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 GeForce RTX 5090 Laptop comes out dramatically faster — about 127% ahead of the Arc B580. The Arc B580 is the cheaper option by $3,202 GBP.
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GeForce RTX 5090 Laptop vs Arc B580: In-Depth Breakdown
Performance: GeForce RTX 5090 Laptop vs Arc B580
The GeForce RTX 5090 Laptop is dramatically faster, around 127% ahead of the Arc B580. That gap is enough to move it up a tier: the GeForce RTX 5090 Laptop is comfortable at 4K with upscaling and native 1440p, while the Arc B580 is better matched to 1080p.
Price & Value
The Arc B580 currently lists from $289 GBP, $3,202 GBP less than the GeForce RTX 5090 Laptop at $3,491 GBP.
Power & Efficiency
At 150W against 190W, the GeForce RTX 5090 Laptop is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern Blackwell architecture on a TSMC 4NP process is part of why it does more with each watt.
VRAM & Future-Proofing
The GeForce RTX 5090 Laptop 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 GeForce RTX 5090 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 5090 Laptop?
The GeForce RTX 5090 Laptop is the faster card by about 127%. 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 5090 Laptop better than the Arc B580?
Which is better for 4K gaming, the Arc B580 or the GeForce RTX 5090 Laptop?
Is the GeForce RTX 5090 Laptop worth the extra $3,202 GBP over the Arc B580?
Does the GeForce RTX 5090 Laptop have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc B580 | GeForce RTX 5090 Laptop |
|---|---|---|
| Architecture | Battlemage | Blackwell |
| Process Node | TSMC N5 | TSMC 4NP |
| CUDA Cores (Shading Units / CUDA Cores) | 2,560 | 10,240✓ |
| Ray Tracing Cores | 20 | 80✓ |
| Tensor / AI Cores | 160 | 320✓ |
Clock Speeds
| Specification | Arc B580 | GeForce RTX 5090 Laptop |
|---|---|---|
| Base Clock | 2,670 MHz✓ | 1,340 MHz |
| Boost Clock | 2,850 MHz✓ | 1,890 MHz |
Memory
| Specification | Arc B580 | GeForce RTX 5090 Laptop |
|---|---|---|
| VRAM Capacity | 12 GB | 16 GB✓ |
| Memory Type | GDDR6 | GDDR7 |
| Memory Bus | 192-bit | 256-bit✓ |
| Memory Speed | 19 Gbps | 28 Gbps✓ |
| Bandwidth | 456 GB/s | 896 GB/s✓ |
Connectivity & Power
| Specification | Arc B580 | GeForce RTX 5090 Laptop |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 5.0 x16 |
| TDP | 190 W | 150 W✓ |
| Power Connectors | 1x 8-pin | None |
| Released | Dec 2024 | Jan 2025 |
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