Intel Arc B570 vs NVIDIA GeForce RTX 3070
Transient-aware PSU requirements, ATX compliance, cable safety audit, and power efficiency comparison.
| Specification | Intel Arc B570 | NVIDIA GeForce RTX 3070 |
|---|---|---|
| Performance Tier | Mid-Range | High-End |
| Total Board Power (TBP) | 150W | 220W |
| Transient Peak (modeled) | 254W | 361W |
| Minimum Recommended PSU | 450W | 500W |
| PCIe Connector Required | 8pin-x1 | 8pin-x2 |
| Number of Connectors | 1 | 2 |
| ATX 3.1 Required | ✗ No | ✗ No |
| Daisy-Chain Safe | ✓ Yes | ✓ Yes |
| MSRP | $219 | $499 |
| Generation | Battlemage | Ampere |
PSU Requirement Breakdown
Intel Arc B570
NVIDIA GeForce RTX 3070
Power Efficiency Verdict
NVIDIA GeForce RTX 3070 requires less PSU headroom per dollar spent. It needs 500W recommended at $499, versus 450W at $219 for the Intel Arc B570.
Frequently Asked Questions
Which PSU do I need for Intel Arc B570?
Intel Arc B570 has a 150W TBP but can spike to 254W during transient loads. We recommend a minimum 450W ATX 3.1 PSU for safe operation with headroom.
Which PSU do I need for NVIDIA GeForce RTX 3070?
NVIDIA GeForce RTX 3070 has a 220W TBP and transient peak up to 361W. We recommend a minimum 500W ATX 3.1 PSU for stable operation.
Does Intel Arc B570 or NVIDIA GeForce RTX 3070 need ATX 3.1?
Intel Arc B570 uses a standard 8pin-x1 connector and does not strictly require ATX 3.1, though an ATX 3.x PSU is still recommended for transient headroom. NVIDIA GeForce RTX 3070 uses 8pin-x2 and does not require ATX 3.1.