GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Arc B580 is the clear winner, offering 30.0% better value than Radeon RX 9070.
The Radeon RX 9070 is dramatically faster than the Arc B580, leading by roughly 105% in our performance index. The Arc B580, however, delivers more performance per dollar — $2,714 BRL cheaper.
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Radeon RX 9070 vs Arc B580: In-Depth Breakdown
Performance: Radeon RX 9070 vs Arc B580
The Radeon RX 9070 is dramatically faster, around 105% ahead of the Arc B580. That gap is enough to move it up a tier: the Radeon RX 9070 is comfortable at 4K with upscaling and native 1440p, while the Arc B580 is better matched to 1080p.
Price & Value
Right now the Arc B580 starts at $1,636 BRL against $4,350 BRL for the Radeon RX 9070. Despite being slower, the Arc B580 offers the better performance-per-dollar (~30% better value), so budget-focused buyers should weigh it carefully. The Arc B580 still sits about $1,388 BRL above its $248 BRL MSRP. The Radeon RX 9070 still sits about $3,801 BRL above its $549 BRL MSRP.
Power & Efficiency
The Arc B580 pulls less power (190W vs 220W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 9070 draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern RDNA 4 architecture on a TSMC N4 process is part of why it does more with each watt.
VRAM & Future-Proofing
With 16GB against 12GB, the Radeon RX 9070 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Arc B580's 12GB can fall short.
Features & Ecosystem
Beyond raw numbers, the Arc B580 brings Intel XeSS upscaling and AV1 encoding, while the Radeon RX 9070 offers AMD FSR upscaling and strong rasterization value. 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 Radeon RX 9070?
Choose the Radeon RX 9070 if you want the most performance and can absorb the higher price. If you're optimizing for value, the Arc B580 stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Radeon RX 9070 better than the Arc B580?
Which is better for 4K gaming, the Arc B580 or the Radeon RX 9070?
Is the Radeon RX 9070 worth the extra $2,714 BRL over the Arc B580?
Does the Radeon RX 9070 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc B580 | Radeon RX 9070 |
|---|---|---|
| Architecture | Battlemage | RDNA 4 |
| Process Node | TSMC N5 | TSMC N4 |
| CUDA Cores (Shading Units / Stream Processors) | 2,560 | 3,584✓ |
| Ray Tracing Cores | 20 | 56✓ |
| Tensor / AI Cores | 160✓ | 112 |
Clock Speeds
| Specification | Arc B580 | Radeon RX 9070 |
|---|---|---|
| Base Clock | 2,670 MHz✓ | 1,330 MHz |
| Boost Clock | 2,850 MHz✓ | 2,520 MHz |
Memory
| Specification | Arc B580 | Radeon RX 9070 |
|---|---|---|
| VRAM Capacity | 12 GB | 16 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 192-bit | 256-bit✓ |
| Memory Speed | 19 Gbps | 20 Gbps✓ |
| Bandwidth | 456 GB/s | 644.6 GB/s✓ |
Connectivity & Power
| Specification | Arc B580 | Radeon RX 9070 |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 5.0 x16 |
| TDP | 190 W✓ | 220 W |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Released | Dec 2024 | Mar 2025 |
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