Lexar vs Sigma SD Cards

Side-by-side price per gigabyte comparison across 41 products.

As of March 2026, Lexar averages $0.6453/GB across 40 products while Sigma averages $31.2494/GB across 1 products on BuyPerUnit. Lexar offers 98% better value per gigabyte for sd cards.

Lexar

Better Value

Avg $/GB$0.6453

Best $/GB$0.1758

Price Range$0.1758 – $1.8359

Products40

Cheapest Product

Lexar 512GB Play Blue Micro SD Card, UHS-I, C10, U3, V30, A2, 4K, Up to 160MB/s microSDXC Memory Card, Expanded Storage for Nintendo-Switch 1, Gaming Devices, Smartphones, Tablets (LMSPLBL512G-BNNNU)

512 GB · $89.99 · amazon

Sigma

Avg $/GB$31.2494

Best $/GB$31.2494

Price Range$31.2494 – $31.2494

Products1

Cheapest Product

Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit

16GB · $499.99 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	Lexar	Lexar 512GB Play Blue Micro SD Card, UHS-I, C10, U3, V30, A2, 4K, Up to 160MB/s microSDXC Memory Card, Expanded Storage for Nintendo-Switch 1, Gaming Devices, Smartphones, Tablets (LMSPLBL512G-BNNNU)	512 GB	$0.1758	$89.99	amazon
1	Sigma	Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit	16GB	$31.2494	$499.99	newegg
2	Lexar	Lexar High-Performance 800x PRO BLUE Series 256GB SDXC Memory Card Class 10 UHS-I V30 (LSD0800P256G-BNNNU)	256GB	$0.1938	$49.61	newegg
3	Lexar	Lexar 512GB Play PRO microSD Express Card, UHS-I, C10, U3, V30, Full HD, 4K, Up to 900/600 MB/s Memory Card, Compatible w/Nintendo-Switch 2, ASUS ROG Ally, Steam Deck, Gaming (LMSXPS0512G-BNNNU)	512 GB	$0.1953	$99.99	amazon
4	Lexar	Lexar 1TB Play PRO microSD Express Card, UHS-I, C10, U3, V30, Full HD, 4K, Up to 900/600 MB/s Memory Card, Nintendo-Switch 2, ASUS ROG Ally, Steam Deck (LMSXPS0001T-BNNNU)	1 TB	$0.2000	$199.99	amazon
5	Lexar	Lexar High-Performance 633x BLUE Series 128GB microSDXC Memory Card with Adapter Class 10 UHS-I V30 2/Pack (LSDMI128-B2U633)	128GB	$0.2265	$28.99	newegg

Which Should You Buy?

Based on current pricing data, Lexar offers better overall value for sd cards at an average of $0.6453/GB compared to Sigma's $31.2494/GB — that's roughly 98% less per gigabyte.

Lexar's best deal is the Lexar 512GB Play Blue Micro SD Card, UHS-I, C10, U3, V30, A2, 4K, Up to 160MB/s microSDXC Memory Card, Expanded Storage for Nintendo-Switch 1, Gaming Devices, Smartphones, Tablets (LMSPLBL512G-BNNNU) (512 GB) at $0.1758/GB, while Sigma's cheapest option is the Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit (16GB) at $31.2494/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 Lexar or Sigma cheaper per GB for sd cards?

As of March 2026, Lexar averages $0.6453/GB compared to Sigma at $31.2494/GB. Lexar is approximately 98% cheaper per gigabyte on average.

How many Lexar and Sigma sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 40 Lexar products and 1 Sigma products in the sd cards category, all ranked by price per gigabyte.

What is the cheapest Lexar sd card per GB?

The cheapest Lexar option is the Lexar 512GB Play Blue Micro SD Card, UHS-I, C10, U3, V30, A2, 4K, Up to 160MB/s microSDXC Memory Card, Expanded Storage for Nintendo-Switch 1, Gaming Devices, Smartphones, Tablets (LMSPLBL512G-BNNNU) at $0.1758/GB ($89.99 for 512 GB).

What is the cheapest Sigma sd card per GB?

The cheapest Sigma option is the Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit at $31.2494/GB ($499.99 for 16GB).

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