Arc B580
Battlemage · 12 GB · 190 W · PCIe 4.0 x8
ASUS ROG Strix GeForce RTX 3070
Ampere · 8 GB GDDR6 · 220 W · ROG Strix
Dead heat — it comes down to priorities.
In our weighted Specdex score, Arc B580 lands at 82 and ASUS ROG Strix GeForce RTX 3070 at 82. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Arc B580 if…
- ✓Incredible $/frame at 1440p
- ✓12 GB VRAM on a budget card
- ✓Modern AV1 + XeSS 2
Pick ASUS ROG Strix GeForce RTX 3070 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
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 $588).
Score breakdown
Specs side-by-side
| Spec | Arc B580 | ASUS ROG Strix GeForce RTX 3070 |
|---|---|---|
| Architecture | Xe2 Battlemage | Ampere |
| Xe cores | 20 | — |
| Ray Tracing Units | 20 | — |
| XMX engines | 160 | — |
| VRAM | ▲ 12 GB GDDR6 | 8 GB GDDR6 |
| Memory bus | 192-bit | — |
| Bandwidth | 456 GB/s | — |
| Base clock | 1.70 GHz | — |
| Boost clock | 2.67 GHz | — |
| TBP | 190 W | 220 W |
| PCIe | PCIe 4.0 x8 | — |
| Release year | — | 2020 |
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
ASUS ROG Strix 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
FAQ: Arc B580 vs ASUS ROG Strix GeForce RTX 3070
Which is better, Arc B580 or ASUS ROG Strix GeForce RTX 3070? +
Both score 82 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Arc B580 worth the price? +
At $249, Arc B580 delivers a Specdex score of 82 — strongest in efficiency.
Is ASUS ROG Strix GeForce RTX 3070 worth the price? +
At $588, ASUS ROG Strix GeForce RTX 3070 delivers a Specdex score of 82 — strongest in raster.
Does Arc B580 or ASUS ROG Strix GeForce RTX 3070 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, Arc B580 or ASUS ROG Strix GeForce RTX 3070? +
Arc B580 — leads on efficiency (84 vs 71). Frames per watt — heat, noise, and PSU sizing.
Which is the better value, Arc B580 or ASUS ROG Strix GeForce RTX 3070? +
Arc B580 — more score per dollar ($249 vs $588). Specdex score per dollar at MSRP.