GeForce RTX 3060 8GB vs GeForce RTX 3080 12GB
The GeForce RTX 3080 12GB is a massive performance leap — leading the GeForce RTX 3060 8GB by roughly 131% in our performance index.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 3080 12GB vs GeForce RTX 3060 8GB: In-Depth Breakdown
Performance: GeForce RTX 3080 12GB vs GeForce RTX 3060 8GB
The GeForce RTX 3080 12GB is dramatically faster, around 131% ahead of the GeForce RTX 3060 8GB. That gap is enough to move it up a tier: the GeForce RTX 3080 12GB is comfortable at 1440p, while the GeForce RTX 3060 8GB is better matched to 1080p. The GeForce RTX 3080 12GB packs 8,960 CUDA cores versus 3,584 on the GeForce RTX 3060 8GB.
Power & Efficiency
The GeForce RTX 3060 8GB pulls less power (170W vs 350W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 3080 12GB draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it.
VRAM & Future-Proofing
With 12GB against 8GB, the GeForce RTX 3080 12GB has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce RTX 3060 8GB's 8GB can fall short. The GeForce RTX 3080 12GB's memory is also faster — 912 GB/s versus 240 GB/s (384-bit vs 128-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 3060 8GB or GeForce RTX 3080 12GB?
The GeForce RTX 3080 12GB is the faster card by about 131%. 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 3080 12GB better than the GeForce RTX 3060 8GB?
Which is better for 4K gaming, the GeForce RTX 3060 8GB or the GeForce RTX 3080 12GB?
Does the GeForce RTX 3080 12GB have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 3060 8GB or GeForce RTX 3080 12GB?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3060 8GB | GeForce RTX 3080 12GB |
|---|---|---|
| Architecture | Ampere | Ampere |
| Process Node | Samsung 8nm | Samsung 8nm |
| CUDA Cores (CUDA Cores / CUDA Cores) | 3,584 | 8,960✓ |
| Ray Tracing Cores | 28 | — |
| Tensor / AI Cores | 112 | — |
Clock Speeds
| Specification | GeForce RTX 3060 8GB | GeForce RTX 3080 12GB |
|---|---|---|
| Base Clock | 1,320 MHz | 1,440 MHz✓ |
| Boost Clock | 1,777 MHz✓ | 1,710 MHz |
Memory
| Specification | GeForce RTX 3060 8GB | GeForce RTX 3080 12GB |
|---|---|---|
| VRAM Capacity | 8 GB | 12 GB✓ |
| Memory Type | GDDR6 | GDDR6X |
| Memory Bus | 128-bit | 384-bit✓ |
| Memory Speed | 15 Gbps | 19 Gbps✓ |
| Bandwidth | 240 GB/s | 912 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 3060 8GB | GeForce RTX 3080 12GB |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 170 W✓ | 350 W |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Released | Feb 2021 | Jan 2022 |