GeForce RTX 3070
Ampere · 8 GB GDDR6 · 220 W
Arc B580
Battlemage · 12 GB · 190 W · PCIe 4.0 x8
Dead heat — it comes down to priorities.
In our weighted Specdex score, GeForce RTX 3070 lands at 82 and Arc B580 at 82. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick GeForce RTX 3070 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
Pick Arc B580 if…
- ✓Incredible $/frame at 1440p
- ✓12 GB VRAM on a budget card
- ✓Modern AV1 + XeSS 2
Winner by scenario
Derived from the sub-score breakdown · not a separate test4K & rasterization
TieTraditional rendering throughput at high resolution
Effectively tied — neither pulls a 2-point weighted lead.
Ray tracing
TieRT-heavy titles with path-traced lighting
Effectively tied — neither pulls a 2-point weighted lead.
AI workloads
TieLocal inference, upscaling, generative tools
Effectively tied — neither pulls a 2-point weighted lead.
Power efficiency
Arc B580Frames per watt — heat, noise, and PSU sizing
Arc B580 leads on efficiency (84 vs 71).
Value for money
Arc B580Specdex score per dollar at MSRP
Arc B580 more score per dollar ($249 vs $499).
Score breakdown
Specs side-by-side
| Spec | GeForce RTX 3070 | Arc B580 |
|---|---|---|
| Architecture | Ampere | Xe2 Battlemage |
| VRAM | 8 GB GDDR6 | ▲ 12 GB GDDR6 |
| TBP | 220 W | 190 W |
| Release year | 2020 | — |
| Xe cores | — | 20 |
| Ray Tracing Units | — | 20 |
| XMX engines | — | 160 |
| Memory bus | — | 192-bit |
| Bandwidth | — | 456 GB/s |
| Base clock | — | 1.70 GHz |
| Boost clock | — | 2.67 GHz |
| PCIe | — | PCIe 4.0 x8 |
GeForce RTX 3070
- +NVIDIA driver stack
- +DLSS support on RTX
- +Strong resale value
- −Power draw scales with tier
- −Gen-over-gen price creep
- −VRAM gated per tier
Arc B580
- +Incredible $/frame at 1440p
- +12 GB VRAM on a budget card
- +Modern AV1 + XeSS 2
- −PCIe 4.0 x8 interface (not x16) — bottlenecks on PCIe 3.0 boards
- −Older DX11 titles can still struggle
- −Needs resizable BAR
FAQ: GeForce RTX 3070 vs Arc B580
Which is better, GeForce RTX 3070 or Arc B580? +
Both score 82 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is GeForce RTX 3070 worth the price? +
At $499, GeForce RTX 3070 delivers a Specdex score of 82 — strongest in raster.
Is Arc B580 worth the price? +
At $249, Arc B580 delivers a Specdex score of 82 — strongest in efficiency.
Does GeForce RTX 3070 or Arc B580 last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for power efficiency, GeForce RTX 3070 or Arc B580? +
Arc B580 — leads on efficiency (84 vs 71). Frames per watt — heat, noise, and PSU sizing.
Which is the better value, GeForce RTX 3070 or Arc B580? +
Arc B580 — more score per dollar ($249 vs $499). Specdex score per dollar at MSRP.