GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for GeForce RTX 3090 and Radeon RX 6600.
On raw speed the GeForce RTX 3090 comes out dramatically faster — about 160% ahead of the Radeon RX 6600.
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GeForce RTX 3090 vs Radeon RX 6600: In-Depth Breakdown
Performance: GeForce RTX 3090 vs Radeon RX 6600
The GeForce RTX 3090 is dramatically faster, around 160% ahead of the Radeon RX 6600. That gap is enough to move it up a tier: the GeForce RTX 3090 is comfortable at 1440p, while the Radeon RX 6600 is better matched to 1080p.
Power & Efficiency
At 132W against 350W, the Radeon RX 6600 is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern RDNA 2 architecture on a TSMC N7 process is part of why it does more with each watt.
VRAM & Future-Proofing
The GeForce RTX 3090 carries 24GB versus 8GB on the Radeon RX 6600. The extra 16GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 3090 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6600 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 6600?
The GeForce RTX 3090 is the faster card by about 160%. 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 6600?
Which is better for 4K gaming, the GeForce RTX 3090 or the Radeon RX 6600?
Does the GeForce RTX 3090 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3090 | Radeon RX 6600 |
|---|---|---|
| Architecture | Ampere | RDNA 2 |
| Process Node | Samsung 8nm | TSMC N7 |
| CUDA Cores (CUDA Cores / Stream Processors) | 10,496✓ | 1,792 |
| Ray Tracing Cores | 82✓ | 28 |
| Tensor / AI Cores | 328 | — |
Clock Speeds
| Specification | GeForce RTX 3090 | Radeon RX 6600 |
|---|---|---|
| Base Clock | 1,395 MHz | 1,626 MHz✓ |
| Boost Clock | 1,695 MHz | 2,491 MHz✓ |
Memory
| Specification | GeForce RTX 3090 | Radeon RX 6600 |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 8 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 384-bit✓ | 128-bit |
| Memory Speed | 19.5 Gbps✓ | 14 Gbps |
| Bandwidth | 936 GB/s✓ | 224 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3090 | Radeon RX 6600 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| TDP | 350 W | 132 W✓ |
| Power Connectors | 1x 12-pin | 1x 8-pin |
| Released | Sep 2020 | Oct 2021 |
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