microsoft/Phi-3-medium-4k-instruct
14B params · est. 8.4 GB Q4
NVIDIA GeForce RTX 3090 24GB: likely fitNVIDIA GeForce RTX 4070 Ti 12GB: likely fit
Head-to-head
NVIDIA GeForce RTX 3090 24GB vs NVIDIA GeForce RTX 4070 Ti 12GB
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
NVIDIA GeForce RTX 3090 24GB
32B Q4 full-GPU at 35-45 tok/s — or dual 3090s for 70B Q4 at 25-35 tok/s with 48GB combined
Curated Aggregate·2025-05-0124GB / $999
Speed evidence
Matched rows below
VRAM
24 GB
TDP
350 W
Rating
Not scored
Device profile
NVIDIA GeForce RTX 4070 Ti 12GB
7-8B Q4 full-GPU at 65+ tok/s — excellent for coding agents on small models and image generation
Curated Aggregate·2025-08-0112GB / $799
Speed evidence
Matched rows below
VRAM
12 GB
TDP
285 W
Rating
Not scored
Quick verdict
Speed comparisons require matching runtime settings. A missing score means insufficient comparative evidence.
NVIDIA GeForce RTX 3090 24GB wins VRAM capacity.
NVIDIA GeForce RTX 4070 Ti 12GB has the lower published power rating.
| Metric | NVIDIA GeForce RTX 3090 24GB | NVIDIA GeForce RTX 4070 Ti 12GB |
|---|---|---|
| MyAI rating | Not scored | Not scored |
| Speed comparison | See matched rows below | See matched rows below |
| VRAM | 24 GB | 12 GB |
| TDP | 350 W | 285 W |
| MSRP | $999 | $799 |
| Workloads | 10 | 6 |
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
microsoft/Phi-3.5-mini-instruct
3.8B params · est. 2.3 GB Q4
NVIDIA GeForce RTX 3090 24GB: likely fitNVIDIA GeForce RTX 4070 Ti 12GB: likely fit
internlm/internlm2_5-7b-chat
7.7B params · est. 4.6 GB Q4
NVIDIA GeForce RTX 3090 24GB: likely fitNVIDIA GeForce RTX 4070 Ti 12GB: likely fit
microsoft/Phi-3-mini-4k-instruct
3.8B params · est. 2.3 GB Q4
NVIDIA GeForce RTX 3090 24GB: likely fitNVIDIA GeForce RTX 4070 Ti 12GB: likely fit