microsoft/Phi-3-medium-4k-instruct
14B params · est. 8.4 GB Q4
NVIDIA GeForce RTX 5070 12GB: likely fitNVIDIA GeForce RTX 4070 12GB: likely fit
Head-to-head
NVIDIA GeForce RTX 5070 12GB vs NVIDIA GeForce RTX 4070 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 5070 12GB
Compared here against NVIDIA GeForce RTX 4070 12GB.
Curated Aggregate·2026-03-2012GB / $549
Speed evidence
Matched rows below
VRAM
12 GB
TDP
250 W
Rating
Not scored
Device profile
NVIDIA GeForce RTX 4070 12GB
Compared here against NVIDIA GeForce RTX 5070 12GB.
Curated Aggregate·2025-08-0412GB / $549
Speed evidence
Matched rows below
VRAM
12 GB
TDP
200 W
Rating
Not scored
Quick verdict
Speed comparisons require matching runtime settings. A missing score means insufficient comparative evidence.
VRAM capacity is tied.
NVIDIA GeForce RTX 4070 12GB has the lower published power rating.
| Metric | NVIDIA GeForce RTX 5070 12GB | NVIDIA GeForce RTX 4070 12GB |
|---|---|---|
| MyAI rating | Not scored | Not scored |
| Speed comparison | See matched rows below | See matched rows below |
| VRAM | 12 GB | 12 GB |
| TDP | 250 W | 200 W |
| MSRP | $549 | $549 |
| Workloads | 6 | 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 5070 12GB: likely fitNVIDIA GeForce RTX 4070 12GB: likely fit
internlm/internlm2_5-7b-chat
7.7B params · est. 4.6 GB Q4
NVIDIA GeForce RTX 5070 12GB: likely fitNVIDIA GeForce RTX 4070 12GB: likely fit
microsoft/Phi-3-mini-4k-instruct
3.8B params · est. 2.3 GB Q4
NVIDIA GeForce RTX 5070 12GB: likely fitNVIDIA GeForce RTX 4070 12GB: likely fit