GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Only verified data for GeForce RTX 4090 is available. Benchmarks for other models are currently being processed.
On raw speed the GeForce RTX 4090 comes out dramatically faster — about 118% ahead of the GeForce RTX 4080 Laptop. The GeForce RTX 4090 is the cheaper option by $899 CAD.
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Comparable or lower specs
GeForce RTX 4090 vs GeForce RTX 4080 Laptop: In-Depth Breakdown
Performance: GeForce RTX 4090 vs GeForce RTX 4080 Laptop
The GeForce RTX 4090 is dramatically faster, around 118% ahead of the GeForce RTX 4080 Laptop. That gap is enough to move it up a tier: the GeForce RTX 4090 is comfortable at 4K and high-refresh 1440p, while the GeForce RTX 4080 Laptop is better matched to 1440p. The GeForce RTX 4090 packs 16,384 CUDA cores versus 7,424 on the GeForce RTX 4080 Laptop. The GeForce RTX 4090 also has more RT cores (128 vs 58) and more AI cores (512 vs 232), strengthening its ray-tracing and AI-upscaling performance.
Price & Value
The GeForce RTX 4090 currently lists from $2,300 CAD, $899 CAD less than the GeForce RTX 4080 Laptop at $3,199 CAD. The GeForce RTX 4090 still sits about $701 CAD above its $1,599 CAD MSRP.
Power & Efficiency
At 150W against 450W, the GeForce RTX 4080 Laptop is both the lower-power and the more efficient card, making it the easier build to cool and power.
VRAM & Future-Proofing
The GeForce RTX 4090 carries 24GB versus 12GB on the GeForce RTX 4080 Laptop. The extra 12GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The GeForce RTX 4090's memory is also faster — 1,008 GB/s versus 432 GB/s (384-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 4080 Laptop or GeForce RTX 4090?
The GeForce RTX 4090 is the faster card by about 118%. 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 better than the GeForce RTX 4080 Laptop?
Which is better for 4K gaming, the GeForce RTX 4080 Laptop or the GeForce RTX 4090?
Is the GeForce RTX 4080 Laptop worth the extra $899 CAD over the GeForce RTX 4090?
Does the GeForce RTX 4090 have enough VRAM advantage to matter?
Which is better for ray tracing, the GeForce RTX 4090 or the GeForce RTX 4080 Laptop?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4080 Laptop | GeForce RTX 4090 |
|---|---|---|
| Architecture | Ada Lovelace | Ada Lovelace |
| Process Node | TSMC 4N | TSMC 4N |
| CUDA Cores (CUDA Cores / CUDA Cores) | 7,424 | 16,384✓ |
| Ray Tracing Cores | 58 | 128✓ |
| Tensor / AI Cores | 232 | 512✓ |
Clock Speeds
| Specification | GeForce RTX 4080 Laptop | GeForce RTX 4090 |
|---|---|---|
| Base Clock | 1,350 MHz | 2,235 MHz✓ |
| Boost Clock | 2,280 MHz | 2,520 MHz✓ |
Memory
| Specification | GeForce RTX 4080 Laptop | GeForce RTX 4090 |
|---|---|---|
| VRAM Capacity | 12 GB | 24 GB✓ |
| Memory Type | GDDR6 | GDDR6X |
| Memory Bus | 192-bit | 384-bit✓ |
| Memory Speed | 18 Gbps | 21 Gbps✓ |
| Bandwidth | 432 GB/s | 1,008 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 4080 Laptop | GeForce RTX 4090 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 150 W✓ | 450 W |
| Power Connectors | None | 1x 16-pin |
| Released | Feb 2023 | Sep 2022 |