Google Pixel 9a vs Samsung Galaxy Watch3

Specs comparison

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