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.
The GeForce RTX 4090 Laptop is dramatically faster than the Arc B580, leading by roughly 82% in our performance index. The Arc B580 is the cheaper option by $5,800 CAD.
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GeForce RTX 4090 Laptop vs Arc B580: In-Depth Breakdown
Performance: GeForce RTX 4090 Laptop vs Arc B580
The GeForce RTX 4090 Laptop is dramatically faster, around 82% ahead of the Arc B580. That gap is enough to move it up a tier: the GeForce RTX 4090 Laptop is comfortable at 1440p, while the Arc B580 is better matched to 1080p.
Price & Value
Right now the Arc B580 starts at $360 CAD against $6,160 CAD for the GeForce RTX 4090 Laptop. The Arc B580 still sits about $112 CAD above its $248 CAD MSRP.
Power & Efficiency
The GeForce RTX 4090 Laptop draws just 150W versus 190W for the Arc B580, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom.
VRAM & Future-Proofing
With 16GB against 12GB, the GeForce RTX 4090 Laptop has more headroom for 4K textures and memory-hungry creative/AI tasks where the Arc B580's 12GB can fall short.
Features & Ecosystem
Beyond raw numbers, the Arc B580 brings Intel XeSS upscaling and AV1 encoding, while the GeForce RTX 4090 Laptop offers NVIDIA DLSS upscaling/frame generation and stronger ray tracing. 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 GeForce RTX 4090 Laptop?
The GeForce RTX 4090 Laptop is the faster card by about 82%. 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 GeForce RTX 4090 Laptop better than the Arc B580?
Which is better for 4K gaming, the Arc B580 or the GeForce RTX 4090 Laptop?
Is the GeForce RTX 4090 Laptop worth the extra $5,800 CAD over the Arc B580?
Does the GeForce RTX 4090 Laptop have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc B580 | GeForce RTX 4090 Laptop |
|---|---|---|
| Architecture | Battlemage | Ada Lovelace |
| Process Node | TSMC N5 | TSMC 4N |
| CUDA Cores (Shading Units / CUDA Cores) | 2,560 | 9,728✓ |
| Ray Tracing Cores | 20 | 76✓ |
| Tensor / AI Cores | 160 | 304✓ |
Clock Speeds
| Specification | Arc B580 | GeForce RTX 4090 Laptop |
|---|---|---|
| Base Clock | 2,670 MHz✓ | 1,455 MHz |
| Boost Clock | 2,850 MHz✓ | 2,040 MHz |
Memory
| Specification | Arc B580 | GeForce RTX 4090 Laptop |
|---|---|---|
| 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 | GeForce RTX 4090 Laptop |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| TDP | 190 W | 150 W✓ |
| Power Connectors | 1x 8-pin | None |
| Released | Dec 2024 | Feb 2023 |
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