GeForce RTX 3080 12GB vs Radeon RX 6600
On raw speed the GeForce RTX 3080 12GB comes out ahead: far and away the quicker card, about 147% ahead of the Radeon RX 6600. That said, the Radeon RX 6600 is the smarter buy on value — $1,844 AUD less for the performance on offer.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 3080 12GB vs Radeon RX 6600: In-Depth Breakdown
Performance: GeForce RTX 3080 12GB vs Radeon RX 6600
The GeForce RTX 3080 12GB is dramatically faster, around 147% ahead of the Radeon RX 6600. That gap is enough to move it up a tier: the GeForce RTX 3080 12GB is comfortable at 1440p, while the Radeon RX 6600 is better matched to 1080p.
Price & Value
The Radeon RX 6600 currently lists from $499 AUD, $1,844 AUD less than the GeForce RTX 3080 12GB at $2,343 AUD. Despite being slower, the Radeon RX 6600 offers the better performance-per-dollar (~90% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6600 still sits about $169 AUD above its $330 AUD MSRP. The GeForce RTX 3080 12GB still sits about $1,544 AUD above its $799 AUD MSRP.
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.
VRAM & Future-Proofing
VRAM favors the GeForce RTX 3080 12GB at 12GB versus 8GB on the Radeon RX 6600 — that extra 4GB matters most at 4K, with high-res texture packs, and for content-creation/local-AI work.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 3080 12GB 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 3080 12GB or Radeon RX 6600?
Choose the GeForce RTX 3080 12GB if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6600 stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the GeForce RTX 3080 12GB better than the Radeon RX 6600?
Which is better for 4K gaming, the GeForce RTX 3080 12GB or the Radeon RX 6600?
Is the GeForce RTX 3080 12GB worth the extra $1,844 AUD over the Radeon RX 6600?
Does the GeForce RTX 3080 12GB have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 3080 12GB or Radeon RX 6600?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3080 12GB | Radeon RX 6600 |
|---|---|---|
| Architecture | Ampere | RDNA 2 |
| Process Node | Samsung 8nm | TSMC N7 |
| CUDA Cores (CUDA Cores / Stream Processors) | 8,960✓ | 1,792 |
| Ray Tracing Cores | — | 28 |
Clock Speeds
| Specification | GeForce RTX 3080 12GB | Radeon RX 6600 |
|---|---|---|
| Base Clock | 1,440 MHz | 1,626 MHz✓ |
| Boost Clock | 1,710 MHz | 2,491 MHz✓ |
Memory
| Specification | GeForce RTX 3080 12GB | Radeon RX 6600 |
|---|---|---|
| VRAM Capacity | 12 GB✓ | 8 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 384-bit✓ | 128-bit |
| Memory Speed | 19 Gbps✓ | 14 Gbps |
| Bandwidth | 912 GB/s✓ | 224 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3080 12GB | Radeon RX 6600 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| TDP | 350 W | 132 W✓ |
| Power Connectors | 2x 8-pin | 1x 8-pin |
| Released | Jan 2022 | Oct 2021 |
