NVIDIA RTX PRO 4000 Blackwell vs AMD Radeon RX 7900 XT
For running models locally, priced in Canada. At 128k context the first runs 31 models fully in memory, the second 25.
In short
The NVIDIA RTX PRO 4000 Blackwell has more memory for models: 24 GB against 20 GB. At 128k context the NVIDIA RTX PRO 4000 Blackwell runs 31 of the models we track fully in memory and the AMD Radeon RX 7900 XT 25; only the NVIDIA RTX PRO 4000 Blackwell holds Gemma 4 26B-A4B. On the models both run fully in memory, the AMD Radeon RX 7900 XT is about 1.1× as fast as the NVIDIA RTX PRO 4000 Blackwell (estimated, median across models). In Canada the NVIDIA RTX PRO 4000 Blackwell costs $2,810 at Amazon and the AMD Radeon RX 7900 XT $879 at Amazon: the AMD Radeon RX 7900 XT is $1,931 cheaper.
Updated . Speeds are estimates; how they are worked out.
Specifications
| Spec | NVIDIA RTX PRO 4000 Blackwell | AMD Radeon RX 7900 XT |
|---|---|---|
| GPU | RTX PRO 4000 Blackwell | Radeon RX 7900 XT |
| Memory | 24 GB GDDR7 | 20 GB GDDR6 |
| Memory bus | 192-bit | 320-bit |
| Memory bandwidth | 672 GB/s | 800 GB/s |
| FP16 compute | 46.9 TFLOPS | 103 TFLOPS |
| Software | CUDA | ROCm |
| Board power | 145 W | 315 W |
| PCIe generation | Gen 5 | Gen 4 |
| PCIe lanes | x16 | x16 |
What each runs
Estimated decode speed with the most precise quant that fits each one est.
| Model | NVIDIA RTX PRO 4000 Blackwell | AMD Radeon RX 7900 XT |
|---|---|---|
| Gemma 4 26B-A4B | 43tok/sQ5_K_M | offload |
| gpt-oss 20B | 44tok/sMXFP4 | 47tok/sMXFP4 |
| Gemma 4 12B | 28tok/sQ8_0 | 29tok/sQ8_0 |
| Qwen 3.5 9B | 30tok/sQ8_0 | 32tok/sQ8_0 |
| Qwen 3.5 4B | 47tok/sQ8_0 | 50tok/sQ8_0 |
| Ministral 3 8B | 18tok/sQ4_K_M | offload |
| Gemma 4 E4B | 35tok/sQ8_0 | 37tok/sQ8_0 |
| LFM2.5 8B-A1B | 33tok/sQ8_0 | 35tok/sQ8_0 |
| Llama 3.1 8B | 18tok/sQ5_K_M | offload |
| Qwen2.5 0.5B | 195tok/sQ8_0 | 205tok/sQ8_0 |
| Qwen3.5 0.8B | 171tok/sQ8_0 | 180tok/sQ8_0 |
| Qwen3.5 2B | 136tok/sQ5_K_M | 144tok/sQ5_K_M |
| DeepSeek R1 Distill Qwen 1.5B | 74tok/sQ8_0 | 78tok/sQ8_0 |
| Mellum2.1 12B A2.5B Thinking | 55tok/sQ8_0 | 58tok/sQ8_0 |
| Spark X2.5 4B | 53tok/smlx-4bit | 56tok/smlx-4bit |
| MiniCPM5 2B | 50tok/sQ8_0 | 53tok/sQ8_0 |
| FrogNano 4B 2609 | 47tok/sQ8_0 | 49tok/sQ8_0 |
| LFM2.5 2.6B | 38tok/sQ8_0 | 40tok/sQ8_0 |
| LFM2.5 VL 3B | 38tok/sQ8_0 | 40tok/sQ8_0 |
| Kimi VL A3B Thinking 2506 | 35tok/sQ8_0 | 44tok/sQ4_K_M |
| Kimi VL A3B | 34tok/smlx-8bit | 40tok/smlx-6bit |
| GLM 4 9B 0414 | 31tok/smlx-5bit | 32tok/smlx-5bit |
| granite vision 4.1 4b | 29tok/sQ8_0 | 31tok/sQ8_0 |
| granite 4.2 3b | 29tok/sQ8_0 | 30tok/sQ8_0 |
| GLM 4.6V Flash | 27tok/sQ8_0 | 29tok/sQ8_0 |
| DeepSeek R1 Distill Qwen 7B | 27tok/sQ8_0 | 28tok/sQ8_0 |
| GLM 4.1V 9B Thinking | 24tok/smlx-8bit | 26tok/smlx-8bit |
| Ministral 3 3B Instruct 2512 | 24tok/sQ8_0 | 25tok/sQ8_0 |
| Muse Glimmer 30B | 19tok/sQ5_K_M | offload |
| DeepSeek R1 Distill Llama 8B | 18tok/sQ5_K_M | offload |
| Ministral 3 8B Reasoning 2512 | 18tok/sQ4_K_M | offload |
| Qwen 3.8 27B | offload | offload |
| Qwen 3.5 122B-A10B | offload | offload |
| Qwen 3.6 27B | offload | offload |
| Gemma 4 31B | offload | offload |
| Mistral Small 4 119B | offload | offload |
| Qwen 3.6 35B-A3B | offload | offload |
| Qwen 3.5 27B | 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 |
| 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 |
| Granite 4.2 8B | offload | offload |
| LFM2.5 24B A2B | offload | offload |
| Qwen3.8 27B OBLITERATED | offload | offload |
| Ministral 3 14B Reasoning 2512 | offload | offload |
| DeepSeek R1 Distill Qwen 14B | offload | offload |
| Devstral Small 2507 | offload | offload |
| Magistral Small 2506 | offload | offload |
| Magistral Small 2507 | offload | offload |
| Magistral Small 2509 | 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 |
| 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 |
| 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 |
| DeepSeek R1 | won't run | won't run |
| DeepSeek R1 0528 | won't run | won't run |
| DeepSeek R1 Distill Llama 70B | won't run | won't run |
| DeepSeek R1 Zero | won't run | won't run |
| DeepSeek V3 | won't run | won't run |
| DeepSeek V3 0324 | won't run | won't run |
| DeepSeek V3.1 | won't run | won't run |
| DeepSeek V3.1 Terminus | won't run | won't run |
| DeepSeek V3.2 | won't run | won't run |
| DeepSeek V4 Flash 0731 | won't run | won't run |
| DeepSeek V4 Flash Vision Exp | won't run | won't run |
| Devstral 2 123B Instruct 2512 | won't run | won't run |
| GLM 4.5 | won't run | won't run |
| GLM 4.5V | won't run | won't run |
| GLM 4.6 | won't run | won't run |
| GLM 4.6V | won't run | won't run |
| GLM 4.7 | won't run | won't run |
| GLM 5 | won't run | won't run |
| GLM 5.1 | won't run | won't run |
| GLM 5.2 | won't run | won't run |
| GLM 5.3 | won't run | won't run |
| Kimi Dev 72B | won't run | won't run |
| Kimi K2 | won't run | won't run |
| Kimi K2 Instruct 0905 | won't run | won't run |
| Kimi K2 Thinking | won't run | won't run |
| Kimi K2.5 | won't run | won't run |
| MiniMax M2 | won't run | won't run |
| MiniMax M2.1 | won't run | won't run |
| MiniMax M2.5 | won't run | won't run |
| MiniMax M3 | won't run | won't run |
| Mistral Medium 3.5 128B | won't run | won't run |
| granite 4.2 30b | won't run | won't run |
Questions
- Which is better for local AI, the NVIDIA RTX PRO 4000 Blackwell or the AMD Radeon RX 7900 XT?
- Choose the NVIDIA RTX PRO 4000 Blackwell to run bigger models. Choose the AMD Radeon RX 7900 XT for speed. Choose the AMD Radeon RX 7900 XT to spend less.
- Which can run bigger models, the NVIDIA RTX PRO 4000 Blackwell or the AMD Radeon RX 7900 XT?
- At 128k context the NVIDIA RTX PRO 4000 Blackwell runs 31 of the models we track fully in memory and the AMD Radeon RX 7900 XT 25; only the NVIDIA RTX PRO 4000 Blackwell holds Gemma 4 26B-A4B.
- Which is faster for local AI, the NVIDIA RTX PRO 4000 Blackwell or the AMD Radeon RX 7900 XT?
- On the models both run fully in memory, the AMD Radeon RX 7900 XT is about 1.1× as fast as the NVIDIA RTX PRO 4000 Blackwell (estimated, median across models).
- What is the price difference between the NVIDIA RTX PRO 4000 Blackwell and the AMD Radeon RX 7900 XT?
- In Canada the NVIDIA RTX PRO 4000 Blackwell costs $2,810 at Amazon and the AMD Radeon RX 7900 XT $879 at Amazon: the AMD Radeon RX 7900 XT is $1,931 cheaper.
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