Samsung Galaxy Watch3 vs Google Pixel 9a

Specs comparison

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Samsung Samsung Galaxy Watch3 View Specs Change
Google Google Pixel 9a View Specs Change
Brand Samsung Google
Versions SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only) GXQ96 (USA); GTF7P (International); G3Y12 (Japan)
Announced 2020, August 05 2025, March 19
Released 2020, August 06 2025, April 10
Availability Available —
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
2G Bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Bands HSDPA 850 / 900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G Bands 1, 3, 5, 7, 8, 20 1, 2, 3, 4, 5, 7, 8, 12, 14, 17, 18, 19, 20, 21, 26, 28, 32, 38, 39, 40, 41, 42, 66, 75 - International1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 71 - USA
5G Bands — 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 66, 75, 77, 78, 79 SA/NSA/Sub6 - International1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 70, 71, 77, 78 SA/NSA/Sub6 - USA
Speed HSPA, LTE HSPA, LTE, 5G
Dimensions 45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm 154.7 x 73.3 x 8.9 mm(6.09 x 2.89 x 0.35 in)
Weight 53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best 186 g (6.56 oz)
Build Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel Glass front (Gorilla Glass 3), aluminum frame, plastic back
SIM eSIM (LTE models) Nano-SIM +eSIM
Protection / IP Rating IP68 dust/water resistant, 5ATMMIL-STD-810G compliant IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Display Type Super AMOLED P-OLED
Display Size 1.4 inches 6.3 inches, 94.7 cm2(~83.5% screen-to-body ratio) Best
Resolution 360 x 360 pixels 1080 x 2424 pixels, 20:9 ratio
Pixel Density ~364 ppi ~422 ppi Best
Refresh Rate 60Hz 120Hz Best
Peak Brightness — 1800 nits (HBM), 2700 nits (peak)
Protection Corning Gorilla Glass DX Corning Gorilla Glass 3
Display Features Always-On-Display HDR
Operating System Tizen Android
OS Version 5.5 15
Update Support — Upgradable to Android 16Up to 7 major Android upgrades
User Interface — Pixel UI
Chipset Exynos 9110 (10 nm) Google Tensor G4 (4 nm)
CPU Dual-core 1.15 GHz Cortex-A53 Octa-core (1x3.1 GHz Cortex-X4 & 3x2.6 GHz Cortex-A720 & 4x1.9 GHz Cortex-A520)
GPU Mali-T720 Mali-G715 MP7
RAM Options 1GB 8GB
Storage Options 4GB / 1GB RAM8GB / 1GB RAM 128GB / 8GB RAM256GB / 8GB RAM
Storage Type eMMC UFS 3.1
Card Slot No No
Cameras — Dual camera
Modules No Camera 48 MP, f/1.7, 25mm (wide), 1/2.0", 0.8µm, dual pixel PDAF, OIS13 MP, f/2.2, 120˚ (ultrawide), 1/3.1", 1.12µm
Features — Dual-LED flash, Pixel Shift, Ultra HDR, panorama, Best Take
Video — 4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS
Cameras — Single camera
Modules No Camera 13 MP, f/2.2, 20mm (ultrawide), 1/3.1", 1.12µm
Features — HDR, panorama
Video — 4K@30fps, 1080p@30fps
Loudspeaker Yes Yes, with stereo speakers
Audio Jack No No
Audio Codec Not Available AAC, aptX, aptX HD, LDAC
WLAN Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac/6e, dual/tri-band (market/region dependent)
Bluetooth 5.0, A2DP, LE 5.3, A2DP, LE
GPS / Positioning GPS, GLONASS, GALILEO, BDS GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC
NFC Yes Yes
Radio No No
USB No USB Type-C 3.2
Fingerprint No Yes (Under Display)
Face Unlock No Yes, Class 3 (Biometric Secure / Payment-grade)
Sensors Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG) Accelerometer, Gyro, Proximity, Compass, Barometer
Other Features ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions Circle to Search
Battery Type Li-Ion Li-Po
Battery Capacity 340 mAh (45mm)247 mAh (41mm) 5100 mAh Best
Wired Charging N/A 23W wired, PD3.0
Wireless Charging Wireless (WPC-based) 7.5W wirelessBypass charging
Reverse Wireless Charging N/A No
Colours Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium Obsidian, Porcelain, Iris, Peony
Models SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U GXQ96, GTF7P, G3Y12
SAR EU — 0.99 W/kg (head) 1.39 W/kg (body)

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