A few things actually separate the options here, and they are worth checking before a trip rather than after it.
What you are buying. General grocery, clothing and everyday services point toward the Galleries. Hardware, building materials, furniture, flooring and homeware point toward the Lifestyle Centre. Trying the wrong one for a specialist purchase is the most common wasted trip in the suburb.
Parking and access. Both centres have their own parking. Access routes differ, and the streets around them carry school and commuter traffic at predictable times of day. Check the approach before travelling at peak.
Whether the specific store is open. A centre's advertised hours and an individual store's hours are not the same thing. Gezina Galleries states this explicitly on its own site: individual store hours may vary from the centre's. Always confirm with the store rather than the centre if the trip depends on it.
Whether you need a branch or an agent. For banking, postal and similar services, a counter inside a centre may offer a narrower service than a full branch. Confirm before travelling for something specific.
Public holidays. Holiday trading differs from both weekday and weekend hours, and it is the single most common reason a trip fails. Centres and individual stores frequently publish different holiday arrangements, and they are often announced late. Treat any holiday hours you find anywhere, including here, as needing confirmation.
Whether it is worth staying local at all. For routine shopping the honest answer in Gezina is usually yes. For a purchase where you want several competing options side by side, the larger centres outside the suburb will give you more to compare. This site would rather say that than pretend everything is available here.
This site does not rate or rank shops, publish star ratings it has not been given, or repeat review scores it cannot show the source of. Where a business is profiled on its own page, the details there are checked against the business or an official source and carry the date they were checked.