Sony TOUGH-G 128GB
Score: 88/100
Delkin CFexpress 512GB
Score: 89/100Rankings
The Delkin 512 GB POWER 4.0 CFexpress Type B card delivers industry-leading read/write speeds up to 3650 MB/s and 3240 MB/s, built for rugged field work. Its limited compatibility and higher cost compared to other CFexpress options are trade-offs. Best for professional photographers and videographers needing ultra-fast off-load and high-bit-rate 8K/6K/4K capture.
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.
| Attribute | | |
|---|---|---|
128 GB | 512 GBbest | |
300 MB/s | 3,650 MB/sbest | |
299 MB/s | 3,240 MB/sbest | |
| ↓ lower better | 2 gbest | 22.68 g |
5 yearsbest | — | |
| ↓ lower better | 2 mmbest | 8.89 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 128 GB | 512 GB |
Performance(3) | ||
Read Speed (MB/s) | 300 MB/s | 3650 MB/s |
Write Speed (MB/s) | 299 MB/s | 3240 MB/s |
Interface | UHS-II | PCIe 4.0 x2 |
Design(3) | ||
Form Factor | SDXC | CFexpress Type B |
Weight (g) | 2 g | 22.68 g |
Thickness (mm) | 2 mm | 8.89 mm |
General(2) | ||
Warranty (years) | 5 years | lifetime years |
Compatibility | Backward Compatibility: UHS-I (up to 95 MB/s read, 90 MB/s write) | CFexpress Type B only |
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 Delkin POWER 4.0 for its high sequential speeds, exceptional thermal management, and proven reliability with cinematic cameras. While its sustained write performance is strong, it falls short of the Black series' benchmark, and its incompatibility with older card formats is noted as a limitation for mixed-system users.
Everyday users highlight the card's ruggedness and ability to handle continuous high-bit-rate recording without slowdown, appreciating the rapid off-load speeds that streamline post-production.
