GeForce RTX 3090 Ti vs Radeon RX 6800
On raw speed the GeForce RTX 3090 Ti comes out ahead: far and away the quicker card, about 42% ahead of the Radeon RX 6800.
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GeForce RTX 3090 Ti vs Radeon RX 6800: In-Depth Breakdown
Performance: GeForce RTX 3090 Ti vs Radeon RX 6800
The GeForce RTX 3090 Ti is dramatically faster, around 42% ahead of the Radeon RX 6800. 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 Radeon RX 6800 is better matched to 1440p.
Power & Efficiency
At 250W against 450W, the Radeon RX 6800 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 Radeon RX 6800 — that extra 8GB matters most at 4K, with high-res texture packs, and for content-creation/local-AI work.
Generation & Longevity
The GeForce RTX 3090 Ti is roughly 2 years newer than the Radeon RX 6800 (Ampere vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 3090 Ti brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6800 offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: GeForce RTX 3090 Ti or Radeon RX 6800?
The GeForce RTX 3090 Ti is the faster card by about 42%. 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 Radeon RX 6800?
Which is better for 4K gaming, the GeForce RTX 3090 Ti or the Radeon RX 6800?
Does the GeForce RTX 3090 Ti have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 3090 Ti or Radeon RX 6800?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3090 Ti | Radeon RX 6800 |
|---|---|---|
| Architecture | Ampere | RDNA 2 |
| Process Node | Samsung 8nm | TSMC N7 |
| CUDA Cores (CUDA Cores / Stream Processors) | 10,752✓ | 3,840 |
| Ray Tracing Cores | 84✓ | 60 |
| Tensor / AI Cores | 336 | — |
Clock Speeds
| Specification | GeForce RTX 3090 Ti | Radeon RX 6800 |
|---|---|---|
| Base Clock | 1,560 MHz | 1,700 MHz✓ |
| Boost Clock | 1,860 MHz | 2,105 MHz✓ |
Memory
| Specification | GeForce RTX 3090 Ti | Radeon RX 6800 |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 16 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 384-bit✓ | 256-bit |
| Memory Speed | 21 Gbps✓ | 16 Gbps |
| Bandwidth | 1,008 GB/s✓ | 512 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3090 Ti | Radeon RX 6800 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 450 W | 250 W✓ |
| Power Connectors | 1x 16-pin | 2x 8-pin |
| Released | Mar 2022 | Nov 2020 |
