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Mac mini M4 32GB vs NVIDIA GeForce RTX 4080 Super

For running models locally, priced in the UK. At 128k context the first runs 7 models fully in memory, the second 5.

In short

The Mac mini M4 32GB has more memory for models: 32 GB against 16 GB. At 128k context the Mac mini M4 32GB runs 7 of the models we track fully in memory and the NVIDIA GeForce RTX 4080 Super 5; only the Mac mini M4 32GB holds Gemma 4 26B-A4B. On the models both run fully in memory, the NVIDIA GeForce RTX 4080 Super is about 5.9× 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 NVIDIA GeForce RTX 4080 Super £1,429 at Amazon: the Mac mini M4 32GB is £229 cheaper.

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

Mac mini M4 32GB

£1,200

eBay, used (asking)

Add to build
NVIDIA GeForce RTX 4080 Super

£1,429

Amazon

Add to build

Specifications

SpecMac mini M4 32GBNVIDIA GeForce RTX 4080 Super
ChipApple M4 (10-core GPU)–
Memory bus128-bit256-bit
Memory bandwidth120 GB/s736 GB/s
FP16 compute3.76 TFLOPS104 TFLOPS
SoftwareMetalCUDA
Unified memory32 GB–
GPU can use by default21.3 GB–
GPU can use, tuned24 GB–
Operating systemmacos–
ProcessorM4 10-core–
Storage512 GB–
GPU–GeForce RTX 4080 Super
Memory–16 GB GDDR6X
Board power–320 W
PCIe generation–Gen 4
PCIe lanes–x16

What each runs

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

ModelMac mini M4 32GBNVIDIA GeForce RTX 4080 Super
Gemma 4 26B-A4B9tok/sUD-Q4_K_Moffload
gpt-oss 20B8tok/sMXFP4offload
Gemma 4 12B5tok/sQ8_037tok/sQ6_K
Qwen 3.5 9B6tok/sQ8_033tok/sQ8_0
Qwen 3.5 4B9tok/sQ8_052tok/sQ8_0
Gemma 4 E4B7tok/sQ8_038tok/sQ8_0
LFM2.5 8B-A1B6tok/sQ8_038tok/sUD-Q6_K
Qwen 3.8 27Bwon't runoffload
Qwen 3.6 27Bwon't runoffload
Gemma 4 31Bwon't runoffload
Qwen 3.5 27Bwon't runoffload
Qwen 3.6 35B-A3Bwon't runoffload
Devstral Small 2 24Bwon't runoffload
GLM 4.7 Flashwon't runoffload
Qwen 3.5 35B-A3Bwon't runoffload
Nemotron 3.5 Lightning 30B-A3Bwon't runoffload
Kimi Linear 48B-A3Bwon't runoffload
Qwen3 Coder 30B-A3Bwon't runoffload
Gemma 3 27Bwon't runoffload
Mistral Small 3.2 24Bwon't runoffload
Ministral 3 14Bwon't runoffload
Qwen3 14Bwon't runoffload
DeepSeek R1 0528 Qwen3 8Bwon't runoffload
Phi-4 14Bwon't runoffload
Qwen3 8Bwon't runoffload
Granite 4.2 8Bwon't runoffload
Ministral 3 8Bwon't runoffload
Llama 3.1 8Bwon'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
Qwen 3.5 122B-A10Bwon't runwon't run
Nemotron 3 Super 120B-A12Bwon't runwon't run
Qwen3 Coder Nextwon't runwon't run
gpt-oss 120Bwon't runwon't run
Mistral Small 4 119Bwon't runwon't run
GLM 4.5 Airwon't runwon't run
Qwen3 Next 80B-A3Bwon't runwon't run
Qwen3 32Bwon't runwon't run
DeepSeek R1 Distill Qwen 32Bwon't runwon't run
Llama 3.3 70Bwon't runwon't run

Questions

Which is better for local AI, the Mac mini M4 32GB or the NVIDIA GeForce RTX 4080 Super?
Choose the Mac mini M4 32GB to run bigger models. Choose the NVIDIA GeForce RTX 4080 Super for speed. Choose the Mac mini M4 32GB to spend less.
Which can run bigger models, the Mac mini M4 32GB or the NVIDIA GeForce RTX 4080 Super?
At 128k context the Mac mini M4 32GB runs 7 of the models we track fully in memory and the NVIDIA GeForce RTX 4080 Super 5; only the Mac mini M4 32GB holds Gemma 4 26B-A4B.
Which is faster for local AI, the Mac mini M4 32GB or the NVIDIA GeForce RTX 4080 Super?
On the models both run fully in memory, the NVIDIA GeForce RTX 4080 Super is about 5.9× 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 NVIDIA GeForce RTX 4080 Super?
In the UK the Mac mini M4 32GB costs £1,200 at eBay (used) and the NVIDIA GeForce RTX 4080 Super £1,429 at Amazon: the Mac mini M4 32GB is £229 cheaper.

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