Nobody can give you a concrete answer as lights generally work well out of the box and last for years if you are considering reputable brands like Philips or Osram. Just go for whichever is within your budget and criteria (higher lumen, higher CRI etc)

I used Philips 12W downlight for my house. Very satisfied with the ambience and quality of the lighting. Lifespan can last 20,000hrs or abt 13 years with daily use 4hrs