Arc A580 vs Radeon RX Vega 56
The Arc A580 is a big jump in performance — leading the Radeon RX Vega 56 by roughly 33% in our performance index.
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Arc A580 vs Radeon RX Vega 56: In-Depth Breakdown
Performance: Arc A580 vs Radeon RX Vega 56
The Arc A580 is significantly faster, around 33% ahead of the Radeon RX Vega 56. That gap is enough to move it up a tier: the Arc A580 is comfortable at 1080p, while the Radeon RX Vega 56 is better matched to entry-level 1080p.
Power & Efficiency
The Arc A580 draws just 175W versus 210W for the Radeon RX Vega 56, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom. Its more modern Alchemist architecture on a TSMC N6 process is part of why it does more with each watt.
Generation & Longevity
The Arc A580 is roughly 6 years newer than the Radeon RX Vega 56 (Alchemist vs GCN 5.0 (Vega)), so it generally benefits from a more modern architecture and longer driver-support runway.
Features & Ecosystem
Beyond raw numbers, the Arc A580 brings Intel XeSS upscaling and AV1 encoding, while the Radeon RX Vega 56 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 A580 or Radeon RX Vega 56?
The Arc A580 is the faster card by about 33%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.
Frequently Asked Questions
Is the Arc A580 better than the Radeon RX Vega 56?
Which is better for 4K gaming, the Arc A580 or the Radeon RX Vega 56?
Which should you buy: Arc A580 or Radeon RX Vega 56?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc A580 | Radeon RX Vega 56 |
|---|---|---|
| Architecture | Alchemist | GCN 5.0 (Vega) |
| Process Node | TSMC N6 | GloFo 14nm |
| CUDA Cores (Shading Units / Stream Processors) | 3,072 | 3,584✓ |
| Ray Tracing Cores | 24 | — |
| Tensor / AI Cores | 384 | — |
Clock Speeds
| Specification | Arc A580 | Radeon RX Vega 56 |
|---|---|---|
| Base Clock | 1,700 MHz✓ | 1,156 MHz |
| Boost Clock | 2,000 MHz✓ | 1,471 MHz |
Memory
| Specification | Arc A580 | Radeon RX Vega 56 |
|---|---|---|
| VRAM Capacity | 8 GB | 8 GB |
| Memory Type | GDDR6 | HBM2 |
| Memory Bus | 256-bit | 2048-bit✓ |
| Memory Speed | 16 Gbps✓ | 1.6 Gbps |
| Bandwidth | 512 GB/s✓ | 409.6 GB/s |
Connectivity & Power
| Specification | Arc A580 | Radeon RX Vega 56 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| TDP | 175 W✓ | 210 W |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Oct 2023 | Aug 2017 |
Related Reading
Intel Arc A580: The Reality of Budget Gaming in 2026
Between aggressive price cuts and the arrival of the Battlemage generation, is the Arc A580 still a realistic choice for 1080p gaming?
Intel Arc Alchemist in 2026: Is a Used A580, A750 or A770 Still Worth Buying?
Every Arc Alchemist card is discontinued, and Battlemage replaced them. So what does a used A580, A750 or A770 still buy you — and at what price does it beat a new Arc B580? An honest retrospective on Intel's first discrete GPUs.