NVIDIA DGX Spark 128GB vs Mac Studio M4 Max 128GB

For running models locally, priced in the US. At 8k context the first runs 42 models fully in memory, the second 41.

Specifications

SpecNVIDIA DGX Spark 128GBMac Studio M4 Max 128GB
ChipGB10 Grace BlackwellApple M4 Max (40-core GPU)
Memory bus256-bit512-bit
Memory bandwidth273 GB/s546 GB/s
FP16 compute62 TFLOPS16.16 TFLOPS
SoftwareCUDAMetal
Unified memory128 GB128 GB
GPU can use by default119 GB96 GB
GPU can use, tuned122 GB120 GB
Operating systemdgx-osmacos
Processor20-core Arm (GB10)M4 Max 16-core
Storage4000 GB1000 GB

What each runs

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

ModelNVIDIA DGX Spark 128GBMac Studio M4 Max 128GB
DeepSeek V4 Flash14tok/sUD-Q2_K_XL28tok/sUD-Q2_K_XL
GLM 5.3 Flash12tok/sUD-Q2_K_XLwon't run
Qwen 3.8 Flash Next3tok/sUD-Q4_K_XL7tok/sUD-Q3_K_XL
MiniMax M2.715tok/sUD-Q3_K_M37tok/sUD-Q2_K_XL
Qwen 3.8 27B6tok/sQ8_012tok/sQ8_0
Qwen 3.5 122B-A10B12tok/sQ6_K25tok/sQ6_K
Qwen 3.6 27B6tok/sQ8_012tok/sQ8_0
gpt-oss 120B30tok/sMXFP462tok/sMXFP4
Qwen3 Coder Next23tok/sQ8_048tok/sQ8_0
Nemotron 3 Super 120B-A12B9tok/sUD-Q6_K26tok/sUD-Q4_K_M
Gemma 4 31B5tok/sQ8_010tok/sQ8_0
Mistral Small 4 119B13tok/sQ8_035tok/sUD-Q6_K
Qwen 3.6 35B-A3B31tok/sQ8_064tok/sQ8_0
Qwen 3.5 27B6tok/sQ8_012tok/sQ8_0
Gemma 4 26B-A4B22tok/sQ8_047tok/sQ8_0
GLM 4.5 Air5tok/sQ8_013tok/sQ6_K
Qwen 3.5 35B-A3B31tok/sQ8_064tok/sQ8_0
Qwen3 Next 80B-A3B30tok/sQ8_063tok/sQ8_0
GLM 4.7 Flash18tok/sQ8_037tok/sQ8_0
Devstral Small 2 24B6tok/sQ8_013tok/sQ8_0
Nemotron 3.5 Lightning 30B-A3B30tok/sUD-Q6_K_XL62tok/sUD-Q6_K_XL
gpt-oss 20B39tok/sMXFP481tok/sMXFP4
Kimi Linear 48B-A3B31tok/sQ8_065tok/sQ8_0
Qwen3 Coder 30B-A3B25tok/sQ8_053tok/sQ8_0
Qwen3 32B5tok/sQ8_010tok/sQ8_0
Gemma 4 12B13tok/sQ8_027tok/sQ8_0
Qwen 3.5 9B17tok/sQ8_036tok/sQ8_0
Mistral Small 3.2 24B6tok/sQ8_013tok/sQ8_0
Gemma 3 27B6tok/sQ8_012tok/sQ8_0
DeepSeek R1 Distill Qwen 32B5tok/sQ8_010tok/sQ8_0
Llama 3.3 70B2tok/sQ8_05tok/sQ8_0
Ministral 3 14B11tok/sQ8_023tok/sQ8_0
Qwen3 14B10tok/sQ8_021tok/sQ8_0
DeepSeek R1 0528 Qwen3 8B17tok/sQ8_036tok/sQ8_0
Qwen3 8B17tok/sQ8_036tok/sQ8_0
Phi-4 14B10tok/sQ8_021tok/sQ8_0
Qwen 3.5 4B35tok/sQ8_074tok/sQ8_0
Ministral 3 8B17tok/sQ8_035tok/sQ8_0
Granite 4.2 8B16tok/sQ8_033tok/sQ8_0
Gemma 4 E4B20tok/sQ8_042tok/sQ8_0
LFM2.5 8B-A1B69tok/sQ8_0145tok/sQ8_0
Llama 3.1 8B22tok/sQ6_K46tok/sQ6_K