
Gigastone Micro SD Card 256GB
Score: 85/100
Lexar Blue 1TB
Score: 75/100Rankings

Gigastone's 256 GB microSDXC delivers fast up to 130 MB/s reads, rugged waterproof and shockproof construction, and broad device compatibility, all with a 5-year warranty. The UHS-I interface caps peak performance and speed claims can be inconsistent, so buyers should verify authenticity. Ideal for budget-conscious creators and gamers who need reliable 4K storage.

Lexar 1TB Blue microSDXC provides a massive 1 TB capacity with IPX7 waterproof and shock-resistant construction, targeting gamers and mobile creators. Real-world read/write speeds fall short of the advertised 160 MB/s peak, and optimal performance requires a Lexar USB 3.1 reader. Suitable for users needing high capacity and decent speed for apps and media.
| Attribute | ![]() | ![]() |
|---|---|---|
256 GB | 1,024 GBbest | |
130 MB/s | 160 MB/sbest | |
85 MB/sbest | 62 MB/s | |
| ↓ lower better | 20 g | 0.25 gbest |
5 years | 10 yearsbest | |
| ↓ lower better | — | 0.7 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 256 GB | 1024 GB |
Performance(5) | ||
Read Speed (MB/s) | 130 MB/s | 160 MB/s |
Write Speed (MB/s) | 85 MB/s | 62 MB/s |
Speed Class | Class 10 | C10 |
UHS Speed Class | UHS‑I U3 | UHS-I |
Interface | UHS‑I | UHS-I |
Design(1) | ||
Weight (g) | 20 g | 0.25 g |
General(2) | ||
Warranty (years) | 5 years | 10 years |
Compatibility | GoPro, Dash Cam, DJI, Drone, Security Camera, Nintendo Switch, smartphones, tablets, PCs, laptops, DSLRs, e-readers | Nintendo Switch, smartphones, tablets, action cameras |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the Gigastone 256 GB 4K Pro for its fast read speeds, solid V30/U3 rating, and rugged build, making it a capable choice for 4K video and gaming on a budget. However, they caution that the UHS-I interface limits peak performance, independent benchmarks are lacking, and there are documented counterfeit concerns, which together temper enthusiasm for demanding professional workflows.
Everyday users generally appreciate the card's ability to handle 4K video on devices like GoPro and Nintendo Switch, its quick transfer times, and the peace of mind offered by the free data recovery warranty. Recurring themes include satisfaction with durability and convenience of the included adapter, alongside worries about possible counterfeit units and occasional speed drops when the card fills up.

“"crazy that we're holding one terabyte in the palm of our hand"”

“"might slow down a little bit"”




Professional reviewers praised the Lexar 1TB Blue for its astonishing capacity and solid real-world speeds, noting that it delivers about 97 MB/s read and 62 MB/s write without the need for a high-end reader. They highlighted the added value of a clear storage case and a five-year warranty, but cautioned that the advertised 160 MB/s peak requires Lexar's own USB 3.1 readers and that write performance can degrade during long recordings.
Everyday users love the massive 1TB space for gaming and media, citing fast initial transfers and reliable Switch game installs. However, many complain about write-speed throttling during extended use and the necessity of a specific Lexar reader to unlock full read performance, leading to mixed feelings about consistency versus advertised specs.