SanDisk Extreme 128GB microSD vs SanDisk Ultra 64GB microSDXC UHS-I Memory Card
Specs compared
| Spec | SanDisk Extreme 128GB microSD | SanDisk Ultra 64GB microSDXC UHS-I Memory Card |
|---|---|---|
| Capacity | 128GB | 64GB |
| Interface | microSDXC UHS-I U3 | microSD UHS-I |
| Form Factor | microSD | microSD |
| Read Speed | 160 MB/s | 100 MB/s |
| Write Speed | 90 MB/s | 20 MB/s |
| Endurance | — | — |
| Warranty | 5 years | 10 years |
| Value Score | 48.5 | 42.1 |
| Price / TB | $468.67/TB | $390.47/TB |
| Current Price | $59.99 | $24.99 |
Our verdict
SanDisk Extreme 128GB microSD slightly wins our Value Score comparison (48.5 vs 42.1), making it the better-value memory cards at current Amazon prices. The SanDisk Extreme 128GB microSD offers 128GB of storage vs 64GB for the SanDisk Ultra 64GB microSDXC UHS-I Memory Card. The SanDisk Ultra 64GB microSDXC UHS-I Memory Card is cheaper at $24.99 vs $59.99, so if budget is the priority, consider it as an alternative. Value Score is calculated daily from price, price per TB, read speed, endurance TBW, and warranty — so rankings shift as prices change. Check back to see if today's winner still leads.
Value Score combines price per TB (35%), speed (25%), endurance (20%), warranty (10%), and reviews (10%). Updated daily from Amazon.