GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Only verified data for Arc B580 is available. Benchmarks for other models are currently being processed.
On raw speed the Arc B580 comes out noticeably faster — about 10% ahead of the Arc A770.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Arc B580 vs Arc A770: In-Depth Breakdown
Performance: Arc B580 vs Arc A770
The Arc B580 is noticeably faster, around 10% ahead of the Arc A770. Both cards sit in the same broad class, well suited to 1080p.
Power & Efficiency
At 190W against 225W, the Arc B580 is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern Battlemage architecture on a TSMC N5 process is part of why it does more with each watt.
VRAM & Future-Proofing
The Arc A770 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. The Arc A770's memory is also faster — 560 GB/s versus 456 GB/s (256-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Arc B580 is roughly 2 years newer than the Arc A770 (Battlemage vs Alchemist), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Arc A770 or Arc B580?
The Arc B580 is the faster card by about 10%. 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 B580 better than the Arc A770?
Which is better for 4K gaming, the Arc A770 or the Arc B580?
Does the Arc A770 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc A770 | Arc B580 |
|---|---|---|
| Architecture | Alchemist | Battlemage |
| Process Node | TSMC N6 | TSMC N5 |
| CUDA Cores (Shading Units / Shading Units) | 4,096✓ | 2,560 |
| Ray Tracing Cores | 32✓ | 20 |
| Tensor / AI Cores | 512✓ | 160 |
Clock Speeds
| Specification | Arc A770 | Arc B580 |
|---|---|---|
| Base Clock | 2,100 MHz | 2,670 MHz✓ |
| Boost Clock | 2,400 MHz | 2,850 MHz✓ |
Memory
| Specification | Arc A770 | Arc B580 |
|---|---|---|
| VRAM Capacity | 16 GB✓ | 12 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit✓ | 192-bit |
| Memory Speed | 17.5 Gbps | 19 Gbps✓ |
| Bandwidth | 560 GB/s✓ | 456 GB/s |
Connectivity & Power
| Specification | Arc A770 | Arc B580 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| TDP | 225 W | 190 W✓ |
| Power Connectors | 2x 8-pin | 1x 8-pin |
| Released | Oct 2022 | Dec 2024 |
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