ADATA vs Samsung SD Cards

Side-by-side price per gigabyte comparison across 38 products.

As of May 2026, ADATA averages $0.4037/GB across 9 products while Samsung averages $0.8325/GB across 29 products on BuyPerUnit. ADATA offers 52% better value per gigabyte for sd cards.

ADATA

Better Value
Avg $/GB$0.4037
Best $/GB$0.1471
Price Range$0.1471 – $1.0291
Products9

Samsung

Avg $/GB$0.8325
Best $/GB$0.2339
Price Range$0.2339 – $4.1793
Products29

Top Products Compared

RankBrandProductCapacity$/GBPriceRetailer
1ADATAADATA 512GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX512GUI3V30SA2-RA1)512GB$0.1471$75.33newegg
1Samsungsamsung evo plus microsd sdxc u3 class 10 a2 memory card 130mb/s with sd adapter 2021 (512gb)512GB$0.2339$119.75newegg
2ADATAADATA 128GB Premier microSDXC UHS-I / Class 10 Memory Card with SD Adapter, Speed Up to 85MB/s (AUSDX128GUICL10 85-RA1)128GB$0.1945$24.90newegg
2SamsungSamsung P9 Express microSD Express Card, 256GB microSDXC Memory Card, Up to 800 MB/s, for Nintendo-Switch ™ 2, (MB MK256T/AM)256 GB$0.2343$59.99amazon
3ADATAADATA 256GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUI3V30SA2-RA1)256GB$0.2126$54.43newegg
3SamsungSamsung EVO Select microSDMemory Card + Adapter, 512GB microSDXC, Up-to 160 MB/s, 4K UHD, UHS-I, C10, U3, V30, A2, for Mobile Phone, Smartphones, Nintendo-Switch, and Tablets (MB-ME512SA/AM)512 GB$0.2617$133.99amazon
4ADATAADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card64GB$0.3134$20.06newegg
4SamsungSamsung Sonic Pro Plus microSDXC Memory Card, UHS-I Interface, 512 GB, Read Speed up to 180MB/s, Increased Speed for Consoles, MB-MD512SA/LC1, with...512GB$0.2929$149.99newegg
5ADATAADATA 64GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX64GUI3V30SA2-RA1)64GB$0.3692$23.63newegg
5SamsungSamsung Sonic Pro Plus microSDXC Memory Card, UHS-I Interface, 512 GB, Read Speed up to 180MB/s, Increased Speed for Consoles, with SD Adapter512GB$0.2929$149.99newegg

Which Should You Buy?

Based on current pricing data, ADATA offers better overall value for sd cards at an average of $0.4037/GB compared to Samsung's $0.8325/GB — that's roughly 52% less per gigabyte.

ADATA's best deal is the ADATA 512GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX512GUI3V30SA2-RA1) (512GB) at $0.1471/GB, while Samsung's cheapest option is the samsung evo plus microsd sdxc u3 class 10 a2 memory card 130mb/s with sd adapter 2021 (512gb) (512GB) at $0.2339/GB.

However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.

Frequently Asked Questions

Is ADATA or Samsung cheaper per GB for sd cards?

As of May 2026, ADATA averages $0.4037/GB compared to Samsung at $0.8325/GB. ADATA is approximately 52% cheaper per gigabyte on average.

How many ADATA and Samsung sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 9 ADATA products and 29 Samsung products in the sd cards category, all ranked by price per gigabyte.

What is the cheapest ADATA sd card per GB?

The cheapest ADATA option is the ADATA 512GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX512GUI3V30SA2-RA1) at $0.1471/GB ($75.33 for 512GB).

What is the cheapest Samsung sd card per GB?

The cheapest Samsung option is the samsung evo plus microsd sdxc u3 class 10 a2 memory card 130mb/s with sd adapter 2021 (512gb) at $0.2339/GB ($119.75 for 512GB).

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