Delkin Power 128GB
Score: 83/100
Sony Tough G Series 256GB
Score: 92/100Rankings
The Sony SF-G TOUGH 256 GB UHS-II SDXC card delivers industry-leading 300 MB/s read and 299 MB/s write speeds with V90 video class and IP68 ruggedness. Its drawbacks are the lack of a write-protect switch, premium price, and dependence on UHS-II hosts for maximum performance. Ideal for professional videographers and photographers needing ultra-fast, durable storage for 8K video and harsh field conditions.
Delkin Devices Power 128 GB is a UHS-II SDXC card delivering V90 speeds up to 300 MB/s read and 250 MB/s write, built for rugged field use. Real-world write performance is slightly lower and speed advantage disappears on UHS-I only gear. Ideal for professionals needing durable, high-speed storage with a lifetime warranty.
| Attribute | | |
|---|---|---|
128 GB | 256 GBbest | |
300 MB/sbest | 300 MB/sbest | |
250 MB/s | 299 MB/sbest | |
| ↓ lower better | 45 g | 2 gbest |
— | 5 yearsbest | |
| ↓ lower better | 2.5 mm | 2.1 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(1) | ||
Write Speed (MB/s) | 250 MB/s | 299 MB/s |
Design(2) | ||
Weight (g) | 45 g | 2 g |
Thickness (mm) | 2.5 mm | 2.1 mm |
General(1) | ||
Warranty (years) | lifetime years | 5 years |
Products in the top-left offer the best value (high score, low price).
Professional reviewers consistently commend the Power 128 GB card for delivering near-spec V90 speeds, robust shock resistance, and an industry-leading lifetime warranty with fast replacement. However, they also note that real-world write performance falls short of the advertised peak and that the card's advantage diminishes in UHS-I-only equipment.
No direct consumer reviews were found; most online listings only repeat retailer specifications, so everyday user sentiment is largely unavailable.
Professional reviewers consistently commend the SF-G TOUGH for its industry-leading read/write speeds and rugged construction, noting that the V90 class and IP68 rating make it a reliable choice for 8K video, high-speed burst photography, and harsh field conditions.
The SF-G TOUGH is praised for its ultra-fast performance and rugged durability, though users note the lack of a write-protect switch and higher cost as trade-offs.
