GeForce RTX 3080 vs Radeon RX 7900 XT
On raw speed the Radeon RX 7900 XT comes out ahead: far and away the quicker card, about 43% ahead of the GeForce RTX 3080. That said, the GeForce RTX 3080 is the smarter buy on value — $331 CAD less for the performance on offer.
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Radeon RX 7900 XT vs GeForce RTX 3080: In-Depth Breakdown
Performance: Radeon RX 7900 XT vs GeForce RTX 3080
The Radeon RX 7900 XT is dramatically faster, around 43% ahead of the GeForce RTX 3080. That gap is enough to move it up a tier: the Radeon RX 7900 XT is comfortable at 4K with upscaling and native 1440p, while the GeForce RTX 3080 is better matched to 1440p.
Price & Value
The GeForce RTX 3080 currently lists from $569 CAD, $331 CAD less than the Radeon RX 7900 XT at $900 CAD. Despite being slower, the GeForce RTX 3080 offers the better performance-per-dollar (~11% better value), so budget-focused buyers should weigh it carefully. The GeForce RTX 3080 is trading below its $699 CAD MSRP — a genuine deal.
VRAM & Future-Proofing
VRAM favors the Radeon RX 7900 XT at 20GB versus 10GB on the GeForce RTX 3080 — that extra 10GB matters most at 4K, with high-res texture packs, and for content-creation/local-AI work.
Generation & Longevity
The Radeon RX 7900 XT is roughly 2 years newer than the GeForce RTX 3080 (RDNA 3 vs Ampere), so it generally benefits from a more modern architecture and longer driver-support runway.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 3080 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 7900 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 7900 XT?
Choose the Radeon RX 7900 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 7900 XT better than the GeForce RTX 3080?
Which is better for 4K gaming, the GeForce RTX 3080 or the Radeon RX 7900 XT?
Is the Radeon RX 7900 XT worth the extra $331 CAD over the GeForce RTX 3080?
Does the Radeon RX 7900 XT have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 3080 or Radeon RX 7900 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3080 | Radeon RX 7900 XT |
|---|---|---|
| Architecture | Ampere | RDNA 3 |
| Process Node | Samsung 8nm | TSMC N5 |
| CUDA Cores (CUDA Cores / Stream Processors) | 8,704✓ | 5,376 |
| Ray Tracing Cores | 68 | 84✓ |
| Tensor / AI Cores | 272✓ | 168 |
Clock Speeds
| Specification | GeForce RTX 3080 | Radeon RX 7900 XT |
|---|---|---|
| Base Clock | 1,440 MHz | 1,500 MHz✓ |
| Boost Clock | 1,710 MHz | 2,400 MHz✓ |
Memory
| Specification | GeForce RTX 3080 | Radeon RX 7900 XT |
|---|---|---|
| VRAM Capacity | 10 GB | 20 GB✓ |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 320-bit | 320-bit |
| Memory Speed | 19 Gbps | 20 Gbps✓ |
| Bandwidth | 760 GB/s | 800 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 3080 | Radeon RX 7900 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 320 W | 315 W✓ |
| Power Connectors | 1x 12-pin | 2x 8-pin |
| Released | Sep 2020 | Nov 2022 |
Related Reading
RX 7900 XT in 2026: What 20GB Actually Buys You Now That FSR 4 Has Passed It By
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GDDR5 vs GDDR6 vs GDDR6X vs GDDR7: Which VRAM Generation Actually Matters for Your GPU?
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