Performance comparison: which is faster?
Radeon HD 7970 (AMD, 2012) and Radeon R9 380X (AMD, 2015) are compared here. Compare scores and VRAM, generative AI usability, and CPUs that pair well with each GPU.
Overall performance: nearly equal
For generative AI, the higher-VRAM R9 380X（4GB） 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 | HD 7970 | R9 380X |
|---|---|---|
| Performance Score | 5,500 | 5,500 |
| VRAM | 3GB | 4GB |
| Manufacturer | AMD | AMD |
| Series | HD 7000 | R9 |
| Release Year | 2012 | 2015 |
| Compatible CPU Example | AMD FX-4300 | AMD FX-4300 |
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 R9 380X also run here)
| If You Want To... | Recommended |
|---|---|
| Prioritize high fps and smooth performance in demanding games | HD 7970 |
| Run larger generative AI and LLM models | R9 380X |
| Prioritize value and adequate performance | HD 7970 (the lower model is often sufficient) |
Their scores are nearly identical (HD 7970: 5500 points / R9 380X: 5500 points). In this case, compare price, VRAM, and power draw.
HD 7970 has 3GB of VRAM, while R9 380X has 4GB; R9 380X has more. If image generation or a local LLM is even a possibility, the higher-VRAM option provides more room.
Using our guideline, AMD FX-4300 pairs well with HD 7970 and AMD FX-4300 with R9 380X (CPU:GPU ≈ 0.9:1). If the CPU is too weak, replacing the GPU may not raise fps, so check the combination before buying.
→ HD 7970 Details ／ R9 380X Details ／ Compare Another Combination
