GeForce RTX 3090 vs Radeon RX 7900 XT
The Radeon RX 7900 XT is a big jump in performance — leading the GeForce RTX 3090 by roughly 28% in our performance index. It also comes out ahead on value, making it the straightforward pick if the price fits your budget.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 7900 XT vs GeForce RTX 3090: In-Depth Breakdown
Performance: Radeon RX 7900 XT vs GeForce RTX 3090
The Radeon RX 7900 XT is significantly faster, around 28% ahead of the GeForce RTX 3090. 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 3090 is better matched to 1440p.
Price & Value
On price, expect to pay $1,081 EUR for the Radeon RX 7900 XT versus $2,190 EUR for the GeForce RTX 3090. Because it's both faster and competitively priced, the Radeon RX 7900 XT wins on performance-per-dollar by about 160%. The Radeon RX 7900 XT still sits about $182 EUR above its $899 EUR MSRP. The GeForce RTX 3090 still sits about $691 EUR above its $1,499 EUR MSRP.
Power & Efficiency
The Radeon RX 7900 XT draws just 315W versus 350W for the GeForce RTX 3090, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom. Its more modern RDNA 3 architecture on a TSMC N5 process is part of why it does more with each watt.
VRAM & Future-Proofing
With 24GB against 20GB, the GeForce RTX 3090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 7900 XT's 20GB can fall short.
Generation & Longevity
The Radeon RX 7900 XT is roughly 2 years newer than the GeForce RTX 3090 (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 3090 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 3090 or Radeon RX 7900 XT?
The Radeon RX 7900 XT is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the GeForce RTX 3090 if you find it at a steep discount.
Frequently Asked Questions
Is the Radeon RX 7900 XT better than the GeForce RTX 3090?
Which is better for 4K gaming, the GeForce RTX 3090 or the Radeon RX 7900 XT?
Is the GeForce RTX 3090 worth the extra $1,109 EUR over the Radeon RX 7900 XT?
Does the GeForce RTX 3090 have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 3090 or Radeon RX 7900 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3090 | Radeon RX 7900 XT |
|---|---|---|
| Architecture | Ampere | RDNA 3 |
| Process Node | Samsung 8nm | TSMC N5 |
| CUDA Cores (CUDA Cores / Stream Processors) | 10,496✓ | 5,376 |
| Ray Tracing Cores | 82 | 84✓ |
| Tensor / AI Cores | 328✓ | 168 |
Clock Speeds
| Specification | GeForce RTX 3090 | Radeon RX 7900 XT |
|---|---|---|
| Base Clock | 1,395 MHz | 1,500 MHz✓ |
| Boost Clock | 1,695 MHz | 2,400 MHz✓ |
Memory
| Specification | GeForce RTX 3090 | Radeon RX 7900 XT |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 20 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 384-bit✓ | 320-bit |
| Memory Speed | 19.5 Gbps | 20 Gbps✓ |
| Bandwidth | 936 GB/s✓ | 800 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3090 | Radeon RX 7900 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 350 W | 315 W✓ |
| Power Connectors | 1x 12-pin | 2x 8-pin |
| Released | Sep 2020 | Nov 2022 |
Related Reading
GDDR5 vs GDDR6 vs GDDR6X vs GDDR7: Which VRAM Generation Actually Matters for Your GPU?
Not all VRAM is created equal. GDDR5, GDDR6, GDDR6X, GDDR7 — we break down what each generation actually delivers in bandwidth, power, and real-world impact so you can stop guessing and start buying smarter.
How to Run Powerful Local LLMs on a Budget GPU in 2026
An 8GB GPU can now run near-flagship open models locally. Here's how QAT, MoE, llama.cpp offloading and MTP turn a budget PC into a private AI rig in 2026.
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.