readygpu

Mac mini M4 32GB vs AMD Radeon AI PRO R9700

For running models locally, priced in the UK. At 8k context the first runs 26 models fully in memory, the second 29.

In short

Both have 32 GB of memory for models; the Mac mini M4 32GB has 120 GB/s of bandwidth and the AMD Radeon AI PRO R9700 640 GB/s. At 8k context the AMD Radeon AI PRO R9700 runs 29 of the models we track fully in memory and the Mac mini M4 32GB 26; only the AMD Radeon AI PRO R9700 holds Qwen 3.6 35B-A3B. On the models both run fully in memory, the AMD Radeon AI PRO R9700 is about 4.5× as fast as the Mac mini M4 32GB (estimated, median across models). In the UK the Mac mini M4 32GB costs £1,200 at eBay (used) and the AMD Radeon AI PRO R9700 £1,674 at eBay: the Mac mini M4 32GB is £474 cheaper.

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

Mac mini M4 32GB

£1,200

eBay, used (asking)

Add to build
AMD Radeon AI PRO R9700

£1,674

eBay

Add to build

Specifications

SpecMac mini M4 32GBAMD Radeon AI PRO R9700
ChipApple M4 (10-core GPU)–
Memory bus128-bit256-bit
Memory bandwidth120 GB/s640 GB/s
FP16 compute3.76 TFLOPS191 TFLOPS
SoftwareMetalROCm
Unified memory32 GB–
GPU can use by default21.3 GB–
GPU can use, tuned24 GB–
Operating systemmacos–
ProcessorM4 10-core–
Storage512 GB–
GPU–Radeon AI PRO R9700
Memory–32 GB GDDR6
Board power–300 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 mini M4 32GBAMD Radeon AI PRO R9700
Qwen 3.8 27B4tok/sUD-Q5_K_M12tok/sQ8_0
Qwen 3.6 27B4tok/sQ5_K_M12tok/sQ8_0
Gemma 4 31B4tok/sQ4_K_M13tok/sQ6_K
Qwen 3.5 27B4tok/sQ5_K_M12tok/sQ8_0
Qwen 3.6 35B-A3Bwon't run79tok/sUD-Q6_K
Gemma 4 26B-A4B13tok/sUD-Q5_K_M47tok/sQ8_0
GLM 4.7 Flash12tok/sQ5_K_M37tok/sQ8_0
Devstral Small 2 24B4tok/sQ6_K13tok/sQ8_0
Qwen 3.5 35B-A3Bwon't run80tok/sQ6_K
Qwen3 Coder 30B-A3B18tok/sQ4_K_M65tok/sQ6_K
gpt-oss 20B18tok/sMXFP480tok/sMXFP4
Kimi Linear 48B-A3Bwon't run109tok/sQ4_K_M
Qwen3 32B4tok/sQ4_K_M12tok/sQ6_K
Gemma 4 12B6tok/sQ8_027tok/sQ8_0
Qwen 3.5 9B8tok/sQ8_036tok/sQ8_0
Gemma 3 27B4tok/sQ5_K_M12tok/sQ8_0
Mistral Small 3.2 24B4tok/sQ6_K13tok/sQ8_0
DeepSeek R1 Distill Qwen 32B4tok/sQ4_K_M12tok/sQ6_K
Ministral 3 14B5tok/sQ8_022tok/sQ8_0
Qwen3 14B5tok/sQ8_021tok/sQ8_0
DeepSeek R1 0528 Qwen3 8B8tok/sQ8_036tok/sQ8_0
Qwen3 8B8tok/sQ8_036tok/sQ8_0
Phi-4 14B5tok/sQ8_020tok/sQ8_0
Qwen 3.5 4B16tok/sQ8_073tok/sQ8_0
Ministral 3 8B8tok/sQ8_035tok/sQ8_0
Granite 4.2 8B7tok/sQ8_033tok/sQ8_0
Gemma 4 E4B9tok/sQ8_042tok/sQ8_0
LFM2.5 8B-A1B32tok/sQ8_0144tok/sQ8_0
Llama 3.1 8B10tok/sQ6_K46tok/sQ6_K
Qwen 3.5 122B-A10Bwon't runoffload
Nemotron 3 Super 120B-A12Bwon't runoffload
Qwen3 Coder Nextwon't runoffload
Mistral Small 4 119Bwon't runoffload
GLM 4.5 Airwon't runoffload
Qwen3 Next 80B-A3Bwon't runoffload
Nemotron 3.5 Lightning 30B-A3Bwon't runoffload
Llama 3.3 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

Questions

Which is better for local AI, the Mac mini M4 32GB or the AMD Radeon AI PRO R9700?
Choose the AMD Radeon AI PRO R9700 to run bigger models. Choose the AMD Radeon AI PRO R9700 for speed. Choose the Mac mini M4 32GB to spend less.
Which can run bigger models, the Mac mini M4 32GB or the AMD Radeon AI PRO R9700?
At 8k context the AMD Radeon AI PRO R9700 runs 29 of the models we track fully in memory and the Mac mini M4 32GB 26; only the AMD Radeon AI PRO R9700 holds Qwen 3.6 35B-A3B.
Which is faster for local AI, the Mac mini M4 32GB or the AMD Radeon AI PRO R9700?
On the models both run fully in memory, the AMD Radeon AI PRO R9700 is about 4.5× as fast as the Mac mini M4 32GB (estimated, median across models).
What is the price difference between the Mac mini M4 32GB and the AMD Radeon AI PRO R9700?
In the UK the Mac mini M4 32GB costs £1,200 at eBay (used) and the AMD Radeon AI PRO R9700 £1,674 at eBay: the Mac mini M4 32GB is £474 cheaper.

More comparisons