"Coming into a new season, turning over a new leaf, we really wanted to get off on the right foot," said Hamilton, who missed out on the title last year by a single point to Ferrari's Kimi Raikkonen.
"It's quite different to my first win in Montreal, just because that was really not expected," he added.
"This win perhaps feels better than any because I feel I've improved in many areas.
"I wouldn't say it's the perfect win... but I think in terms of managing my tyres, controlling my pace and confidence and being comfortable in the car, it's the best race I've had so far," Hamilton said.
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