GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for GeForce RTX 4090 Laptop and GeForce RTX 5080 Laptop.
On raw speed the GeForce RTX 5080 Laptop comes out marginally faster — about 5% ahead of the GeForce RTX 4090 Laptop. The GeForce RTX 5080 Laptop is the cheaper option by $2,710 CAD.
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GeForce RTX 5080 Laptop vs GeForce RTX 4090 Laptop: In-Depth Breakdown
Performance: GeForce RTX 5080 Laptop vs GeForce RTX 4090 Laptop
The GeForce RTX 5080 Laptop is marginally faster, around 5% ahead of the GeForce RTX 4090 Laptop. That gap is enough to move it up a tier: the GeForce RTX 5080 Laptop is comfortable at 4K with upscaling and native 1440p, while the GeForce RTX 4090 Laptop is better matched to 1440p.
Price & Value
The GeForce RTX 5080 Laptop currently lists from $3,450 CAD, $2,710 CAD less than the GeForce RTX 4090 Laptop at $6,160 CAD.
VRAM & Future-Proofing
The GeForce RTX 4090 Laptop carries 16GB versus 12GB on the GeForce RTX 5080 Laptop. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The GeForce RTX 5080 Laptop's memory is also faster — 672 GB/s versus 576 GB/s (192-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The GeForce RTX 5080 Laptop is roughly 2 years newer than the GeForce RTX 4090 Laptop (Blackwell vs Ada Lovelace), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: GeForce RTX 4090 Laptop or GeForce RTX 5080 Laptop?
The GeForce RTX 5080 Laptop is the faster card. 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 5080 Laptop better than the GeForce RTX 4090 Laptop?
Which is better for 4K gaming, the GeForce RTX 4090 Laptop or the GeForce RTX 5080 Laptop?
Is the GeForce RTX 4090 Laptop worth the extra $2,710 CAD over the GeForce RTX 5080 Laptop?
Does the GeForce RTX 4090 Laptop have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4090 Laptop | GeForce RTX 5080 Laptop |
|---|---|---|
| Architecture | Ada Lovelace | Blackwell |
| Process Node | TSMC 4N | TSMC 4NP |
| CUDA Cores (CUDA Cores / CUDA Cores) | 9,728✓ | 8,192 |
| Ray Tracing Cores | 76✓ | 64 |
| Tensor / AI Cores | 304✓ | 256 |
Clock Speeds
| Specification | GeForce RTX 4090 Laptop | GeForce RTX 5080 Laptop |
|---|---|---|
| Base Clock | 1,455 MHz✓ | 1,410 MHz |
| Boost Clock | 2,040 MHz | 2,115 MHz✓ |
Memory
| Specification | GeForce RTX 4090 Laptop | GeForce RTX 5080 Laptop |
|---|---|---|
| VRAM Capacity | 16 GB✓ | 12 GB |
| Memory Type | GDDR6 | GDDR7 |
| Memory Bus | 256-bit✓ | 192-bit |
| Memory Speed | 18 Gbps | 28 Gbps✓ |
| Bandwidth | 576 GB/s | 672 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 4090 Laptop | GeForce RTX 5080 Laptop |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 150 W | 150 W |
| Power Connectors | None | None |
| Released | Feb 2023 | Jan 2025 |