GeForce RTX 3080 Ti vs GeForce RTX 3090 Ti
Performance-wise the GeForce RTX 3090 Ti is out front, noticeably faster, roughly 13% up on the GeForce RTX 3080 Ti.
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Comparable or lower specs
GeForce RTX 3090 Ti vs GeForce RTX 3080 Ti: In-Depth Breakdown
Performance: GeForce RTX 3090 Ti vs GeForce RTX 3080 Ti
The GeForce RTX 3090 Ti is noticeably faster, around 13% ahead of the GeForce RTX 3080 Ti. That gap is enough to move it up a tier: the GeForce RTX 3090 Ti is comfortable at 4K with upscaling and native 1440p, while the GeForce RTX 3080 Ti is better matched to 1440p. The GeForce RTX 3090 Ti packs 10,752 CUDA cores versus 10,240 on the GeForce RTX 3080 Ti.
Power & Efficiency
The GeForce RTX 3080 Ti sips power at 350W next to the GeForce RTX 3090 Ti's 450W, and still leads on performance-per-watt — quieter, cooler, and gentler on your PSU.
VRAM & Future-Proofing
The GeForce RTX 3090 Ti's 24GB (vs 12GB on the GeForce RTX 3080 Ti) gives it more room for 4K textures and memory-hungry creative or AI workloads. The GeForce RTX 3090 Ti's memory is also faster — 1,008 GB/s versus 912 GB/s — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 3080 Ti or GeForce RTX 3090 Ti?
The GeForce RTX 3090 Ti is the faster card by about 13%. 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 3090 Ti better than the GeForce RTX 3080 Ti?
Which is better for 4K gaming, the GeForce RTX 3080 Ti or the GeForce RTX 3090 Ti?
Does the GeForce RTX 3090 Ti have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 3080 Ti or GeForce RTX 3090 Ti?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3080 Ti | GeForce RTX 3090 Ti |
|---|---|---|
| Architecture | Ampere | Ampere |
| Process Node | Samsung 8nm | Samsung 8nm |
| CUDA Cores (CUDA Cores / CUDA Cores) | 10,240 | 10,752✓ |
| Ray Tracing Cores | 80 | 84✓ |
| Tensor / AI Cores | 320 | 336✓ |
Clock Speeds
| Specification | GeForce RTX 3080 Ti | GeForce RTX 3090 Ti |
|---|---|---|
| Base Clock | 1,365 MHz | 1,560 MHz✓ |
| Boost Clock | 1,665 MHz | 1,860 MHz✓ |
Memory
| Specification | GeForce RTX 3080 Ti | GeForce RTX 3090 Ti |
|---|---|---|
| VRAM Capacity | 12 GB | 24 GB✓ |
| Memory Type | GDDR6X | GDDR6X |
| Memory Bus | 384-bit | 384-bit |
| Memory Speed | 19 Gbps | 21 Gbps✓ |
| Bandwidth | 912 GB/s | 1,008 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 3080 Ti | GeForce RTX 3090 Ti |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 350 W✓ | 450 W |
| Power Connectors | 1x 12-pin | 1x 16-pin |
| Released | May 2021 | Mar 2022 |