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 3090 and GeForce RTX 5080 Laptop.
On raw speed the GeForce RTX 5080 Laptop comes out marginally faster — about 8% ahead of the GeForce RTX 3090.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 5080 Laptop vs GeForce RTX 3090: In-Depth Breakdown
Performance: GeForce RTX 5080 Laptop vs GeForce RTX 3090
The GeForce RTX 5080 Laptop is marginally faster, around 8% ahead of the GeForce RTX 3090. 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 3090 is better matched to 1440p.
Power & Efficiency
At 150W against 350W, the GeForce RTX 5080 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 3090 carries 24GB versus 12GB on the GeForce RTX 5080 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 3090's memory is also faster — 936 GB/s versus 672 GB/s (384-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The GeForce RTX 5080 Laptop is roughly 5 years newer than the GeForce RTX 3090 (Blackwell vs Ampere), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: GeForce RTX 3090 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 3090?
Which is better for 4K gaming, the GeForce RTX 3090 or the GeForce RTX 5080 Laptop?
Does the GeForce RTX 3090 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3090 | GeForce RTX 5080 Laptop |
|---|---|---|
| Architecture | Ampere | Blackwell |
| Process Node | Samsung 8nm | TSMC 4NP |
| CUDA Cores (CUDA Cores / CUDA Cores) | 10,496✓ | 8,192 |
| Ray Tracing Cores | 82✓ | 64 |
| Tensor / AI Cores | 328✓ | 256 |
Clock Speeds
| Specification | GeForce RTX 3090 | GeForce RTX 5080 Laptop |
|---|---|---|
| Base Clock | 1,395 MHz | 1,410 MHz✓ |
| Boost Clock | 1,695 MHz | 2,115 MHz✓ |
Memory
| Specification | GeForce RTX 3090 | GeForce RTX 5080 Laptop |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 12 GB |
| Memory Type | GDDR6X | GDDR7 |
| Memory Bus | 384-bit✓ | 192-bit |
| Memory Speed | 19.5 Gbps | 28 Gbps✓ |
| Bandwidth | 936 GB/s✓ | 672 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3090 | GeForce RTX 5080 Laptop |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 350 W | 150 W✓ |
| Power Connectors | 1x 12-pin | None |
| Released | Sep 2020 | Jan 2025 |
