readygpu

Mac Studio M3 Ultra 96GB vs NVIDIA RTX PRO 4500 Blackwell

For running models locally, priced in the US. At 8k context the first runs 73 models fully in memory, the second 61.

In short

The Mac Studio M3 Ultra 96GB has more memory for models: 96 GB against 32 GB. At 8k context the Mac Studio M3 Ultra 96GB runs 73 of the models we track fully in memory and the NVIDIA RTX PRO 4500 Blackwell 61; only the Mac Studio M3 Ultra 96GB holds Qwen 3.5 122B-A10B. On the models both run fully in memory, the Mac Studio M3 Ultra 96GB and the NVIDIA RTX PRO 4500 Blackwell are about as fast as each other (estimated). In the US the Mac Studio M3 Ultra 96GB costs $4,550 at eBay and the NVIDIA RTX PRO 4500 Blackwell $4,650 at eBay: the Mac Studio M3 Ultra 96GB is $100 cheaper.

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

Mac Studio M3 Ultra 96GB

$4,550

eBay

Add to build
NVIDIA RTX PRO 4500 Blackwell

$4,650

eBay

Add to build

Specifications

SpecMac Studio M3 Ultra 96GBNVIDIA RTX PRO 4500 Blackwell
ChipApple M3 Ultra (80-core GPU)–
Memory bus1024-bit256-bit
Memory bandwidth819 GB/s896 GB/s
FP16 compute28 TFLOPS54.94 TFLOPS
SoftwareMetalCUDA
Unified memory96 GB–
GPU can use by default72 GB–
GPU can use, tuned88 GB–
Operating systemmacos–
ProcessorM3 Ultra 32-core–
Storage1000 GB–
GPU–RTX PRO 4500 Blackwell
Memory–32 GB GDDR7
Board power–200 W
PCIe generation–Gen 5
PCIe lanes–x16

What each runs

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

ModelMac Studio M3 Ultra 96GBNVIDIA RTX PRO 4500 Blackwell
Qwen 3.8 27B18tok/sQ8_019tok/sQ8_0
Qwen 3.5 122B-A10B66tok/sQ3_K_Moffload
Qwen 3.6 27B18tok/sQ8_019tok/sQ8_0
gpt-oss 120B93tok/sMXFP4won't run
Qwen3 Coder Next92tok/sQ6_Koffload
Nemotron 3 Super 120B-A12B51tok/sUD-Q3_K_Moffload
Gemma 4 31B16tok/sQ8_021tok/sQ6_K
Mistral Small 4 119B70tok/sUD-Q4_K_Moffload
Qwen 3.6 35B-A3B97tok/sQ8_0119tok/sQ6_K
Qwen 3.5 27B18tok/sQ8_019tok/sQ8_0
Gemma 4 26B-A4B70tok/sQ8_073tok/sQ8_0
GLM 4.5 Air30tok/sQ4_K_Moffload
Qwen3 Next 80B-A3B119tok/sQ6_Koffload
Qwen 3.5 35B-A3B97tok/sQ8_0126tok/sQ6_K
GLM 4.7 Flash56tok/sQ8_058tok/sQ8_0
Devstral Small 2 24B20tok/sQ8_021tok/sQ8_0
Nemotron 3.5 Lightning 30B-A3B93tok/sUD-Q6_K_XL112tok/sUD-Q5_K_M
gpt-oss 20B121tok/sMXFP4127tok/sMXFP4
Kimi Linear 48B-A3B97tok/sQ8_0172tok/sQ4_K_M
Qwen3 Coder 30B-A3B80tok/sQ8_0102tok/sQ6_K
Qwen3 32B14tok/sQ8_019tok/sQ6_K
Gemma 4 12B41tok/sQ8_042tok/sQ8_0
Qwen 3.5 9B54tok/sQ8_056tok/sQ8_0
Mistral Small 3.2 24B20tok/sQ8_021tok/sQ8_0
Gemma 3 27B18tok/sQ8_019tok/sQ8_0
DeepSeek R1 Distill Qwen 32B14tok/sQ8_019tok/sQ6_K
Llama 3.3 70B10tok/sQ5_K_Moffload
Ministral 3 14B34tok/sQ8_035tok/sQ8_0
Qwen3 14B31tok/sQ8_033tok/sQ8_0
DeepSeek R1 0528 Qwen3 8B54tok/sQ8_056tok/sQ8_0
Qwen3 8B54tok/sQ8_056tok/sQ8_0
Phi-4 14B31tok/sQ8_032tok/sQ8_0
Qwen 3.5 4B111tok/sQ8_0116tok/sQ8_0
Ministral 3 8B52tok/sQ8_055tok/sQ8_0
Granite 4.2 8B50tok/sQ8_052tok/sQ8_0
Gemma 4 E4B63tok/sQ8_066tok/sQ8_0
LFM2.5 8B-A1B218tok/sQ8_0227tok/sQ8_0
Llama 3.1 8B69tok/sQ6_K72tok/sQ6_K
Qwen2.5 0.5B843tok/sQ8_0879tok/sQ8_0
Qwen3.5 0.8B572tok/sQ8_0596tok/sQ8_0
Qwen3.5 2B342tok/sQ5_K_M357tok/sQ5_K_M
DeepSeek R1 Distill Qwen 1.5B250tok/sQ8_0261tok/sQ8_0
MiniCPM5 2B176tok/sQ8_0183tok/sQ8_0
LFM2.5 2.6B158tok/sQ8_0164tok/sQ8_0
LFM2.5 VL 3B158tok/sQ8_0164tok/sQ8_0
Spark X2.5 4B157tok/smlx-4bit163tok/smlx-4bit
granite vision 4.1 4b124tok/sQ8_0130tok/sQ8_0
Ministral 3 3B Instruct 2512118tok/sQ8_0123tok/sQ8_0
granite 4.2 3b117tok/sQ8_0122tok/sQ8_0
LFM2.5 24B A2B114tok/sQ8_0119tok/sQ8_0
Mellum2.1 12B A2.5B Thinking113tok/sQ8_0118tok/sQ8_0
FrogNano 4B 2609108tok/sQ8_0112tok/sQ8_0
Kimi VL A3B Thinking 250695tok/sQ8_099tok/sQ8_0
Kimi VL A3B91tok/smlx-8bit95tok/smlx-8bit
DeepSeek R1 Distill Qwen 7B62tok/sQ8_065tok/sQ8_0
GLM 4 9B 041462tok/smlx-5bit65tok/smlx-5bit
DeepSeek R1 Distill Llama 8B55tok/sQ8_058tok/sQ8_0
Ministral 3 8B Reasoning 251252tok/sQ8_055tok/sQ8_0
GLM 4.6V Flash52tok/sQ8_054tok/sQ8_0
GLM 4.1V 9B Thinking44tok/smlx-8bit46tok/smlx-8bit
Ministral 3 14B Reasoning 251234tok/sQ8_035tok/sQ8_0
GLM 4.5V32tok/sQ4_K_Mwon't run
DeepSeek R1 Distill Qwen 14B31tok/sQ8_032tok/sQ8_0
GLM 4.6V29tok/sQ4_K_Mwon't run
Qwen3.8 27B OBLITERATED25tok/smlx-4bit26tok/smlx-4bit
Devstral Small 250720tok/sQ8_021tok/sQ8_0
Magistral Small 250620tok/sQ8_021tok/sQ8_0
Magistral Small 250720tok/sQ8_021tok/sQ8_0
Magistral Small 250920tok/sQ8_021tok/sQ8_0
Muse Glimmer 30B16tok/sQ8_017tok/sQ8_0
granite 4.2 30b16tok/sQ8_021tok/sQ6_K
DeepSeek R1 Distill Llama 70B10tok/sQ5_K_Moffload
Kimi Dev 72B8tok/sQ6_Kwon't run
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
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 4.6won'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 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 Mac Studio M3 Ultra 96GB or the NVIDIA RTX PRO 4500 Blackwell?
Choose the Mac Studio M3 Ultra 96GB to run bigger models. Choose the Mac Studio M3 Ultra 96GB to spend less.
Which can run bigger models, the Mac Studio M3 Ultra 96GB or the NVIDIA RTX PRO 4500 Blackwell?
At 8k context the Mac Studio M3 Ultra 96GB runs 73 of the models we track fully in memory and the NVIDIA RTX PRO 4500 Blackwell 61; only the Mac Studio M3 Ultra 96GB holds Qwen 3.5 122B-A10B.
Which is faster for local AI, the Mac Studio M3 Ultra 96GB or the NVIDIA RTX PRO 4500 Blackwell?
On the models both run fully in memory, the Mac Studio M3 Ultra 96GB and the NVIDIA RTX PRO 4500 Blackwell are about as fast as each other (estimated).
What is the price difference between the Mac Studio M3 Ultra 96GB and the NVIDIA RTX PRO 4500 Blackwell?
In the US the Mac Studio M3 Ultra 96GB costs $4,550 at eBay and the NVIDIA RTX PRO 4500 Blackwell $4,650 at eBay: the Mac Studio M3 Ultra 96GB is $100 cheaper.

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