readygpu

NVIDIA GeForce RTX 4090 vs NVIDIA RTX PRO 4500 Blackwell

For running models locally, priced in the US. At 32k context the first runs 57 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 32k context the NVIDIA RTX PRO 4500 Blackwell runs 61 of the models we track fully in memory and the NVIDIA GeForce RTX 4090 57; only the NVIDIA RTX PRO 4500 Blackwell holds Kimi Linear 48B-A3B. On the models both run fully in memory, the NVIDIA GeForce RTX 4090 is about 1.1× as fast as the NVIDIA RTX PRO 4500 Blackwell (estimated, median across models).

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

NVIDIA GeForce RTX 4090

$2,073

eBay

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NVIDIA RTX PRO 4500 Blackwell

Not priced here

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Specifications

SpecNVIDIA GeForce RTX 4090NVIDIA RTX PRO 4500 Blackwell
GPUGeForce RTX 4090RTX PRO 4500 Blackwell
Memory24 GB GDDR6X32 GB GDDR7
Memory bus384-bit256-bit
Memory bandwidth1,008 GB/s896 GB/s
FP16 compute165 TFLOPS54.94 TFLOPS
SoftwareCUDACUDA
Board power450 W200 W
PCIe generationGen 4Gen 5
PCIe lanesx16x16

What each runs

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

ModelNVIDIA GeForce RTX 4090NVIDIA RTX PRO 4500 Blackwell
Qwen 3.8 27B27tok/sQ5_K_M18tok/sQ8_0
Qwen 3.6 27B29tok/sQ5_K_M18tok/sQ8_0
Gemma 4 31B29tok/sQ4_K_M19tok/sQ6_K
Qwen 3.6 35B-A3B145tok/sQ4_K_M101tok/sQ6_K
Qwen 3.5 27B29tok/sQ5_K_M18tok/sQ8_0
Gemma 4 26B-A4B84tok/sUD-Q6_K66tok/sQ8_0
Qwen 3.5 35B-A3B146tok/sQ4_K_M106tok/sQ6_K
GLM 4.7 Flash70tok/sQ5_K_M57tok/sQ6_K
Devstral Small 2 24B28tok/sQ5_K_M18tok/sQ8_0
Nemotron 3.5 Lightning 30B-A3B153tok/sMXFP4107tok/sUD-Q5_K_M
gpt-oss 20B116tok/sMXFP4103tok/sMXFP4
Qwen3 Coder 30B-A3B74tok/sQ4_K_M59tok/sQ6_K
Kimi Linear 48B-A3Boffload156tok/sQ4_K_M
Qwen3 32Boffload18tok/sQ5_K_M
Gemma 4 12B46tok/sQ8_041tok/sQ8_0
Qwen 3.5 9B59tok/sQ8_052tok/sQ8_0
Mistral Small 3.2 24B28tok/sQ5_K_M18tok/sQ8_0
Gemma 3 27B28tok/sQ5_K_M18tok/sQ8_0
DeepSeek R1 Distill Qwen 32Boffload17tok/sQ5_K_M
Ministral 3 14B32tok/sQ8_028tok/sQ8_0
Qwen3 14B30tok/sQ8_026tok/sQ8_0
DeepSeek R1 0528 Qwen3 8B46tok/sQ8_041tok/sQ8_0
Qwen3 8B46tok/sQ8_041tok/sQ8_0
Phi-4 14B28tok/sQ8_025tok/sQ8_0
Qwen 3.5 4B112tok/sQ8_099tok/sQ8_0
Ministral 3 8B46tok/sQ8_041tok/sQ8_0
Granite 4.2 8B43tok/sQ8_038tok/sQ8_0
Gemma 4 E4B68tok/sQ8_061tok/sQ8_0
LFM2.5 8B-A1B140tok/sQ8_0125tok/sQ8_0
Llama 3.1 8B57tok/sQ6_K51tok/sQ6_K
Qwen2.5 0.5B669tok/sQ8_0595tok/sQ8_0
Qwen3.5 0.8B507tok/sQ8_0450tok/sQ8_0
Qwen3.5 2B337tok/sQ5_K_M299tok/sQ5_K_M
DeepSeek R1 Distill Qwen 1.5B221tok/sQ8_0196tok/sQ8_0
MiniCPM5 2B153tok/sQ8_0136tok/sQ8_0
Spark X2.5 4B145tok/smlx-4bit129tok/smlx-4bit
LFM2.5 2.6B128tok/sQ8_0114tok/sQ8_0
LFM2.5 VL 3B128tok/sQ8_0114tok/sQ8_0
Mellum2.1 12B A2.5B Thinking118tok/sQ8_0105tok/sQ8_0
FrogNano 4B 2609109tok/sQ8_097tok/sQ8_0
granite vision 4.1 4b99tok/sQ8_088tok/sQ8_0
granite 4.2 3b95tok/sQ8_085tok/sQ8_0
Kimi VL A3B Thinking 250691tok/sQ8_081tok/sQ8_0
Kimi VL A3B88tok/smlx-8bit78tok/smlx-8bit
Ministral 3 3B Instruct 251288tok/sQ8_078tok/sQ8_0
LFM2.5 24B A2B84tok/sQ6_K69tok/sQ8_0
GLM 4 9B 041465tok/smlx-5bit58tok/smlx-5bit
DeepSeek R1 Distill Qwen 7B63tok/sQ8_056tok/sQ8_0
GLM 4.6V Flash55tok/sQ8_049tok/sQ8_0
DeepSeek R1 Distill Llama 8B49tok/sQ8_043tok/sQ8_0
GLM 4.1V 9B Thinking48tok/smlx-8bit42tok/smlx-8bit
Ministral 3 8B Reasoning 251246tok/sQ8_041tok/sQ8_0
Ministral 3 14B Reasoning 251232tok/sQ8_028tok/sQ8_0
DeepSeek R1 Distill Qwen 14B28tok/sQ8_025tok/sQ8_0
Devstral Small 250728tok/sQ5_K_M18tok/sQ8_0
Magistral Small 250628tok/sQ5_K_M18tok/sQ8_0
Magistral Small 250728tok/sQ5_K_M18tok/sQ8_0
Magistral Small 250928tok/sQ5_K_M18tok/sQ8_0
Qwen3.8 27B OBLITERATED27tok/smlx-4bit24tok/smlx-4bit
Muse Glimmer 30B26tok/sQ6_K23tok/sQ6_K
granite 4.2 30boffload19tok/sQ5_K_M
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 70Bwon't runoffload
DeepSeek R1 Distill Llama 70Bwon't runoffload
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 GeForce RTX 4090 or the NVIDIA RTX PRO 4500 Blackwell?
Choose the NVIDIA RTX PRO 4500 Blackwell to run bigger models. Choose the NVIDIA GeForce RTX 4090 for speed.
Which can run bigger models, the NVIDIA GeForce RTX 4090 or the NVIDIA RTX PRO 4500 Blackwell?
At 32k context the NVIDIA RTX PRO 4500 Blackwell runs 61 of the models we track fully in memory and the NVIDIA GeForce RTX 4090 57; only the NVIDIA RTX PRO 4500 Blackwell holds Kimi Linear 48B-A3B.
Which is faster for local AI, the NVIDIA GeForce RTX 4090 or the NVIDIA RTX PRO 4500 Blackwell?
On the models both run fully in memory, the NVIDIA GeForce RTX 4090 is about 1.1× as fast as the NVIDIA RTX PRO 4500 Blackwell (estimated, median across models).

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