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AMD Radeon RX 6400 vs Intel Gunnir Photon OC Arc B580: Comparison
AMD Radeon RX 6400 and Intel Gunnir Photon OC Arc B580 separate most on tdp: AMD Radeon RX 6400 at 53 W, Intel Gunnir Photon OC Arc B580 at 190 W, 258% in favour of AMD Radeon RX 6400. Slot Width splits them by another 150%, again favouring AMD Radeon RX 6400. They match on tier, memory type and ray tracing support.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | Intel |
| Series | Radeon RX 6000 | Arc Battlemage |
| Board Partner | AMD Reference | Gunnir |
| VRAM | 4 GB-67% | 12 GB |
| Tier | Entry-Level | Entry-Level |
| Memory Type | GDDR6 | GDDR6 |
| Boost Clock | 2321 MHz-13% | 2670 MHz |
| Ray Tracing Support | true | true |
| TDP | 53 W | 190 W-258% |
| Architecture | RDNA 2 (Navi 24) | Xe2-HPG Battlemage (BMG-G21) |
| Card Length | 145 mm | 305 mm-110% |
| Slot Width | 1 | 2.5-150% |
| MSRP | 159 | 249 |
Verdict
AMD Radeon RX 6400
5.5 / 10 Expert Rating
A solid entry-level pick if its price and 4GB VRAM allocation match your target resolution.
Intel Gunnir Photon OC Arc B580
5.5 / 10 Expert Rating
A solid entry-level pick if its price and 12GB VRAM allocation match your target resolution.