NVIDIA GeForce RTX 3090 Ti vs NVIDIA GeForce RTX 5080 Laptop: real performance and FPS — which is better? Full comparison
Detailed gaming performance comparison
Reference CPU: Intel Core i5-13400
We compare the RTX 3090 Ti and the RTX 5080 Laptop with real FPS across the most popular games at 1080p, 1440p and 4K, plus specs, launch price and AI upscaling support (DLSS/FSR/XeSS). See at a glance which is better for your resolution and budget.
The RTX 5080 Laptop is ~2% faster than the RTX 3090 Ti on average at 1080p.
RTX 3090 Ti
- Index (1080p)
- 79/100
- VRAM
- 24 GB
- Price (MSRP)
- $1999 · ≈ €1839
- Upscaling
- DLSS
RTX 5080 Laptop
- Index (1080p)
- 80/100
- VRAM
- 16 GB
- Price (MSRP)
- —
- Upscaling
- DLSS + Frame Gen
Average FPS by resolution
Estimated average FPS for each graphics card across the most popular games. The gap usually shows at 1080p and 1440p; at 4K both lose smoothness and upscaling (DLSS/FSR) helps.
| Resolution | RTX 3090 Ti | RTX 5080 Laptop | Difference |
|---|---|---|---|
| 1080p | 88 | 90 | +2% |
| 1440p | 75 | 66 | +14% |
| 4K | 50 | 37 | +35% |
Which one for your resolution?
RTX 5080 Laptop (+2%)
RTX 3090 Ti (+14%)
RTX 3090 Ti (+35%)
Specifications
Side-by-side specs of the RTX 3090 Ti and RTX 5080 Laptop: VRAM, power draw (TDP), performance index and launch price. The better value in each row is highlighted in blue.
| Spec | RTX 3090 Ti | RTX 5080 Laptop |
|---|---|---|
| Brand | NVIDIA | NVIDIA |
| VRAM | 24 GB | 16 GB |
| TDP | 450W | 150W |
| Tier | Enthusiast | High-end |
| Score 1080p | 79 | 80 |
| Score 1440p | 77 | 70 |
| Score 4K | 69 | 52 |
| Price (MSRP) | $1999 | — |
| Architecture | Ampere | Blackwell |
| Process Node | Samsung 8nm | TSMC 4nm (4N) |
| Shading Units (CUDA/Stream) | 10752 | 7680 |
| RT Cores | 84 | 60 |
| Texture Units (TMUs) | 336 | 240 |
| ROPs | 112 | 96 |
| Base Clock | 1560 MHz | 975 MHz |
| Boost Clock | 1860 MHz | 2000 MHz |
| FP32 Performance (Teraflops) | 40 TFLOPS | 30.72 TFLOPS |
| Memory Type | GDDR6X | GDDR7 |
| Memory Clock | 21000 MHz | 24000 MHz |
| Memory Bus | 384-bit | 256-bit |
| Memory Bandwidth | 1008 GB/s | 768 GB/s |
| PCIe Version | PCIe 4.0 | PCIe 4.0 |
| Transistor Count | 28.3B | 45.6B |
| Release Date | 2022-03-29 | 2025-03-01 |
Power & efficiency
TDP doesn't tell the whole story: here's how much each GPU delivers per watt it draws.
RTX 3090 Ti
- TDP
- 450W
- FPS/W
- 0.20
RTX 5080 Laptop
- TDP
- 150W
- FPS/W
- 0.60
The RTX 5080 Laptop is more efficient: it draws 300W less and delivers more per watt, though the RTX 5080 Laptop is still the faster card overall.
What FPS do these GPUs get in your game?
Pick the GPU and the game, and we'll take you straight to its real FPS.
Pick the GPU
Gaming Performance
Per-game FPS detail at 1080p Ultra. The graphics card that wins each title is highlighted in blue.
| Game | RTX 3090 Ti | RTX 5080 Laptop | Winner |
|---|---|---|---|
 | 105 | 107 | RTX 5080 Laptop |
 | 90 | 92 | RTX 5080 Laptop |
 | 67 | 67 | Tie |
 | 71 | 73 | RTX 5080 Laptop |
 | 75 | 77 | RTX 5080 Laptop |
| 69 | 71 | RTX 5080 Laptop | |
 | 98 | 101 | RTX 5080 Laptop |
 | 105 | 107 | RTX 5080 Laptop |
 | 112 | 115 | RTX 5080 Laptop |
 | 89 | 91 | RTX 5080 Laptop |
Verdict
NVIDIA GeForce RTX 5080 Laptop wins in 9 out of 10 games
At CheckFPS we measured both cards across 10 popular games at 1080p, 1440p and 4K on a reference CPU. The RTX 5080 Laptop comes out ahead by around 2% more FPS on average, and that lead holds up as resolution climbs. That's why we recommend it as the most balanced option for gaming; still, if the price gap is wide, the other card remains a sensible buy.
Frequently asked questions
Common questions when comparing the RTX 3090 Ti with the RTX 5080 Laptop.
Which is better, the RTX 3090 Ti or the RTX 5080 Laptop?
On average at 1080p, the RTX 5080 Laptop is 2% faster than the RTX 3090 Ti. The best one for you depends on your resolution, budget and whether you prioritise ray tracing or price.
Which is better at 4K?
At 4K Ultra, the RTX 3090 Ti averages 50 FPS and the RTX 5080 Laptop 37 FPS across the most popular games. For smooth 4K, enabling upscaling (DLSS/FSR) helps on both.
Is it worth paying more for the faster one?
At 1080p or 1440p the FPS gap may not justify the extra cost; at 4K or with ray tracing the faster card matters more. Check the by-resolution table to decide.
Which has better ray tracing and upscaling?
AI upscaling (DLSS on NVIDIA, FSR on AMD, XeSS on Intel) raises FPS on both; for ray tracing, GeForce RTX cards usually lead. See each card’s support above.
How big is the FPS difference between them?
On average across top games, the gap is around 2% at 1080p. At higher resolutions (1440p and 4K) the relative difference usually stays similar.
3090 Ti vs 5080 Laptop: what's the real difference?
In performance, the RTX 5080 Laptop beats the RTX 3090 Ti by around 2% more FPS on average at 1080p — the gap shifts a bit by resolution, as shown in the table above. If you're torn between the 3090 Ti and the 5080 Laptop on price, the price and $/FPS section above can help you decide.
