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Sony
Sony TOUGH SF-G Series UHS-II SD 128GB
$343
Released 2018
Best Memory Cards · head-to-head
Sony TOUGH SF-G Series UHS-II SD 128GB vs PNY Elite-X microSDXC 256GB
A sourced, side-by-side comparison. Sony TOUGH SF-G Series UHS-II SD 128GB is cheaper at $343. Every spec and price links to its source.
PNY
PNY Elite-X microSDXC 256GB
—
Released 2018
Which is better: the Sony TOUGH SF-G Series UHS-II SD 128GB or PNY Elite-X microSDXC 256GB?
They split the 2 specs we compare evenly.
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Key specs, head to head
The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Sony TOUGH SF-G Series UHS-II SD 128GB | PNY Elite-X microSDXC 256GB |
|---|---|---|
| US price | $343 | — |
| Brand | Sony | PNY |
| Released | 2018 | 2018 |
| Format | sd | microsd |
| Capacity (GB) | 128 | 256 |
| Speed class | v90 | u3_v30 |
| Max read (Mbps) | 300 | 100 |
| Max write (Mbps) | 299 | — |
| Application class | — | a1 |
| Warranty | 5 years limited | limited lifetime |
| Release | 2018 | 2018 |
Sources — Sony TOUGH SF-G Series UHS-II SD 128GB: amazon.com (verified 2026-06-19). PNY Elite-X microSDXC 256GB: amazon.com (verified 2026-06-19).
What's the difference between the Sony TOUGH SF-G Series UHS-II SD 128GB and PNY Elite-X microSDXC 256GB?
Where the two actually differ on the specs we track (5 of 7). Matching specs are omitted.
- Format: Sony TOUGH SF-G Series UHS-II SD 128GB sd vs PNY Elite-X microSDXC 256GB microsd
- Capacity (GB): Sony TOUGH SF-G Series UHS-II SD 128GB 128 vs PNY Elite-X microSDXC 256GB 256
- Speed class: Sony TOUGH SF-G Series UHS-II SD 128GB v90 vs PNY Elite-X microSDXC 256GB u3_v30
- Max read (Mbps): Sony TOUGH SF-G Series UHS-II SD 128GB 300 vs PNY Elite-X microSDXC 256GB 100
- Warranty: Sony TOUGH SF-G Series UHS-II SD 128GB 5 years limited vs PNY Elite-X microSDXC 256GB limited lifetime
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Sony TOUGH SF-G Series UHS-II SD 128GB
Only one outlet actually benchmarked the card. TechRadar's May 2025 SD card guide measured 251MB/s read and 246MB/s write and called them "very impressive", while praising the resin-moulded rugged build and flagging the price and the 128GB capacity ceiling. TechRadar does not state which capacity it tested (its spec box even lists the card type as SDHC, which cannot be right for 128GB), so the numbers are attributable to the SF-G TOUGH UHS-II line rather than verifiably to the 128GB trim. Engadget's 2018 launch piece is news, not a test: it confirms the durability claims and adds the missing write-protect switch and the $276 launch price for 128GB, but every speed figure in it comes from Sony. (2 sourced reviews, 1 lab-tested.)
Praised: Rugged sealed one-piece build: bend-proof, drop-proof, waterproof, dustproof; Measured 251MB/s read and 246MB/s write, described as very impressive; Built with professional use in mind, usable in harsh conditions.
Flagged: Costs noticeably more than rival cards, including the non-Tough version; No write-protect switch, a side effect of the sealed design; Capacity tops out at 128GB.
PNY Elite-X microSDXC 256GB
No sourced tester review yet.