Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Intel - Arc B770 | NVIDIA - GeForce RTX 5090 |
|---|---|---|
| CUDA / Stream cores | 4096 | 21760 |
| Ray tracing cores | 32 | 170 |
| TDP | 225 W | 575 W |
| 3DMark Time Spy | 13500 | 32500 |
| VRAM | 16 GB | 32 GB |
| Memory bus | 256 bit | 512 bit |
Between the Arc B770 and GeForce RTX 5090, the Arc B770 comes out ahead in tdp / boost clock, while the GeForce RTX 5090 wins on cuda / stream cores / ray tracing cores. Overall, the Arc B770 scores 64.2 and the GeForce RTX 5090 scores 84.2 on our Mars Score.
Which should you buy?
The GeForce RTX 5090 is the clear pick on raw spec strength, leading by 20.0 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 / boost clock. The biggest gaps in its favor are tdp, boost clock. The single most decisive one: TDP — 350.00 W less. 225 vs 575.
Pick the GeForce RTX 5090 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 cuda / stream cores, ray tracing cores, 3dmark time spy, among others. The single most decisive one: CUDA / Stream cores — 431.25% more. 21760 vs 4096.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the GeForce RTX 5090 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 NVIDIA - GeForce RTX 5090?
NVIDIA - GeForce RTX 5090 leads the current Mars Score by 20.0 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, boost clock mhz.
Choose NVIDIA - GeForce RTX 5090 if…
NVIDIA - GeForce RTX 5090 has the measurable edge on cuda cores, ray tracing cores, timespy score.
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 — 350.00 W less. 225 vs 575.
- ▲Boost clock — 20.48% more. 2900 MHz vs 2407 MHz.
Why NVIDIA - GeForce RTX 5090 wins
- ▲CUDA / Stream cores — 431.25% more. 21760 vs 4096.
- ▲Ray tracing cores — 431.25% more. 170 vs 32.
- ▲3DMark Time Spy — 140.74% more. 32500 vs 13500.
- ▲VRAM — 100.00% more. 32 GB vs 16 GB.
- ▲Memory bus — 100.00% more. 512 bit vs 256 bit.
- ▲Has DLSS.
Spec comparison
Core
| Spec | Intel - Arc B770 | NVIDIA - GeForce RTX 5090 |
|---|---|---|
| Chipset | BMG-G31 | GB202 |
| Base clockⓘ | 2400 MHzlead | 2017 MHz |
| Boost clockⓘ | 2900 MHzlead | 2407 MHz |
| CUDA / Stream coresⓘ | 4096 | 21760lead |
| Ray tracing coresⓘ | 32 | 170lead |
Memory
| Spec | Intel - Arc B770 | NVIDIA - GeForce RTX 5090 |
|---|---|---|
| VRAMⓘ | 16 GB | 32 GBlead |
| VRAM typeⓘ | GDDR6 | GDDR7lead |
| Memory busⓘ | 256 bit | 512 bitlead |
Power & Form
| Spec | Intel - Arc B770 | NVIDIA - GeForce RTX 5090 |
|---|---|---|
| TDPⓘ | 225 Wlead | 575 W |
| Recommended PSUⓘ | 650 Wlead | 1000 W |
| Length | 280 mmlead | 304 mm |
| Slot size | 2-slot | 2-slot |
Benchmarks
| Spec | Intel - Arc B770 | NVIDIA - GeForce RTX 5090 |
|---|---|---|
| 3DMark Time Spyⓘ | 13500 | 32500lead |
| DLSSⓘ | false | truelead |
| FSRⓘ | truelead | false |
Frequently asked
Which has more VRAM, Arc B770 or GeForce RTX 5090?+
GeForce RTX 5090 ships with 32GB GDDR7 vs 16GB.
Which scores higher in 3DMark Time Spy, Arc B770 or GeForce RTX 5090?+
GeForce RTX 5090 scores 32500 vs 13500.
Which draws less power, Arc B770 or GeForce RTX 5090?+
Arc B770 draws 225W TDP vs 575W.