Sigma vs Sony SD Cards
Side-by-side price per gigabyte comparison across 15 products.
As of March 2026, Sigma averages $31.2494/GB across 1 products while Sony averages $6.2269/GB across 14 products on BuyPerUnit. Sony offers 80% better value per gigabyte for sd cards.
Sigma
Cheapest Product
Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit16GB · $499.99 · newegg
Sony
Better ValueCheapest Product
Sony CEA-G Series CFexpress 960GB Type A Memory Card - IP57-Rated, VPG400 Certified Up to 1800MB/s Read, 1700MB/s Write960GB · $509.95 · newegg
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 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 |
| 1 | Sony | Sony CEA-G Series CFexpress 960GB Type A Memory Card - IP57-Rated, VPG400 Certified Up to 1800MB/s Read, 1700MB/s Write | 960GB | $0.5312 | $509.95 | newegg |
| 2 | Sony | Sony 128GB SF-M Tough Series UHS-II SDXC Memory Card | 128GB | $0.6246 | $79.95 | newegg |
| 3 | Sony | Sony - CEA-G240T | 240 GB | $1.0833 | $259.99 | bestbuy |
| 4 | Sony | Sony - SFG128T/T1 128GB SDXC UHS-II TOUGH G Series Memory Card | 128 GB | $1.6405 | $209.99 | bestbuy |
| 5 | Sony | Sony - QDG120F/J 120GB XQD Memory Card | 120 GB | $1.6666 | $199.99 | bestbuy |
Which Should You Buy?
Based on current pricing data, Sony offers better overall value for sd cards at an average of $6.2269/GB compared to Sigma's $31.2494/GB — that's roughly 80% less per gigabyte.
Sony's best deal is the Sony CEA-G Series CFexpress 960GB Type A Memory Card - IP57-Rated, VPG400 Certified Up to 1800MB/s Read, 1700MB/s Write (960GB) at $0.5312/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 Sigma or Sony cheaper per GB for sd cards?
As of March 2026, Sony averages $6.2269/GB compared to Sigma at $31.2494/GB. Sony is approximately 80% cheaper per gigabyte on average.
How many Sigma and Sony sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 Sigma products and 14 Sony products in the sd cards category, all ranked by price per gigabyte.
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).
What is the cheapest Sony sd card per GB?
The cheapest Sony option is the Sony CEA-G Series CFexpress 960GB Type A Memory Card - IP57-Rated, VPG400 Certified Up to 1800MB/s Read, 1700MB/s Write at $0.5312/GB ($509.95 for 960GB).