Intel Arc A770 16GB vs AMD Radeon RX 7800 XT
For running models locally, priced in India. At 128k context the first runs 5 models fully in memory, the second 5.
In short
Both have 16 GB of memory for models; the Intel Arc A770 16GB has 560 GB/s of bandwidth and the AMD Radeon RX 7800 XT 624 GB/s. At 128k context both run the same 5 models we track fully in memory. On the models both run fully in memory, the AMD Radeon RX 7800 XT is about 1.2× as fast as the Intel Arc A770 16GB (estimated, median across models).
Updated . Speeds are estimates; how they are worked out.
Specifications
| Spec | Intel Arc A770 16GB | AMD Radeon RX 7800 XT |
|---|---|---|
| GPU | Arc A770 16GB | Radeon RX 7800 XT |
| Memory | 16 GB GDDR6 | 16 GB GDDR6 |
| Memory bus | 256-bit | 256-bit |
| Memory bandwidth | 560 GB/s | 624 GB/s |
| FP16 compute | 131 TFLOPS | 74 TFLOPS |
| Software | SYCL / oneAPI | ROCm |
| Board power | 225 W | 263 W |
| PCIe generation | Gen 4 | Gen 4 |
| PCIe lanes | x16 | x16 |
What each runs
Estimated decode speed with the most precise quant that fits each one est.
| Model | Intel Arc A770 16GB | AMD Radeon RX 7800 XT |
|---|---|---|
| Gemma 4 12B | 23tok/sQ6_K | 28tok/sQ6_K |
| Qwen 3.5 9B | 20tok/sQ8_0 | 25tok/sQ8_0 |
| Qwen 3.5 4B | 32tok/sQ8_0 | 39tok/sQ8_0 |
| Gemma 4 E4B | 23tok/sQ8_0 | 29tok/sQ8_0 |
| LFM2.5 8B-A1B | 21tok/sUD-Q6_K | 28tok/sUD-Q6_K |
| Qwen 3.8 27B | offload | offload |
| Qwen 3.6 27B | offload | offload |
| Gemma 4 31B | offload | offload |
| Qwen 3.6 35B-A3B | offload | offload |
| Qwen 3.5 27B | offload | offload |
| Gemma 4 26B-A4B | offload | offload |
| Qwen 3.5 35B-A3B | offload | offload |
| GLM 4.7 Flash | offload | offload |
| Devstral Small 2 24B | offload | offload |
| Nemotron 3.5 Lightning 30B-A3B | offload | offload |
| gpt-oss 20B | offload | offload |
| Kimi Linear 48B-A3B | offload | offload |
| Qwen3 Coder 30B-A3B | offload | offload |
| Gemma 3 27B | offload | offload |
| Mistral Small 3.2 24B | offload | offload |
| Ministral 3 14B | offload | offload |
| Qwen3 14B | offload | offload |
| DeepSeek R1 0528 Qwen3 8B | offload | offload |
| Qwen3 8B | offload | offload |
| Phi-4 14B | offload | offload |
| Ministral 3 8B | offload | offload |
| Granite 4.2 8B | offload | offload |
| Llama 3.1 8B | offload | offload |
| DeepSeek V4 Flash | won't run | won't run |
| GLM 5.3 Flash | won't run | won't run |
| Qwen 3.8 Flash Next | won't run | won't run |
| MiniMax M2.7 | won't run | won't run |
| Qwen 3.5 122B-A10B | won't run | won't run |
| Nemotron 3 Super 120B-A12B | won't run | won't run |
| Qwen3 Coder Next | won't run | won't run |
| gpt-oss 120B | won't run | won't run |
| Mistral Small 4 119B | won't run | won't run |
| GLM 4.5 Air | won't run | won't run |
| Qwen3 Next 80B-A3B | won't run | won't run |
| Qwen3 32B | won't run | won't run |
| DeepSeek R1 Distill Qwen 32B | won't run | won't run |
| Llama 3.3 70B | won't run | won't run |
Questions
- Which is better for local AI, the Intel Arc A770 16GB or the AMD Radeon RX 7800 XT?
- Choose the AMD Radeon RX 7800 XT for speed.
- Which can run bigger models, the Intel Arc A770 16GB or the AMD Radeon RX 7800 XT?
- At 128k context both run the same 5 models we track fully in memory.
- Which is faster for local AI, the Intel Arc A770 16GB or the AMD Radeon RX 7800 XT?
- On the models both run fully in memory, the AMD Radeon RX 7800 XT is about 1.2× as fast as the Intel Arc A770 16GB (estimated, median across models).
More comparisons
- Intel Arc A770 16GB vs Intel Arc B580
- Intel Arc A770 16GB vs Intel Arc Pro B60
- Intel Arc A770 16GB vs NVIDIA GeForce RTX 5060 Ti 16GB
- Intel Arc A770 16GB vs AMD Radeon RX 9070 XT
- NVIDIA GeForce RTX 4070 Ti Super vs AMD Radeon RX 7800 XT
- AMD Radeon RX 7800 XT vs AMD Radeon RX 7900 XT
- AMD Radeon RX 7800 XT vs AMD Radeon RX 9070 XT