readygpu

NVIDIA RTX PRO 4000 Blackwell vs NVIDIA RTX PRO 4500 Blackwell

For running models locally, priced in Canada. At 8k context the first runs 60 models fully in memory, the second 61.

In short

The NVIDIA RTX PRO 4500 Blackwell has more memory for models: 32 GB against 24 GB. At 8k context the NVIDIA RTX PRO 4500 Blackwell runs 61 of the models we track fully in memory and the NVIDIA RTX PRO 4000 Blackwell 60; only the NVIDIA RTX PRO 4500 Blackwell holds Kimi Linear 48B-A3B. On the models both run fully in memory, the NVIDIA RTX PRO 4500 Blackwell is about 1.3× 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 NVIDIA RTX PRO 4500 Blackwell $8,900 at Amazon: the NVIDIA RTX PRO 4000 Blackwell is $6,090 cheaper.

Updated . Speeds are estimates; how they are worked out.

NVIDIA RTX PRO 4000 Blackwell

$2,810

Amazon

Add to build
NVIDIA RTX PRO 4500 Blackwell

$8,900

Amazon

Add to build

Specifications

SpecNVIDIA RTX PRO 4000 BlackwellNVIDIA RTX PRO 4500 Blackwell
GPURTX PRO 4000 BlackwellRTX PRO 4500 Blackwell
Memory24 GB GDDR732 GB GDDR7
Memory bus192-bit256-bit
Memory bandwidth672 GB/s896 GB/s
FP16 compute46.9 TFLOPS54.94 TFLOPS
SoftwareCUDACUDA
Board power145 W200 W
PCIe generationGen 5Gen 5
PCIe lanesx16x16

What each runs

Estimated decode speed with the most precise quant that fits each one est.

ModelNVIDIA RTX PRO 4000 BlackwellNVIDIA RTX PRO 4500 Blackwell
Qwen 3.8 27B18tok/sUD-Q6_K19tok/sQ8_0
Qwen 3.6 27B18tok/sQ6_K19tok/sQ8_0
Gemma 4 31B18tok/sQ5_K_M21tok/sQ6_K
Qwen 3.6 35B-A3B120tok/sQ4_K_M119tok/sQ6_K
Qwen 3.5 27B18tok/sQ6_K19tok/sQ8_0
Gemma 4 26B-A4B63tok/sUD-Q6_K73tok/sQ8_0
Qwen 3.5 35B-A3B121tok/sQ4_K_M126tok/sQ6_K
GLM 4.7 Flash63tok/sQ5_K_M58tok/sQ8_0
Devstral Small 2 24B20tok/sQ6_K21tok/sQ8_0
Nemotron 3.5 Lightning 30B-A3B109tok/sMXFP4112tok/sUD-Q5_K_M
gpt-oss 20B95tok/sMXFP4127tok/sMXFP4
Qwen3 Coder 30B-A3B85tok/sQ5_K_M102tok/sQ6_K
Kimi Linear 48B-A3Boffload172tok/sQ4_K_M
Qwen3 32B19tok/sQ4_K_M19tok/sQ6_K
Gemma 4 12B32tok/sQ8_042tok/sQ8_0
Qwen 3.5 9B42tok/sQ8_056tok/sQ8_0
Mistral Small 3.2 24B20tok/sQ6_K21tok/sQ8_0
DeepSeek R1 Distill Qwen 32B19tok/sQ4_K_M19tok/sQ6_K
Gemma 3 27B18tok/sQ6_K19tok/sQ8_0
Ministral 3 14B27tok/sQ8_035tok/sQ8_0
Qwen3 14B24tok/sQ8_033tok/sQ8_0
DeepSeek R1 0528 Qwen3 8B42tok/sQ8_056tok/sQ8_0
Qwen3 8B42tok/sQ8_056tok/sQ8_0
Phi-4 14B24tok/sQ8_032tok/sQ8_0
Qwen 3.5 4B87tok/sQ8_0116tok/sQ8_0
Ministral 3 8B41tok/sQ8_055tok/sQ8_0
Granite 4.2 8B39tok/sQ8_052tok/sQ8_0
Gemma 4 E4B49tok/sQ8_066tok/sQ8_0
LFM2.5 8B-A1B170tok/sQ8_0227tok/sQ8_0
Llama 3.1 8B54tok/sQ6_K72tok/sQ6_K
Qwen2.5 0.5B660tok/sQ8_0879tok/sQ8_0
Qwen3.5 0.8B447tok/sQ8_0596tok/sQ8_0
Qwen3.5 2B268tok/sQ5_K_M357tok/sQ5_K_M
DeepSeek R1 Distill Qwen 1.5B196tok/sQ8_0261tok/sQ8_0
MiniCPM5 2B137tok/sQ8_0183tok/sQ8_0
LFM2.5 2.6B123tok/sQ8_0164tok/sQ8_0
LFM2.5 VL 3B123tok/sQ8_0164tok/sQ8_0
Spark X2.5 4B123tok/smlx-4bit163tok/smlx-4bit
LFM2.5 24B A2B103tok/sQ6_K119tok/sQ8_0
granite vision 4.1 4b97tok/sQ8_0130tok/sQ8_0
Ministral 3 3B Instruct 251292tok/sQ8_0123tok/sQ8_0
granite 4.2 3b91tok/sQ8_0122tok/sQ8_0
Mellum2.1 12B A2.5B Thinking89tok/sQ8_0118tok/sQ8_0
FrogNano 4B 260984tok/sQ8_0112tok/sQ8_0
Kimi VL A3B Thinking 250674tok/sQ8_099tok/sQ8_0
Kimi VL A3B71tok/smlx-8bit95tok/smlx-8bit
DeepSeek R1 Distill Qwen 7B49tok/sQ8_065tok/sQ8_0
GLM 4 9B 041449tok/smlx-5bit65tok/smlx-5bit
DeepSeek R1 Distill Llama 8B43tok/sQ8_058tok/sQ8_0
Ministral 3 8B Reasoning 251241tok/sQ8_055tok/sQ8_0
GLM 4.6V Flash40tok/sQ8_054tok/sQ8_0
GLM 4.1V 9B Thinking34tok/smlx-8bit46tok/smlx-8bit
Ministral 3 14B Reasoning 251227tok/sQ8_035tok/sQ8_0
DeepSeek R1 Distill Qwen 14B24tok/sQ8_032tok/sQ8_0
Devstral Small 250723tok/sQ5_K_M21tok/sQ8_0
Magistral Small 250723tok/sQ5_K_M21tok/sQ8_0
Magistral Small 250923tok/sQ5_K_M21tok/sQ8_0
Magistral Small 250620tok/sQ6_K21tok/sQ8_0
Qwen3.8 27B OBLITERATED20tok/smlx-4bit26tok/smlx-4bit
granite 4.2 30b18tok/sQ5_K_M21tok/sQ6_K
Muse Glimmer 30B18tok/sQ6_K17tok/sQ8_0
Qwen 3.5 122B-A10Boffloadoffload
Qwen3 Coder Nextoffloadoffload
Nemotron 3 Super 120B-A12Bwon't runoffload
Mistral Small 4 119Boffloadoffload
GLM 4.5 Airoffloadoffload
Qwen3 Next 80B-A3Boffloadoffload
Llama 3.3 70Boffloadoffload
DeepSeek R1 Distill Llama 70Boffloadoffload
DeepSeek V4 Flashwon't runwon't run
GLM 5.3 Flashwon't runwon't run
Qwen 3.8 Flash Nextwon't runwon't run
MiniMax M2.7won't runwon't run
gpt-oss 120Bwon't runwon't run
DeepSeek R1won't runwon't run
DeepSeek R1 0528won't runwon't run
DeepSeek R1 Zerowon't runwon't run
DeepSeek V3won't runwon't run
DeepSeek V3 0324won't runwon't run
DeepSeek V3.1won't runwon't run
DeepSeek V3.1 Terminuswon't runwon't run
DeepSeek V3.2won't runwon't run
DeepSeek V4 Flash 0731won't runwon't run
DeepSeek V4 Flash Vision Expwon't runwon't run
Devstral 2 123B Instruct 2512won't runwon't run
GLM 4.5won't runwon't run
GLM 4.5Vwon't runwon't run
GLM 4.6won't runwon't run
GLM 4.6Vwon't runwon't run
GLM 4.7won't runwon't run
GLM 5won't runwon't run
GLM 5.1won't runwon't run
GLM 5.2won't runwon't run
GLM 5.3won't runwon't run
Kimi Dev 72Bwon't runwon't run
Kimi K2won't runwon't run
Kimi K2 Instruct 0905won't runwon't run
Kimi K2 Thinkingwon't runwon't run
Kimi K2.5won't runwon't run
MiniMax M2won't runwon't run
MiniMax M2.1won't runwon't run
MiniMax M2.5won't runwon't run
MiniMax M3won't runwon't run
Mistral Medium 3.5 128Bwon't runwon't run

Questions

Which is better for local AI, the NVIDIA RTX PRO 4000 Blackwell or the NVIDIA RTX PRO 4500 Blackwell?
Choose the NVIDIA RTX PRO 4500 Blackwell to run bigger models. Choose the NVIDIA RTX PRO 4500 Blackwell for speed. Choose the NVIDIA RTX PRO 4000 Blackwell to spend less.
Which can run bigger models, the NVIDIA RTX PRO 4000 Blackwell or the NVIDIA RTX PRO 4500 Blackwell?
At 8k context the NVIDIA RTX PRO 4500 Blackwell runs 61 of the models we track fully in memory and the NVIDIA RTX PRO 4000 Blackwell 60; only the NVIDIA RTX PRO 4500 Blackwell holds Kimi Linear 48B-A3B.
Which is faster for local AI, the NVIDIA RTX PRO 4000 Blackwell or the NVIDIA RTX PRO 4500 Blackwell?
On the models both run fully in memory, the NVIDIA RTX PRO 4500 Blackwell is about 1.3× 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 NVIDIA RTX PRO 4500 Blackwell?
In Canada the NVIDIA RTX PRO 4000 Blackwell costs $2,810 at Amazon and the NVIDIA RTX PRO 4500 Blackwell $8,900 at Amazon: the NVIDIA RTX PRO 4000 Blackwell is $6,090 cheaper.

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