GeForce RTX 4080 vs Radeon RX 7900 GRE
Performance-wise the GeForce RTX 4080 is out front, significantly faster, roughly 28% up on the Radeon RX 7900 GRE. Value tips toward the Radeon RX 7900 GRE, though: $1,195 CAD cheaper for what you get.
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GeForce RTX 4080 vs Radeon RX 7900 GRE: In-Depth Breakdown
Performance: GeForce RTX 4080 vs Radeon RX 7900 GRE
The GeForce RTX 4080 is significantly faster, around 28% ahead of the Radeon RX 7900 GRE. Both cards sit in the same broad class, well suited to 4K with upscaling and native 1440p.
Price & Value
Right now the Radeon RX 7900 GRE starts at $605 CAD against $1,800 CAD for the GeForce RTX 4080. Despite being slower, the Radeon RX 7900 GRE offers the better performance-per-dollar (~133% better value), so budget-focused buyers should weigh it carefully. The GeForce RTX 4080 still sits about $601 CAD above its $1,199 CAD MSRP.
Power & Efficiency
The Radeon RX 7900 GRE is the lighter draw at 260W against the GeForce RTX 4080's 320W, making it the easier card to power and cool. The GeForce RTX 4080 draws more in absolute terms but squeezes out more performance per watt, so budget for a beefier PSU if you go that route.
Generation & Longevity
The Radeon RX 7900 GRE is roughly 2 years newer than the GeForce RTX 4080 (RDNA 3 vs Ada Lovelace), 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 7900 GRE 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 7900 GRE?
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 7900 GRE stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the GeForce RTX 4080 better than the Radeon RX 7900 GRE?
Which is better for 4K gaming, the GeForce RTX 4080 or the Radeon RX 7900 GRE?
Is the GeForce RTX 4080 worth the extra $1,195 CAD over the Radeon RX 7900 GRE?
Which should you buy: GeForce RTX 4080 or Radeon RX 7900 GRE?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4080 | Radeon RX 7900 GRE |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 3 |
| Process Node | TSMC 4N | TSMC N5 |
| CUDA Cores (CUDA Cores / Stream Processors) | 9,728✓ | 5,120 |
| Ray Tracing Cores | 76 | 80✓ |
| Tensor / AI Cores | 304✓ | 160 |
Clock Speeds
| Specification | GeForce RTX 4080 | Radeon RX 7900 GRE |
|---|---|---|
| Base Clock | 2,205 MHz✓ | 1,287 MHz |
| Boost Clock | 2,505 MHz✓ | 2,245 MHz |
Memory
| Specification | GeForce RTX 4080 | Radeon RX 7900 GRE |
|---|---|---|
| VRAM Capacity | 16 GB | 16 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 256-bit | 256-bit |
| Memory Speed | 22.4 Gbps✓ | 18 Gbps |
| Bandwidth | 716.8 GB/s✓ | 576 GB/s |
Connectivity & Power
| Specification | GeForce RTX 4080 | Radeon RX 7900 GRE |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 320 W | 260 W✓ |
| Power Connectors | 1x 16-pin | 2x 8-pin |
| Released | Sep 2022 | Feb 2024 |
