microsoft/Phi-3-medium-4k-instruct
14B params · est. 8.4 GB Q4
Apple M2 Ultra (76c GPU, 192GB): likely fitNVIDIA GeForce RTX 4090 24GB: likely fit
Head-to-head
Apple M2 Ultra (76c GPU, 192GB) vs NVIDIA GeForce RTX 4090 24GB
Compare recorded specifications and inspect source links for both devices. Speed comparisons appear only when workload, runtime version, quantization, context and batch match.
Device profile
Apple M2 Ultra (76c GPU, 192GB)
Compared here against NVIDIA GeForce RTX 4090 24GB.
Curated Aggregate·2024-10-04192GB / $7.0k
Speed evidence
Matched rows below
VRAM
192 GB
TDP
80 W
Rating
Not scored
Device profile
NVIDIA GeForce RTX 4090 24GB
32B-class Q4 full-GPU at 70+ tok/s — Qwen 3 32B, Qwen 2.5 Coder 32B, QwQ 32B all fit comfortably
Curated Aggregate·2026-05-2524GB / $1.6k
Speed evidence
Matched rows below
VRAM
24 GB
TDP
450 W
Rating
Not scored
Quick verdict
Speed comparisons require matching runtime settings. A missing score means insufficient comparative evidence.
Apple M2 Ultra (76c GPU, 192GB) wins VRAM capacity.
Apple M2 Ultra (76c GPU, 192GB) has the lower published power rating.
| Metric | Apple M2 Ultra (76c GPU, 192GB) | NVIDIA GeForce RTX 4090 24GB |
|---|---|---|
| MyAI rating | Not scored | Not scored |
| Speed comparison | See matched rows below | See matched rows below |
| VRAM | 192 GB | 24 GB |
| TDP | 80 W | 450 W |
| MSRP | $7.0k | $1.6k |
| Workloads | 3 | 12 |
Shared benchmark rows
No batch-one rows with matching model, quantization, context, runtime and offload notes are available. We cannot calculate a comparable speed difference.
External quality layer
Best open models likely to fit this class
This shortlist cross-references the external OpenEvals snapshot with an approximate Q4-class VRAM estimate. Use it to sanity-check whether the hardware you are comparing can host strong open models, not just benchmark toy workloads.
91.0
Qwen/Qwen2-72B
73B params · est. 43.6 GB Q4
Apple M2 Ultra (76c GPU, 192GB): likely fitNVIDIA GeForce RTX 4090 24GB: tight / no
microsoft/Phi-3.5-mini-instruct
3.8B params · est. 2.3 GB Q4
Apple M2 Ultra (76c GPU, 192GB): likely fitNVIDIA GeForce RTX 4090 24GB: likely fit
internlm/internlm2_5-7b-chat
7.7B params · est. 4.6 GB Q4
Apple M2 Ultra (76c GPU, 192GB): likely fitNVIDIA GeForce RTX 4090 24GB: likely fit