Gadget Gauges guides
Buying guides for phones, laptops, headphones, chargers and smart home devices. Each one starts from a specification sheet, a published repair manual or a battery number, explains what it means in plain language, and says when a claim cannot be checked.
Latest guide
Keeping a Device Running for Longer
Batteries, storage, thermal paste and dust decide how long a device stays usable. A few maintenance habits add years without opening the case.
Software Support and Update Promises
A device is finished when its software stops being updated, not when the hardware fails. Support length belongs in the buying decision.
- Support
- Buying
Refurbished and Used Devices: What to Check
Refurbished covers everything from a manufacturer repair to a wiped trade-in. Battery health, warranty terms and grading decide what arrives.
- Buying
- Repairability
How to Choose a Phone Without Overpaying
Flagship prices are justified by features most buyers never use. Here is where the money actually goes in a phone, and how to decide which tier you belong in.
- Phones
- Buying Guides
- Repairability
Tablets: When One Replaces a Laptop
A tablet replaces a laptop only when the software you need runs on it, not when the hardware is fast enough. Ports, file access and input decide.
- Laptops
- Buying
Smart Home Without the Subscription Trap
A cheap smart device often means a subscription, a cloud account and a shutdown date. Here is how to tell which products keep working when the service does not.
- Smart Home
- Buying Guides
Repairability: What to Check Before Buying
Repairability is decided at purchase, not when it breaks. Five published documents tell you whether a device can be kept alive or will be sealed for life.
- Repairability
- Buying Guides
Camera Specifications Versus Camera Results
Megapixels, sensor size and aperture describe the hardware. Processing, stabilisation and lens quality do most of the work in the photograph you get.
- Specs Explained
- Phones
USB-C Cables and Chargers Explained
Every USB-C plug fits every USB-C socket, and almost nothing else is guaranteed. Here is how to read wattage, data speed and video support before you buy.
- Chargers & Cables
- Buying Guides
Which Headphone Specs Matter, Which Do Not
Impedance, sensitivity, frequency range and driver size all appear on headphone boxes. Two of them tell you something useful, and one tells you almost nothing.
- Audio
- Specs Explained
Display Specs: Resolution and Refresh Rate
Resolution, refresh rate, brightness and colour coverage each describe something different, and only two of them are worth comparing across devices.
- Specs Explained
- Phones
How to Choose a Laptop for Four Years
Most laptops are decided at purchase, because memory and storage are usually fixed. Here is how to choose on the things you cannot change later.
- Laptops
- Buying Guides
Storage and Memory: How Much You Need
Storage can often be extended and memory usually cannot. Working out what each one limits, and when, stops you paying for headroom you never use.
- Specs Explained
- Laptops
How Battery Capacity and Charge Cycles Work
Battery numbers describe a tank and a lifespan, not a day of use. Here is how capacity, cycle ratings and heat decide how long a device stays useful.
- Batteries
- Specs Explained
How to Read a Phone Spec Sheet
A phone spec sheet records the decisions a manufacturer made, not the ones you will notice. Here is what each line describes and which numbers to compare.
- Specs Explained
- Phones