Arc A380 vs Radeon RX 580
On performance, the Arc A380 and Radeon RX 580 are effectively a dead heat — under a few percent apart. Value tips toward the Radeon RX 580, though: $20 USD cheaper for what you get.
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Arc A380 vs Radeon RX 580: In-Depth Breakdown
Performance: Arc A380 vs Radeon RX 580
The Arc A380 and Radeon RX 580 post nearly the same score in our performance index, so neither holds a meaningful raw-speed advantage. Both are best suited to entry-level 1080p gaming.
Price & Value
Right now the Radeon RX 580 starts at $110 USD against $130 USD for the Arc A380. Despite being slower, the Radeon RX 580 offers the better performance-per-dollar (~18% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 580 is trading below its $229 USD MSRP — a genuine deal.
Power & Efficiency
The Arc A380 sips power at 75W next to the Radeon RX 580's 185W, and still leads on performance-per-watt — quieter, cooler, and gentler on your PSU. Its more modern Alchemist architecture on a TSMC N6 process is part of why it does more with each watt.
VRAM & Future-Proofing
The Radeon RX 580's 8GB (vs 6GB on the Arc A380) gives it more room for 4K textures and memory-hungry creative or AI workloads.
Generation & Longevity
The Arc A380 is roughly 5 years newer than the Radeon RX 580 (Alchemist vs GCN 4.0 (Polaris)), so it generally benefits from a more modern architecture and longer driver-support runway.
Features & Ecosystem
Beyond raw numbers, the Arc A380 brings Intel XeSS upscaling and AV1 encoding, while the Radeon RX 580 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 A380 or Radeon RX 580?
Choose the Arc A380 if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 580 stretches your money further for near-identical performance.
Frequently Asked Questions
Is the Arc A380 better than the Radeon RX 580?
Which is better for 4K gaming, the Arc A380 or the Radeon RX 580?
Is the Arc A380 worth the extra $20 USD over the Radeon RX 580?
Does the Radeon RX 580 have enough VRAM advantage to matter?
Which should you buy: Arc A380 or Radeon RX 580?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc A380 | Radeon RX 580 |
|---|---|---|
| Architecture | Alchemist | GCN 4.0 (Polaris) |
| Process Node | TSMC N6 | GloFo 14nm |
| CUDA Cores (Shading Units / Stream Processors) | 1,024 | 2,304✓ |
| Ray Tracing Cores | 8 | — |
| Tensor / AI Cores | 128 | — |
Clock Speeds
| Specification | Arc A380 | Radeon RX 580 |
|---|---|---|
| Base Clock | 2,000 MHz✓ | 1,257 MHz |
| Boost Clock | 2,450 MHz✓ | 1,340 MHz |
Memory
| Specification | Arc A380 | Radeon RX 580 |
|---|---|---|
| VRAM Capacity | 6 GB | 8 GB✓ |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 96-bit | 256-bit✓ |
| Memory Speed | 15.5 Gbps✓ | 8 Gbps |
| Bandwidth | 186 GB/s | 256 GB/s✓ |
Connectivity & Power
| Specification | Arc A380 | Radeon RX 580 |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| TDP | 75 W✓ | 185 W |
| Power Connectors | 1x 8-pin | 1x 8-pin |
| Released | Jun 2022 | Apr 2017 |
