GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Only verified data for GeForce RTX 3090 is available. Benchmarks for other models are currently being processed.
The GeForce RTX 3090 is noticeably faster than the Radeon RX 7900M, leading by roughly 8% in our performance index.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 3090 vs Radeon RX 7900M: In-Depth Breakdown
Performance: GeForce RTX 3090 vs Radeon RX 7900M
The GeForce RTX 3090 is noticeably faster, around 8% ahead of the Radeon RX 7900M. Both cards sit in the same broad class, well suited to 1440p.
Power & Efficiency
The Radeon RX 7900M draws just 180W 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 16GB, the GeForce RTX 3090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 7900M's 16GB can fall short.
Generation & Longevity
The Radeon RX 7900M is roughly 3 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 7900M 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 7900M?
The GeForce RTX 3090 is the faster card by about 8%. 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 GeForce RTX 3090 better than the Radeon RX 7900M?
Which is better for 4K gaming, the GeForce RTX 3090 or the Radeon RX 7900M?
Does the GeForce RTX 3090 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3090 | Radeon RX 7900M |
|---|---|---|
| Architecture | Ampere | RDNA 3 |
| Process Node | Samsung 8nm | TSMC N5 |
| CUDA Cores (CUDA Cores / Stream Processors) | 10,496✓ | 4,608 |
| Ray Tracing Cores | 82✓ | 72 |
| Tensor / AI Cores | 328✓ | 144 |
Clock Speeds
| Specification | GeForce RTX 3090 | Radeon RX 7900M |
|---|---|---|
| Base Clock | 1,395 MHz | 1,825 MHz✓ |
| Boost Clock | 1,695 MHz | 2,090 MHz✓ |
Memory
| Specification | GeForce RTX 3090 | Radeon RX 7900M |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 16 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 384-bit✓ | 256-bit |
| Memory Speed | 19.5 Gbps✓ | 18 Gbps |
| Bandwidth | 936 GB/s✓ | 576 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3090 | Radeon RX 7900M |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 350 W | 180 W✓ |
| Power Connectors | 1x 12-pin | None |
| Released | Sep 2020 | Oct 2023 |
