The most obvious difference between a 3- and 4-star hotel in Sai Ying Pun is the quality of service and availability of creature comforts. Three-star hotels are generally more economical and offer the services and conveniences you need for your comfort, such as breakfast, WiFi and a gym. You can expect a little bit more at a 4-star hotel — think upscale interiors, luxury toiletries and extra touches like day spas.