ADATA vs Samsung SD Cards

Side-by-side price per gigabyte comparison across 39 products.

As of May 2026, ADATA averages $0.3845/GB across 10 products while Samsung averages $0.8274/GB across 29 products on BuyPerUnit. ADATA offers 54% better value per gigabyte for sd cards.

ADATA

Better Value

Avg $/GB$0.3845

Best $/GB$0.1799

Price Range$0.1799 – $1.0291

Products10

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 · $92.13 · newegg

Samsung

Avg $/GB$0.8274

Best $/GB$0.2339

Price Range$0.2339 – $4.1793

Products29

Cheapest Product

samsung evo plus microsd sdxc u3 class 10 a2 memory card 130mb/s with sd adapter 2021 (512gb)

512GB · $119.75 · newegg

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	$0.1799	$92.13	newegg
1	Samsung	samsung evo plus microsd sdxc u3 class 10 a2 memory card 130mb/s with sd adapter 2021 (512gb)	512GB	$0.2339	$119.75	newegg
2	ADATA	ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1)	256GB	$0.1836	$46.99	newegg
2	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	$0.2617	$133.99	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 microSDXC T7 1TB, Transfer Speeds Up to 170 MB/s, Made for Casual Gamers, Amateur Creators, & Everyday Users (MB-MB1T0T/AM)	1 TB	$0.2700	$269.99	amazon
4	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	$0.2126	$54.43	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	$0.2875	$73.60	amazon
5	ADATA	ADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card	64GB	$0.3145	$20.13	newegg
5	Samsung	Samsung 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	$149.99	newegg

Which Should You Buy?

Based on current pricing data, ADATA offers better overall value for sd cards at an average of $0.3845/GB compared to Samsung's $0.8274/GB — that's roughly 54% 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 $0.1799/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 $0.3845/GB compared to Samsung at $0.8274/GB. ADATA is approximately 54% cheaper per gigabyte on average.

How many ADATA and Samsung sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 10 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 $0.1799/GB ($92.13 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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