Main
8 MP Ultra Wide
16 MP selfie
4K@30fps video
Battery
Nothing CMF Watch 3 Pro
350mAh
Nothing Phone (4b)
5,200mAh
33 W wired
Build
Nothing CMF Watch 3 Pro
51g
47 × 47 × 14.4 mm
IP68
Nothing Phone (4b)
210g
164.4 × 78.2 × 8.6 mm
IP64
Connectivity
Nothing CMF Watch 3 Pro
Wi-FiBluetooth 5.3No
Nothing Phone (4b)
5GWi-Fi 6Bluetooth 6.0NFCNano-SIM + Nano-SIMUSB Type-C 2.0

Specifications

Nothing CMF Watch 3 Pro

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

Nothing Phone (4b)

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International

HSDPA 850 / 900 / 2100 - India

4G bands

1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 42, 66, 71 - International

1, 3, 5, 8, 28, 38, 40, 41 - India

5G bands

1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA - International

1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA - India

Speed
HSPA, LTE, 5G

Nothing CMF Watch 3 Pro

Announced
2025, July 22
Status
Available. Released 2025, July 22

Nothing Phone (4b)

Announced
2026, July 07
Status
Available. Released 2026, July 17

Nothing CMF Watch 3 Pro

Dimensions
47 x 47 x 14.4 mm (1.85 x 1.85 x 0.57 in)
Weight
51 g (1.80 oz)
Build
Glass front, aluminum frame
SIM

No

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

Nothing Phone (4b)

Dimensions
164.4 x 78.2 x 8.6 mm (6.47 x 3.08 x 0.34 in)
Weight
210 g (7.41 oz)
Build
Glass front, plastic frame, plastic back
SIM

Nano-SIM + Nano-SIM

IP64 dust tight and water resistant (water splashes)

Manufacturer-rated water-resistant (up to 25cm for 20 min)

Notification LED (on the back)

Nothing CMF Watch 3 Pro

Type
AMOLED, 650 nits (typ)
Size
1.43 inches
Resolution
466 x 466 pixels (~326 ppi density)

Nothing Phone (4b)

Type
AMOLED120Hz480Hz PWM600 nits (typ)1200 nits (HBM)2000 nits (peak)
Size
6.77 inches, 112.4 cm2 (~87.4% screen-to-body ratio)
Resolution
1080 x 2344 pixels, 19.5:9 ratio (~381 ppi density)
Protection
Dragontail Pro Glass

Nothing CMF Watch 3 Pro

Not listed for this device

Nothing Phone (4b)

OS
Android 16, Nothing OS 4.1, up to 3 major OS updates
Chipset
Qualcomm Snapdragon 6 Gen 4 (4 nm)
CPU
Octa-core (1x2.3 GHz Cortex-A720s & 3x2.2 GHz Cortex-A720s & 4x1.8 GHz Cortex-A520s)
GPU
Adreno 810

Nothing CMF Watch 3 Pro

Card slot
No
Phonebook
No
Call records
Yes
Internal
256 MB

Nothing Phone (4b)

Card slot
No
Internal

128GB 8GB RAM, 256GB 8GB RAM

UFS 2.2

Nothing CMF Watch 3 Pro

Not listed for this device

Nothing Phone (4b)

Dual

50 MP, f/1.8, (wide), 1/2.76", PDAF, OIS

8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm

Features
LED flash, panorama, Ultra XDR
Video
4K@30fps, 1080p@30/60/120fps, gyro-EIS

Nothing CMF Watch 3 Pro

Not listed for this device

Nothing Phone (4b)

Single
16 MP, f/2.4, (wide), 1/3.0"
Video
1080p@30fps

Nothing CMF Watch 3 Pro

Loudspeaker
Yes
3.5mm jack
No

Nothing Phone (4b)

Loudspeaker
Yes, with stereo speakers
3.5mm jack
No

Nothing CMF Watch 3 Pro

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

Nothing Phone (4b)

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
6.0, A2DP, LE
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Yes (market/region dependent)
Radio
No
USB
USB Type-C 2.0, OTG

Nothing CMF Watch 3 Pro

Sensors
Accelerometer, gyro, heart rate, SpO2
Messaging
SMS(threaded view), Email, IM
Games
No
Java
No

Nothing Phone (4b)

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

Nothing CMF Watch 3 Pro

Type
Li-Ion 350 mAh

Nothing Phone (4b)

Type

5200 mAh - International

6000 mAh - India

Charging

33W wired, PPS, UFCS, PD

7.5W reverse wired

Nothing CMF Watch 3 Pro

Colors
Dark Grey, Light Grey
Models
D399
Price
About 70 EUR

Nothing Phone (4b)

Colors
White, Black, Blue
Models
A009P
Price
£ 299.00 / € 329.00

Nothing CMF Watch 3 Pro

No

Nothing Phone (4b)

Not listed for this device

How the Nothing CMF Watch 3 Pro and Nothing Phone (4b) differ

  • The Nothing Phone (4b) has a larger battery, 5200 mAh against 350 mAh on the Nothing CMF Watch 3 Pro.
  • The Nothing Phone (4b) has the bigger screen, 6.77 inches against 1.43 inches.
  • The Nothing Phone (4b) is the newer of the two, released in July 2026.