Arc B580 vs GeForce RTX 3060 8GB
On raw speed the Arc B580 comes out ahead: well ahead on speed, about 38% ahead of the GeForce RTX 3060 8GB. That said, the GeForce RTX 3060 8GB is the smarter buy on value — $1,006 BRL less for the performance on offer.
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Arc B580 vs GeForce RTX 3060 8GB: In-Depth Breakdown
Performance: Arc B580 vs GeForce RTX 3060 8GB
The Arc B580 is significantly faster, around 38% ahead of the GeForce RTX 3060 8GB. Both cards sit in the same broad class, well suited to 1080p.
Price & Value
The GeForce RTX 3060 8GB currently lists from $1,994 BRL, $1,006 BRL less than the Arc B580 at $3,000 BRL. Despite being slower, the GeForce RTX 3060 8GB offers the better performance-per-dollar (~9% better value), so budget-focused buyers should weigh it carefully. The GeForce RTX 3060 8GB still sits about $1,665 BRL above its $329 BRL MSRP. The Arc B580 still sits about $2,752 BRL above its $248 BRL MSRP.
Power & Efficiency
On power, the GeForce RTX 3060 8GB is the gentler choice at 170W versus 190W. The Arc B580 is more efficient per watt because it's faster, but its higher 190W draw means more heat and a bigger PSU. Its more modern Battlemage architecture on a TSMC N5 process is part of why it does more with each watt.
VRAM & Future-Proofing
VRAM favors the Arc B580 at 12GB versus 8GB on the GeForce RTX 3060 8GB — that extra 4GB matters most at 4K, with high-res texture packs, and for content-creation/local-AI work.
Generation & Longevity
The Arc B580 is roughly 3 years newer than the GeForce RTX 3060 8GB (Battlemage vs Ampere), so it generally benefits from a more modern architecture and longer driver-support runway.
Features & Ecosystem
Beyond raw numbers, the Arc B580 brings Intel XeSS upscaling and AV1 encoding, while the GeForce RTX 3060 8GB offers NVIDIA DLSS upscaling/frame generation and stronger ray tracing. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: Arc B580 or GeForce RTX 3060 8GB?
Choose the Arc B580 if you want the most performance and can absorb the higher price. If you're optimizing for value, the GeForce RTX 3060 8GB stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Arc B580 better than the GeForce RTX 3060 8GB?
Which is better for 4K gaming, the Arc B580 or the GeForce RTX 3060 8GB?
Is the Arc B580 worth the extra $1,006 BRL over the GeForce RTX 3060 8GB?
Does the Arc B580 have enough VRAM advantage to matter?
Which should you buy: Arc B580 or GeForce RTX 3060 8GB?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc B580 | GeForce RTX 3060 8GB |
|---|---|---|
| Architecture | Battlemage | Ampere |
| Process Node | TSMC N5 | Samsung 8nm |
| CUDA Cores (Shading Units / CUDA Cores) | 2,560 | 3,584✓ |
| Ray Tracing Cores | 20 | 28✓ |
| Tensor / AI Cores | 160✓ | 112 |
Clock Speeds
| Specification | Arc B580 | GeForce RTX 3060 8GB |
|---|---|---|
| Base Clock | 2,670 MHz✓ | 1,320 MHz |
| Boost Clock | 2,850 MHz✓ | 1,777 MHz |
Memory
| Specification | Arc B580 | GeForce RTX 3060 8GB |
|---|---|---|
| VRAM Capacity | 12 GB✓ | 8 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 192-bit✓ | 128-bit |
| Memory Speed | 19 Gbps✓ | 15 Gbps |
| Bandwidth | 456 GB/s✓ | 240 GB/s |
Connectivity & Power
| Specification | Arc B580 | GeForce RTX 3060 8GB |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| TDP | 190 W | 170 W✓ |
| Power Connectors | 1x 8-pin | 1x 8-pin |
| Released | Dec 2024 | Feb 2021 |
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