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 and GeForce RTX 5090 Laptop.
On raw speed the GeForce RTX 4090 comes out dramatically faster — about 44% ahead of the GeForce RTX 5090 Laptop.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Comparable or lower specs
GeForce RTX 4090 vs GeForce RTX 5090 Laptop: In-Depth Breakdown
Performance: GeForce RTX 4090 vs GeForce RTX 5090 Laptop
The GeForce RTX 4090 is dramatically faster, around 44% ahead of the GeForce RTX 5090 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 5090 Laptop is better matched to 4K with upscaling and native 1440p. The GeForce RTX 4090 packs 16,384 CUDA cores versus 10,240 on the GeForce RTX 5090 Laptop.
Power & Efficiency
At 150W against 450W, 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 4090 carries 24GB versus 16GB on the GeForce RTX 5090 Laptop. The extra 8GB 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 896 GB/s (384-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The GeForce RTX 5090 Laptop is roughly 3 years newer than the GeForce RTX 4090 (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 or GeForce RTX 5090 Laptop?
The GeForce RTX 4090 is the faster card by about 44%. 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 5090 Laptop?
Which is better for 4K gaming, the GeForce RTX 4090 or the GeForce RTX 5090 Laptop?
Does the GeForce RTX 4090 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4090 | GeForce RTX 5090 Laptop |
|---|---|---|
| Architecture | Ada Lovelace | Blackwell |
| Process Node | TSMC 4N | TSMC 4NP |
| CUDA Cores (CUDA Cores / CUDA Cores) | 16,384✓ | 10,240 |
| Ray Tracing Cores | 128✓ | 80 |
| Tensor / AI Cores | 512✓ | 320 |
Clock Speeds
| Specification | GeForce RTX 4090 | GeForce RTX 5090 Laptop |
|---|---|---|
| Base Clock | 2,235 MHz✓ | 1,340 MHz |
| Boost Clock | 2,520 MHz✓ | 1,890 MHz |
Memory
| Specification | GeForce RTX 4090 | GeForce RTX 5090 Laptop |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 16 GB |
| Memory Type | GDDR6X | GDDR7 |
| Memory Bus | 384-bit✓ | 256-bit |
| Memory Speed | 21 Gbps | 28 Gbps✓ |
| Bandwidth | 1,008 GB/s✓ | 896 GB/s |
Connectivity & Power
| Specification | GeForce RTX 4090 | GeForce RTX 5090 Laptop |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 450 W | 150 W✓ |
| Power Connectors | 1x 16-pin | None |
| Released | Sep 2022 | Jan 2025 |