Advisor / Compare / AMD Ryzen AI Max+ 395 (Strix Halo) 128GB vs MacBook Pro 14/16 (2024) M4 Max 128GB

AMD Ryzen AI Max+ 395 (Strix Halo) 128GB vs MacBook Pro 14/16 (2024) M4 Max 128GB for local LLMs

Memory fit, speed and context compared with the same math as the advisor. AMD Ryzen AI Max+ 395 (Strix Halo) 128GB has 19.2 GB more usable memory (108.3 vs 89.1 GB) and higher bandwidth than the other (256 vs 546 GB/s).

13 vs 13models fit fully (of 13) at 16k
108 vs 89 GBusable memory
256 vs 546memory bandwidth, GB/s
x1.4MacBook Pro 14/16 (2024) M4 Max 128GB typical speed advantage

Verdict from the numbers

Where to check prices

Price tier note

We do not list prices because they move daily and differ between new and used stock. What the data does show is what the memory difference buys: AMD Ryzen AI Max+ 395 (Strix Halo) 128GB has 19.2 GB more usable memory, which moves 0 of 13 models into full-GPU fit. Use the Amazon links above to compare current listings and decide whether the difference is worth it for the models you want to run.

Model by model · 16k context, f16 KV cache

ModelAMD Ryzen AI Max+ 395 (Strix Halo) 128GB fittok/sMacBook Pro 14/16 (2024) M4 Max 128GB fittok/sFaster / fits
Gemma 4 26B-A4B Q8_0fits fully35 scaled from measuredfits fully50 estimatedMacBook Pro 14/16 (2024) M4 Max 128GB
Gemma 4 31B Q4_K_Mfits fully10 measuredfits fully14 estimatedMacBook Pro 14/16 (2024) M4 Max 128GB
Gemma 4 12B Q4_K_Mfits fully15 scaled from measuredfits fully20 scaled from measuredMacBook Pro 14/16 (2024) M4 Max 128GB
Qwen3.6 27B Q4_K_Mfits fully13 measuredfits fully15 estimatedMacBook Pro 14/16 (2024) M4 Max 128GB
Qwen3.6 35B-A3B Q8_0fits fully53 measuredfits fully66 estimatedMacBook Pro 14/16 (2024) M4 Max 128GB
Qwen3.5 9B Q5_K_Mfits fully16 scaled from measuredfits fully27 scaled from measuredMacBook Pro 14/16 (2024) M4 Max 128GB
Qwen3.5 4B Q8_0fits fully23 scaled from measuredfits fully57 scaled from measuredMacBook Pro 14/16 (2024) M4 Max 128GB
gpt-oss 20B Q8_0fits fully93 scaled from measuredfits fully97 estimatedMacBook Pro 14/16 (2024) M4 Max 128GB
gpt-oss 120B Q8_0fits fully44 scaled from measuredfits fully73 estimatedMacBook Pro 14/16 (2024) M4 Max 128GB
Qwen3-Coder 30B-A3B Q8_0fits fully55 scaled from measuredfits fully58 estimatedMacBook Pro 14/16 (2024) M4 Max 128GB
Mistral Small 3.2 24B Q4_K_Mfits fully14 scaled from measuredfits fully15 estimatedMacBook Pro 14/16 (2024) M4 Max 128GB
Qwen3-VL 8B Q6_Kfits fully16 scaled from measuredfits fully30 scaled from measuredMacBook Pro 14/16 (2024) M4 Max 128GB
GLM-4.5-Air Q6_Kfits fully16 scaled from measuredfits fully22 estimatedMacBook Pro 14/16 (2024) M4 Max 128GB

Badges: measured medians of real llama.cpp runs; scaled from measured and estimated come from our bandwidth model. See sources and methods.

How much context fits?

Largest context where weights plus KV cache stay inside usable memory, per model that fits fully on at least one side. q8_0 KV roughly halves the cache.

ModelAMD Ryzen AI Max+ 395 (Strix Halo) 128GB f16MacBook Pro 14/16 (2024) M4 Max 128GB f16AMD Ryzen AI Max+ 395 (Strix Halo) 128GB q8_0MacBook Pro 14/16 (2024) M4 Max 128GB q8_0
gpt-oss 120B128k128k128k128k
GLM-4.5-Air32k16k64k32k
Qwen3.6 35B-A3B1M1M1M1M
Gemma 4 31B256k256k256k256k
Qwen3-Coder 30B-A3B512k512k1M1M
Qwen3.6 27B1M1M1M1M
Gemma 4 26B-A4B256k256k256k256k
Mistral Small 3.2 24B128k128k128k128k
gpt-oss 20B128k128k128k128k
Gemma 4 12B256k256k256k256k
Qwen3.5 9B1M1M1M1M
Qwen3-VL 8B512k512k1M1M
Qwen3.5 4B1M1M1M1M

Spec summary

AMD Ryzen AI Max+ 395 (Strix Halo) 128GBMacBook Pro 14/16 (2024) M4 Max 128GB
Usable memory for model + KV cache108.3 GB89.1 GB
Memory bandwidth256 GB/s546 GB/s
Models that fit fully at 16k13 of 1313 of 13
Models that need offload or do not fit00
Measured data points on file264

FAQ

Which is faster for local LLMs, AMD Ryzen AI Max+ 395 (Strix Halo) 128GB or MacBook Pro 14/16 (2024) M4 Max 128GB?

On the 13 models that fit fully on both, MacBook Pro 14/16 (2024) M4 Max 128GB is typically 1.4x faster (geometric mean). AMD Ryzen AI Max+ 395 (Strix Halo) 128GB wins 0 and MacBook Pro 14/16 (2024) M4 Max 128GB wins 13. 0 comparisons are measured on both.

Which fits more models, AMD Ryzen AI Max+ 395 (Strix Halo) 128GB or MacBook Pro 14/16 (2024) M4 Max 128GB?

AMD Ryzen AI Max+ 395 (Strix Halo) 128GB fits 13 of 13 models fully at 16k context and MacBook Pro 14/16 (2024) M4 Max 128GB fits 13.

Can I run long context on AMD Ryzen AI Max+ 395 (Strix Halo) 128GB or MacBook Pro 14/16 (2024) M4 Max 128GB?

At f16 KV cache, the largest-model context limits are in the table above (for example gpt-oss 120B on AMD Ryzen AI Max+ 395 (Strix Halo) 128GB: 128k; gpt-oss 120B on MacBook Pro 14/16 (2024) M4 Max 128GB: 128k). A q8_0 KV cache extends it further.

Do you state prices for AMD Ryzen AI Max+ 395 (Strix Halo) 128GB or MacBook Pro 14/16 (2024) M4 Max 128GB?

No. Prices change daily, so we link to Amazon search results instead and focus on measured and estimated speed and memory fit.

Related

AMD Ryzen AI Max+ 395 (Strix Halo) 128GB · MacBook Pro 14/16 (2024) M4 Max 128GB · Measured model pages: gpt-oss 120B

More comparisons: AMD Ryzen AI Max+ 395 (Strix Halo) 128GB vs NVIDIA DGX Spark 128GB · MacBook Pro 14/16 (2024) M4 Max 128GB vs RTX 4090 24GB · MacBook Pro 14/16 M5 Max 128GB vs MacBook Pro 14/16 (2024) M4 Max 128GB · all comparisons

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