
SanDisk Ultra 64GB
Score: 81/100
Samsung EVO Select 256GB
Score: 87/100Rankings

The Samsung EVO Select 256 GB microSDXC delivers fast read performance, 4K-ready U3/V30 speeds and rugged durability, though write speed consistency varies between model variants.

The SanDisk Ultra 64 GB SDXC/UHS-I card delivers solid read performance and full durability, with an A1-rated microSD variant for Android apps. It's well-suited for Full HD shooting and everyday use, though it lacks the higher video classes needed for 4K workflows.
| Attribute | ![]() | ![]() |
|---|---|---|
64 GB | 256 GBbest | |
140 MB/sbest | 130 MB/s | |
80 MB/sbest | 30 MB/s | |
10 yearsbest | 10 yearsbest | |
| ↓ lower better | 4 g | 0.25 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage & Capacity(2) | ||
Capacity (GB) | 64 GB | 256 GB |
Card Type | SDXC | microSDXC |
Performance(4) | ||
UHS Speed Class | U1 | U3 |
Maximum Read Speed (MB/s) | 140 MB/s | 130 MB/s |
Maximum Write Speed (MB/s) | 80 MB/s | 30 MB/s |
Application Performance Class | A1 | A2 |
Compatibility(1) | ||
Compatible Devices | DSLRS, point‑and‑shoot cameras, camcorders, laptops, Android smartphones, tablets, action cameras (via adapter) | Android smartphones, tablets, Nintendo Switch, action cameras, drones, handheld gaming devices |
Physical(1) | ||
Weight (g) | 4.0 g | 0.25 g |

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

Professional reviewers describe the SanDisk Ultra 64 GB line as a solid mid-tier choice: the SD version delivers fast 140 MB/s reads and dependable Full HD performance, while the microSD version adds A1 app optimization. They commend its durability and value but note the lack of V30 or higher video class for professional 4K workflows.
Everyday users rate the cards around 4.6 / 5, praising their long-term reliability, fast transfers and ruggedness. Common praise includes surviving drops and even a washing-machine cycle. Complaints focus on the lack of 4K support, occasional fit or recognition problems, and slower-than-expected write speeds for large files.

“Great for capturing memories”

“Works flawlessly with my DSLR”

“Ideal for summer photos”




Professional reviewers consistently commend the EVO Select 256 GB for its high read speed, A2 application performance, and rugged build, positioning it as a strong value proposition for 4K video and gaming. However, they caution consumers to check the model number, as older variants lack the same performance and the warranty does not cover continuous write-intensive use.
Everyday users praise the card for its ample storage, fast transfers, and durability that survives harsh conditions, but many express frustration when receiving slower variants or encountering loose adapters.