Electronics
Processor generation names are marketing gradients. What you feel daily is memory, storage speed, screen quality and whether the machine throttles under load.
A few questions about your situation, not about the product.
Answer all 3 questions to see the spec sheet to shop with.
The chip family (i5/i7, Ryzen 5/7, M-series) plus how new it is.
Why it matters
A current-gen mid chip beats a two-generation-old high-end chip on battery and heat.
What to check
U/低-power suffixes are efficient, H/HX are fast and hot. Match the suffix to your use, not the number.
Working memory for open apps and browser tabs.
Why it matters
16 GB is the current comfortable floor; 8 GB starts swapping with a browser and one heavy app.
What to check
Soldered RAM cannot be upgraded later — check for a free SO-DIMM slot if you buy 8 GB.
How fast files and the OS load.
Why it matters
NVMe boots and opens projects several times faster than SATA; eMMC is painfully slow.
What to check
512 GB NVMe is the sane baseline; check whether a second M.2 slot exists.
Brightness, IPS vs TN vs OLED, and sRGB coverage.
Why it matters
300 nits is unusable outdoors; 100% sRGB matters for any photo or design work.
What to check
'FHD display' with no nits or panel type listed usually means a dim 250-nit TN panel.
Watt-hours is real capacity; 'up to 12 hours' is a lab loop.
Why it matters
Wh divided by realistic 8–15 W draw gives you a truer estimate.
What to check
Under 50 Wh in a 15-inch laptop means you carry the charger everywhere.
Whether the cooling keeps the chip fast after 10 minutes.
Why it matters
Thin machines often drop to half speed under continuous load — the spec sheet never says this.
What to check
Look for a sustained-load review of that exact model, not just the chip.
USB-C with Power Delivery, HDMI, card reader, Thunderbolt.
Why it matters
USB-C PD charging means one charger for laptop and phone; missing HDMI means dongles forever.
What to check
Confirm the USB-C port supports both display output and charging — many only do data.
Spend on RAM and screen before chasing the next CPU tier.
