AMD Radeon RX 7800 XT
16 GB · 624 GB/s · 263 W
Prices
Every retailer we track in Canada, cheapest first. Buy links may earn us a commission.
No retailer in this market lists it right now.
What it runs
Every model in the catalogue, with the best quant for this hardware. Estimates, not measurements.
| Model | Quant | Fits | Memory | Max context | Decode @64k | Prefill | Good for |
|---|---|---|---|---|---|---|---|
| gpt-oss 20B OpenAI | MXFP4 | fits | 14.0 GB | 106k128k with q8 cache | 51tok/sest. | 1744 tok/s | chat, coding, agents, long documents |
| Gemma 4 12B | Q8_0 | fits | 14.3 GB | 106k171k with q8 cache | 24tok/sest. | 897 tok/s | chat, coding, long documents |
| Qwen 3.5 9B Alibaba Qwen | Q8_0 | fits | 12.1 GB | 147k243k with q8 cache | 29tok/sest. | 1097 tok/s | chat, coding, long documents |
| DeepSeek R1 0528 Qwen3 8B DeepSeek | Q4_K_M | fits | 14.9 GB | 66k120k with q8 cache | 23tok/sest. | 725 tok/s | chat, coding |
| Qwen3 8B Alibaba Qwen | Q4_K_M | fits | 14.9 GB | 40k | 23tok/sest. | 725 tok/s | chat, coding |
| Qwen 3.5 4B Alibaba Qwen | Q8_0 | fits | 7.4 GB | 256k | 51tok/sest. | 1902 tok/s | chat, coding, long documents |
| Ministral 3 8B Mistral AI | Q4_K_M | fits | 14.5 GB | 68k125k with q8 cache | 24tok/sest. | 718 tok/s | chat, coding |
| Gemma 4 E4B | Q8_0 | fits | 10.6 GB | 128k | 34tok/sest. | 1437 tok/s | chat, coding, long documents |
| LFM2.5 8B-A1B Liquid AI | Q8_0 | fits | 12.6 GB | 113k125k with q8 cache | 48tok/sest. | 3068 tok/s | chat, coding, long documents |
| Llama 3.1 8B Meta | Q5_K_M | fits | 14.5 GB | 69k125k with q8 cache | 24tok/sest. | 779 tok/s | chat, coding |
| Qwen 3.8 27B Alibaba Qwen | UD-Q4_K_M | offload | 20.6 GB | – | 7tok/sest. | 315 tok/s | – |
| Qwen 3.6 27B Alibaba Qwen | Q4_K_M | offload | 21.0 GB | – | 6tok/sest. | 312 tok/s | – |
| Gemma 4 31B | Q4_K_M | offload | 24.0 GB | – | 5tok/sest. | 266 tok/s | – |
| Mistral Small 4 119B Mistral AI | UD-Q2_K_XL | offload | 40.0 GB | – | 12tok/sest. | 478 tok/s | chat |
| Qwen 3.6 35B-A3B Alibaba Qwen | UD-Q4_K_M | offload | 23.1 GB | – | 22tok/sest. | 1786 tok/s | chat, coding |
| Qwen 3.5 27B Alibaba Qwen | Q4_K_M | offload | 20.9 GB | – | 6tok/sest. | 313 tok/s | – |
| Gemma 4 26B-A4B | UD-Q4_K_M | offload | 18.4 GB | – | 25tok/sest. | 2072 tok/s | chat, coding, agents, long documents |
| Qwen 3.5 35B-A3B Alibaba Qwen | Q4_K_M | offload | 23.0 GB | – | 22tok/sest. | 1790 tok/s | chat, coding |
| GLM 4.7 Flash Z.ai | Q4_K_M | offload | 21.5 GB | – | 12tok/sest. | 919 tok/s | chat |
| Devstral Small 2 24B Mistral AI | Q4_K_M | offload | 24.5 GB | 6k11k with q8 cache | 4tok/sest. | 283 tok/s | chat |
| Nemotron 3.5 Lightning 30B-A3B NVIDIA | UD-Q6_K_XL | offload | 34.2 GB | – | 13tok/sest. | 1839 tok/s | – |
| Kimi Linear 48B-A3B Moonshot AI | Q4_K_M | offload | 29.7 GB | – | 23tok/sest. | 1272 tok/s | chat, coding, long documents |
| Qwen3 Coder 30B-A3B Alibaba Qwen | Q4_K_M | offload | 24.5 GB | – | 8tok/sest. | 621 tok/s | chat |
| Qwen3 32B Alibaba Qwen | Q4_K_M | offload | 35.6 GB | – | 2tok/sest. | 124 tok/s | – |
| Gemma 3 27B | Q4_K_M | offload | 22.0 GB | – | 6tok/sest. | 341 tok/s | – |
| Mistral Small 3.2 24B Mistral AI | Q4_K_M | offload | 24.5 GB | 6k11k with q8 cache | 4tok/sest. | 283 tok/s | chat |
| DeepSeek R1 Distill Qwen 32B DeepSeek | Q4_K_M | offload | 35.7 GB | – | 2tok/sest. | 154 tok/s | – |
| Ministral 3 14B Mistral AI | Q4_K_M | offload | 18.8 GB | 41k75k with q8 cache | 9tok/sest. | 460 tok/s | chat, coding |
| Qwen3 14B Alibaba Qwen | Q4_K_M | offload | 19.6 GB | 37k40k with q8 cache | 8tok/sest. | 394 tok/s | chat, coding |
| Phi-4 14B Microsoft | Q4_K_M | offload | 22.0 GB | 16k | 6tok/sest. | 371 tok/s | chat |
| Granite 4.2 8B IBM | Q4_K_M | offload | 16.3 GB | 57k103k with q8 cache | 15tok/sest. | 633 tok/s | chat, coding, agents |
| DeepSeek V4 Flash DeepSeek | UD-Q2_K_XL | won't run | 96.7 GB | – | – | – | – |
| GLM 5.3 Flash Z.ai | UD-Q2_K_XL | won't run | 103.2 GB | – | – | – | – |
| Qwen 3.8 Flash Next Alibaba Qwen | UD-Q2_K_XL | won't run | 76.2 GB | – | – | – | – |
| MiniMax M2.7 MiniMax | UD-Q2_K_XL | won't run | 86.8 GB | – | – | – | – |
| Qwen 3.5 122B-A10B Alibaba Qwen | UD-Q2_K_XL | won't run | 41.8 GB | – | – | – | – |
| Nemotron 3 Super 120B-A12B NVIDIA | UD-Q2_K_XL | won't run | 52.7 GB | – | – | – | – |
| Qwen3 Coder Next Alibaba Qwen | Q4_K_M | won't run | 47.9 GB | – | – | – | – |
| gpt-oss 120B OpenAI | MXFP4 | won't run | 62.5 GB | – | – | – | – |
| GLM 4.5 Air Z.ai | Q2_K | won't run | 54.9 GB | – | – | – | – |
| Qwen3 Next 80B-A3B Alibaba Qwen | Q4_K_M | won't run | 47.9 GB | – | – | – | – |
| Llama 3.3 70B Meta | Q4_K_M | won't run | 60.8 GB | – | – | – | – |
Specifications
From the manufacturer's published specifications; sources are linked where we have them.
- GPU
- Radeon RX 7800 XT
- Memory
- 16 GB GDDR6
- Memory bus
- 256-bit
- Memory bandwidth
- 624 GB/s
- FP16 compute
- 74 TFLOPS
- Software
- ROCm
- Board power
- 263 W
- PCIe generation
- Gen 4
- PCIe lanes
- x16