Editorial disclosure: CardRewards.ai is an independent comparison service. Our analysis is based on publicly available card data and is reviewed regularly by our editorial team. Card issuers do not influence our rankings or content. Last updated: June 2026.
Both cards cost $0/yr. The My Best Buy® Visa® Card is better for best buy purchases, while the Citi® Diamond Preferred® Card wins on dining. Here's how they compare.
Annual Fee
Welcome Bonus
| Category | My Best Buy® Visa® Card | Citi® Diamond Preferred® Card |
|---|---|---|
| Best Buy Purchases | 5X | 1X |
| Dining | 2X | 2X |
| Entertainment | 0.5X | 2X |
| Grocery Stores | 2X | 1X |
| Streaming | 0.5X | 2X |
| Everything Else | 0.5X |
Network
Key Benefits
Pros
Cons
The Citi® Diamond Preferred® Card wins in 3 of 5 categories. The My Best Buy® Visa® Card leads in 2.
Best Buy Purchases
My Best Buy® Visa® Card earns 5X vs 1X
Grocery Stores
My Best Buy® Visa® Card earns 2X vs 1X
Entertainment
Citi® Diamond Preferred® Card earns 2X vs 0.5X
Streaming
Citi® Diamond Preferred® Card earns 2X vs 0.5X
Everyday purchases
Citi® Diamond Preferred® Card earns 1X on all other spending vs 0.5X
Get the My Best Buy® Visa® Card if you:
Get the Citi® Diamond Preferred® Card if you:
For everyday spending, the Citi® Diamond Preferred® Card earns more with its 1X base rate.
Editorial disclosure: The analysis on this page is based on publicly available card data and is updated regularly. CardRewards.ai is an independent comparison service. Card issuers do not influence our rankings or editorial content. Last updated: June 2026.
Both cards cost $0/yr. The My Best Buy® Visa® Card is better for best buy purchases, while the Citi® Diamond Preferred® Card wins on dining. Here's how they compare.
Annual Fee
Welcome Bonus
| Category | My Best Buy® Visa® Card | Citi® Diamond Preferred® Card |
|---|---|---|
| Best Buy Purchases | 5X | 1X |
| Dining | 2X | 2X |
| Entertainment | 0.5X | 2X |
| Grocery Stores | 2X | 1X |
| Streaming | 0.5X | 2X |
| Everything Else | 0.5X |
Network
Key Benefits
Pros
Cons
The Citi® Diamond Preferred® Card wins in 3 of 5 categories. The My Best Buy® Visa® Card leads in 2.
Best Buy Purchases
My Best Buy® Visa® Card earns 5X vs 1X
Grocery Stores
My Best Buy® Visa® Card earns 2X vs 1X
Entertainment
Citi® Diamond Preferred® Card earns 2X vs 0.5X
Streaming
Citi® Diamond Preferred® Card earns 2X vs 0.5X
Everyday purchases
Citi® Diamond Preferred® Card earns 1X on all other spending vs 0.5X
Get the My Best Buy® Visa® Card if you:
Get the Citi® Diamond Preferred® Card if you:
For everyday spending, the Citi® Diamond Preferred® Card earns more with its 1X base rate.
Editorial disclosure: The analysis on this page is based on publicly available card data and is updated regularly. CardRewards.ai is an independent comparison service. Card issuers do not influence our rankings or editorial content. Last updated: June 2026.
Both cards cost $0/yr. The My Best Buy® Visa® Card is better for best buy purchases, while the Citi® Diamond Preferred® Card wins on dining. Here's how they compare.
Annual Fee
Welcome Bonus
| Category | My Best Buy® Visa® Card | Citi® Diamond Preferred® Card |
|---|---|---|
| Best Buy Purchases | 5X | 1X |
| Dining | 2X | 2X |
| Entertainment | 0.5X | 2X |
| Grocery Stores | 2X | 1X |
| Streaming | 0.5X | 2X |
| Everything Else | 0.5X |
Network
Key Benefits
Pros
Cons
The Citi® Diamond Preferred® Card wins in 3 of 5 categories. The My Best Buy® Visa® Card leads in 2.
Best Buy Purchases
My Best Buy® Visa® Card earns 5X vs 1X
Grocery Stores
My Best Buy® Visa® Card earns 2X vs 1X
Entertainment
Citi® Diamond Preferred® Card earns 2X vs 0.5X
Streaming
Citi® Diamond Preferred® Card earns 2X vs 0.5X
Everyday purchases
Citi® Diamond Preferred® Card earns 1X on all other spending vs 0.5X
Get the My Best Buy® Visa® Card if you:
Get the Citi® Diamond Preferred® Card if you:
For everyday spending, the Citi® Diamond Preferred® Card earns more with its 1X base rate.
Editorial disclosure: The analysis on this page is based on publicly available card data and is updated regularly. CardRewards.ai is an independent comparison service. Card issuers do not influence our rankings or editorial content. Last updated: June 2026.