Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Intel - Arc B580 | AMD - Radeon RX 9070 |
|---|---|---|
| Ray tracing cores | 20 | 56 |
| 3DMark Time Spy | 9400 | 16800 |
| CUDA / Stream cores | 2560 | 3584 |
| VRAM | 12 GB | 16 GB |
| Memory bus | 192 bit | 256 bit |
| TDP | 190 W | 220 W |
Between the Arc B580 and Radeon RX 9070, the Arc B580 comes out ahead in tdp / boost clock, while the Radeon RX 9070 wins on ray tracing cores / 3dmark time spy. Overall, the Arc B580 scores 59.2 and the Radeon RX 9070 scores 64.9 on our Mars Score.
Which should you buy?
The Radeon RX 9070 edges ahead on the Mars Score (59.2 vs 64.9), but the 5.7-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Arc B580 if you care most about tdp / boost clock. The biggest gaps in its favor are tdp, boost clock. The single most decisive one: TDP — 30.00 W less. 190 vs 220.
Pick the Radeon RX 9070 if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are ray tracing cores, 3dmark time spy, cuda / stream cores, among others. The single most decisive one: Ray tracing cores — 180.00% more. 56 vs 20.
Both ship with comparable dlss, so those specs do not separate the two — focus on the differences below.
Bottom line: the Radeon RX 9070 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Intel - Arc B580 or AMD - Radeon RX 9070?
AMD - Radeon RX 9070 leads the current Mars Score by 5.7 points.The more useful decision is the trade-off behind that result: compare vram, cuda / stream cores, boost clock, tdp against the way you will actually use the product.
Choose Intel - Arc B580 if…
Intel - Arc B580 has the measurable edge on tdp w, boost clock mhz.
Choose AMD - Radeon RX 9070 if…
AMD - Radeon RX 9070 has the measurable edge on ray tracing cores, timespy score, cuda cores.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Intel - Arc B580 wins
- ▲TDP — 30.00 W less. 190 vs 220.
- ▲Boost clock — 13.10% more. 2850 MHz vs 2520 MHz.
Why AMD - Radeon RX 9070 wins
- ▲Ray tracing cores — 180.00% more. 56 vs 20.
- ▲3DMark Time Spy — 78.72% more. 16800 vs 9400.
- ▲CUDA / Stream cores — 40.00% more. 3584 vs 2560.
- ▲VRAM — 33.33% more. 16 GB vs 12 GB.
- ▲Memory bus — 33.33% more. 256 bit vs 192 bit.
Spec comparison
Core
| Spec | Intel - Arc B580 | AMD - Radeon RX 9070 |
|---|---|---|
| Chipset | BMG-G21 | Navi 48 |
| Base clockⓘ | 2670 MHzlead | 2070 MHz |
| Boost clockⓘ | 2850 MHzlead | 2520 MHz |
| CUDA / Stream coresⓘ | 2560 | 3584lead |
| Ray tracing coresⓘ | 20 | 56lead |
Memory
| Spec | Intel - Arc B580 | AMD - Radeon RX 9070 |
|---|---|---|
| VRAMⓘ | 12 GB | 16 GBlead |
| VRAM typeⓘ | GDDR6 | GDDR6 |
| Memory busⓘ | 192 bit | 256 bitlead |
Power & Form
| Spec | Intel - Arc B580 | AMD - Radeon RX 9070 |
|---|---|---|
| TDPⓘ | 190 Wlead | 220 W |
| Recommended PSUⓘ | 600 Wlead | 650 W |
| Length | 272 mmlead | 287 mm |
| Slot size | 2-slot | 2-slot |
Benchmarks
| Spec | Intel - Arc B580 | AMD - Radeon RX 9070 |
|---|---|---|
| 3DMark Time Spyⓘ | 9400 | 16800lead |
| DLSSⓘ | false | false |
| FSRⓘ | true | true |
Frequently asked
Which has more VRAM, Arc B580 or Radeon RX 9070?+
Radeon RX 9070 ships with 16GB GDDR6 vs 12GB.
Which scores higher in 3DMark Time Spy, Arc B580 or Radeon RX 9070?+
Radeon RX 9070 scores 16800 vs 9400.
Which draws less power, Arc B580 or Radeon RX 9070?+
Arc B580 draws 190W TDP vs 220W.