ADATA vs Samsung SD Cards

Side-by-side price per gigabyte comparison across 28 products.

As of March 2026, ADATA averages $0.3618/GB across 8 products while Samsung averages $0.4577/GB across 20 products on BuyPerUnit. ADATA offers 21% better value per gigabyte for sd cards.

ADATA

Better Value
Avg $/GB$0.3618
Best $/GB$0.1361
Price Range$0.1361 – $1.0094
Products8

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$0.1361$69.67newegg
1SamsungSamsung 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$0.1308$66.99amazon
2ADATAADATA 256GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUI3V30SA2-RA1)256GB$0.1562$39.99newegg
2SamsungSAMSUNG EVO Select Micro SD-Memory-Card + Adapter, 512GB microSDXC 130MB/s Full HD & 4K UHD, UHS-I, U3, A2, V30, Expanded Storage for Android Smartphones, Tablets, Nintendo-Switch (MB-ME512KA/AM)512 GB$0.1387$70.99amazon
3ADATAADATA 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
3SamsungSAMSUNG EVO Select Micro SD-Memory-Card + Adapter, 256GB microSDXC 130MB/s Full HD & 4K UHD, UHS-I, U3, A2, V30, Expanded Storage for Android Smartphones, Tablets, Nintendo-Switch (MB-ME256KA/AM)256 GB$0.1640$41.99amazon
4ADATAADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card64GB$0.2238$14.32newegg
4SamsungSamsung P9 Express microSD Express Card, 256GB microSDXC Memory Card, Up to 800 MB/s, for Nintendo-Switch ™ 2, (MB MK256T/AM)256 GB$0.1757$44.99amazon
5ADATA512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0512GB$0.3678$188.33newegg
5SamsungSamsung - Pro Ultimate and Reader 512GB microSDXC Memory Card512 GB$0.1777$90.99bestbuy

Which Should You Buy?

Based on current pricing data, ADATA offers better overall value for sd cards at an average of $0.3618/GB compared to Samsung's $0.4577/GB — that's roughly 21% 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 $0.1361/GB, while Samsung's cheapest option is the Samsung 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) at $0.1308/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 March 2026, ADATA averages $0.3618/GB compared to Samsung at $0.4577/GB. ADATA is approximately 21% cheaper per gigabyte on average.

How many ADATA and Samsung sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 8 ADATA products and 20 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 $0.1361/GB ($69.67 for 512GB).

What is the cheapest Samsung sd card per GB?

The cheapest Samsung option is the Samsung 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) at $0.1308/GB ($66.99 for 512 GB).

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