Agi vs Silicon Power SD Cards

Side-by-side price per gigabyte comparison across 12 products.

As of March 2026, Agi averages $0.2420/GB across 4 products while Silicon Power averages $0.2781/GB across 8 products on BuyPerUnit. Agi offers 13% better value per gigabyte for sd cards.

Agi

Better Value

Avg $/GB$0.2420

Best $/GB$0.2031

Price Range$0.2031 – $0.2890

Products4

Cheapest Product

AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs,...

512GB · $103.99 · newegg

Silicon Power

Avg $/GB$0.2781

Best $/GB$0.1378

Price Range$0.1378 – $0.5934

Products8

Cheapest Product

Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP)

1TB · $137.79 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	Agi	AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs,...	512GB	$0.2031	$103.99	newegg
1	Silicon Power	Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP)	1TB	$0.1378	$137.79	newegg
2	Agi	AGI 1TB TF138 MicroSD Memory, High-Capacity Storage Suit for Gaming. MicroSDXC A2 U3 V30 4K UHS-I U3 (Read Speed up to 170 MB/s, Write Speed up to...	1TB	$0.2220	$221.99	newegg
2	Silicon Power	Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10)	128GB	$0.1562	$19.99	newegg
3	Agi	AGI 256GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs,...	256GB	$0.2539	$64.99	newegg
3	Silicon Power	Silicon Power 1TB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter	1TB	$0.1598	$159.79	newegg
4	Agi	AGI 128GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs,...	128GB	$0.2890	$36.99	newegg
4	Silicon Power	Silicon Power Elite microSDXC 256GB CL10 UHS-1 Full HD 100MB/sec Memory Card w/Adapter Modle	256GB	$0.2343	$59.99	newegg
5	Silicon Power	Silicon Power 64GB Elite SDXC UHS-I/U1 Class 10 Memory Card , Speed Up to 85MB/s (SP064GBSDXAU1V10)	64GB	$0.2498	$15.99	newegg

Which Should You Buy?

Based on current pricing data, Agi offers better overall value for sd cards at an average of $0.2420/GB compared to Silicon Power's $0.2781/GB — that's roughly 13% less per gigabyte.

Agi's best deal is the AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs,... (512GB) at $0.2031/GB, while Silicon Power's cheapest option is the Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) (1TB) at $0.1378/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 Agi or Silicon Power cheaper per GB for sd cards?

As of March 2026, Agi averages $0.2420/GB compared to Silicon Power at $0.2781/GB. Agi is approximately 13% cheaper per gigabyte on average.

How many Agi and Silicon Power sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 4 Agi products and 8 Silicon Power products in the sd cards category, all ranked by price per gigabyte.

What is the cheapest Agi sd card per GB?

The cheapest Agi option is the AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs,... at $0.2031/GB ($103.99 for 512GB).

What is the cheapest Silicon Power sd card per GB?

The cheapest Silicon Power option is the Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) at $0.1378/GB ($137.79 for 1TB).

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