Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Intel - Arc B770 | AMD - Radeon RX 9080 XT |
|---|---|---|
| Ray tracing cores | 32 | 128 |
| 3DMark Time Spy | 13500 | 28500 |
| TDP | 225 W | 330 W |
| CUDA / Stream cores | 4096 | 8192 |
| VRAM | 16 GB | 24 GB |
| Memory bus | 256 bit | 384 bit |
Between the Arc B770 and Radeon RX 9080 XT, the Arc B770 comes out ahead in tdp, while the Radeon RX 9080 XT wins on ray tracing cores / 3dmark time spy. Overall, the Arc B770 scores 64.2 and the Radeon RX 9080 XT scores 79 on our Mars Score.
Which should you buy?
The Radeon RX 9080 XT is the clear pick on raw spec strength, leading by 14.8 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Arc B770 if you care most about tdp. The biggest gaps in its favor are tdp. The single most decisive one: TDP — 105.00 W less. 225 vs 330.
Pick the Radeon RX 9080 XT 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 — 300.00% more. 128 vs 32.
Both ship with comparable dlss, so those specs do not separate the two — focus on the differences below.
Bottom line: the Radeon RX 9080 XT 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 B770 or AMD - Radeon RX 9080 XT?
AMD - Radeon RX 9080 XT leads the current Mars Score by 14.8 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 B770 if…
Intel - Arc B770 has the measurable edge on tdp w.
Choose AMD - Radeon RX 9080 XT if…
AMD - Radeon RX 9080 XT 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 B770 wins
- ▲TDP — 105.00 W less. 225 vs 330.
Why AMD - Radeon RX 9080 XT wins
- ▲Ray tracing cores — 300.00% more. 128 vs 32.
- ▲3DMark Time Spy — 111.11% more. 28500 vs 13500.
- ▲CUDA / Stream cores — 100.00% more. 8192 vs 4096.
- ▲VRAM — 50.00% more. 24 GB vs 16 GB.
- ▲Memory bus — 50.00% more. 384 bit vs 256 bit.
- ▲Boost clock — 6.90% more. 3100 MHz vs 2900 MHz.
Spec comparison
Core
| Spec | Intel - Arc B770 | AMD - Radeon RX 9080 XT |
|---|---|---|
| Chipset | BMG-G31 | Navi 48 |
| Base clockⓘ | 2400 MHzlead | 2100 MHz |
| Boost clockⓘ | 2900 MHz | 3100 MHzlead |
| CUDA / Stream coresⓘ | 4096 | 8192lead |
| Ray tracing coresⓘ | 32 | 128lead |
Memory
| Spec | Intel - Arc B770 | AMD - Radeon RX 9080 XT |
|---|---|---|
| VRAMⓘ | 16 GB | 24 GBlead |
| VRAM typeⓘ | GDDR6 | GDDR7lead |
| Memory busⓘ | 256 bit | 384 bitlead |
Power & Form
| Spec | Intel - Arc B770 | AMD - Radeon RX 9080 XT |
|---|---|---|
| TDPⓘ | 225 Wlead | 330 W |
| Recommended PSUⓘ | 650 Wlead | 850 W |
| Length | 280 mmlead | 320 mm |
| Slot size | 2-slot | 3-slot |
Benchmarks
| Spec | Intel - Arc B770 | AMD - Radeon RX 9080 XT |
|---|---|---|
| 3DMark Time Spyⓘ | 13500 | 28500lead |
| DLSSⓘ | false | false |
| FSRⓘ | true | true |
Frequently asked
Which has more VRAM, Arc B770 or Radeon RX 9080 XT?+
Radeon RX 9080 XT ships with 24GB GDDR7 vs 16GB.
Which scores higher in 3DMark Time Spy, Arc B770 or Radeon RX 9080 XT?+
Radeon RX 9080 XT scores 28500 vs 13500.
Which draws less power, Arc B770 or Radeon RX 9080 XT?+
Arc B770 draws 225W TDP vs 330W.