
Sony TOUGH-G 128GB
Score: 90/100
ProGrade Digital Iridium 256GB
Score: 47/100Rankings

The Sony TOUGH-G 128 GB UHS-II card delivers world-class V90 performance and extreme ruggedness, making it perfect for 8K video workflows and demanding field conditions. Its ultra-fast 300 MB/s read and 299 MB/s write speeds set a high bar, though its larger dimensions may challenge tight camera bays.

The ProGrade Digital Iridium 256 GB UHS-II V90 SDXC card delivers ultra-fast read/write performance and rugged durability, making it ideal for high-bitrate 4K/6K video and RAW burst photography.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GB | 256 GBbest | |
300 MB/sbest | 300 MB/sbest | |
299 MB/sbest | 275 MB/s | |
5 yearsbest | 3 years | |
| ↓ lower better | 2 gbest | 15.9 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage & Capacity(1) | ||
Capacity (GB) | 128 GB | 256 GB |
Performance(1) | ||
Maximum Write Speed (MB/s) | 299 MB/s | 275 MB/s |
Warranty(1) | ||
Warranty Period (years) | 5 years | 3 years |
Physical(1) | ||
Weight (g) | 2 g | 15.9 g |


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

Professional reviewers consistently highlight the SF-G TOUGH's unparalleled durability and speed, calling it the "world's toughest SD card" and noting its V90 rating as essential for 8K video workflows.
Everyday users praise the card's solid feel, extreme durability, and fast performance for burst shooting and high-resolution video, while noting fit issues in cramped slots and the lack of a write-protect switch.

Professional reviewers from B&H, Leica Camera USA and Filmtools commend the Iridium 256 GB card for its rock-solid reliability, V90 certification and error-correction, highlighting its suitability for high-end DSLR, mirrorless and cinema cameras.
Everyday users consistently rate the card five stars, praising flawless 4K recording, lack of dropped frames and the usefulness of Refresh Pro™.
“feeling more substantial”

“I had to sand the card down to fit in a Panasonic camera.”

“no dropped frames or errors”

