Overview
I spent a week with both of these budget laptops to figure out whether the price gap is justified. The Lenovo IdeaPad Slim 5 against the Acer Aspire Go 15. At this price range is a 50% premium. That’s significant. Is the IdeaPad actually worth it, or does the Aspire Go deliver enough for most people?
Performance
The IdeaPad Slim 5’s Ryzen 7 7735U is a clear step up from the Aspire Go’s Ryzen 5 7520U. In multi-threaded workloads like compressing files, batch photo editing, or running multiple apps at once, the Ryzen 7 pulled ahead by 30 to 40% in my tests.
For everyday tasks (browsing, email, documents, video streaming) both laptops felt responsive. The difference showed up when I pushed them harder. The IdeaPad handled 20+ Chrome tabs and a Zoom call without stuttering. The Aspire Go started lagging around 12 to 15 tabs with the same setup.
Winner: IdeaPad Slim 5. Meaningfully faster in real multitasking.
RAM and Storage
This is where the difference hits hardest. The IdeaPad comes with 16 GB of RAM and a 512 GB SSD. The Aspire Go ships with 8 GB of RAM and a 256 GB SSD.
8 GB is workable for light use in 2026, but it’s tight. Windows 11 uses 3 to 4 GB at idle, leaving 4 to 5 GB for your apps. I hit that ceiling repeatedly during heavy multitasking. 16 GB gives you comfortable headroom.
256 GB of storage fills up fast. After Windows, updates, and a handful of apps, I had maybe 150 GB of usable space on the Aspire Go. The 512 GB in the IdeaPad is far more livable.
Winner: IdeaPad Slim 5. Double the RAM and double the storage.
Display
Both laptops have 15.6” IPS panels at 1920x1080. The IdeaPad has slightly better brightness (300 nits vs 250 nits) and wider color coverage. In practice, both are fine for indoor use. The Aspire Go’s dimmer panel was noticeable in bright rooms but not a dealbreaker.
Winner: IdeaPad Slim 5. Marginally, on brightness.
Build Quality
The IdeaPad Slim 5 has an aluminum lid that gives it a more premium feel. The Aspire Go 15 is all-plastic. Both are fine for the price, but the IdeaPad looks and feels a tier above. I kept picking it up and thinking it cost more than it does.
The IdeaPad is also lighter at 3.5 lbs vs the Aspire Go’s 3.8 lbs. Not a huge difference, but I noticed it in my backpack.
Winner: IdeaPad Slim 5. Aluminum lid, lighter weight.
Battery Life
The IdeaPad got me 8 to 9 hours of real productivity use. The Aspire Go managed 7 to 8 hours. Both are solid and will get you through a work or school day.
Winner: IdeaPad Slim 5. By about an hour.
Value
Here’s the real question: is the IdeaPad Slim 5 worth a bit more? Yes. The jump from 8 GB to 16 GB RAM alone is worth to me, and the storage and build quality improvements account for the rest. The Aspire Go 15 is a good laptop for extremely tight budgets, but anyone who can stretch to should.
Verdict
The Lenovo IdeaPad Slim 5 wins this comparison. Double the RAM, double the storage, better build, faster processor. The the premium is justified. The Acer Aspire Go 15 remains a solid pick if is a hard ceiling. It handles basic tasks well and doesn’t feel cheap to use. But if your budget has any flexibility at all, the IdeaPad is the better investment.