
Sony TOUGH-G 128GB
Score: 88/100
Gigastone Micro SD Card 256GB
Score: 85/100Rankings

Sony's TOUGH-G 128 GB SDXC UHS-II card delivers industry-leading 300 MB/s read and 299 MB/s write speeds along with V90 video class for 8K recording, packaged in a rugged IP68-rated design. The card requires UHS-II hosts to achieve these speeds and is priced for professional use. Ideal for photographers and videographers needing top-tier performance.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GB | 256 GBbest | |
300 MB/sbest | 130 MB/s | |
299 MB/sbest | 85 MB/s | |
| ↓ lower better | 2 gbest | 20 g |
5 yearsbest | 5 yearsbest | |
| ↓ lower better | 2 mmbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 128 GB | 256 GB |
Performance(5) | ||
Read Speed (MB/s) | 300 MB/s | 130 MB/s |
Write Speed (MB/s) | 299 MB/s | 85 MB/s |
UHS Speed Class | U3 | UHS‑I U3 |
Video Speed Class | V90 | V30 |
Interface | UHS-II | UHS‑I |
Design(2) | ||
Form Factor | SDXC | microSDXC |
Weight (g) | 2 g | 20 g |
General(1) | ||
Compatibility | Backward Compatibility: UHS-I (up to 95 MB/s read, 90 MB/s write) | GoPro, Dash Cam, DJI, Drone, Security Camera, Nintendo Switch, smartphones, tablets, PCs, laptops, DSLRs, e-readers |

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

Professional reviewers highlight the card's ultra-high read/write speeds, V90 video performance, and rugged durability, noting its suitability for 8K video and demanding burst photography.

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.