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 5090 is available. Benchmarks for other models are currently being processed.
The GeForce RTX 5090 is dramatically faster than the GeForce RTX 4080 Laptop, leading by roughly 203% in our performance index. The GeForce RTX 4080 Laptop is the cheaper option by $1,051 GBP.
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Comparable or lower specs
GeForce RTX 5090 vs GeForce RTX 4080 Laptop: In-Depth Breakdown
Performance: GeForce RTX 5090 vs GeForce RTX 4080 Laptop
The GeForce RTX 5090 is dramatically faster, around 203% ahead of the GeForce RTX 4080 Laptop. That gap is enough to move it up a tier: the GeForce RTX 5090 is comfortable at 4K and high-refresh 1440p, while the GeForce RTX 4080 Laptop is better matched to 1440p. The GeForce RTX 5090 packs 21,760 CUDA cores versus 7,424 on the GeForce RTX 4080 Laptop.
Price & Value
Right now the GeForce RTX 4080 Laptop starts at $2,099 GBP against $3,150 GBP for the GeForce RTX 5090. The GeForce RTX 5090 still sits about $1,151 GBP above its $1,999 GBP MSRP.
Power & Efficiency
The GeForce RTX 4080 Laptop draws just 150W versus 575W for the GeForce RTX 5090, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom.
VRAM & Future-Proofing
With 32GB against 12GB, the GeForce RTX 5090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce RTX 4080 Laptop's 12GB can fall short. The GeForce RTX 5090's memory is also faster — 1,792 GB/s versus 432 GB/s (512-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The GeForce RTX 5090 is roughly 2 years newer than the GeForce RTX 4080 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 4080 Laptop or GeForce RTX 5090?
The GeForce RTX 5090 is the faster card by about 203%. 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 better than the GeForce RTX 4080 Laptop?
Which is better for 4K gaming, the GeForce RTX 4080 Laptop or the GeForce RTX 5090?
Is the GeForce RTX 5090 worth the extra $1,051 GBP over the GeForce RTX 4080 Laptop?
Does the GeForce RTX 5090 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4080 Laptop | GeForce RTX 5090 |
|---|---|---|
| Architecture | Ada Lovelace | Blackwell |
| Process Node | TSMC 4N | TSMC 4N |
| CUDA Cores (CUDA Cores / CUDA Cores) | 7,424 | 21,760✓ |
| Ray Tracing Cores | 58 | 170✓ |
| Tensor / AI Cores | 232 | 680✓ |
Clock Speeds
| Specification | GeForce RTX 4080 Laptop | GeForce RTX 5090 |
|---|---|---|
| Base Clock | 1,350 MHz | 2,010 MHz✓ |
| Boost Clock | 2,280 MHz | 2,407 MHz✓ |
Memory
| Specification | GeForce RTX 4080 Laptop | GeForce RTX 5090 |
|---|---|---|
| VRAM Capacity | 12 GB | 32 GB✓ |
| Memory Type | GDDR6 | GDDR7 |
| Memory Bus | 192-bit | 512-bit✓ |
| Memory Speed | 18 Gbps | 28 Gbps✓ |
| Bandwidth | 432 GB/s | 1,792 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 4080 Laptop | GeForce RTX 5090 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 150 W✓ | 575 W |
| Power Connectors | None | 1x 16-pin |
| Released | Feb 2023 | Jan 2025 |
