Tool
Compare two products
Pick any two products from our reviews and see specifications, price, buyer ratings and our scores in one table.
Recorded evidence
What separates these listings
- Price snapshot
- $54.71 price gap
- Product B has the lower captured price. This excludes delivery and ongoing costs.
- Editorial assessment
- 0.4-point score gap
- Product A has the higher research score, not a measured performance advantage.
- Specification coverage
- 14 of 18 fields shared
- Shared labels have recorded values on both sides; matching labels do not guarantee matching units or test conditions.
Product A
SANDISK 256GB Extreme PRO SD Memory Card, Up to 200MB/s Read Speeds, UHS-I
- Potential fit
- Demanding 4K video and high-burst still photography
- Trade-off to resolve
- Noticeably higher price point
Product B
Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read
- Potential fit
- Budget-conscious 4K video capture and secondary cameras
- Trade-off to resolve
- Read speeds top out at 100MB/s
Side-by-side evidence
18 of 18 recorded specification fields shown
| Side by side |  |  |
|---|---|---|
| Buyer rating | 4.8 | 4.7 |
| Price | $89.85 | $35.14 |
| Our score | 8.0/10 | 7.6/10 |
| Ratings count | 71,185 ratings | 98,851 ratings |
| Brand | SANDISK | Amazon Basics |
| Best for | Demanding 4K video and high-burst still photography | Budget-conscious 4K video capture and secondary cameras |
| Read offload speed | 8.2/10 | — |
| Sustained write floor | 7.0/10 | — |
| Physical durability | 8.6/10 | — |
| Value for money | 6.8/10 | 6.4/10 |
| Camera compatibility | 9.2/10 | — |
| Sustained write speed | — | 7.2/10 |
| Read throughput | — | 7.8/10 |
| Environmental durability | — | 8.5/10 |
| Application performance | — | 8.0/10 |
| Memory Storage Capacity | 256 GB | 128 GB |
| Compatible Devices | Car Navigation Systems, Computers, Digital Cameras, Home Theatre Devices | Camera, Drone, Laptop, Smartphone, Tablet |
| Hardware Connectivity | SDXC | microSDXC |
| Item Weight | 2 g | 8.02 g |
| Item Dimensions L x W | 1.26"L x 0.9"W | 1.69"L x 0.3"W |
| Item Dimensions D x W x H | 0.04"D x 0.94"W x 1.1"H | 0.04"D x 0.59"W x 0.43"H |
| Flash Memory Type | SDXC | Micro SDXC |
| Additional Features | Temperature Proof, Water Proof, X Ray Proof | Magnetic Proof |
| Read Speed | 200 megabytes_per_second | 100 megabytes_per_second |
| Media Speed | 140 MB per second | 60 MB per second |
| Secure Digital Association Speed Class | Class 10 | Class 10 |
| Flash Memory Video Speed Class | V30 | Not recorded |
| Warranty Type | manufacturer | Limited |
| Color | Dark gray/Black | Not recorded |
| Model Name | SanDisk Extreme PRO SD UHS-I Card | LSMICRO128GU3 |
| Brand | Sandisk | Amazon Basics |
| Model Number | Not recorded | LSMICRO128GU3 |
| Manufacturer | Not recorded | Amazon |
| Our verdict | The Extreme PRO tier is built to maintain the write throughput needed for intensive burst photography and continuous 4K video. It represents a larger financial investment, but it protects against card-induced buffer lockups. Check whether your camera supports proprietary UHS-I overclocking to achieve the full 200MB/s transfer rate. | The U3 rating ensures a minimum sustained write speed of 30MB/s, making it suitable for moderate 4K video recording. The 100MB/s read ceiling limits offload speed compared to premium cards, but it remains a practical utility option. Confirm device compatibility with microSD adapters before relying on it for primary camera slots. |
| Pros and cons |
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Prices and buyer ratings are captured snapshots. A dash means the detail was not recorded, not that a feature is absent. Editorial scores are research assessments, not laboratory measurements.
Sources and limits
This page summarizes our research reviews of Amazon listings, listed specifications and captured buyer ratings. It is not a hands-on test. Scores are editorial assessments, not measured performance; prices are recorded snapshots and may change. A category can include both main products and accessories, so its overall price range is not the cost of a complete setup.
Most recent product record update: September 17, 2026. Individual records may be older; this is not a verification date for every claim. Prices on this page were read from the listings Nov 8, 2026 – Nov 11, 2026.
- Amazon listing: SANDISK 256GB Extreme PRO SD Memory Card, Up
- Amazon listing: Amazon Basics microSDXC Memory Card with Full Size
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