GeForce RTX 3090 Ti vs GeForce RTX 4080
On raw speed the GeForce RTX 4080 comes out ahead: well ahead on speed, about 25% ahead of the GeForce RTX 3090 Ti.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 4080 vs GeForce RTX 3090 Ti: In-Depth Breakdown
Performance: GeForce RTX 4080 vs GeForce RTX 3090 Ti
The GeForce RTX 4080 is significantly faster, around 25% ahead of the GeForce RTX 3090 Ti. Both cards sit in the same broad class, well suited to 4K with upscaling and native 1440p.
Power & Efficiency
At 320W against 450W, the GeForce RTX 4080 is both the lower-power and the more efficient card, making it the easier build to cool and power.
VRAM & Future-Proofing
VRAM favors the GeForce RTX 3090 Ti at 24GB versus 16GB on the GeForce RTX 4080 — that extra 8GB matters most at 4K, with high-res texture packs, and for content-creation/local-AI work. The GeForce RTX 3090 Ti's memory is also faster — 1,008 GB/s versus 717 GB/s (384-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 3090 Ti or GeForce RTX 4080?
The GeForce RTX 4080 is the faster card by about 25%. 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 4080 better than the GeForce RTX 3090 Ti?
Which is better for 4K gaming, the GeForce RTX 3090 Ti or the GeForce RTX 4080?
Does the GeForce RTX 3090 Ti have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 3090 Ti or GeForce RTX 4080?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3090 Ti | GeForce RTX 4080 |
|---|---|---|
| Architecture | Ampere | Ada Lovelace |
| Process Node | Samsung 8nm | TSMC 4N |
| CUDA Cores (CUDA Cores / CUDA Cores) | 10,752✓ | 9,728 |
| Ray Tracing Cores | 84✓ | 76 |
| Tensor / AI Cores | 336✓ | 304 |
Clock Speeds
| Specification | GeForce RTX 3090 Ti | GeForce RTX 4080 |
|---|---|---|
| Base Clock | 1,560 MHz | 2,205 MHz✓ |
| Boost Clock | 1,860 MHz | 2,505 MHz✓ |
Memory
| Specification | GeForce RTX 3090 Ti | GeForce RTX 4080 |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 16 GB |
| Memory Type | GDDR6X | GDDR6X |
| Memory Bus | 384-bit✓ | 256-bit |
| Memory Speed | 21 Gbps | 22.4 Gbps✓ |
| Bandwidth | 1,008 GB/s✓ | 716.8 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3090 Ti | GeForce RTX 4080 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 450 W | 320 W✓ |
| Power Connectors | 1x 16-pin | 1x 16-pin |
| Released | Mar 2022 | Sep 2022 |
