GeForce RTX 4080 vs Radeon RX 7900 XTX
On performance, the GeForce RTX 4080 and Radeon RX 7900 XTX are effectively a dead heat — under a few percent apart.
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Radeon RX 7900 XTX vs GeForce RTX 4080: In-Depth Breakdown
Performance: Radeon RX 7900 XTX vs GeForce RTX 4080
The GeForce RTX 4080 and Radeon RX 7900 XTX post nearly the same score in our performance index, so neither holds a meaningful raw-speed advantage. Both are best suited to 4K with upscaling and native 1440p gaming.
Power & Efficiency
The GeForce RTX 4080 sips power at 320W next to the Radeon RX 7900 XTX's 355W, and still leads on performance-per-watt — quieter, cooler, and gentler on your PSU.
VRAM & Future-Proofing
The Radeon RX 7900 XTX's 24GB (vs 16GB on the GeForce RTX 4080) gives it more room for 4K textures and memory-hungry creative or AI workloads.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 4080 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 7900 XTX 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 XTX?
The Radeon RX 7900 XTX is the faster card. 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 Radeon RX 7900 XTX better than the GeForce RTX 4080?
Which is better for 4K gaming, the GeForce RTX 4080 or the Radeon RX 7900 XTX?
Does the Radeon RX 7900 XTX have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 4080 or Radeon RX 7900 XTX?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4080 | Radeon RX 7900 XTX |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 3 |
| Process Node | TSMC 4N | TSMC N5 |
| CUDA Cores (CUDA Cores / Stream Processors) | 9,728✓ | 6,144 |
| Ray Tracing Cores | 76 | 96✓ |
| Tensor / AI Cores | 304✓ | 192 |
Clock Speeds
| Specification | GeForce RTX 4080 | Radeon RX 7900 XTX |
|---|---|---|
| Base Clock | 2,205 MHz✓ | 1,900 MHz |
| Boost Clock | 2,505 MHz✓ | 2,500 MHz |
Memory
| Specification | GeForce RTX 4080 | Radeon RX 7900 XTX |
|---|---|---|
| VRAM Capacity | 16 GB | 24 GB✓ |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 256-bit | 384-bit✓ |
| Memory Speed | 22.4 Gbps✓ | 20 Gbps |
| Bandwidth | 716.8 GB/s | 960 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 4080 | Radeon RX 7900 XTX |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 320 W✓ | 355 W |
| Power Connectors | 1x 16-pin | 2x 8-pin |
| Released | Sep 2022 | Nov 2022 |
Related Reading
Used RTX 4080 vs New RTX 5070 Ti: Which 16GB Card Should You Buy?
Two 16GB cards, two very different propositions: raw Ada rasterization with used-market risk, or a newer feature set and a warranty. Here's the decision, spec by spec.
RX 7900 XT in 2026: What 20GB Actually Buys You Now That FSR 4 Has Passed It By
The RX 7900 XT has more VRAM than almost anything near its price and is locked out of AMD's current upscaler. That single tension decides whether it is a bargain or a trap — here's how to tell which one it is for you.