Performance comparison: which is faster?
GeForce GTX 660 (NVIDIA, 2012) and GeForce GTX 650 Ti (NVIDIA, 2012) are compared here. Compare scores and VRAM, generative AI usability, and CPUs that pair well with each GPU.
Overall performance: GTX 660 is about 25% faster
For generative AI, the higher-VRAM GTX 660（2GB） has the advantage. For gaming, prioritize performance score and CPU compatibility; for AI, prioritize VRAM.
Relative performance score (higher is faster). Actual fps varies by resolution, game, and CPU configuration.
| Item | GTX 660 | GTX 650 Ti |
|---|---|---|
| Performance Score | 3,500 | 2,800 |
| VRAM | 2GB | 1GB |
| Manufacturer | NVIDIA | NVIDIA |
| Series | GTX 600 | GTX 600 |
| Release Year | 2012 | 2012 |
| Compatible CPU Example | AMD A6-7470K | AMD Athlon II X3 445 |
These generative AI models can run on only one GPU because of the VRAM difference (Stable Diffusion, Flux, LLMs, and others).
— None (all models that run on GTX 660 also run here)
| If You Want To... | Recommended |
|---|---|
| Prioritize high fps and smooth performance in demanding games | GTX 660 |
| Run larger generative AI and LLM models | GTX 660 |
| Prioritize value and adequate performance | GTX 650 Ti (the lower model is often sufficient) |
GTX 660 is about 25% higher by score (GTX 660: 3500 points / GTX 650 Ti: 2800 points). Actual fps also varies by resolution, game, and CPU, so price is a reasonable deciding factor when the gap is only a few percent.
GTX 660 has 2GB of VRAM, while GTX 650 Ti has 1GB; GTX 660 has more. If image generation or a local LLM is even a possibility, the higher-VRAM option provides more room.
Using our guideline, AMD A6-7470K pairs well with GTX 660 and AMD Athlon II X3 445 with GTX 650 Ti (CPU:GPU ≈ 0.9:1). If the CPU is too weak, replacing the GPU may not raise fps, so check the combination before buying.
→ GTX 660 Details ／ GTX 650 Ti Details ／ Compare Another Combination
