ADATA vs Samsung SD Cards

Side-by-side price per gigabyte comparison across 53 products.

As of October 2026, ADATA averages $0.3632/GB across 6 products while Samsung averages $0.6490/GB across 47 products on BuyPerUnit. ADATA offers 44% better value per gigabyte for sd cards.

ADATA

Better Value

Avg $/GB$0.3632

Best $/GB$0.1953

Price Range$0.1953 – $0.7962

Products6

Cheapest Product

ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1)

256GB · $49.99 · newegg

Samsung

Avg $/GB$0.6490

Best $/GB$0.1758

Price Range$0.1758 – $2.1872

Products47

Cheapest Product

SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s

512GB · $89.99 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	ADATA	ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1)	256GB	$0.1953	$49.99	newegg
1	Samsung	SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s	512GB	$0.1758	$89.99	newegg
2	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	$0.2475	$126.71	newegg
2	Samsung	Samsung P9 Express microSDXC 512GB for Nintendo-Switch 2 \| Express microSD Card for Nintendo-Switch 2 (MB MK512T/AM)	512 GB	$0.1953	$99.97	amazon
3	ADATA	128GB AData Premier Pro SDXC Memory Card UHS-I U3 CL10 V30 4K Ultra HD	128GB	$0.2712	$34.72	newegg
3	Samsung	Samsung P9 Express microSDXC 256GB for Nintendo-Switch™ 2 \| Express microSD Card for Nintendo-Switch™ 2 (MB MK256T/AM)	256 GB	$0.2343	$59.99	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	$0.3093	$79.18	newegg
4	Samsung	samsung evo plus microsd sdxc u3 class 10 a2 memory card 130mb/s with sd adapter 2021 (512gb)	512GB	$0.2534	$129.75	newegg
5	ADATA	512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0	512GB	$0.3596	$184.11	newegg
5	Samsung	Samsung EVO Plus 512GB MicroSD Memory Card (2024) + SD Adapter	512GB	$0.2538	$129.95	newegg

Which Should You Buy?

Based on current pricing data, ADATA offers better overall value for sd cards at an average of $0.3632/GB compared to Samsung's $0.6490/GB — that's roughly 44% less per gigabyte.

ADATA's best deal is the ADATA 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) (256GB) at $0.1953/GB, while Samsung's cheapest option is the SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s (512GB) at $0.1758/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 October 2026, ADATA averages $0.3632/GB compared to Samsung at $0.6490/GB. ADATA is approximately 44% cheaper per gigabyte on average.

How many ADATA and Samsung sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 6 ADATA products and 47 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 256GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUICL10A1-RA1) at $0.1953/GB ($49.99 for 256GB).

What is the cheapest Samsung sd card per GB?

The cheapest Samsung option is the SAMSUNG SD PRO Plus + USB Reader 512GB MicroSD Memory Card Read up to 180MB/s, Write up to 130MB/s at $0.1758/GB ($89.99 for 512GB).

Explore More

All SD Cards ADATA SD Cards Samsung SD Cards

View all SD Cards