Kootion vs Sigma SD Cards
Side-by-side price per gigabyte comparison across 3 products.
As of March 2026, Kootion averages $0.4336/GB across 2 products while Sigma averages $31.2494/GB across 1 products on BuyPerUnit. Kootion offers 99% better value per gigabyte for sd cards.
Kootion
Better ValueCheapest Product
KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera128 GB · $24.99 · amazon
Sigma
Cheapest Product
Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit16GB · $499.99 · newegg
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | Kootion | KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera | 128 GB | $0.1952 | $24.99 | 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 | Kootion | KOOTION 32GB Micro SD Card 2-Pack Class 10 Micro SDHC Card UHS-I Memory Card, High Speed TF Card, C10, U1, 32 GB | 32 GB | $0.6719 | $21.50 | amazon |
Which Should You Buy?
Based on current pricing data, Kootion offers better overall value for sd cards at an average of $0.4336/GB compared to Sigma's $31.2494/GB — that's roughly 99% less per gigabyte.
Kootion's best deal is the KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera (128 GB) at $0.1952/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 Kootion or Sigma cheaper per GB for sd cards?
As of March 2026, Kootion averages $0.4336/GB compared to Sigma at $31.2494/GB. Kootion is approximately 99% cheaper per gigabyte on average.
How many Kootion and Sigma sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 2 Kootion products and 1 Sigma products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest Kootion sd card per GB?
The cheapest Kootion option is the KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera at $0.1952/GB ($24.99 for 128 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).