gpus/apple/m3-ultra-512gb

M3 Ultra 512GB

Name: M3 Ultra 512GB
Brand: Apple
Price: 9499 USD
Availability: InStock

Released 2025-03-12 · Street $9,499

vram

512 GB

unified mem

bandwidth

800

GB/s

models fit

top · FP16

power

120 W

low

▸Spec sheet · top pick

Hardware spec

M3 Ultra 512GB

Apple · Apple Silicon · M3

★ Sweet spot for this card

gemma 3 27b

FP16 · GGUF · 57.2 GB

bench50.6 · conf A

vram57.2 / 512 GB

speed14 tok/s

Best benchmark per GB of VRAM in your tier. FP16wastes <3% quality vs FP16, leaves headroom for 32k context.

#	model	quant	vram	tok/s	bench ↓	fit
01	gemma 3 27b	FP16	57.2 GB	14	50.6	Great
02	Qwen2.5 Coder 32B	FP16	67.7 GB	12	48.8	Great
03	DeepSeek R1	Q5_K_M	440.8 GB	2	66.8	Ok
04	Llama 4 Maverick 17B 128E	Q8_0	420.5 GB	2	59.3	Great
05	DeepSeek V3	Q5_K_M	440.8 GB	2	61.3	Ok
06	Gemma 2 27B	FP16	57.2 GB	14	46.2	Great
07	Qwen3 32B	FP16	67.7 GB	12	40.0	Great
08	Gemma 2 9B	FP16	19.4 GB	41	35.0	Great
09	Gemma 3 12B	FP16	25.7 GB	31	31.3	Great
10	deepseek r1 distill llama 70b	FP16	147.5 GB	5	51.7	Great

Showing 10 of 22 models that fit · see full ranked list →

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