GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Radeon RX 6900 XT is the clear winner, offering 89.0% better value than GeForce RTX 4080.
On raw speed the GeForce RTX 4080 comes out significantly faster — about 38% ahead of the Radeon RX 6900 XT. But the Radeon RX 6900 XT is the better value, undercutting it by $978 EUR for the performance you get.
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GeForce RTX 4080 vs Radeon RX 6900 XT: In-Depth Breakdown
Performance: GeForce RTX 4080 vs Radeon RX 6900 XT
The GeForce RTX 4080 is significantly faster, around 38% ahead of the Radeon RX 6900 XT. That gap is enough to move it up a tier: the GeForce RTX 4080 is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6900 XT is better matched to 1440p.
Price & Value
The Radeon RX 6900 XT currently lists from $612 EUR, $978 EUR less than the GeForce RTX 4080 at $1,590 EUR. Despite being slower, the Radeon RX 6900 XT offers the better performance-per-dollar (~89% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6900 XT is trading below its $999 EUR MSRP — a genuine deal. The GeForce RTX 4080 still sits about $391 EUR above its $1,199 EUR MSRP.
Power & Efficiency
On power, the Radeon RX 6900 XT is the gentler choice at 300W versus 320W. The GeForce RTX 4080 is more efficient per watt because it's faster, but its higher 320W draw means more heat and a bigger PSU. Its more modern Ada Lovelace architecture on a TSMC 4N process is part of why it does more with each watt.
Generation & Longevity
The GeForce RTX 4080 is roughly 2 years newer than the Radeon RX 6900 XT (Ada Lovelace 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 4080 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 4080 or Radeon RX 6900 XT?
Choose the GeForce RTX 4080 if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6900 XT stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the GeForce RTX 4080 better than the Radeon RX 6900 XT?
Which is better for 4K gaming, the GeForce RTX 4080 or the Radeon RX 6900 XT?
Is the GeForce RTX 4080 worth the extra $978 EUR over the Radeon RX 6900 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4080 | Radeon RX 6900 XT |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 2 |
| Process Node | TSMC 4N | TSMC N7 |
| CUDA Cores (CUDA Cores / Stream Processors) | 9,728✓ | 5,120 |
| Ray Tracing Cores | 76 | 80✓ |
| Tensor / AI Cores | 304 | — |
Clock Speeds
| Specification | GeForce RTX 4080 | Radeon RX 6900 XT |
|---|---|---|
| Base Clock | 2,205 MHz✓ | 1,825 MHz |
| Boost Clock | 2,505 MHz✓ | 2,250 MHz |
Memory
| Specification | GeForce RTX 4080 | Radeon RX 6900 XT |
|---|---|---|
| VRAM Capacity | 16 GB | 16 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 256-bit | 256-bit |
| Memory Speed | 22.4 Gbps✓ | 16 Gbps |
| Bandwidth | 716.8 GB/s✓ | 512 GB/s |
Connectivity & Power
| Specification | GeForce RTX 4080 | Radeon RX 6900 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 320 W | 300 W✓ |
| Power Connectors | 1x 16-pin | 2x 8-pin |
| Released | Sep 2022 | Dec 2020 |
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