GeForce RTX 3080 vs Radeon RX 6900 XT
Performance-wise the Radeon RX 6900 XT is out front, noticeably faster, roughly 14% up on the GeForce RTX 3080. Value tips toward the GeForce RTX 3080, though: $45,092 JPY cheaper for what you get.
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Radeon RX 6900 XT vs GeForce RTX 3080: In-Depth Breakdown
Performance: Radeon RX 6900 XT vs GeForce RTX 3080
The Radeon RX 6900 XT is noticeably faster, around 14% ahead of the GeForce RTX 3080. Both cards sit in the same broad class, well suited to 1440p.
Price & Value
Right now the GeForce RTX 3080 starts at $112,112 JPY against $157,204 JPY for the Radeon RX 6900 XT. Despite being slower, the GeForce RTX 3080 offers the better performance-per-dollar (~23% better value), so budget-focused buyers should weigh it carefully. The GeForce RTX 3080 still sits about $111,413 JPY above its $699 JPY MSRP. The Radeon RX 6900 XT still sits about $156,205 JPY above its $999 JPY MSRP.
Power & Efficiency
The Radeon RX 6900 XT sips power at 300W next to the GeForce RTX 3080's 320W, and still leads on performance-per-watt — quieter, cooler, and gentler on your PSU.
VRAM & Future-Proofing
The Radeon RX 6900 XT's 16GB (vs 10GB on the GeForce RTX 3080) gives it more room for 4K textures and memory-hungry creative or AI workloads.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 3080 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6900 XT 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 3080 or Radeon RX 6900 XT?
Choose the Radeon RX 6900 XT if you want the most performance and can absorb the higher price. If you're optimizing for value, the GeForce RTX 3080 stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Radeon RX 6900 XT better than the GeForce RTX 3080?
Which is better for 4K gaming, the GeForce RTX 3080 or the Radeon RX 6900 XT?
Is the Radeon RX 6900 XT worth the extra $45,092 JPY over the GeForce RTX 3080?
Does the Radeon RX 6900 XT have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 3080 or Radeon RX 6900 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3080 | Radeon RX 6900 XT |
|---|---|---|
| Architecture | Ampere | RDNA 2 |
| Process Node | Samsung 8nm | TSMC N7 |
| CUDA Cores (CUDA Cores / Stream Processors) | 8,704✓ | 5,120 |
| Ray Tracing Cores | 68 | 80✓ |
| Tensor / AI Cores | 272 | — |
Clock Speeds
| Specification | GeForce RTX 3080 | Radeon RX 6900 XT |
|---|---|---|
| Base Clock | 1,440 MHz | 1,825 MHz✓ |
| Boost Clock | 1,710 MHz | 2,250 MHz✓ |
Memory
| Specification | GeForce RTX 3080 | Radeon RX 6900 XT |
|---|---|---|
| VRAM Capacity | 10 GB | 16 GB✓ |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 320-bit✓ | 256-bit |
| Memory Speed | 19 Gbps✓ | 16 Gbps |
| Bandwidth | 760 GB/s✓ | 512 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3080 | Radeon RX 6900 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 320 W | 300 W✓ |
| Power Connectors | 1x 12-pin | 2x 8-pin |
| Released | Sep 2020 | Dec 2020 |