NVIDIA - GeForce RTX 4090 vs NVIDIA - GeForce RTX 5070 Ti
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | NVIDIA - GeForce RTX 4090 | NVIDIA - GeForce RTX 5070 Ti |
|---|---|---|
| TDP | 450 W | 300 W |
| CUDA / Stream cores | 16384 | 8960 |
| Ray tracing cores | 128 | 70 |
| VRAM | 24 GB | 16 GB |
| Memory bus | 384 bit | 256 bit |
| 3DMark Time Spy | 28000 | 20100 |
Between the GeForce RTX 4090 and GeForce RTX 5070 Ti, the GeForce RTX 4090 comes out ahead in cuda / stream cores / ray tracing cores, while the GeForce RTX 5070 Ti wins on tdp. Overall, the GeForce RTX 4090 scores 78 and the GeForce RTX 5070 Ti scores 68.1 on our Mars Score.
Which should you buy?
The GeForce RTX 4090 is the clear pick on raw spec strength, leading by 9.9 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the GeForce RTX 4090 if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are cuda / stream cores, ray tracing cores, vram, among others. The single most decisive one: CUDA / Stream cores — 82.86% more. 16384 vs 8960.
Pick the GeForce RTX 5070 Ti if you care most about tdp. Its strongest claims are tdp. The single most decisive one: TDP — 150.00 W less. 300 vs 450.
Both ship with comparable dlss, so those specs do not separate the two — focus on the differences below.
Bottom line: the GeForce RTX 4090 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: NVIDIA - GeForce RTX 4090 or NVIDIA - GeForce RTX 5070 Ti?
NVIDIA - GeForce RTX 4090 leads the current Mars Score by 9.9 points.The more useful decision is the trade-off behind that result: compare vram, cuda / stream cores, boost clock, tdp against the way you will actually use the product.
Choose NVIDIA - GeForce RTX 4090 if…
NVIDIA - GeForce RTX 4090 has the measurable edge on cuda cores, ray tracing cores, vram gb.
Choose NVIDIA - GeForce RTX 5070 Ti if…
NVIDIA - GeForce RTX 5070 Ti has the measurable edge on tdp w.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why NVIDIA - GeForce RTX 4090 wins
- ▲CUDA / Stream cores — 82.86% more. 16384 vs 8960.
- ▲Ray tracing cores — 82.86% more. 128 vs 70.
- ▲VRAM — 50.00% more. 24 GB vs 16 GB.
- ▲Memory bus — 50.00% more. 384 bit vs 256 bit.
- ▲3DMark Time Spy — 39.30% more. 28000 vs 20100.
- ▲Boost clock — 2.77% more. 2520 MHz vs 2452 MHz.
Why NVIDIA - GeForce RTX 5070 Ti wins
- ▲TDP — 150.00 W less. 300 vs 450.
Spec comparison
Core
| Spec | NVIDIA - GeForce RTX 4090 | NVIDIA - GeForce RTX 5070 Ti |
|---|---|---|
| Chipset | AD102 | GB203 |
| Base clockⓘ | 2235 MHz | 2295 MHzlead |
| Boost clockⓘ | 2520 MHzlead | 2452 MHz |
| CUDA / Stream coresⓘ | 16384lead | 8960 |
| Ray tracing coresⓘ | 128lead | 70 |
Memory
| Spec | NVIDIA - GeForce RTX 4090 | NVIDIA - GeForce RTX 5070 Ti |
|---|---|---|
| VRAMⓘ | 24 GBlead | 16 GB |
| VRAM typeⓘ | GDDR6X | GDDR7lead |
| Memory busⓘ | 384 bitlead | 256 bit |
Power & Form
| Spec | NVIDIA - GeForce RTX 4090 | NVIDIA - GeForce RTX 5070 Ti |
|---|---|---|
| TDPⓘ | 450 W | 300 Wlead |
| Recommended PSUⓘ | 850 W | 750 Wlead |
| Length | 304 mm | 267 mmlead |
| Slot size | 3-slot | 2-slot |
Benchmarks
| Spec | NVIDIA - GeForce RTX 4090 | NVIDIA - GeForce RTX 5070 Ti |
|---|---|---|
| 3DMark Time Spyⓘ | 28000lead | 20100 |
| DLSSⓘ | true | true |
| FSRⓘ | false | false |
Frequently asked
Which has more VRAM, GeForce RTX 4090 or GeForce RTX 5070 Ti?+
GeForce RTX 4090 ships with 24GB GDDR6X vs 16GB.
Which scores higher in 3DMark Time Spy, GeForce RTX 4090 or GeForce RTX 5070 Ti?+
GeForce RTX 4090 scores 28000 vs 20100.
Which draws less power, GeForce RTX 4090 or GeForce RTX 5070 Ti?+
GeForce RTX 5070 Ti draws 300W TDP vs 450W.