GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for Arc B580 and Radeon RX 9070 XT.
On raw speed the Radeon RX 9070 XT comes out dramatically faster — about 136% ahead of the Arc B580. But the Arc B580 is the better value, undercutting it by $77,464 JPY for the performance you get.
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Radeon RX 9070 XT vs Arc B580: In-Depth Breakdown
Performance: Radeon RX 9070 XT vs Arc B580
The Radeon RX 9070 XT is dramatically faster, around 136% ahead of the Arc B580. That gap is enough to move it up a tier: the Radeon RX 9070 XT is comfortable at 4K with upscaling and native 1440p, while the Arc B580 is better matched to 1080p.
Price & Value
The Arc B580 currently lists from $49,789 JPY, $77,464 JPY less than the Radeon RX 9070 XT at $127,253 JPY. Despite being slower, the Arc B580 offers the better performance-per-dollar (~8% better value), so budget-focused buyers should weigh it carefully. The Arc B580 still sits about $49,541 JPY above its $248 JPY MSRP. The Radeon RX 9070 XT still sits about $126,654 JPY above its $599 JPY MSRP.
Power & Efficiency
On power, the Arc B580 is the gentler choice at 190W versus 304W. The Radeon RX 9070 XT is more efficient per watt because it's faster, but its higher 304W draw means more heat and a bigger PSU. Its more modern RDNA 4 architecture on a TSMC N4 process is part of why it does more with each watt.
VRAM & Future-Proofing
The Radeon RX 9070 XT carries 16GB versus 12GB on the Arc B580. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.
Features & Ecosystem
Beyond raw numbers, the Arc B580 brings Intel XeSS upscaling and AV1 encoding, while the Radeon RX 9070 XT 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 XT?
Choose the Radeon RX 9070 XT 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 XT better than the Arc B580?
Which is better for 4K gaming, the Arc B580 or the Radeon RX 9070 XT?
Is the Radeon RX 9070 XT worth the extra $77,464 JPY over the Arc B580?
Does the Radeon RX 9070 XT have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc B580 | Radeon RX 9070 XT |
|---|---|---|
| Architecture | Battlemage | RDNA 4 |
| Process Node | TSMC N5 | TSMC N4 |
| CUDA Cores (Shading Units / Stream Processors) | 2,560 | 4,096✓ |
| Ray Tracing Cores | 20 | 64✓ |
| Tensor / AI Cores | 160✓ | 128 |
Clock Speeds
| Specification | Arc B580 | Radeon RX 9070 XT |
|---|---|---|
| Base Clock | 2,670 MHz✓ | 1,660 MHz |
| Boost Clock | 2,850 MHz | 2,970 MHz✓ |
Memory
| Specification | Arc B580 | Radeon RX 9070 XT |
|---|---|---|
| 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 XT |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 5.0 x16 |
| TDP | 190 W✓ | 304 W |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Released | Dec 2024 | Mar 2025 |
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