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

Cheapest Product

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 · $69.67 · newegg

Samsung

Avg $/GB$0.4577

Best $/GB$0.1308

Price Range$0.1308 – $2.1869

Products20

Cheapest Product

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 · $66.99 · amazon

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	ADATA	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	$0.1361	$69.67	newegg
1	Samsung	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	$0.1308	$66.99	amazon
2	ADATA	ADATA 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	$39.99	newegg
2	Samsung	SAMSUNG 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	$70.99	amazon
3	ADATA	ADATA 128GB Premier microSDXC UHS-I / Class 10 Memory Card with SD Adapter, Speed Up to 85MB/s (AUSDX128GUICL10 85-RA1)	128GB	$0.1945	$24.90	newegg
3	Samsung	SAMSUNG 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	$41.99	amazon
4	ADATA	ADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card	64GB	$0.2238	$14.32	newegg
4	Samsung	Samsung 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	$44.99	amazon
5	ADATA	512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0	512GB	$0.3678	$188.33	newegg
5	Samsung	Samsung - Pro Ultimate and Reader 512GB microSDXC Memory Card	512 GB	$0.1777	$90.99	bestbuy

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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