Kexin vs Sigma SD Cards

Side-by-side price per gigabyte comparison across 3 products.

As of March 2026, Kexin averages $1.8180/GB across 2 products while Sigma averages $31.2494/GB across 1 products on BuyPerUnit. Kexin offers 94% better value per gigabyte for sd cards.

Kexin

Better Value
Avg $/GB$1.8180
Best $/GB$0.8122
Price Range$0.8122 – $2.8237
Products2

Sigma

Avg $/GB$31.2494
Best $/GB$31.2494
Price Range$31.2494 – $31.2494
Products1

Top Products Compared

Which Should You Buy?

Based on current pricing data, Kexin offers better overall value for sd cards at an average of $1.8180/GB compared to Sigma's $31.2494/GB — that's roughly 94% less per gigabyte.

Kexin's best deal is the KEXIN 3 Pack 32GB Micro SD Card Memory Card MicroSDHC UHS-I Memory Cards Class 10 High Speed Card, C10, U1, 32 GB 3 Pack (32 GB) at $0.8122/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 Kexin or Sigma cheaper per GB for sd cards?

As of March 2026, Kexin averages $1.8180/GB compared to Sigma at $31.2494/GB. Kexin is approximately 94% cheaper per gigabyte on average.

How many Kexin and Sigma sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 2 Kexin products and 1 Sigma products in the sd cards category, all ranked by price per gigabyte.

What is the cheapest Kexin sd card per GB?

The cheapest Kexin option is the KEXIN 3 Pack 32GB Micro SD Card Memory Card MicroSDHC UHS-I Memory Cards Class 10 High Speed Card, C10, U1, 32 GB 3 Pack at $0.8122/GB ($25.99 for 32 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).

Explore More

Submit a Better Deal

Help others save money

Report an Issue

Help us keep data accurate