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 Radeon RX 7900M comes out dramatically faster — about 64% ahead of the Arc B580.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 7900M vs Arc B580: In-Depth Breakdown
Performance: Radeon RX 7900M vs Arc B580
The Radeon RX 7900M is dramatically faster, around 64% ahead of the Arc B580. That gap is enough to move it up a tier: the Radeon RX 7900M is comfortable at 1440p, while the Arc B580 is better matched to 1080p.
Power & Efficiency
At 180W against 190W, the Radeon RX 7900M is both the lower-power and the more efficient card, making it the easier build to cool and power.
VRAM & Future-Proofing
The Radeon RX 7900M 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 7900M 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 7900M?
The Radeon RX 7900M is the faster card by about 64%. 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 Radeon RX 7900M better than the Arc B580?
Which is better for 4K gaming, the Arc B580 or the Radeon RX 7900M?
Does the Radeon RX 7900M have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc B580 | Radeon RX 7900M |
|---|---|---|
| Architecture | Battlemage | RDNA 3 |
| Process Node | TSMC N5 | TSMC N5 |
| CUDA Cores (Shading Units / Stream Processors) | 2,560 | 4,608✓ |
| Ray Tracing Cores | 20 | 72✓ |
| Tensor / AI Cores | 160✓ | 144 |
Clock Speeds
| Specification | Arc B580 | Radeon RX 7900M |
|---|---|---|
| Base Clock | 2,670 MHz✓ | 1,825 MHz |
| Boost Clock | 2,850 MHz✓ | 2,090 MHz |
Memory
| Specification | Arc B580 | Radeon RX 7900M |
|---|---|---|
| VRAM Capacity | 12 GB | 16 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 192-bit | 256-bit✓ |
| Memory Speed | 19 Gbps✓ | 18 Gbps |
| Bandwidth | 456 GB/s | 576 GB/s✓ |
Connectivity & Power
| Specification | Arc B580 | Radeon RX 7900M |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| TDP | 190 W | 180 W✓ |
| Power Connectors | 1x 8-pin | None |
| Released | Dec 2024 | Oct 2023 |
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